diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-29 13:21:17 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-29 13:21:17 +0000 |
| commit | 3133a5c971f77531aa33887c1d180d5bfdde0c33 (patch) | |
| tree | 1a2fa6a49314eec17a888841a6f7cb9caad2aab4 /configure.ac | |
| parent | 5723d9fd347f4a3e309cfbae93979ae70577aa28 (diff) | |
configure.ac
* configure.ac: renamed configure.in. [Feature #13946]
* Makefile.in, common.mk, ext/rbconfig/sizeof/depend: use
configure.ac.
* README.ja.md, README.md: update document for configure.ac.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60062 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4725 |
1 files changed, 4725 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000000..9f1011dccb --- /dev/null +++ b/configure.ac @@ -0,0 +1,4725 @@ +dnl Process this file with autoconf to produce a configure script. +AC_INIT() +{ +AC_CONFIG_AUX_DIR(tool) + +AC_PREREQ(2.67) + +AC_DEFUN([RUBY_PREREQ_AC], + [m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [$1]), [-1], + AC_MSG_ERROR([Autoconf version ]$1[ or higher is required]$2))]) + +AC_DISABLE_OPTION_CHECKING + +AC_ARG_VAR([cflags], [additional CFLAGS]) +AC_ARG_VAR([cppflags], [additional CPPFLAGS]) +AC_ARG_VAR([cxxflags], [additional CXXFLAGS]) + +AC_DEFUN([RUBY_RM_RECURSIVE], [ +m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [2.70]), [-1], [ +# suppress error messages, rm: cannot remove 'conftest.dSYM', from +# AC_EGREP_CPP with CFLAGS=-g on Darwin. +# +# TODO: remove this hack when AC_PREREQ() becomes 2.70 or later. +AS_CASE([$build_os], [darwin*], [ +rm() { + rm_recursive='' + for arg do + AS_CASE("$arg", + [--*], [], + [-*r*], [break], + [conftest.*], [AS_IF([test -d "$arg"], [rm_recursive=-r; break])], + []) + done + command rm $rm_recursive "[$]@" +} +])])]) + +{ # environment section + +HAVE_BASERUBY=yes +AC_ARG_WITH(baseruby, + AS_HELP_STRING([--with-baseruby=RUBY], [use RUBY as baseruby; RUBY is the pathname of ruby]), + [AS_CASE(["$withval"], + [*ruby*],[BASERUBY=$withval], + [no],[HAVE_BASERUBY=no], + [AC_MSG_ERROR(need ruby)]) + ], + [ + AC_PATH_PROG([BASERUBY], [ruby], [false]) + ]) +AS_IF([test "$HAVE_BASERUBY" = yes -a "`RUBYOPT=- $BASERUBY -e 'print 42' 2>/dev/null`" = 42], [ + AS_IF([test "`RUBYOPT=- $BASERUBY --disable=gems -e 'print 42' 2>/dev/null`" = 42], [ + BASERUBY="$BASERUBY --disable=gems" + ]) + $BASERUBY -C "$srcdir" tool/downloader.rb -d tool -e gnu config.guess config.sub +], [ + BASERUBY="echo executable host ruby is required. use --with-baseruby option.; false" + HAVE_BASERUBY=no +]) +AC_SUBST(BASERUBY) +AC_SUBST(HAVE_BASERUBY) + +: ${GIT=git} +HAVE_GIT=yes +AC_ARG_WITH(git, + AS_HELP_STRING([--without-git], [never use git]), + [AS_CASE([$withval], + [no], [GIT=never-use HAVE_GIT=no], + [yes], [], + [GIT=$withval])]) +AS_IF([test x"$HAVE_GIT" = xyes], [command -v "$GIT" > /dev/null || HAVE_GIT=no]) +AC_SUBST(GIT) +AC_SUBST(HAVE_GIT) + +AC_DEFUN([RUBY_MINGW32], +[AS_CASE(["$host_os"], +[cygwin*], [ +AC_CACHE_CHECK(for mingw32 environment, rb_cv_mingw32, +[AC_TRY_CPP([ +#ifndef __MINGW32__ +# error +#endif +], rb_cv_mingw32=yes,rb_cv_mingw32=no) +rm -f conftest*]) +AS_IF([test "$rb_cv_mingw32" = yes], [ + target_os="mingw32" + : ${ac_tool_prefix:="`expr "$CC" : ['\(.*-\)g\?cc[^/]*$']`"} +]) +]) +AS_CASE(["$target_os"], [mingw*msvc], [ +target_os="`echo ${target_os} | sed 's/msvc$//'`" +]) +AS_CASE(["$target_cpu-$target_os"], [x86_64-mingw*], [ +target_cpu=x64 +]) +]) + +AC_DEFUN([RUBY_NACL], +[ + AS_CASE(["${host_os}"], +[nacl], [ + ac_cv_exeext=.nexe + host_vendor=chromium + ac_cv_host=chromium + AC_MSG_CHECKING([wheather \$NACL_SDK_ROOT is set]) + AS_IF([test x"${NACL_SDK_ROOT}" = x], [ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([You need to set \$NACL_SDK_ROOT environment variable to build for NativeClient]) + ]) + AC_MSG_RESULT([yes]) + + nacl_cv_build_variant=glibc + AC_ARG_WITH(newlib, + AS_HELP_STRING([--with-newlib], [uses newlib version of NativeClient SDK]), + [AS_CASE([$withval], + [no], [nacl_cv_build_variant=glibc], + [yes], [nacl_cv_build_variant=newlib])]) + + AS_CASE(["$target_cpu"], + [x86_64], [nacl_cv_cpu_nick=x86 + nacl_cv_cpu_nick2=x86_64], + [i?86], [nacl_cv_cpu_nick=x86 + nacl_cv_cpu_nick2=x86_32], + [le32], [nacl_cv_cpu_nick=pnacl + nacl_cv_cpu_nick2=pnacl + ac_cv_exeext=.pexe], + [nacl_cv_cpu_nick=$target_cpu]) + AS_CASE(["$build_os"], + [linux*], [nacl_cv_os_nick=linux], + [darwin*], [nacl_cv_os_nick=mac], + [cygwin*|mingw*], [nacl_cv_os_nick=win], + [nacl_cv_os_nick=$build_os]) + + host="$host_cpu-chromium-$host_os-" + ac_tool_prefix="$host_cpu-nacl-" + + AC_MSG_CHECKING([NativeClient toolchain]) + AS_IF([test x"$nacl_cv_cpu_nick" = xpnacl], [ + NACL_TOOLCHAIN="${nacl_cv_os_nick}_pnacl" + ac_tool_prefix=pnacl- + ], [test -d \ + "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_${nacl_cv_build_variant}"], [ + NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_${nacl_cv_build_variant}" + ], [test -d \ + "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_x86_${nacl_cv_cpu_nick}/${nacl_cv_build_variant}"], [ + NACL_TOOLCHAIN="${nacl_cv_os_nick}_x86_${nacl_cv_cpu_nick}/${nacl_cv_build_variant}" + ], [ + AS_CASE( + ["${nacl_cv_build_variant}"], + [glibc], [AS_IF([test \ + -d "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_newlib" \ + -a -d "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}"], [ + NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}" + ])], + [newlib], [ NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}" ]) + ]) + AS_IF([test ! -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/${ac_tool_prefix}gcc"], [ + AS_IF([test "${build_cpu}" = i686 -a -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/nacl-gcc"], [ + ac_tool_prefix=nacl- + ]) + AS_IF([test "${build_cpu}" = x86_64 -a -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/nacl-gcc"], [ + ac_tool_prefix=nacl64- + ]) + ]) + AS_IF([test -z "${NACL_TOOLCHAIN}"], [ + AC_MSG_ERROR([Unrecognized --host and --build combination or NaCl SDK is not installed]) + ]) + AC_MSG_RESULT(${NACL_TOOLCHAIN}) + + AC_MSG_CHECKING([path to SDK]) + AS_IF([! echo -- "${PATH}" | grep -F "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin" > /dev/null], [ + PATH="${PATH}:${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin" + ]) + AC_MSG_RESULT(${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin) + + RUBY_APPEND_OPTIONS(XCFLAGS, '-I$(NACL_SDK_ROOT)/include') + AS_IF([test x"${nacl_cv_cpu_nick}" = xpnacl], [ + RUBY_APPEND_OPTIONS(XCFLAGS, '-isystem $(NACL_SDK_ROOT)/include/pnacl') + ], [test x"${nacl_cv_build_variant}" = xnewlib], [ + RUBY_APPEND_OPTIONS(XCFLAGS, '-isystem $(NACL_SDK_ROOT)/include/newlib') + ]) + + AC_MSG_CHECKING([nacl library path]) + AS_IF([test -d "${NACL_SDK_ROOT}/lib/${nacl_cv_build_variant}_${nacl_cv_cpu_nick2}/Release"], [ + nacl_cv_libpath="${nacl_cv_build_variant}_${nacl_cv_cpu_nick2}" + ], [test -d "${NACL_SDK_ROOT}/lib/${nacl_cv_cpu_nick2}/Release"], [ + nacl_cv_libpath="${nacl_cv_cpu_nick2}" + ], [ + AC_MSG_ERROR([not found]) + ]) + AC_MSG_RESULT([${nacl_cv_libpath}]) + RUBY_APPEND_OPTIONS(XLDFLAGS, '-L$(NACL_SDK_ROOT)/'"lib/${nacl_cv_libpath}/Release") + + AC_SUBST(NACL_TOOLCHAIN) + AC_SUBST(NACL_SDK_ROOT) + AC_SUBST(NACL_SDK_VARIANT, "${nacl_cv_build_variant}") + AC_SUBST(NACL_LIB_PATH, "${nacl_cv_libpath}") + AC_CHECK_TOOLS(CC, [clang gcc]) + AC_CHECK_TOOLS(CXX, [clang++ g++]) +])]) + +AC_DEFUN([RUBY_NACL_CHECK_PEPPER_TYPES], +[AS_CASE(["${host_os}"], +[nacl], [ + AC_CHECK_TYPES([struct PPB_Core, struct PPB_Messaging, struct PPB_Var, + struct PPB_URLLoader, struct PPB_URLRequestInfo, + struct PPB_URLResponseInfo, struct PPB_FileRef, + struct PPP_Instance]) +]) +]) + +AC_DEFUN([RUBY_CPPOUTFILE], +[AC_CACHE_CHECK(whether ${CPP} accepts -o, rb_cv_cppoutfile, +[save_CPPFLAGS="$CPPFLAGS" +CPPFLAGS='-o conftest-1.i' +rb_cv_cppoutfile=no +AC_TRY_CPP([test-for-cppout], + [grep test-for-cppout conftest-1.i > /dev/null && rb_cv_cppoutfile=yes]) +CPPFLAGS="$save_CPPFLAGS" +rm -f conftest*]) +AS_IF([test "$rb_cv_cppoutfile" = yes], [ + CPPOUTFILE='-o conftest.i' +], [test "$rb_cv_cppoutfile" = no], [ + CPPOUTFILE='> conftest.i' +], [test -n "$rb_cv_cppoutfile"], [ + CPPOUTFILE="$rb_cv_cppoutfile" +]) +AC_SUBST(CPPOUTFILE)]) + +AC_DEFUN([RUBY_PROG_GNU_LD], +[AC_CACHE_CHECK(whether the linker is GNU ld, rb_cv_prog_gnu_ld, +[AS_IF([`$CC $CFLAGS $CPPFLAGS $LDFLAGS --print-prog-name=ld 2>&1` -v 2>&1 | grep "GNU ld" > /dev/null], [ + rb_cv_prog_gnu_ld=yes +], [ + rb_cv_prog_gnu_ld=no +])]) +GNU_LD=$rb_cv_prog_gnu_ld +AC_SUBST(GNU_LD)]) + +eval `sed -n ['s/^@%:@define RUBY_API_VERSION_\([A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)/API_\1=\2/p'] $srcdir/include/ruby/version.h` +RUBY_PROGRAM_VERSION=`sed -n 's/^@%:@define RUBY_VERSION "\(.*\)"/\1/p' $srcdir/version.h` +MAJOR=`echo $RUBY_PROGRAM_VERSION | cut -d. -f1` +MINOR=`echo $RUBY_PROGRAM_VERSION | cut -d. -f2` +TEENY=`echo $RUBY_PROGRAM_VERSION | cut -d. -f3` +for v in MAJOR MINOR TEENY; do + AS_IF([eval "test \"\$$v\" = ''"], [ + AC_MSG_ERROR(could not determine $v number from version.h) + ]) +done +AS_IF([test "$MAJOR.$MINOR" != "$API_MAJOR.$API_MINOR"], [ + AC_MSG_ERROR([API version $API_MAJOR.$API_MINOR differs from program version $MAJOR.$MINOR]) +]) +AC_SUBST(MAJOR) +AC_SUBST(MINOR) +AC_SUBST(TEENY) +AC_SUBST(RUBY_PROGRAM_VERSION) +AC_SUBST(RUBY_API_VERSION, '$(MAJOR).$(MINOR)') +RUBY_PATCHLEVEL=`sed -n 's/^#define RUBY_PATCHLEVEL //p' $srcdir/version.h` +AC_DEFINE(CANONICALIZATION_FOR_MATHN) +dnl checks for alternative programs +AC_CANONICAL_BUILD +RUBY_RM_RECURSIVE +AC_ARG_WITH(gcc, + AS_HELP_STRING([--without-gcc], [never use gcc]), + [ + AS_CASE([$withval], + [no], [: ${CC=cc}], + [yes], [: ${CC=gcc}], + [CC=$withval])]) +dnl If the user switches compilers, we can't believe the cache +AS_IF([test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"], [ + AC_MSG_ERROR(cached CC is different -- throw away $cache_file +(it is also a good idea to do 'make clean' before compiling)) +]) +test -z "$CC" || ac_cv_prog_CC="$CC" + +AS_IF([test "$program_prefix" = NONE], [ + program_prefix= +]) +AS_IF([test "$prefix" -ef .], [ + AC_MSG_ERROR(--prefix cannot be the current working directory.) +]) +RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"` +RUBYW_BASE_NAME=`echo rubyw | sed "$program_transform_name"` +AC_SUBST(RUBY_BASE_NAME) +AC_SUBST(RUBYW_BASE_NAME) +AC_SUBST(RUBY_VERSION_NAME, '${RUBY_BASE_NAME}-${ruby_version}') + +AC_CANONICAL_TARGET +test x"$target_alias" = x && +target_os=`echo $target_os | sed 's/linux-gnu$/linux/;s/linux-gnu/linux-/'` +ac_install_sh='' # unusable for extension libraries. + +AC_ARG_WITH(os-version-style, + AS_HELP_STRING([--with-os-version-style=TYPE], + [OS version number for target and target_os [[full]]] + [(full|teeny|minor+0|minor|major+0|major|none)]), + [os_version_style=$withval], + [os_version_style=full + AS_CASE($target_os, [[*[0-9].*]], + [AS_CASE([`/usr/bin/ruby -e 'puts RUBY_PLATFORM' 2>/dev/null`], + [[*-*[0-9].*.0]], [os_version_style=minor+0], + [[*-*[0-9].*.*]], [os_version_style=full], + [[*-*[0-9].0] ], [os_version_style=major+0], + [[*-*[0-9].*] ], [os_version_style=minor], + [[*-*[0-9]] ], [os_version_style=major], + )]) + ]) +os_version_style_transform= +AS_CASE("${os_version_style}", + [full|teeny], [], + [minor+0], [os_version_style_transform=['s/\([0-9]\.[0-9][0-9]*\)\.[0-9][.0-9]*$/\1.0/']], + [minor], [os_version_style_transform=['s/\([0-9]\.[0-9][0-9]*\)\.[0-9][.0-9]*$/\1/']], + [major+0], [os_version_style_transform=['s/\([0-9]\)\.[0-9][.0-9]*$/\1.0/']], + [major], [os_version_style_transform=['s/\([0-9]\)\.[0-9][.0-9]*$/\1/']], + [none], [os_version_style_transform=['s/[0-9]\.[0-9][.0-9]*$//']], + [AC_MSG_ERROR(unknown --with-os-version-style: $withval)]) +AS_IF([test -z "$target_alias" -a -n "$os_version_style_transform"], + [ + target=`echo ${target} | sed "$os_version_style_transform"` + target_os=`echo ${target_os} | sed "$os_version_style_transform"` + ]) + +AC_DEFUN([RUBY_APPEND_OPTION], + [# RUBY_APPEND_OPTION($1) + AS_CASE([" [$]{$1-} "], + [*" $2 "*], [], [' '], [ $1="$2"], [ $1="[$]$1 $2"])]) +AC_DEFUN([RUBY_APPEND_OPTIONS], + [# RUBY_APPEND_OPTIONS($1) + for rb_opt in $2; do + AS_CASE([" [$]{$1-} "], + [*" [$]{rb_opt} "*], [], [' '], [ $1="[$]{rb_opt}"], [ $1="[$]$1 [$]{rb_opt}"]) + done]) +AC_DEFUN([RUBY_PREPEND_OPTION], + [# RUBY_PREPEND_OPTION($1) + AS_CASE([" [$]{$1-} "], + [*" $2 "*], [], [' '], [ $1="$2"], [ $1="$2 [$]$1"])]) +AC_DEFUN([RUBY_PREPEND_OPTIONS], + [# RUBY_PREPEND_OPTIONS($1) + unset rb_opts; for rb_opt in $2; do + AS_CASE([" [$]{rb_opts} [$]{$1-} "], + [*" [$]{rb_opt} "*], [], [' '], [ $1="[$]{rb_opt}"], [ rb_opts="[$]{rb_opts}[$]{rb_opt} "]) + done + $1="[$]{rb_opts}[$]$1"]) + +AC_ARG_WITH(arch, + AS_HELP_STRING([--with-arch=ARCHS], + [build an Apple/NeXT Multi Architecture Binary (MAB); + ARCHS is a comma-delimited list of architectures for + which to build; if this option is disabled or omitted + entirely, then the package will be built only for the + target platform]), + [target_archs="$withval"], [unset target_archs]) + +AC_DEFUN([RUBY_DEFAULT_ARCH], [ +AC_MSG_CHECKING([arch option]) +AS_CASE([$1], + [*64], [ARCH_FLAG=-m64], + [[i[3-6]86]], [ARCH_FLAG=-m32], + [AC_MSG_ERROR(unknown target architecture: $target_archs)] + ) +AC_MSG_RESULT([$ARCH_FLAG]) +]) + +AC_DEFUN([RUBY_UNIVERSAL_ARCH], [ +# RUBY_UNIVERSAL_ARCH begin +ARCH_FLAG=`expr " $CXXFLAGS " : ['.* \(-m[0-9][0-9]*\) ']` +test ${CXXFLAGS+set} && CXXFLAGS=`echo "$CXXFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']` +ARCH_FLAG=`expr " $CFLAGS " : ['.* \(-m[0-9][0-9]*\) ']` +test ${CFLAGS+set} && CFLAGS=`echo "$CFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']` +test ${LDFLAGS+set} && LDFLAGS=`echo "$LDFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']` +unset universal_binary universal_archnames +AS_IF([test ${target_archs+set}], [ + AC_MSG_CHECKING([target architectures]) + target_archs=`echo $target_archs | tr , ' '` + # /usr/lib/arch_tool -archify_list $TARGET_ARCHS + for archs in $target_archs + do + AS_CASE([",$universal_binary,"],[*",$archs,"*], [],[ + cpu=`$SHELL "$ac_aux_dir/config.sub" "${archs}-${target_os}" 2>&1` || { + AC_MSG_RESULT([failed]) + AC_MSG_ERROR([$cpu]) + } + cpu=`echo $cpu | sed 's/-.*-.*//'` + universal_binary="${universal_binary+$universal_binary,}$cpu" + universal_archnames="${universal_archnames} ${archs}=${cpu}" + ARCH_FLAG="${ARCH_FLAG+$ARCH_FLAG }-arch $archs" + ]) + done + target_archs="$universal_binary" + unset universal_binary + AS_CASE(["$target_archs"], + [*,*], [universal_binary=yes], + [unset universal_archnames]) + AC_MSG_RESULT([$target_archs]) + + target=`echo $target | sed "s/^$target_cpu-/-/"` + target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"` + AS_IF([test "${universal_binary-no}" = yes], [ + AC_SUBST(try_header,try_compile) + target_cpu=universal + real_cross_compiling=$cross_compiling + ], [ + AS_IF([test x"$target_cpu" != x"${target_archs}"], [ + echo 'int main(){return 0;}' > conftest.c + AS_IF([$CC $CFLAGS $ARCH_FLAG -o conftest conftest.c > /dev/null 2>&1], [ + rm -fr conftest.* + ], [ + RUBY_DEFAULT_ARCH("$target_archs") + ]) + ]) + target_cpu=${target_archs} + ]) + AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"]) + AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"]) +], [ + AS_IF([test x"$target_alias" = x], [ + AS_CASE(["$target_os"], + [darwin*], [ + AC_MSG_CHECKING([for real target cpu]) + target=`echo $target | sed "s/^$target_cpu-/-/"` + target_cpu=`$CC -E - 2>/dev/null <<EOF | +#ifdef __x86_64__ +"processor-name=x86_64" +#endif +#ifdef __i386__ +"processor-name=i386" +#endif +#ifdef __ppc__ +"processor-name=powerpc" +#endif +#ifdef __ppc64__ +"processor-name=powerpc64" +#endif +EOF + sed -n 's/^"processor-name=\(.*\)"/\1/p'` + target="$target_cpu${target}" + AC_MSG_RESULT([$target_cpu]) + ]) + ]) + target_archs="$target_cpu" +]) +AS_IF([test "${target_archs}" != "${rb_cv_target_archs-${target_archs}}"], [ + AC_MSG_ERROR([target arch(s) has changed from ${rb_cv_target_archs-nothing} to ${target_archs}]) +], [ + rb_cv_target_archs=${target_archs} +]) +AS_IF([test "x${ARCH_FLAG}" != x], [ + CFLAGS="${CFLAGS:+$CFLAGS }${ARCH_FLAG}" + LDFLAGS="${LDFLAGS:+$LDFLAGS }${ARCH_FLAG}" +]) +# RUBY_UNIVERSAL_ARCH end +]) + +AC_ARG_ENABLE(load-relative, + AS_HELP_STRING([--enable-load-relative], [resolve load paths at run time]), + [load_relative=$enableval]) + +AC_ARG_PROGRAM + +dnl Checks for programs. + +cflagspat= +test -z "$optflags" || + cflagspat="$cflagspat;s|"`eval echo '"'"${optflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g' +test -z "$debugflags" || + cflagspat="$cflagspat;s|"`eval echo '"'"${debugflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g' +test -z "warnflags" || + cflagspat="$cflagspat;s|"`eval echo '"'"${warnflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g' +AS_IF([test -z "${CFLAGS+set}"], [ + cflags=`echo " $cflags " | sed "$cflagspat;s/^ *//;s/ *$//"` + orig_cflags="$cflags" + cflags="$cflags "'${optflags} ${debugflags} ${warnflags}' +]) +AS_IF([test -z "${CXXFLAGS+set}"], [ + cxxflags=`echo " $cxxflags " | sed "$cflagspat;s/^ *//;s/ *$//"` + orig_cxxflags="$cxxflags" + cxxflags="$cxxflags "'${optflags} ${debugflags} ${warnflags}' +]) + +RUBY_NACL +AS_CASE(["$host_os:$build_os"], +[darwin*:darwin*], [ + AC_CHECK_TOOLS(CC, [clang gcc cc]) + # Following Apple deployed clang are broken + # clang version 1.0 (http://llvm.org/svn/llvm-project/cfe/tags/Apple/clang-23 exported) + # Apple clang version 2.0 (tags/Apple/clang-137) (based on LLVM 2.9svn) + # Apple clang version 2.1 (tags/Apple/clang-163.7.1) (based on LLVM 3.0svn) + AS_IF([! $CC -E -xc - <<SRC >/dev/null], [ + @%:@if defined __APPLE_CC__ && defined __clang_major__ && __clang_major__ < 3 + @%:@error premature clang + @%:@endif +SRC + AC_MSG_ERROR([clang version 3.0 or later is required]) + ]) +]) +AS_IF([test x"${build}" != x"${host}"], [ + AC_CHECK_TOOL(CC, gcc) +]) + +AC_PROG_CC + +dnl Select the appropriate C++ compiler in OS X +AS_CASE(["$build_os"], + [darwin1*.*], [ + AS_CASE(["x$CC"], + [xgcc-4.2|x/usr/bin/gcc-4.2], [: ${CXX=g++-4.2}], + [xgcc|x/usr/bin/gcc], [: ${CXX=g++}], + [xcc|x/usr/bin/cc], [: ${CXX=c++}], + [xicc], [: ${CXX=icpc}], + [xclang|x/usr/bin/clang], [: ${CXX=clang++}]) + ]) +test -z "$CXX" || ac_cv_prog_CXX="$CXX" + +AC_PROG_CXX +RUBY_MINGW32 +AC_PROG_GCC_TRADITIONAL +AC_SUBST(GCC) +AS_CASE(["$target_os"], +[solaris*], [AC_PATH_TOOL([LD], [ld], [/usr/ccs/bin/ld], [/usr/ccs/bin:$PATH])], +[AC_CHECK_TOOL([LD], [ld], [ld])]) +AC_SUBST(LD) +AS_IF([test "$GCC" = yes], [ + linker_flag=-Wl, + : ${optflags=-O3} + gcc_major=`echo =__GNUC__ | $CC -E -xc - | sed '/^=/!d;s///'` + gcc_minor=`echo =__GNUC_MINOR__ | $CC -E -xc - | sed '/^=/!d;s///'` + test -n "$gcc_major" || gcc_major=0 + test -n "$gcc_minor" || gcc_minor=0 + # RUBY_APPEND_OPTIONS(XCFLAGS, ["-include ruby/config.h" "-include ruby/missing.h"]) +], [ + linker_flag= +]) + +RUBY_PROG_GNU_LD +RUBY_CPPOUTFILE + +: ${OUTFLAG='-o '} +: ${COUTFLAG=${OUTFLAG}} +: ${CSRCFLAG=''} +AC_SUBST(OUTFLAG) +AC_SUBST(COUTFLAG) +AC_SUBST(CSRCFLAG) + +cc_version= +for option in --version -v -V -qversion; do + cc_version_message=`$CC $option 2>&1` + cc_version_status=$? + AS_CASE($cc_version_status, [0], [:], [continue]) + AS_CASE($cc_version_message, [*Warning*], [continue]) + cc_version='$(CC) '$option + break +done +AC_SUBST(CC_VERSION, $cc_version) +AC_SUBST(CC_VERSION_MESSAGE, $cc_version_message) + +RUBY_UNIVERSAL_ARCH +AS_IF([test "$target_cpu" != "$host_cpu" -a "$GCC" = yes -a "$cross_compiling" = no -a "$universal_binary" = no], [ + RUBY_DEFAULT_ARCH("$target_cpu") +]) + +AS_CASE(["$target_cpu-$target_os"], [[i[3-6]86*]], [ + AC_CACHE_CHECK([for __sync_val_compare_and_swap], [rb_cv_gcc_compiler_cas], [ + AC_TRY_LINK([unsigned long atomic_var;], + [ + __sync_val_compare_and_swap(&atomic_var, 0, 1); + ], + [rb_cv_gcc_compiler_cas=yes], + [rb_cv_gcc_compiler_cas=no])]) + AS_IF([test "$rb_cv_gcc_compiler_cas" = no], [ + unset rb_cv_gcc_compiler_cas + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -march=i486" + AC_CACHE_CHECK([for __sync_val_compare_and_swap with -march=i486], [rb_cv_gcc_compiler_cas], [ + AC_TRY_LINK([unsigned long atomic_var;], + [ + __sync_val_compare_and_swap(&atomic_var, 0, 1); + ], + [rb_cv_gcc_compiler_cas=yes + ARCH_FLAG="-march=i486"], + [rb_cv_gcc_compiler_cas=no])]) + CFLAGS="$save_CFLAGS" + ])]) + +AS_CASE(["$target_os"], [darwin*], [ +if libtool 2>&1 | grep no_warning_for_no_symbols > /dev/null; then + ac_cv_prog_ac_ct_RANLIB=: + ac_cv_prog_ac_ct_AR='libtool -static' + rb_cv_arflags='-no_warning_for_no_symbols -o' +fi +]) +AC_CHECK_TOOL(RANLIB, ranlib, :) +AC_CHECK_TOOL(AR, ar) +AS_IF([test -z "$AR"], [ + AC_CHECK_PROGS(AR, aal, ar) +]) +AC_CACHE_CHECK([for $AR flags], [rb_cv_arflags], [ + AS_IF([$AR rcD conftest.a > /dev/null 2>&1 && rm conftest.a], + [rb_cv_arflags=rcD], [rb_cv_arflags=rcu]) +]) +AC_SUBST(ARFLAGS, ["$rb_cv_arflags "]) + +AC_CHECK_TOOL(AS, as) +ASFLAGS=$ASFLAGS +AC_SUBST(ASFLAGS) + +AS_CASE(["$target_os"],[cygwin*|mingw*], [ac_cv_prog_ac_ct_OBJCOPY=":"]) + +# BSD's ports and MacPorts prefix GNU binutils with 'g' +AC_CHECK_TOOLS(OBJDUMP, [objdump gobjdump]) +AC_CHECK_TOOLS(OBJCOPY, [objcopy gobjcopy]) + +AS_CASE(["$target_os"], +[cygwin*|mingw*], [ + AC_CHECK_TOOL(WINDRES, windres) + AC_CHECK_TOOL(DLLWRAP, dllwrap) + target=`echo $target | sed "s/^$target_cpu-/-/"` + target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"` + target_cpu=`echo $target_cpu | sed s/i.86/i386/` + AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"]) + AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"]) + AS_CASE(["$target_os"], + [mingw*], [ + test "$rb_cv_msvcrt" = "" && unset rb_cv_msvcrt + AC_CACHE_CHECK(for mingw32 runtime DLL, rb_cv_msvcrt, [ + AC_TRY_LINK([@%:@include <stdio.h>], + [FILE* volatile f = stdin; return 0;], + [rb_cv_msvcrt=`$OBJDUMP -p conftest$ac_exeext | + tr A-Z a-z | + sed -n '/^[[ ]]*dll name: \(msvc.*\)\.dll$/{s//\1/p;q;}'`], + [rb_cv_msvcrt=msvcrt]) + test "$rb_cv_msvcrt" = "" && rb_cv_msvcrt=msvcrt]) + RT_VER=`echo "$rb_cv_msvcrt" | tr -cd [0-9]` + test "$RT_VER" = "" && RT_VER=60 + AC_DEFINE_UNQUOTED(RUBY_MSVCRT_VERSION, $RT_VER) + ]) + : ${enable_shared=yes} + ], +[aix*], [AC_CHECK_TOOL(NM, nm, /usr/ccs/bin/nm, /usr/ccs/bin:$PATH)], +[hiuxmpp*], [AC_DEFINE(__HIUX_MPP__)]) # by TOYODA Eizi <toyoda@npd.kishou.go.jp> +AC_CHECK_TOOL(NM, nm) + +AC_PROG_LN_S +AC_PROG_MAKE_SET +AC_PROG_INSTALL +AC_PROG_MKDIR_P +AS_IF([test "x$MKDIR_P" = "x -d"], [ + AS_IF([test x"$as_mkdir_p" != xfalse], [ + MKDIR_P='mkdir -p' + echo "use 'mkdir -p' as MKDIR_P" + ], [ + AC_MSG_ERROR([mkdir -p is required]) + ]) +]) +MAKEDIRS="$MKDIR_P" +AC_SUBST(MAKEDIRS) + +AC_DEFUN([RUBY_DTRACE_AVAILABLE], +[AC_CACHE_CHECK(whether dtrace USDT is available, rb_cv_dtrace_available, +[ + echo "provider conftest{ probe fire(); };" > conftest_provider.d + rb_cv_dtrace_available=no + AS_FOR(opt, rb_dtrace_opt, ["-xnolibs" ""], [dnl + AS_IF([$DTRACE opt -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null], + [], [continue]) + AC_TRY_COMPILE([@%:@include "conftest_provider.h"], [CONFTEST_FIRE();], + [], [continue]) + # DTrace is available on the system + rb_cv_dtrace_available=yes${rb_dtrace_opt:+"(opt)"} + break + ]) + rm -f conftest.[co] conftest_provider.[dho] +]) +AS_CASE(["$rb_cv_dtrace_available"], ["yes("*")"], + [DTRACE_OPT=`expr "$rb_cv_dtrace_available" : "yes(\(.*\))"`]) +]) + +AC_DEFUN([RUBY_DTRACE_POSTPROCESS], +[AC_CACHE_CHECK(whether $DTRACE needs post processing, rb_cv_prog_dtrace_g, +[ + rb_cv_prog_dtrace_g=no + AS_IF([{ + cat >conftest_provider.d <<_PROBES && + provider conftest { + probe fire(); + }; +_PROBES + $DTRACE ${DTRACE_OPT} -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null && + : + }], [ + AC_TRY_COMPILE([@%:@include "conftest_provider.h"], [CONFTEST_FIRE();], [ + AS_IF([{ + cp -p conftest.${ac_objext} conftest.${ac_objext}.save && + $DTRACE ${DTRACE_OPT} -G -s conftest_provider.d conftest.${ac_objext} 2>/dev/null && + : + }], [ + AS_IF([cmp -s conftest.o conftest.${ac_objext}.save], [ + rb_cv_prog_dtrace_g=yes + ], [ + rb_cv_prog_dtrace_g=rebuild + ]) + ])]) + ]) + rm -f conftest.[co] conftest_provider.[dho] +]) +]) + +AC_CHECK_PROG([DTRACE], [${ac_tool_prefix}dtrace], [${ac_tool_prefix}dtrace]) +AS_IF([test "$cross_compiling:$ac_cv_prog_DTRACE" = no: -a -n "$ac_tool_prefix"], [ + AC_CHECK_PROG([DTRACE], [dtrace], [dtrace]) +]) + +AC_CHECK_PROGS(DOT, dot) +AC_CHECK_PROGS(DOXYGEN, doxygen) +AS_CASE(["${host_os}"], [nacl], [AC_PATH_PROG(PYTHON, python)]) + +AC_CHECK_PROG(PKG_CONFIG, pkg-config, [pkg-config], [], [], + [`"$as_dir/$ac_word$ac_exec_ext" --print-errors --version > /dev/null 2>&1 || echo "$as_dir/$ac_word$ac_exec_ext"`]) + +# checks for UNIX variants that set C preprocessor variables +AC_USE_SYSTEM_EXTENSIONS + +AC_SUBST(RM, ['rm -f']) +AC_SUBST(CP, ['cp']) +RMDIRS='$(top_srcdir)/tool/rmdirs' +RMDIR=rmdir +mkdir "rmdirs_$$_test" "rmdirs_$$_test/a" +rmdir --ignore-fail-on-non-empty "rmdirs_$$_test" 2>/dev/null && +RMDIR='rmdir --ignore-fail-on-non-empty' +$RMDIR -p "rmdirs_$$_test/a" 2>/dev/null && +{ test -d "rmdirs_$$_test" || RMDIRS="$RMDIR -p"; } +rmdir "rmdirs_$$_test/a" "rmdirs_$$_test" 2>/dev/null +AC_SUBST(RMDIR) +AC_SUBST(RMDIRS) +AC_SUBST(RMALL, ['rm -fr']) + +AC_MSG_CHECKING([for cd using physical directory]) +rm -fr conf$$.dir +mkdir conf$$.dir && +(cd conf$$.dir && mkdir src build && cd src && +$as_ln_s ../build . > /dev/null 2>&1 && cd build && +for chdir in 'cd -P' 'PWD= cd'; do + /bin/sh -c "$chdir ../src && echo '$chdir' > cdcmd" 2> /dev/null && break +done) +AS_IF([test -f conf$$.dir/src/cdcmd], [ + read CHDIR < conf$$.dir/src/cdcmd 2> /dev/null +], [ + CHDIR=cd +]) +rm -fr conf$$.dir +AC_MSG_RESULT([$CHDIR]) +AC_SUBST(CHDIR) + +} +{ # compiler section + +AC_DEFUN([RUBY_WERROR_FLAG], [dnl +save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS $rb_cv_warnflags" +AS_IF([test "${ac_c_werror_flag+set}"], [ + rb_c_werror_flag="$ac_c_werror_flag" +], [ + unset rb_c_werror_flag +]) +ac_c_werror_flag=yes +$1 +CFLAGS="$save_CFLAGS" +save_CFLAGS= +AS_IF([test "${rb_c_werror_flag+set}"], [ + ac_c_werror_flag="$rb_c_werror_flag" +], [ + unset ac_c_werror_flag +])]) + +RUBY_WERROR_FLAG([ + AC_MSG_CHECKING([whether CFLAGS is valid]) + AC_TRY_COMPILE([], [], + [AC_MSG_RESULT(yes)], + [ + AC_MSG_RESULT(no) + AC_MSG_ERROR([something wrong with CFLAGS="$CFLAGS"]) + ] + ) + AC_MSG_CHECKING([whether LDFLAGS is valid]) + { + mkdir tmp.$$.try_link && + cd tmp.$$.try_link && + cp ../confdefs.h . && + echo '<?xml?><plist><dict><key>CFBundleIdentifier</key><string></string></dict></plist>' > Info.plist && + : + } || AC_MSG_ERROR([failed to make temporary directory]) + AC_TRY_LINK([], [], + [AC_MSG_RESULT(yes)], + [ + cd .. && rm -fr tmp.$$.try_link + AC_MSG_RESULT(no) + AC_MSG_ERROR([something wrong with LDFLAGS="$LDFLAGS"]) + ] + ) + cd .. && rm -fr tmp.$$.try_link +]) + +AC_DEFUN([RUBY_TRY_CFLAGS], [ + AC_MSG_CHECKING([whether ]$1[ is accepted as CFLAGS]) + RUBY_WERROR_FLAG([ + CFLAGS="[$]CFLAGS $1" + AC_TRY_COMPILE([$4], [$5], + [$2 + AC_MSG_RESULT(yes)], + [$3 + AC_MSG_RESULT(no)]) + ]) +]) + +AC_DEFUN([RUBY_TRY_LDFLAGS], [ + save_LDFLAGS="$LDFLAGS" + LDFLAGS="[$]LDFLAGS $1" + AC_MSG_CHECKING([whether $1 is accepted as LDFLAGS]) + RUBY_WERROR_FLAG([ + AC_TRY_LINK([$4], [$5], + [$2 + AC_MSG_RESULT(yes)], + [$3 + AC_MSG_RESULT(no)]) + ]) + LDFLAGS="$save_LDFLAGS" + save_LDFLAGS= +]) + +: ${DLDFLAGS="$LDFLAGS"} +: ${RPATHFLAG=''} +rpathflag='' +AS_IF([test x"${RPATHFLAG}" = x], [ + AS_CASE(["$target_os"], + [hpux*], [AS_IF([test "$rb_cv_prog_gnu_ld" = no], [rpathflag='+b '])], + [aix*], [rpathflag='-blibpath:'], + [for rpathflag in -R "-rpath "; do + AS_CASE("$rpathflag", + [*" "], [AS_CASE(["${linker_flag}"], + [*,], [rpathflag=`echo "$rpathflag" | tr ' ' ,`])]) + rpathflag="${linker_flag}${rpathflag}" + RUBY_TRY_LDFLAGS([${rpathflag}.], [], [rpathflag=]) + AS_IF([test "x${rpathflag}" != x], []) + done]) +], [ + rpathflag=`echo "$RPATHFLAG" | sed 's/%.*//'` +]) + +AS_CASE([$RUBY_PATCHLEVEL], [-*], + [RUBY_DEVEL=yes], [RUBY_DEVEL=no]) +particular_werror_flags=$RUBY_DEVEL +AC_ARG_ENABLE(werror, + AS_HELP_STRING([--disable-werror], + [don't make warnings into errors + even if a compiler support -Werror feature + [[disabled by default unless development version]]]), + [particular_werror_flags=$enableval]) + +rb_cv_warnflags="$warnflags" +AS_IF([test "$GCC:${warnflags+set}:no" = yes::no], [ + AS_IF([test $gcc_major -ge 4], [ + extra_warning=-Werror=extra-tokens + ], [ + extra_warning= + ]) + AS_IF([test $gcc_major -ge 5 -a $gcc_major -le 6], [ + extra_warning="$extra_warning -Wno-maybe-uninitialized" + ]) + for wflag in -Wno-unused-parameter -Wno-parentheses -Wno-long-long \ + -diag-disable=2259 \ + -Wno-missing-field-initializers \ + -Wno-tautological-compare \ + -Wno-parentheses-equality \ + -Wno-constant-logical-operand \ + -Wno-self-assign \ + -Wunused-variable \ + -Werror=implicit-int \ + -Werror=pointer-arith \ + -Werror=write-strings \ + -Werror=declaration-after-statement \ + -Werror=shorten-64-to-32 \ + -Werror=implicit-function-declaration \ + -Werror=division-by-zero \ + -Werror=deprecated-declarations \ + -Wno-packed-bitfield-compat \ + -Wsuggest-attribute=noreturn \ + -Wsuggest-attribute=format \ + -Wimplicit-fallthrough=0 \ + $extra_warning \ + ; do + AS_IF([test "$particular_werror_flags" != yes], [ + wflag=`echo x$wflag | sed 's/^x-Werror=/-W/;s/^x//'` + ]) + ok=no + RUBY_TRY_CFLAGS($wflag, [ + RUBY_APPEND_OPTIONS(warnflags, $wflag) + ok=yes + ]) + AS_CASE([$ok:$wflag], [no:-Werror=*], [ + wflag=`echo x$wflag | sed 's/^x-Werror=/-W/'` + RUBY_TRY_CFLAGS($wflag, [ + RUBY_APPEND_OPTIONS(warnflags, $wflag) + particular_werror_flags=no + ]) + ]) + done + AS_CASE([" $warnflags "],[*" -Wno-missing-field-initializers "*], [wflag="-Wall -Wextra"], + [wflag=-Wall]) + RUBY_TRY_CFLAGS($wflag, [warnflags="$wflag${warnflags+ $warnflags}"]) + # Disable warnflags while conftest. -Werror=* flags might make bad OS capability guess. + rb_cv_warnflags="$warnflags" + warnflags= +]) +RUBY_TRY_CFLAGS(-Qunused-arguments, [RUBY_APPEND_OPTIONS(rb_cv_wsuppress_flags, -Qunused-arguments)]) + +for n in infinity nan; do + m=AS_TR_CPP($n) + AC_CACHE_CHECK([whether $m is available without C99 option], rb_cv_$n, + [AC_COMPILE_IFELSE( + [AC_LANG_BOOL_COMPILE_TRY(AC_INCLUDES_DEFAULT([@%:@include <math.h> +@%:@ifndef $m +@%:@error no $m +@%:@endif +]), [1])], [eval rb_cv_$n=yes], [eval rb_cv_$n=no])]) + AS_IF([eval test '"$rb_cv_'$n'"' = yes], [ + AC_DEFINE_UNQUOTED([HAVE_]$m) + ]) +done + +AC_ARG_WITH(compress-debug-sections, + AS_HELP_STRING([--with-compress-debug-sections=type], + [enable debug section compression]), + [compress_debug_sections=$withval], [compress_debug_sections=]) + +AS_IF([test "$GCC" = yes], [ + # NaCl's glibc build generates undefined references to __memset_chk. + # TODO(sbc): Remove this once NaCl's glibc is fixed. + AS_CASE(["$target_os"], [nacl], [], [ + # -D_FORTIFY_SOURCE + # When defined _FORTIFY_SOURCE, glibc enables some additional sanity + # argument check. The performance drop is very little and Ubuntu enables + # _FORTIFY_SOURCE=2 by default. So, let's support it for protecting us from + # a mistake of silly C extensions. + RUBY_TRY_CFLAGS(-D_FORTIFY_SOURCE=2, [RUBY_APPEND_OPTION(XCFLAGS, -D_FORTIFY_SOURCE=2)]) + ]) + + # -fstack-protector + AS_CASE(["$target_os"], + [mingw*|nacl], [ + stack_protector=no + ]) + AS_IF([test -z "${stack_protector+set}"], [ + RUBY_TRY_CFLAGS(-fstack-protector, [stack_protector=yes], [stack_protector=no]) + AS_IF([test "x$stack_protector" = xyes], [ + RUBY_TRY_LDFLAGS(-fstack-protector, [], [stack_protector=broken]) + ]) + ]) + AS_IF([test "x$stack_protector" = xyes], [ + RUBY_APPEND_OPTION(XCFLAGS, -fstack-protector) + RUBY_APPEND_OPTION(XLDFLAGS, -fstack-protector) + RUBY_APPEND_OPTION(LDFLAGS, -fstack-protector) + ]) + + AS_CASE("${compress_debug_sections:-zlib}", + [none|no], [], [ + RUBY_TRY_LDFLAGS(${linker_flag}--compress-debug-sections=${compress_debug_sections:-zlib}, + [compress_debug_sections=${compress_debug_sections:-zlib}], + [compress_debug_sections=no]) + ]) + AS_IF([test "x$compress_debug_sections" != xno], [ + RUBY_APPEND_OPTION(DLDFLAGS, ${linker_flag}--compress-debug-sections=$compress_debug_sections) + ]) + + AS_CASE(["$target_os"],[mingw*], [ + # On Windows platforms, system provided headers are VC++ + # optimized. That is, C++ habits are often contaminated into + # various headers. Most frequent situation is the use of // + # comments. We bypass ANSI C mode for them. Otherwise + # extension libs cannot include those headers. + + # Since math.h in some mingw64 wrongly delcares frexp and modf + # to be pure, the variables pointed by the second arguments are + # considered uninitialized unexpectedly. + AC_CACHE_CHECK([whether frexp and modf are broken], + rb_cv_mingw64_broken_frexp_modf, + [ + save_CFLAGS="$CFLAGS" + AS_IF([test "$particular_werror_flags" = "yes"], [ + CFLAGS="$CFLAGS -Werror=uninitialized" + ], [ + CFLAGS="$CFLAGS -Werror -Wuninitialized" + ]) + AC_TRY_COMPILE([@%:@include <math.h> + int foo(double x) + { + int exp; + frexp(x, &exp); + return exp; + }], [if (foo(0.0)) return 1;], + [rb_cv_mingw64_broken_frexp_modf=no], + [rb_cv_mingw64_broken_frexp_modf=yes]) + CFLAGS="$save_CFLAGS" + ]) + AS_IF([test "$rb_cv_mingw64_broken_frexp_modf" = yes], [ + AC_DEFINE(RUBY_MINGW64_BROKEN_FREXP_MODF) + ]) + ], + [cygwin*|darwin*|netbsd*|nacl], [ + # need lgamma_r(), finite() + ], + [ + # ANSI (no XCFLAGS because this is C only) + for ansi_options in -std=gnu99; do + RUBY_TRY_CFLAGS(${ansi_options}, [ + RUBY_APPEND_OPTIONS(warnflags, ${ansi_options}) + RUBY_APPEND_OPTIONS(strict_warnflags, ${ansi_options}) + ], [ansi_options=]) + test "x${ansi_options}" = x || break + done + ]) + + # suppress annoying -Wstrict-overflow warnings + RUBY_TRY_CFLAGS(-fno-strict-overflow, [RUBY_APPEND_OPTION(XCFLAGS, -fno-strict-overflow)]) + + test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-ggdb3, [debugflags=-ggdb3])} + test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-ggdb, [debugflags=-ggdb])} + test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-g3, [debugflags=-g3])} +]) +test $ac_cv_prog_cc_g = yes && : ${debugflags=-g} +AS_IF([test "x$RUBY_DEVEL" = xyes], [RUBY_APPEND_OPTION(XCFLAGS, -DRUBY_DEVEL=1)]) + +AS_IF([test "$GCC" = ""], [ + AS_CASE(["$target_os"],[aix*],[warnflags="$warnflags -qinfo=por" rb_cv_warnflags="$rb_cv_warnflags -qinfo=por"]) +]) +AS_IF([test "$GCC" = yes], [ + AS_IF([test "$gcc_major" -ge 4], [ + RUBY_TRY_CFLAGS(-fvisibility=hidden, [visibility_option=yes], [visibility_option=no]) + ]) + AC_SUBST(WERRORFLAG, "-Werror") + AS_IF([test "$visibility_option" = yes], [ + RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden) + AC_DEFINE(RUBY_SYMBOL_EXPORT_BEGIN, [_Pragma("GCC visibility push(default)")]) + AC_DEFINE(RUBY_SYMBOL_EXPORT_END, [_Pragma("GCC visibility pop")]) + ], [ + RUBY_TRY_LDFLAGS([-Wl,-unexported_symbol,_Init_*], [visibility_option=ld], [visibility_option=no]) + ]) + test "$visibility_option" = no -o "$host_os" = nacl || OBJCOPY=: +]) + +AS_IF([test "$GCC" = yes], [ + # optflags + + AS_CASE(["$target_os"], [mingw*], [ + RUBY_TRY_CFLAGS(-fno-omit-frame-pointer, [optflags="${optflags+$optflags }-fno-omit-frame-pointer"]) + RUBY_TRY_CFLAGS(-static-libgcc, [static_libgcc=yes], [static_libgcc=no]) + AS_IF([test "$static_libgcc" = yes], [ + RUBY_APPEND_OPTION(EXTLDFLAGS, -static-libgcc) + ]) + ]) + + # disable fast-math + for oflag in -fno-fast-math; do + RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(CFLAGS, $oflag)]) + done + for oflag in -fexcess-precision=standard -fp-model\ precise; do + RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(XCFLAGS, $oflag)]) + done +]) + +AC_ARG_WITH(opt-dir, + AS_HELP_STRING([--with-opt-dir=DIR-LIST], + [add optional headers and libraries directories separated by $PATH_SEPARATOR]), + [ + val=`echo "$PATH_SEPARATOR$withval" | sed "s|$PATH_SEPARATOR\([[^$PATH_SEPARATOR]*]\)| -I\1/include|g;s/^ //"` + CPPFLAGS="$CPPFLAGS $val" + val=`echo "$PATH_SEPARATOR$withval" | sed "s|$PATH_SEPARATOR\([[^$PATH_SEPARATOR]*]\)| -L\1/lib${rpathflag:+ $rpathflag\\\\1/lib}|g;s/^ //"` + LDFLAGS="$LDFLAGS $val" + LDFLAGS_OPTDIR="$val" + OPT_DIR="$withval" + ], [OPT_DIR=]) + +test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $ARCH_FLAG\"" +test -z "${ac_env_CXXFLAGS_set}" -a -n "${cxxflags+set}" && eval CXXFLAGS="\"$cxxflags $ARCH_FLAG\"" + +} +{ # header and library section + +AC_ARG_WITH(winnt-ver, + AS_HELP_STRING([--with-winnt-ver=0xXXXX], [target Windows NT version (default to 0x0501)]), + [with_winnt_ver="$withval"], [with_winnt_ver="0x0501"]) +AS_CASE(["$target_os"], +[mingw*], [ + RUBY_APPEND_OPTION(CPPFLAGS, -D_WIN32_WINNT=$with_winnt_ver) + RUBY_APPEND_OPTION(CPPFLAGS, -D__MINGW_USE_VC2005_COMPAT) +]) + +AS_CASE(["$target_os"], +[freebsd*], [ + AC_CACHE_CHECK([whether pthread should be enabled by default], + rb_cv_enable_pthread_default, + [AC_TRY_CPP([ +#include <osreldate.h> +#if __FreeBSD_version < 502102 +#error pthread should be disabled on this platform +#endif + ], + rb_cv_enable_pthread_default=yes, + rb_cv_enable_pthread_default=no)]) + enable_pthread=$rb_cv_enable_pthread_default + ], +[mingw*], [ + enable_pthread=no + ], +[ + enable_pthread=yes + ]) + +AC_ARG_ENABLE(pthread, + AS_HELP_STRING([--enable-pthread], [obsolete, and ignored])) + +dnl Checks for libraries. +AS_CASE(["$target_os"],[*bsd*|dragonfly*],[],[ac_cv_func_daemon=no]) + +POSTLINK=: +AC_SUBST(POSTLINK) +AS_CASE(["$target_os"], +[nextstep*], [ ], +[openstep*], [ ], +[rhapsody*], [ ], +[darwin*], [ RUBY_PREPEND_OPTION(LIBS, -lobjc) + RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT) + AC_MSG_CHECKING(whether Mac OS X 10.5 or later) + AC_TRY_CPP([#include <AvailabilityMacros.h> + #if MAC_OS_X_VERSION_MAX_ALLOWED <= 1040 + #error pre OS X 10.4 + [!<===== pre OS X 10.4 =====>] + #endif + ], + [macosx_10_5=yes], [macosx_10_5=no]) + AC_MSG_RESULT($macosx_10_5) + AS_IF([test "${target_os@%:@darwin}" -ge 16], [ + ac_cv_func___syscall=no + ac_cv_func_syscall=no + ac_cv_header_sys_syscall_h=no + ac_cv_header_syscall_h=no + ]) + AS_IF([test $macosx_10_5 = yes], [ + ac_cv_func_getcontext=no + ac_cv_func_setcontext=no + ], [ + AC_DEFINE(BROKEN_SETREUID, 1) + AC_DEFINE(BROKEN_SETREGID, 1) + ]) + incs=`$CC -v -E -xc - < /dev/null 2>&1 | sed ['1,/^@%:@include </d;s/^ *//;s|[^./][^/]*/\.\./||g;/\/include$/!d;s||/lib|;/\/usr\/lib/d']` + for d in `$CC -print-search-dirs | sed -e '/^libraries: */!d;s///' | tr : '\012' | fgrep -v /../ | sed -n 's|^\(/.*/lib\)/$|\1|p'`; do + incs=`echo "$incs" | fgrep -v "$d"` + done + for d in $incs; do + test -d "$d" && RUBY_APPEND_OPTIONS(LDFLAGS, "-L$d") + done + ac_cv_type_getgroups=gid_t # getgroups() on Rosetta fills garbage + ac_cv_lib_crypt_crypt=no + ac_cv_func_fdatasync=no # Mac OS X wrongly reports it has fdatasync() + ac_cv_func_vfork=no + AS_IF([test $gcc_major -lt 4 -o \( $gcc_major -eq 4 -a $gcc_minor -lt 3 \)], [ + ac_cv_func___builtin_setjmp=no + ]) + AC_CACHE_CHECK(for broken crypt with 8bit chars, rb_cv_broken_crypt, + [AC_TRY_RUN([ +#include <stdio.h> +#include <unistd.h> +#include <string.h> + +void +broken_crypt(const char *salt, const char *buf1, const char *buf2) +{ +#if 0 + printf("%.2x%.2x: %s -> %s\n", (unsigned char)salt[0], (unsigned char)salt[1], + buf1+2, buf2+2); +#endif +} + +int +main() +{ + int i; + char salt[2], buf[256], *s; + for (i = 0; i < 128*128; i++) { + salt[0] = 0x80 | (i & 0x7f); + salt[1] = 0x80 | (i >> 7); + strcpy(buf, crypt("", salt)); + if (strcmp(buf, s = crypt("", salt))) { + broken_crypt(salt, buf, s); + return 1; + } + } + salt[0] = salt[1] = ' '; + strcpy(buf, crypt("", salt)); + salt[0] = salt[1] = 0x80 | ' '; + if (strcmp(buf, s = crypt("", salt))) { + broken_crypt(salt, buf, s); + return 1; + } + return 0; +} +], + rb_cv_broken_crypt=no, + rb_cv_broken_crypt=yes, + rb_cv_broken_crypt=yes)]) + AS_IF([test "$rb_cv_broken_crypt" = yes], [ + AC_DEFINE(BROKEN_CRYPT, 1) + ]) + POSTLINK="" + AC_CHECK_PROGS(codesign, codesign) + AC_CHECK_PROGS(dsymutil, dsymutil) + AS_IF([test -n "$codesign"], [ + POSTLINK="{ test -z '\$(RUBY_CODESIGN)' || $codesign -s '\$(RUBY_CODESIGN)' -f \$@; }${POSTLINK:+; $POSTLINK}" + ]) + AS_IF([test -n "$dsymutil"], [ + POSTLINK="$dsymutil \$@${POSTLINK:+; $POSTLINK}" + ]) + AS_IF([test -n "${POSTLINK}"], [ + LINK_SO="$LINK_SO +\$(POSTLINK)" + ]) + AC_CHECK_HEADERS(crt_externs.h, [], [], [ + #include <crt_externs.h> + ]) + ], +[hpux*], [ LIBS="-lm $LIBS" + ac_cv_c_inline=no], +[solaris*], [ LIBS="-lm $LIBS" + ac_cv_func_vfork=no + AC_MSG_CHECKING(whether _XOPEN_SOURCE is already given) + AC_TRY_COMPILE([#include <unistd.h> + #ifndef _XOPEN_SOURCE + #error _XOPEN_SOURCE is not defined + #endif + ], [], + [given_xopen_source=yes], [given_xopen_source=no]) + AC_MSG_RESULT($given_xopen_source) + AS_IF([test $given_xopen_source = no], [ + # On Solaris, with gcc, -std=iso9899:1999 in $ansi_options + # is often also needed in CPPFLAGS, because some feature + # definitions vary depending on such standards options. + AS_CASE(["${ansi_options}"], + [*-std=iso9899:1999*], [ + RUBY_APPEND_OPTIONS(CPPFLAGS, ${ansi_options}) + ]) + AC_MSG_CHECKING(appropriate _XOPEN_SOURCE value to define) + define_xopen_source="" + for tmp_xpg in 7 6 5; do + AS_IF([test x"$define_xopen_source" != x], [ + break + ]) + # Both AC_TRY_CPP and AC_TRY_COMPILE should pass + # because some options may not be set to CPPFLAGS. + AC_TRY_CPP([ + #define _XOPEN_SOURCE ${tmp_xpg}00 + #include <unistd.h> + #ifndef _XPG${tmp_xpg} + #error _XPG${tmp_xpg} should be defined by _XOPEN_SOURCE=${tmp_xpg}00 + #endif + ], [ + AC_TRY_COMPILE([ + #define _XOPEN_SOURCE ${tmp_xpg}00 + #include <unistd.h> + #ifndef _XPG${tmp_xpg} + #error _XPG${tmp_xpg} should be defined by _XOPEN_SOURCE=${tmp_xpg}00 + #endif + ], [], + [define_xopen_source=${tmp_xpg}00], []) + ], []) + done + AS_IF([test x"$define_xopen_source" = x], [ + define_xopen_source=no + ]) + AC_MSG_RESULT($define_xopen_source) + AS_IF([test x"$define_xopen_source" != xno], [ + RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE=$define_xopen_source) + ]) + ]) + ], +[haiku*], [ + LIBS="$LIBS" # m lib is include in root + ], +[cygwin*], [ ac_cv_header_langinfo_h=yes + RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_GNU_SOURCE) + AC_CHECK_FUNCS(cygwin_conv_path) + AC_LIBOBJ([langinfo]) + ], +[mingw*], [ LIBS="-lshell32 -lws2_32 -liphlpapi -limagehlp -lshlwapi $LIBS" + ac_cv_header_a_out_h=no + ac_cv_header_pwd_h=no + ac_cv_header_utime_h=no + ac_cv_header_sys_ioctl_h=no + ac_cv_header_sys_param_h=no + ac_cv_header_sys_resource_h=no + ac_cv_header_sys_select_h=no + ac_cv_header_sys_time_h=no + ac_cv_header_sys_times_h=no + ac_cv_header_sys_socket_h=no + ac_cv_func_lstat=yes + ac_cv_func_times=yes + ac_cv_func_waitpid=yes + ac_cv_func_fsync=yes + ac_cv_func_seekdir=yes + ac_cv_func_telldir=yes + ac_cv_func_isinf=yes + ac_cv_func_isnan=yes + ac_cv_func_finite=yes + ac_cv_func_lchown=yes + ac_cv_func_link=yes + ac_cv_func_readlink=yes + ac_cv_func_symlink=yes + ac_cv_lib_crypt_crypt=no + ac_cv_func_getpgrp_void=no + ac_cv_func_memcmp_working=yes + ac_cv_lib_dl_dlopen=no + rb_cv_binary_elf=no + rb_cv_negative_time_t=no + ac_cv_func_fcntl=yes + ac_cv_func_flock=yes + ac_cv_func_gmtime_r=yes + rb_cv_large_fd_select=yes + ac_cv_type_struct_timeval=yes + ac_cv_func_clock_gettime=yes + ac_cv_func_clock_getres=yes + ac_cv_func_malloc_usable_size=no + AS_IF([test "$target_cpu" = x64], [ + ac_cv_func___builtin_setjmp=no + ac_cv_func_round=no + ]) + ac_cv_func_tgamma=no + rb_cv_negative_time_t=yes + AC_CHECK_TYPE([NET_LUID], [], [], + [@%:@include <winsock2.h> + @%:@include <iphlpapi.h>]) + AS_IF([test x"$ac_cv_type_NET_LUID" = xyes], [ + AC_DEFINE(HAVE_TYPE_NET_LUID, 1) + ]) + AC_CHECK_FUNCS(_gmtime64_s) + AC_CHECK_FUNCS(_wfreopen_s) + AC_LIBOBJ([langinfo]) + ], +[bsdi*], [ LIBS="-lm $LIBS" + AC_DEFINE(BROKEN_SETREUID, 1) + AC_DEFINE(BROKEN_SETREGID, 1) + ac_cv_sizeof_rlim_t=8], +[freebsd*], [ LIBS="-lm $LIBS" + ac_cv_func_getpeername=no + ac_cv_func_getsockname=no + ac_cv_func_shutdown=no + ac_cv_func_close=no + ], +[netbsd*], [ LIBS="-lm $LIBS" + ], +[dragonfly*], [ LIBS="-lm $LIBS" + # isinf() and isnan() are macros on DragonFly. + ac_cv_func_isinf=yes + ac_cv_func_isnan=yes + ], +[aix*],[ LIBS="-lm $LIBS" + ac_cv_func_round=no + ], +[nacl], [ + LIBS="-lm $LIBS" + AS_IF([test "${nacl_cv_build_variant}" = "newlib"], [ + RUBY_APPEND_OPTION(CPPFLAGS, -DNACL_NEWLIB) + ], [ + RUBY_APPEND_OPTION(XCFLAGS, -fPIC) + ]) + ], +[ LIBS="-lm $LIBS"]) + +AC_CHECK_LIB(crypt, crypt) # glibc (GNU/Linux, GNU/Hurd, GNU/kFreeBSD) +AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV +AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX +AC_CHECK_LIB(socket, shutdown) # SunOS/Solaris + +dnl Checks for header files. +AC_HEADER_DIRENT +dnl AC_HEADER_STDC has been checked in AC_USE_SYSTEM_EXTENSIONS +AC_HEADER_STDBOOL +AC_HEADER_SYS_WAIT + +AC_CHECK_HEADERS(a.out.h) +AC_CHECK_HEADERS(atomic.h) +AC_CHECK_HEADERS(direct.h) +AC_CHECK_HEADERS(grp.h) +AC_CHECK_HEADERS(fcntl.h) +AC_CHECK_HEADERS(float.h) +AC_CHECK_HEADERS(ieeefp.h) +AC_CHECK_HEADERS(intrinsics.h) +AC_CHECK_HEADERS(langinfo.h) +AC_CHECK_HEADERS(limits.h) +AC_CHECK_HEADERS(locale.h) +AC_CHECK_HEADERS(malloc.h) +AC_CHECK_HEADERS(malloc/malloc.h) +AC_CHECK_HEADERS(malloc_np.h) +AC_CHECK_HEADERS(net/socket.h) +AC_CHECK_HEADERS(process.h) +AC_CHECK_HEADERS(pwd.h) +AC_CHECK_HEADERS(setjmpex.h) +AC_CHECK_HEADERS(sys/attr.h) +AC_CHECK_HEADERS(sys/fcntl.h) +AC_CHECK_HEADERS(sys/file.h) +AC_CHECK_HEADERS(sys/id.h) +AC_CHECK_HEADERS(sys/ioctl.h) +AC_CHECK_HEADERS(sys/mkdev.h) +AC_CHECK_HEADERS(sys/param.h) +AC_CHECK_HEADERS(sys/prctl.h) +AC_CHECK_HEADERS(sys/resource.h) +AC_CHECK_HEADERS(sys/select.h) +AC_CHECK_HEADERS(sys/sendfile.h) +AC_CHECK_HEADERS(sys/socket.h) +AC_CHECK_HEADERS(sys/syscall.h) +AC_CHECK_HEADERS(sys/sysmacros.h) +AC_CHECK_HEADERS(sys/time.h) +AC_CHECK_HEADERS(sys/times.h) +AC_CHECK_HEADERS(sys/uio.h) +AC_CHECK_HEADERS(sys/utime.h) +AC_CHECK_HEADERS(syscall.h) +AC_CHECK_HEADERS(time.h) +AC_CHECK_HEADERS(ucontext.h) +AC_CHECK_HEADERS(utime.h) + +AC_ARG_WITH([gmp], + [AS_HELP_STRING([--without-gmp], + [disable GNU GMP to accelerate Bignum operations])], + [], + [with_gmp=yes]) +AS_IF([test "x$with_gmp" != xno], + [AC_CHECK_HEADERS(gmp.h) + AS_IF([test "x$ac_cv_header_gmp_h" != xno], + AC_SEARCH_LIBS([__gmpz_init], [gmp], + [AC_DEFINE(HAVE_LIBGMP, 1)]))]) + +AC_ARG_WITH([jemalloc], + [AS_HELP_STRING([--with-jemalloc],[use jemalloc allocator])], + [with_jemalloc=$withval], [with_jemalloc=no]) +AS_IF([test "x$with_jemalloc" = xyes],[ + AC_SEARCH_LIBS([malloc_conf], [jemalloc], + [AC_DEFINE(HAVE_LIBJEMALLOC, 1)], [with_jemalloc=no]) + AC_CHECK_HEADER(jemalloc/jemalloc.h, [ + AC_DEFINE(RUBY_ALTERNATIVE_MALLOC_HEADER, [<jemalloc/jemalloc.h>]) + ]) + AS_IF([test "x$with_jemalloc" = xno], [ + AC_CACHE_CHECK([for jemalloc with JEMALLOC_MANGLE], rb_cv_jemalloc_demangle, + [AC_LINK_IFELSE([AC_LANG_PROGRAM([@%:@define JEMALLOC_MANGLE 1 + @%:@ifdef RUBY_ALTERNATIVE_MALLOC_HEADER + @%:@include RUBY_ALTERNATIVE_MALLOC_HEADER + @%:@else + @%:@include <jemalloc.h> + @%:@endif], [return !&malloc_conf])], + [rb_cv_jemalloc_demangle=yes], + [rb_cv_jemalloc_demangle=no]) + ]) + ]) + AS_IF([test "x$rb_cv_jemalloc_demangle" = xyes], [ + AC_DEFINE(JEMALLOC_MANGLE) + with_jemalloc=yes + ]) + AS_IF([test "x$with_jemalloc" = xyes], + [ + AC_DEFINE(HAVE_MALLOC_CONF) + ac_cv_func_malloc_usable_size=yes + ], + [AC_MSG_ERROR([jemalloc requested but not found]) + ]) +]) + +dnl check for large file stuff +mv confdefs.h confdefs1.h +: > confdefs.h +AC_SYS_LARGEFILE +# On 32-bit Solaris, it is safe to define _LARGEFILE_SOURCE +# which is not added by AC_SYS_LARGEFILE. +AS_IF([test x"$enable_largefile" != xno], [ + AS_CASE(["$target_os"], [solaris*], [ + AC_MSG_CHECKING([wheather _LARGEFILE_SOURCE should be defined]) + AS_CASE(["${ac_cv_sys_file_offset_bits}:${ac_cv_sys_large_files}"], + ["64:"|"64:no"|"64:unknown"], [ + # insert _LARGEFILE_SOURCE before _FILE_OFFSET_BITS line + # that is the same order as "getconf LFS_CFLAGS" output + mv confdefs.h largefile0.h + : > confdefs.h + AC_DEFINE(_LARGEFILE_SOURCE) + cat largefile0.h >> confdefs.h + rm largefile0.h + AC_MSG_RESULT([yes]) + ], [AC_MSG_RESULT([no])]) + ]) +]) +mv confdefs.h largefile.h +mv confdefs1.h confdefs.h +cat largefile.h >> confdefs.h + +AS_CASE(["$target_os"], + [mingw*], [ac_cv_type_off_t=yes;ac_cv_sizeof_off_t=8], + [aix*], [ + AS_CASE(["$target_cpu:$ac_cv_sys_large_files"], + [ppc64:*|powerpc64:*], [], + [*:no|*:unknown], [], + [ + # AIX currently does not support a 32-bit call to posix_fadvise() + # if _LARGE_FILES is defined. + ac_cv_func_posix_fadvise=no + ]) + ]) + +AC_C_BIGENDIAN +AC_C_CONST +AC_C_CHAR_UNSIGNED +AC_C_INLINE +AC_C_VOLATILE +AC_C_TYPEOF + +AS_CASE(":$ac_cv_c_const:$ac_cv_c_volatile:", + [*:no:*], [AC_MSG_ERROR(ANSI C-conforming const and volatile are mandatory)]) + +AC_CHECK_TYPES([long long, off_t]) + +AC_CACHE_CHECK([char bit], [rb_cv_char_bit], + [test "$universal_binary" = yes && cross_compiling=yes + AC_COMPUTE_INT([rb_cv_char_bit], [CHAR_BIT], + [AC_INCLUDES_DEFAULT([@%:@include <limits.h>])], [rb_cv_char_bit=8]) + test "$universal_binary" = yes && cross_compiling=$real_cross_compiling]) + +dnl RUBY_CHECK_SIZEOF [typename], [maybe same size types], [macros], [include] +AC_DEFUN([RUBY_CHECK_SIZEOF], +[dnl +AS_VAR_PUSHDEF([rbcv_var], [rbcv_sizeof_var])dnl +AS_VAR_PUSHDEF([cond], [rbcv_sizeof_cond])dnl +AS_VAR_PUSHDEF([t], [rbcv_sizeof_type])dnl +AS_VAR_PUSHDEF([s], [rbcv_sizeof_size])dnl +] +[m4_bmatch([$1], [\.], [], [if test "$universal_binary" = yes; then]) +AC_CACHE_CHECK([size of $1], [AS_TR_SH([ac_cv_sizeof_$1])], [ + unset AS_TR_SH(ac_cv_sizeof_$1) + rbcv_var=" +typedef m4_bpatsubst([$1], [\..*]) ac__type_sizeof_; +static ac__type_sizeof_ *rbcv_ptr; +@%:@define AS_TR_CPP(SIZEOF_$1) sizeof((*rbcv_ptr)[]m4_bmatch([$1], [\.], .m4_bpatsubst([$1], [^[^.]*\.]))) +" + m4_ifval([$2], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && { + for t in $2; do + AC_COMPILE_IFELSE( + [AC_LANG_BOOL_COMPILE_TRY(AC_INCLUDES_DEFAULT([$4] + [$rbcv_var]), + [AS_TR_CPP(SIZEOF_$1) == sizeof($t)])], [ + AS_TR_SH(ac_cv_sizeof_$1)=AS_TR_CPP([SIZEOF_]$t) + break]) + done + }], [ + AC_COMPUTE_INT([AS_TR_SH(ac_cv_sizeof_$1)], [AS_TR_CPP(SIZEOF_$1)], + [AC_INCLUDES_DEFAULT([$4]) +$rbcv_var], + [AS_TR_SH(ac_cv_sizeof_$1)=]) + ]) + unset cond + m4_ifval([$3], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && { + for s in 32 64 128; do + for t in $3; do + cond="${cond} +@%:@${cond+el}if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s})" + hdr="AC_INCLUDES_DEFAULT([$4 +@%:@if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s}) +@%:@ define AS_TR_CPP(HAVE_$1) 1 +@%:@else +@%:@ define AS_TR_CPP(HAVE_$1) 0 +@%:@endif])" + AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr], [!AS_TR_CPP(HAVE_$1)])], [continue]) + AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr] + [$rbcv_var], + [AS_TR_CPP(HAVE_$1) == (AS_TR_CPP(SIZEOF_$1) == ($s / $rb_cv_char_bit))])], + [AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}${s}"; continue]) + AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr] +[ +@%:@if AS_TR_CPP(HAVE_$1) +$rbcv_var +@%:@else +@%:@define AS_TR_CPP(SIZEOF_$1) 0 +@%:@endif +], + [AS_TR_CPP(HAVE_$1) == (AS_TR_CPP(SIZEOF_$1) == (m4_bmatch([$2], [^[0-9][0-9]*$], [$2], [($s / $rb_cv_char_bit)])))])], + [AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}${s}m4_bmatch([$2], [^[0-9][0-9]*$], [:$2])"]) + done + done + }]) + test "${AS_TR_SH(ac_cv_sizeof_$1)@%:@@<:@1-9@:>@}" = "${AS_TR_SH(ac_cv_sizeof_$1)}" && + m4_ifval([$2][$3], + [test "${AS_TR_SH(ac_cv_sizeof_$1)@%:@SIZEOF_}" = "${AS_TR_SH(ac_cv_sizeof_$1)}" && ]){ + test "$universal_binary" = yes && cross_compiling=yes + AC_COMPUTE_INT([t], AS_TR_CPP(SIZEOF_$1), [AC_INCLUDES_DEFAULT([$4])] +[${cond+$cond +@%:@else} +$rbcv_var +${cond+@%:@endif} +@%:@ifndef AS_TR_CPP(SIZEOF_$1) +@%:@define AS_TR_CPP(SIZEOF_$1) 0 +@%:@endif], [t=0]) + test "$universal_binary" = yes && cross_compiling=$real_cross_compiling + AS_IF([test ${t-0} != 0], [ + AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}" + ]) + } + : ${AS_TR_SH(ac_cv_sizeof_$1)=0} +]) +{ + unset cond + for t in ${AS_TR_SH(ac_cv_sizeof_$1)-}; do + AS_CASE(["$t"], + [[[0-9]*|SIZEOF_*]], [ + ${cond+echo "@%:@else"} + echo "[@%:@define ]AS_TR_CPP(SIZEOF_$1) $t" + break + ], + [ + s=`expr $t : ['.*[^0-9]\([0-9][0-9]*\)$']` + AS_CASE([$t], [*:*], [t="${t%:*}"], [s=`expr $s / $rb_cv_char_bit`]) + echo "@%:@${cond+el}if defined(__${t}__) || defined(__${t}) || defined(_${t}) || defined($t)" + echo "@%:@define AS_TR_CPP(SIZEOF_$1) $s" + cond=1 + ]) + done + ${cond+echo "@%:@endif"} +} >> confdefs.h +m4_bmatch([$1], [\.], [], [else +AC_CHECK_SIZEOF([$1], 0, [$4]) +fi]) +AS_VAR_POPDEF([rbcv_var])dnl +AS_VAR_POPDEF([cond])dnl +AS_VAR_POPDEF([t])dnl +AS_VAR_POPDEF([s])dnl +]) + +RUBY_CHECK_SIZEOF(int, [], [ILP]) +RUBY_CHECK_SIZEOF(short) +RUBY_CHECK_SIZEOF(long, [int], [ILP LP]) +RUBY_CHECK_SIZEOF(long long) +RUBY_CHECK_SIZEOF(__int64, [8], [ILP LP]) +RUBY_CHECK_SIZEOF(__int128, [16], [ILP LP]) +RUBY_CHECK_SIZEOF(off_t) +RUBY_CHECK_SIZEOF(void*, [int long "long long"], [ILP LP LLP]) +RUBY_CHECK_SIZEOF(float) +RUBY_CHECK_SIZEOF(double) +RUBY_CHECK_SIZEOF(time_t, [long "long long"], [], [@%:@include <time.h>]) +RUBY_CHECK_SIZEOF(clock_t, [], [], [@%:@include <time.h>]) + +AC_CACHE_CHECK(packed struct attribute, rb_cv_packed_struct, + [rb_cv_packed_struct=no + for mac in \ + "__pragma(pack(push, 1)) x __pragma(pack(pop))" \ + "x __attribute__((packed))" \ + ; do + AC_TRY_COMPILE([@%:@define PACKED_STRUCT(x) $mac + PACKED_STRUCT(struct { int a; });], [], + [rb_cv_packed_struct=$mac; break]) + done]) +AS_IF([test "$rb_cv_packed_struct" != no], [ + AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], [$rb_cv_packed_struct]) + RUBY_TRY_CFLAGS(-Wno-address-of-packed-member, [AC_DEFINE(USE_UNALIGNED_MEMBER_ACCESS)]) +], [ + AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], x) +]) + +AC_DEFUN([RUBY_CHECK_PRINTF_PREFIX], [ +AC_CACHE_CHECK([for printf prefix for $1], [rb_cv_pri_prefix_]AS_TR_SH($1),[ + [rb_cv_pri_prefix_]AS_TR_SH($1)=[NONE] + RUBY_WERROR_FLAG(RUBY_APPEND_OPTIONS(CFLAGS, $rb_cv_wsuppress_flags) + for pri in $2; do + AC_TRY_COMPILE( + [@%:@include <stdio.h> + @%:@include <stddef.h> + @%:@ifdef __GNUC__ + @%:@define PRINTF_ARGS(decl, string_index, first_to_check) \ + decl __attribute__((format(printf, string_index, first_to_check))) + @%:@else + @%:@define PRINTF_ARGS(decl, string_index, first_to_check) decl + @%:@endif + PRINTF_ARGS(void test_sprintf(const char*, ...), 1, 2);], + [printf("%]${pri}[d", (]$1[)42); + test_sprintf("%]${pri}[d", (]$1[)42);], + [rb_cv_pri_prefix_]AS_TR_SH($1)[=[$pri]; break]) + done)]) +AS_IF([test "[$rb_cv_pri_prefix_]AS_TR_SH($1)" != NONE], [ + AC_DEFINE_UNQUOTED([PRI_]m4_ifval($3,$3,AS_TR_CPP(m4_bpatsubst([$1],[_t$])))[_PREFIX], + "[$rb_cv_pri_prefix_]AS_TR_SH($1)") +]) +]) + +AS_IF([test "x$ac_cv_type_long_long" = xyes], [ + RUBY_CHECK_PRINTF_PREFIX(long long, ll I64, LL) +], [test "x$ac_cv_type___int64" = xyes], [ + RUBY_CHECK_PRINTF_PREFIX(__int64, ll I64, LL) +]) + +dnl RUBY_CHECK_SIGNEDNESS [typename] [if-signed] [if-unsigned] [included] +AC_DEFUN([RUBY_CHECK_SIGNEDNESS], [dnl + AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])], [($1)-1 > 0])], + [$3], [$2])]) + +dnl RUBY_REPLACE_TYPE [typename] [default type] [macro type] [included] +AC_DEFUN([RUBY_REPLACE_TYPE], [dnl + AC_CHECK_TYPE([$1], + [n="patsubst([$1],["],[\\"])"], + [n="patsubst([$2],["],[\\"])"], + [$4]) + AC_CACHE_CHECK([for convertible type of [$1]], rb_cv_[$1]_convertible, [ + u= t= + AS_CASE(["$n "], + [*" signed "*], [ ], + [*" unsigned "*], [ + u=U], + [RUBY_CHECK_SIGNEDNESS($n, [], [u=U], [$4])]) + AS_IF([test x"$t" = x], [ + for t in "long long" long int short; do + test -n "$u" && t="unsigned $t" + AC_COMPILE_IFELSE( + [AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])] + [typedef $n rbcv_conftest_target_type; + typedef $t rbcv_conftest_replace_type; + extern rbcv_conftest_target_type rbcv_conftest_var; + extern rbcv_conftest_replace_type rbcv_conftest_var; + extern rbcv_conftest_target_type rbcv_conftest_func(void); + extern rbcv_conftest_replace_type rbcv_conftest_func(void); + ], [sizeof(rbcv_conftest_target_type) == sizeof(rbcv_conftest_replace_type)])], + [n="$t"; break]) + done + ]) + AS_CASE([" $n "], + [*" long long "*], [ + t=LL], + [*" long "*], [ + t=LONG], + [ + t=INT]) + rb_cv_[$1]_convertible=${u}${t}]) + AS_IF([test "${AS_TR_SH(ac_cv_type_[$1])}" = "yes"], [ + n="$1" + ], [ + AS_CASE(["${rb_cv_[$1]_convertible}"], + [*LL], [n="long long"], + [*LONG], [n="long"], + [n="int"]) + AS_CASE(["${rb_cv_[$1]_convertible}"], + [U*], [n="unsigned $n"]) + ]) + AS_CASE("${rb_cv_[$1]_convertible}", [U*], [u=+1], [u=-1]) + AC_DEFINE_UNQUOTED(rb_[$1], $n) + AC_DEFINE_UNQUOTED([SIGNEDNESS_OF_]AS_TR_CPP($1), $u) + AC_DEFINE_UNQUOTED([$3]2NUM[(v)], [${rb_cv_[$1]_convertible}2NUM(v)]) + AC_DEFINE_UNQUOTED(NUM2[$3][(v)], [NUM2${rb_cv_[$1]_convertible}(v)]) + AC_DEFINE_UNQUOTED(PRI_[$3]_PREFIX, + [PRI_`echo ${rb_cv_[$1]_convertible} | sed ['s/^U//']`_PREFIX]) +]) +RUBY_REPLACE_TYPE(pid_t, int, PIDT) +RUBY_REPLACE_TYPE(uid_t, int, UIDT) +RUBY_REPLACE_TYPE(gid_t, int, GIDT) +RUBY_REPLACE_TYPE(time_t, [], TIMET, [@%:@include <time.h>]) +RUBY_REPLACE_TYPE(dev_t, [int long "long long"], DEVT) +RUBY_REPLACE_TYPE(mode_t, ["unsigned int" long], MODET, [@%:@include <sys/stat.h>]) +RUBY_REPLACE_TYPE(rlim_t, [int long "long long"], RLIM, [ +@%:@ifdef HAVE_SYS_TYPES_H +@%:@include <sys/types.h> +@%:@endif +@%:@ifdef HAVE_SYS_TYPES_H +@%:@include <sys/time.h> +@%:@endif +@%:@include <sys/resource.h> +]) +RUBY_REPLACE_TYPE(off_t, [], OFFT) +RUBY_REPLACE_TYPE(clockid_t, [], CLOCKID) + +AC_CACHE_CHECK(for prototypes, rb_cv_have_prototypes, + [AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);], + rb_cv_have_prototypes=yes, + rb_cv_have_prototypes=no)]) +AS_IF([test "$rb_cv_have_prototypes" = yes], [ + AC_DEFINE(HAVE_PROTOTYPES) +]) + +AC_CACHE_CHECK(token paste string, rb_cv_tokenpaste, + [AC_TRY_COMPILE([@%:@define paste(a,b) a@%:@@%:@b], + [int xy = 1; return paste(x,y);], + rb_cv_tokenpaste=ansi, + rb_cv_tokenpaste=knr)]) +AS_IF([test "$rb_cv_tokenpaste" = ansi], [ + AC_DEFINE(TOKEN_PASTE(x,y),[x@%:@@%:@y]) +], [ + AC_DEFINE(TOKEN_PASTE(x,y),[x/**/y]) +]) + +AC_CACHE_CHECK(stringization, rb_cv_stringization, [ + rb_cv_stringization=no + for string in "#expr" '"expr"'; do + AC_COMPILE_IFELSE([ + AC_LANG_BOOL_COMPILE_TRY([ +#define STRINGIZE0(expr) $string +#define STRINGIZE(expr) STRINGIZE0(expr) +#undef real_test_for_stringization +#define test_for_stringization -.real_test_for_stringization.- +const char stringized[[]] = STRINGIZE(test_for_stringization); +], [sizeof(stringized) == 32])], + [rb_cv_stringization="$string"; break], + [rb_cv_stringization=no]) + done] +) +AC_DEFINE(STRINGIZE(expr),STRINGIZE0(expr)) +AS_IF([test x"$rb_cv_stringization" != xno -a "$rb_cv_stringization" != "#expr"], [ + AC_DEFINE_UNQUOTED(STRINGIZE0(expr),$rb_cv_stringization) + AC_DEFINE(OLD_FASHIONED_STRINGIZATION,1) +]) + +AC_CACHE_CHECK([string literal concatenation], + rb_cv_string_literal_concatenation, [ + AC_COMPILE_IFELSE([ + AC_LANG_BOOL_COMPILE_TRY([ +const char concatenated_literal[[]] = "literals" "to" + "be" "concatenated."; +], [sizeof(concatenated_literal) == 26])], + [rb_cv_string_literal_concatenation=yes], + [rb_cv_string_literal_concatenation=no])] +) +AS_IF([test "$rb_cv_string_literal_concatenation" = no], [ + AC_DEFINE(NO_STRING_LITERAL_CONCATENATION,1) +]) + +AC_CACHE_CHECK(for variable length prototypes and stdarg.h, rb_cv_stdarg, + [AC_TRY_COMPILE([ +#include <stdarg.h> +int foo(int x, ...) { + va_list va; + va_start(va, x); + va_arg(va, int); + va_arg(va, char *); + va_arg(va, double); + return 0; +} +], [return foo(10, "", 3.14);], + rb_cv_stdarg=yes, + rb_cv_stdarg=no)]) +AS_IF([test "$rb_cv_stdarg" = yes], [ + AC_DEFINE(HAVE_STDARG_PROTOTYPES) +]) + +AC_CACHE_CHECK(for variable length macro, rb_cv_va_args_macro, + [AC_TRY_COMPILE([ +int foo(int x, ...); +@%:@define FOO(a, ...) foo(a, @%:@@%:@__VA_ARGS__) +], [FOO(1);FOO(1,2);FOO(1,2,3);], + rb_cv_va_args_macro=yes, + rb_cv_va_args_macro=no)]) +AS_IF([test "$rb_cv_va_args_macro" = yes], [ + AC_DEFINE(HAVE_VA_ARGS_MACRO) +]) + +AC_DEFUN([RUBY_DEFINE_IF], [dnl + m4_ifval([$1], [AS_LITERAL_IF([$1], [], [test "X$1" = X || ])cat <<EOH >> confdefs.h +@%:@if $1 +EOH +])dnl +AC_DEFINE_UNQUOTED($2, $3)dnl + m4_ifval([$1], [AS_LITERAL_IF([$1], [], [test "X$1" = X || ])cat <<EOH >> confdefs.h +@%:@endif /* $1 */ +EOH +])dnl +])dnl + +dnl RUBY_DECL_ATTRIBUTE(attrib, macroname, cachevar, condition, type, code) +AC_DEFUN([RUBY_DECL_ATTRIBUTE], [dnl +m4_ifval([$2], dnl + [AS_VAR_PUSHDEF([attrib], m4_bpatsubst([$2], [(.*)], []))], dnl + [AS_VAR_PUSHDEF([attrib], m4_toupper(m4_format(%.4s, [$5]))[_]AS_TR_CPP($1))] dnl +)dnl +m4_ifval([$3], dnl + [AS_VAR_PUSHDEF([rbcv],[$3])], dnl + [AS_VAR_PUSHDEF([rbcv],[rb_cv_]m4_format(%.4s, [$5])[_][$1])]dnl +)dnl +m4_pushdef([attrib_code],[m4_bpatsubst([$1],["],[\\"])])dnl +m4_pushdef([attrib_params],[m4_bpatsubst([$2(x)],[^[^()]*(\([^()]*\)).*],[\1])])dnl +m4_ifval([$4], [rbcv_cond=["$4"]; test "$rbcv_cond" || unset rbcv_cond]) +AC_CACHE_CHECK(for m4_ifval([$2],[m4_bpatsubst([$2], [(.*)], [])],[$1]) [$5] attribute, rbcv, dnl +[rbcv=x +RUBY_WERROR_FLAG([ +for mac in \ + "__attribute__ ((attrib_code)) x" \ + "x __attribute__ ((attrib_code))" \ + "__declspec(attrib_code) x" \ + x; do + m4_ifval([$4],mac="$mac"${rbcv_cond+" /* only if $rbcv_cond */"}) + AC_TRY_COMPILE( + m4_ifval([$4],${rbcv_cond+[@%:@if ]$rbcv_cond}) +[@%:@define ]attrib[](attrib_params)[ $mac] +m4_ifval([$4],${rbcv_cond+[@%:@else]} +${rbcv_cond+[@%:@define ]attrib[](attrib_params)[ x]} +${rbcv_cond+[@%:@endif]}) +$6 +@%:@define mesg ("") + attrib[](attrib_params)[;], [], + [rbcv="$mac"; break]) +done +])]) +AS_IF([test "$rbcv" != x], [ + RUBY_DEFINE_IF(m4_ifval([$4],[${rbcv_cond}]), attrib[](attrib_params)[], $rbcv) +]) +m4_ifval([$4], [unset rbcv_cond]) dnl +m4_popdef([attrib_params])dnl +m4_popdef([attrib_code])dnl +AS_VAR_POPDEF([attrib])dnl +AS_VAR_POPDEF([rbcv])dnl +]) + +dnl RUBY_FUNC_ATTRIBUTE(attrib, macroname, cachevar, condition) +AC_DEFUN([RUBY_FUNC_ATTRIBUTE], [dnl + RUBY_DECL_ATTRIBUTE([$1], [$2], [$3], [$4], + [function], [@%:@define x int conftest_attribute_check(void)] + ) +]) + +dnl RUBY_TYPE_ATTRIBUTE(attrib, macroname, cachevar, condition) +AC_DEFUN([RUBY_TYPE_ATTRIBUTE], [dnl + RUBY_DECL_ATTRIBUTE([$1], [$2], [$3], [$4], + [type], [ +@%:@define x struct conftest_attribute_check {int i;} +]) +]) + +RUBY_FUNC_ATTRIBUTE(__const__, CONSTFUNC) +RUBY_FUNC_ATTRIBUTE(__pure__, PUREFUNC) +RUBY_FUNC_ATTRIBUTE(__noreturn__, NORETURN) +RUBY_FUNC_ATTRIBUTE(__deprecated__, DEPRECATED) +RUBY_FUNC_ATTRIBUTE(__deprecated__("by "@%:@n), DEPRECATED_BY(n,x), rb_cv_func_deprecated_by) +RUBY_TYPE_ATTRIBUTE(__deprecated__ mesg, DEPRECATED_TYPE(mesg,x), rb_cv_type_deprecated) +RUBY_FUNC_ATTRIBUTE(__noinline__, NOINLINE) +RUBY_FUNC_ATTRIBUTE(__always_inline__, ALWAYS_INLINE) +RUBY_FUNC_ATTRIBUTE(__warn_unused_result__, WARN_UNUSED_RESULT) +RUBY_FUNC_ATTRIBUTE(__unused__, MAYBE_UNUSED) +RUBY_FUNC_ATTRIBUTE(__error__ mesg, ERRORFUNC(mesg,x), rb_cv_func___error__) +RUBY_FUNC_ATTRIBUTE(__warning__ mesg, WARNINGFUNC(mesg,x), rb_cv_func___warning__) +RUBY_FUNC_ATTRIBUTE(__weak__, WEAK, rb_cv_func_weak) +AS_IF([test "$rb_cv_func_weak" != x], [ + AC_DEFINE(HAVE_FUNC_WEAK) +]) + +if_i386=${universal_binary+[defined __i386__]} +RUBY_FUNC_ATTRIBUTE(__stdcall__, FUNC_STDCALL, rb_cv_func_stdcall, ${if_i386}) +RUBY_FUNC_ATTRIBUTE(__cdecl__, FUNC_CDECL, rb_cv_func_cdecl, ${if_i386}) +RUBY_FUNC_ATTRIBUTE(__fastcall__, FUNC_FASTCALL, rb_cv_func_fastcall, ${if_i386}) +RUBY_FUNC_ATTRIBUTE(__optimize__("O0"), FUNC_UNOPTIMIZED, rb_cv_func_unoptimized) +RUBY_FUNC_ATTRIBUTE(__optimize__("-Os","-fomit-frame-pointer"), FUNC_MINIMIZED, rb_cv_func_minimized) + +AS_IF([test "$GCC" = yes], [ + AC_CACHE_CHECK([for function alias], [rb_cv_gcc_function_alias], + [rb_cv_gcc_function_alias=no + for a in alias weak,alias; do + AC_TRY_LINK([void foo(void) {} + void bar(void) __attribute__(($a("foo")));], [bar()], + [rb_cv_gcc_function_alias=$a; break]) + done]) + AS_IF([test "$rb_cv_gcc_function_alias" != no], [ + AC_DEFINE(HAVE_ATTRIBUTE_FUNCTION_ALIAS) + AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_TYPE(type, prot, name, args)], + [type prot __attribute__(($rb_cv_gcc_function_alias(@%:@name)));]) + AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_VOID(prot, name, args)], + [RUBY_ALIAS_FUNCTION_TYPE(void, prot, name, args)]) + ]) + + AC_CACHE_CHECK([for __atomic builtins], [rb_cv_gcc_atomic_builtins], [ + AC_TRY_LINK([unsigned char atomic_var;], + [ + __atomic_exchange_n(&atomic_var, 0, __ATOMIC_SEQ_CST); + __atomic_exchange_n(&atomic_var, 1, __ATOMIC_SEQ_CST); + __atomic_fetch_add(&atomic_var, 1, __ATOMIC_SEQ_CST); + __atomic_fetch_sub(&atomic_var, 1, __ATOMIC_SEQ_CST); + __atomic_or_fetch(&atomic_var, 1, __ATOMIC_SEQ_CST); + ], + [rb_cv_gcc_atomic_builtins=yes], + [rb_cv_gcc_atomic_builtins=no])]) + AS_IF([test "$rb_cv_gcc_atomic_builtins" = yes], [ + AC_DEFINE(HAVE_GCC_ATOMIC_BUILTINS) + ]) + + AC_CACHE_CHECK([for __sync builtins], [rb_cv_gcc_sync_builtins], [ + AC_TRY_LINK([unsigned char atomic_var;], + [ + __sync_lock_test_and_set(&atomic_var, 0); + __sync_lock_test_and_set(&atomic_var, 1); + __sync_fetch_and_add(&atomic_var, 1); + __sync_fetch_and_sub(&atomic_var, 1); + __sync_or_and_fetch(&atomic_var, 1); + __sync_val_compare_and_swap(&atomic_var, 0, 1); + ], + [rb_cv_gcc_sync_builtins=yes], + [rb_cv_gcc_sync_builtins=no])]) + AS_IF([test "$rb_cv_gcc_sync_builtins" = yes], [ + AC_DEFINE(HAVE_GCC_SYNC_BUILTINS) + ]) + + AC_CACHE_CHECK(for __builtin_unreachable, rb_cv_func___builtin_unreachable, + [RUBY_WERROR_FLAG( + [AC_TRY_LINK([volatile int zero;], + [if (zero) __builtin_unreachable();], + [rb_cv_func___builtin_unreachable=yes], + [rb_cv_func___builtin_unreachable=no]) + ]) + ]) + AS_IF([test "$rb_cv_func___builtin_unreachable" = yes], [ + AC_DEFINE_UNQUOTED(UNREACHABLE, [__builtin_unreachable()]) + ]) +]) + +AC_CACHE_CHECK(for exported function attribute, rb_cv_func_exported, [ +rb_cv_func_exported=no +RUBY_WERROR_FLAG([ +for mac in '__attribute__ ((__visibility__("default")))' '__declspec(dllexport)'; do + AC_TRY_COMPILE([@%:@define RUBY_FUNC_EXPORTED $mac extern + RUBY_FUNC_EXPORTED void conftest_attribute_check(void);], [], + [rb_cv_func_exported="$mac"; break]) +done +])]) +AS_IF([test "$rb_cv_func_exported" != no], [ + AC_DEFINE_UNQUOTED(RUBY_FUNC_EXPORTED, [$rb_cv_func_exported extern]) +]) + +RUBY_APPEND_OPTION(XCFLAGS, -DRUBY_EXPORT) + +AC_CACHE_CHECK(for function name string predefined identifier, + rb_cv_function_name_string, + [rb_cv_function_name_string=no + RUBY_WERROR_FLAG([ + for func in __func__ __FUNCTION__; do + AC_TRY_LINK([@%:@include <stdio.h>], + [puts($func);], + [rb_cv_function_name_string=$func + break]) + done + ])] +) +AS_IF([test "$rb_cv_function_name_string" != no], [ + AC_DEFINE_UNQUOTED(RUBY_FUNCTION_NAME_STRING, [$rb_cv_function_name_string]) +]) + +AC_CACHE_CHECK(if enum over int is allowed, rb_cv_enum_over_int, [ + rb_cv_enum_over_int=no + AS_IF([test "x$ac_cv_type_long_long" = xyes], [ + type="unsigned long long" max="ULLONG_MAX" + ], [ + type="unsigned long" max="ULONG_MAX" + ]) + RUBY_WERROR_FLAG([ + AC_COMPILE_IFELSE([ + AC_LANG_BOOL_COMPILE_TRY([ + @%:@include <limits.h> + enum {conftest_max = $max}; + ], [ + (conftest_max == $max) && + (sizeof(conftest_max) == sizeof($type)) + ] + )], + [rb_cv_enum_over_int=yes], + [rb_cv_enum_over_int=no] + ) + ]) +]) +AS_IF([test $rb_cv_enum_over_int = yes], [ + AC_DEFINE(ENUM_OVER_INT, 1) +]) + +dnl Check whether we need to define sys_nerr locally +AC_CHECK_DECLS([sys_nerr], [], [], [$ac_includes_default +@%:@include <errno.h>]) + +AC_CHECK_DECLS([getenv]) + +AS_CASE(["$target_cpu"], +[alpha*|sh4|sh4el|sh4eb], [AS_CASE(["$target_os"::"$GCC"], + [*::yes], # gcc + [CFLAGS="-mieee $CFLAGS"], + [osf*], # ccc + [CFLAGS="-ieee $CFLAGS"], + )], +[sparc*], [AC_LIBOBJ([sparc])]) + +ac_cv_header_net_socket_h=${ac_cv_header_net_socket_h=no} +AS_IF([test "$ac_cv_header_net_socket_h" = yes], [ + ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=no} +], [ + ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=yes} +]) + + +AC_TYPE_SIZE_T +RUBY_CHECK_SIGNEDNESS(size_t, [AC_MSG_ERROR(size_t is signed)], [], + [@%:@include <sys/types.h>]) +RUBY_CHECK_SIZEOF(size_t, [int long void*], [], [@%:@include <sys/types.h>]) +RUBY_CHECK_SIZEOF(ptrdiff_t, size_t, [], [@%:@include <stddef.h>]) +RUBY_CHECK_PRINTF_PREFIX(size_t, z) +RUBY_CHECK_PRINTF_PREFIX(ptrdiff_t, t) +AC_STRUCT_ST_BLKSIZE +AC_STRUCT_ST_BLOCKS +AC_STRUCT_ST_RDEV +RUBY_CHECK_SIZEOF([struct stat.st_size], [off_t int long "long long"], [], [@%:@include <sys/stat.h>]) +AS_IF([test "$ac_cv_member_struct_stat_st_blocks" = yes], [ + RUBY_CHECK_SIZEOF([struct stat.st_blocks], [off_t int long "long long"], [], [@%:@include <sys/stat.h>]) +]) +RUBY_CHECK_SIZEOF([struct stat.st_ino], [long "long long"], [], [@%:@include <sys/stat.h>]) +AC_CHECK_MEMBERS([struct stat.st_atim]) +AC_CHECK_MEMBERS([struct stat.st_atimespec]) +AC_CHECK_MEMBERS([struct stat.st_atimensec]) +AC_CHECK_MEMBERS([struct stat.st_mtim]) +AC_CHECK_MEMBERS([struct stat.st_mtimespec]) +AC_CHECK_MEMBERS([struct stat.st_mtimensec]) +AC_CHECK_MEMBERS([struct stat.st_ctim]) +AC_CHECK_MEMBERS([struct stat.st_ctimespec]) +AC_CHECK_MEMBERS([struct stat.st_ctimensec]) +AC_CHECK_MEMBERS([struct stat.st_birthtimespec]) + +AC_CHECK_TYPES([struct timeval], [], [], [@%:@ifdef HAVE_TIME_H +@%:@include <time.h> +@%:@endif +@%:@ifdef HAVE_SYS_TIME_H +@%:@include <sys/time.h> +@%:@endif]) + +AS_IF([test "${ac_cv_type_struct_timeval}" = yes], [ + RUBY_CHECK_SIZEOF([struct timeval.tv_sec], [time_t long "long long"], [], + [@%:@ifdef HAVE_TIME_H +@%:@include <time.h> +@%:@endif +@%:@ifdef HAVE_SYS_TIME_H +@%:@include <sys/time.h> +@%:@endif]) + AS_CASE(${ac_cv_sizeof_struct_timeval_tv_sec}, + [SIZEOF_INT], [t=int], + [SIZEOF_LONG], [t=long], + [SIZEOF_LONG_LONG], [t=LONG_LONG], + [t=]) + AS_IF([test "${t}" != ""], [ + AC_DEFINE_UNQUOTED(TYPEOF_TIMEVAL_TV_SEC, [$t]) + ]) +]) + +AC_CHECK_TYPES([struct timespec], [], [], [@%:@ifdef HAVE_TIME_H +@%:@include <time.h> +@%:@endif +@%:@ifdef HAVE_SYS_TIME_H +@%:@include <sys/time.h> +@%:@endif]) + +AC_CHECK_TYPES([struct timezone], [], [], [@%:@ifdef HAVE_TIME_H +@%:@ include <time.h> +@%:@endif +@%:@ifdef HAVE_SYS_TIME_H +@%:@ include <sys/time.h> +@%:@endif]) + +AC_CHECK_TYPES([clockid_t], [], [], [@%:@ifdef HAVE_TIME_H +@%:@ include <time.h> +@%:@endif +@%:@ifdef HAVE_SYS_TIME_H +@%:@ include <sys/time.h> +@%:@endif]) + +AC_CACHE_VAL([rb_cv_large_fd_select], + [AC_CHECK_TYPE(fd_mask, [rb_cv_large_fd_select=yes], [rb_cv_large_fd_select=no], [@%:@ifdef HAVE_SYS_SELECT_H +@%:@ include <sys/select.h> +@%:@endif])]) +AS_IF([test "$rb_cv_large_fd_select" = yes], [ + AC_DEFINE(HAVE_RB_FD_INIT, 1) +]) + +dnl RUBY_DEFINT TYPENAME, SIZE, [UNSIGNED], [INCLUDES = DEFAULT-INCLUDES] +AC_DEFUN([RUBY_DEFINT], [dnl +AS_VAR_PUSHDEF([cond], [rb_defint_cond])dnl +AS_VAR_PUSHDEF([type], [rb_defint_type])dnl +AC_CACHE_CHECK([for $1], [rb_cv_type_$1], +[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4]) +typedef $1 t; int s = sizeof(t) == 42;])], + [rb_cv_type_$1=yes], + [AS_CASE([m4_bmatch([$2], [^[1-9][0-9]*$], $2, [$ac_cv_sizeof_]AS_TR_SH($2))], + ["1"], [ rb_cv_type_$1="m4_if([$3], [], [signed ], [$3 ])char"], + ["$ac_cv_sizeof_short"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])short"], + ["$ac_cv_sizeof_int"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])int"], + ["$ac_cv_sizeof_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long"], + ["$ac_cv_sizeof_long_long"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long long"], + ["${ac_cv_sizeof___int64@%:@*:}"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int64"], + ["${ac_cv_sizeof___int128@%:@*:}"], [ rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int128"], + [ rb_cv_type_$1=no])])]) +AS_IF([test "${rb_cv_type_$1}" != no], [ + type="${rb_cv_type_$1@%:@@%:@unsigned }" + AS_IF([test "$type" != yes && eval 'test -n "${ac_cv_sizeof_'$type'+set}"'], [ + eval cond='"${ac_cv_sizeof_'$type'}"' + AS_CASE([$cond], [*:*], [ + cond=AS_TR_CPP($type) + echo "@%:@if defined SIZEOF_"$cond" && SIZEOF_"$cond" > 0" >> confdefs.h + ], [cond=]) + ], [cond=]) + AC_DEFINE([HAVE_]AS_TR_CPP($1), 1) + AS_IF([test "${rb_cv_type_$1}" = yes], [ + m4_bmatch([$2], [^[1-9][0-9]*$], [AC_CHECK_SIZEOF([$1], 0, [AC_INCLUDES_DEFAULT([$4])])], + [RUBY_CHECK_SIZEOF([$1], [$2], [], [AC_INCLUDES_DEFAULT([$4])])]) + ], [ + AC_DEFINE_UNQUOTED($1, [$rb_cv_type_$1]) + AC_DEFINE_UNQUOTED([SIZEOF_]AS_TR_CPP($1), [SIZEOF_]AS_TR_CPP([$type])) + ]) + test -n "$cond" && echo "@%:@endif /* $cond */" >> confdefs.h +]) +AS_VAR_POPDEF([cond])dnl +AS_VAR_POPDEF([type])dnl +]) + +RUBY_DEFINT(int8_t, 1) +RUBY_DEFINT(uint8_t, 1, unsigned) +RUBY_DEFINT(int16_t, 2) +RUBY_DEFINT(uint16_t, 2, unsigned) +RUBY_DEFINT(int32_t, 4) +RUBY_DEFINT(uint32_t, 4, unsigned) +RUBY_DEFINT(int64_t, 8) +RUBY_DEFINT(uint64_t, 8, unsigned) +RUBY_DEFINT(int128_t, 16) +RUBY_DEFINT(uint128_t, 16, unsigned) +RUBY_DEFINT(intptr_t, void*) +RUBY_DEFINT(uintptr_t, void*, unsigned) +RUBY_DEFINT(ssize_t, size_t, [], [@%:@include <sys/types.h>]) dnl may differ from int, so not use AC_TYPE_SSIZE_T. + +RUBY_NACL_CHECK_PEPPER_TYPES + +AC_CACHE_CHECK(for stack end address, rb_cv_stack_end_address, +[rb_cv_stack_end_address=no + AC_TRY_LINK( + [extern void *__libc_stack_end;], + [if (!__libc_stack_end) return 1;], + [rb_cv_stack_end_address="__libc_stack_end"]) +]) +AS_IF([test $rb_cv_stack_end_address != no], [ + AC_DEFINE_UNQUOTED(STACK_END_ADDRESS, $rb_cv_stack_end_address) +]) + +# posix_memalign(memptr, alignment, size) implemented for OpenBSD 4.8 doesn't work if alignment > MALLOC_PAGESIZE. +# [ruby-core:42158] https://bugs.ruby-lang.org/issues/5901 +# OpenBSD 5.2 fixed the problem. (src/lib/libc/stdlib/malloc.c:1.142) +# MirOS #10semel has the problem but fixed in the repository. (src/lib/libc/stdlib/malloc.c:1.9) +AS_CASE(["$target_os"], +[openbsd*|mirbsd*], [ + AC_CACHE_CHECK(for heap align log on openbsd, rb_cv_page_size_log, + [rb_cv_page_size_log=no + for page_log in 12 13; do + AC_TRY_RUN([ +#include <math.h> +#include <unistd.h> + +int +main() { + if ((int)log2((double)sysconf(_SC_PAGESIZE)) != $page_log) return 1; + return 0; +} + ], + rb_cv_page_size_log="$page_log"; break) + done]) + AS_IF([test $rb_cv_page_size_log != no], [ + AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, $rb_cv_page_size_log) + ], [ + AC_DEFINE_UNQUOTED(HEAP_ALIGN_LOG, 12) + ]) +]) + +dnl Checks for library functions. +AC_TYPE_GETGROUPS +AC_TYPE_SIGNAL +AS_CASE(["${target_cpu}-${target_os}:${target_archs}"], +[powerpc-darwin*], [ + AC_LIBSOURCES(alloca.c) + AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.${ac_objext}]) + AC_DEFINE(C_ALLOCA) + AC_DEFINE_UNQUOTED(alloca, alloca) + ], +[universal-darwin*:*ppc*], [ + AC_LIBSOURCES(alloca.c) + AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.${ac_objext}]) + RUBY_DEFINE_IF([defined __powerpc__], C_ALLOCA, 1) + RUBY_DEFINE_IF([defined __powerpc__], alloca, alloca) + ], +[ + AC_FUNC_ALLOCA + ]) +AS_IF([test "x$ALLOCA" = "x"], [ + AC_CACHE_CHECK([for dynamic size alloca], rb_cv_dynamic_alloca, [ + for chk in ok __chkstk; do + AC_TRY_LINK([ + @%:@ifdef HAVE_ALLOCA_H + @%:@include <alloca.h> + @%:@endif + void $chk() {} + int dynamic_alloca_test; + int dynamic_alloca_result;], + [dynamic_alloca_result = alloca(dynamic_alloca_test) != 0;], + [rb_cv_dynamic_alloca=$chk; break]) + done]) + AS_IF([test "x$rb_cv_dynamic_alloca" = "x__chkstk"], [ + AC_DEFINE_UNQUOTED(RUBY_ALLOCA_CHKSTK, _$rb_cv_dynamic_alloca) + AS_CASE("$target_cpu", + [x64|x86_64], [ + AC_SUBST([ALLOCA], [\${LIBOBJDIR}x86_64-chkstk.${ac_objext}]) + ],) + ]) +]) +AC_FUNC_MEMCMP + +# http://sources.redhat.com/ml/libc-hacker/2005-08/msg00008.html +# Debian GNU/Linux Etch's libc6.1 2.3.6.ds1-13etch5 has this problem. +# Debian GNU/Linux Lenny's libc6.1 2.7-10 has no problem. +AC_CACHE_CHECK(for broken erfc of glibc-2.3.6 on IA64, rb_cv_broken_glibc_ia64_erfc, + [AC_TRY_RUN([ +#include <math.h> +int +main() +{ + erfc(10000.0); + return 0; +} +], + rb_cv_broken_glibc_ia64_erfc=no, + rb_cv_broken_glibc_ia64_erfc=yes, + rb_cv_broken_glibc_ia64_erfc=no)]) +AS_CASE([$rb_cv_broken_glibc_ia64_erfc],[yes],[ac_cv_func_erf=no]) + +AS_CASE(["$target_os"],[freebsd*],[ + AC_DEFINE(BROKEN_CLOSE) + AC_REPLACE_FUNCS(close) + ]) + +AC_REPLACE_FUNCS(acosh) +AC_REPLACE_FUNCS(cbrt) +AC_REPLACE_FUNCS(crypt) +AC_REPLACE_FUNCS(dup2) +AC_REPLACE_FUNCS(erf) +AC_REPLACE_FUNCS(explicit_bzero) +AC_REPLACE_FUNCS(ffs) +AC_REPLACE_FUNCS(finite) +AC_REPLACE_FUNCS(flock) +AC_REPLACE_FUNCS(hypot) +AC_REPLACE_FUNCS(isinf) +AC_REPLACE_FUNCS(isnan) +AC_REPLACE_FUNCS(lgamma_r) +AC_REPLACE_FUNCS(memmove) +AC_REPLACE_FUNCS(nextafter) +AC_REPLACE_FUNCS(setproctitle) +AC_REPLACE_FUNCS(strchr) +AC_REPLACE_FUNCS(strerror) +AC_REPLACE_FUNCS(strlcat) +AC_REPLACE_FUNCS(strlcpy) +AC_REPLACE_FUNCS(strstr) +AC_REPLACE_FUNCS(tgamma) + +# for missing/setproctitle.c +AS_CASE(["$target_os"], +[aix* | k*bsd*-gnu | kopensolaris*-gnu | linux* | darwin*], [AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)], +[hpux*], [AC_DEFINE(SPT_TYPE,SPT_PSTAT) ], +[]) +AC_CHECK_HEADERS(sys/pstat.h) + + +AC_CACHE_CHECK(for signbit, rb_cv_have_signbit, + [AC_TRY_LINK([ +#include <math.h> +], [int v = signbit(-0.0);], + rb_cv_have_signbit=yes, + rb_cv_have_signbit=no)]) +AS_IF([test "$rb_cv_have_signbit" = yes], [ + AC_DEFINE(HAVE_SIGNBIT) +], [ + AC_LIBOBJ([signbit]) +]) + +AC_CACHE_CHECK(for broken memmem, rb_cv_broken_memmem, [ + AC_TRY_RUN([ +@%:@include <string.h> + +int +main(int argc, char **argv) +{ + const char *str = "hogefugafoobar"; + const char *rs = "foo"; + const char *empty = ""; + char *p; + + p = memmem(str, strlen(str), rs, strlen(rs)); + if (p == str+8) { + p = memmem(str, strlen(str), empty, strlen(empty)); + if (p == str) + return 0; + } + return 1; +} + ], + rb_cv_broken_memmem=no, + rb_cv_broken_memmem=yes, + rb_cv_broken_memmem=yes) +]) +test x"$rb_cv_broken_memmem" = xyes && ac_cv_func_memmem=no + +AC_FUNC_FORK + +AC_CHECK_FUNCS(__syscall) +AC_CHECK_FUNCS(_longjmp) # used for AC_ARG_WITH(setjmp-type) +# we don't use _setjmp if _longjmp doesn't exist. +test x$ac_cv_func__longjmp = xno && ac_cv_func__setjmp=no +AC_CHECK_FUNCS(arc4random_buf) +AC_CHECK_FUNCS(atan2l atan2f) +AC_CHECK_FUNCS(chroot) +AC_CHECK_FUNCS(chsize) +AC_CHECK_FUNCS(clock_gettime) +AC_CHECK_FUNCS(cosh) +AC_CHECK_FUNCS(crypt_r) +AC_CHECK_FUNCS(daemon) +AC_CHECK_FUNCS(dirfd) +AC_CHECK_FUNCS(dl_iterate_phdr) +AC_CHECK_FUNCS(dlopen) +AC_CHECK_FUNCS(dladdr) +AC_CHECK_FUNCS(dup) +AC_CHECK_FUNCS(dup3) +AC_CHECK_FUNCS(eaccess) +AC_CHECK_FUNCS(endgrent) +AC_CHECK_FUNCS(fchmod) +AC_CHECK_FUNCS(fchown) +AC_CHECK_FUNCS(fcntl) +AC_CHECK_FUNCS(fdatasync) +AC_CHECK_FUNCS(fdopendir) +AC_CHECK_FUNCS(fgetattrlist) +AC_CHECK_FUNCS(fmod) +AC_CHECK_FUNCS(fstatat) +AC_CHECK_FUNCS(fsync) +AC_CHECK_FUNCS(ftruncate) +AC_CHECK_FUNCS(ftruncate64) # used for Win32 platform +AC_CHECK_FUNCS(getattrlist) +AC_CHECK_FUNCS(getcwd) +AC_CHECK_FUNCS(getgidx) +AC_CHECK_FUNCS(getgrnam) +AC_CHECK_FUNCS(getgrnam_r) +AC_CHECK_FUNCS(getgroups) +AC_CHECK_FUNCS(getpgid) +AC_CHECK_FUNCS(getpgrp) +AC_CHECK_FUNCS(getpriority) +AC_CHECK_FUNCS(getpwnam_r) +AC_CHECK_FUNCS(getresgid) +AC_CHECK_FUNCS(getresuid) +AC_CHECK_FUNCS(getrlimit) +AC_CHECK_FUNCS(getsid) +AC_CHECK_FUNCS(gettimeofday) # for making ac_cv_func_gettimeofday +AC_CHECK_FUNCS(getuidx) +AC_CHECK_FUNCS(gmtime_r) +AC_CHECK_FUNCS(initgroups) +AC_CHECK_FUNCS(ioctl) +AC_CHECK_FUNCS(isfinite) +AC_CHECK_FUNCS(issetugid) +AC_CHECK_FUNCS(killpg) +AC_CHECK_FUNCS(lchmod) +AC_CHECK_FUNCS(lchown) +AC_CHECK_FUNCS(link) +AC_CHECK_FUNCS(llabs) +AC_CHECK_FUNCS(lockf) +AC_CHECK_FUNCS(log2) +AC_CHECK_FUNCS(lstat) +AC_CHECK_FUNCS(malloc_usable_size) +AC_CHECK_FUNCS(malloc_size) +AC_CHECK_FUNCS(mblen) +AC_CHECK_FUNCS(memalign) +AC_CHECK_FUNCS(memset_s) +AC_CHECK_FUNCS(writev) +AC_CHECK_FUNCS(memrchr) +AC_CHECK_FUNCS(memmem) +AC_CHECK_FUNCS(mkfifo) +AC_CHECK_FUNCS(mknod) +AC_CHECK_FUNCS(mktime) +AC_CHECK_FUNCS(openat) +AC_CHECK_FUNCS(pipe2) +AC_CHECK_FUNCS(poll) +AC_CHECK_FUNCS(posix_fadvise) +AC_CHECK_FUNCS(posix_memalign) +AC_CHECK_FUNCS(ppoll) +AC_CHECK_FUNCS(pread) +AC_CHECK_FUNCS(pwrite) +AC_CHECK_FUNCS(qsort_r) +AC_CHECK_FUNCS(qsort_s) +AC_CHECK_FUNCS(readlink) +AC_CHECK_FUNCS(round) +AC_CHECK_FUNCS(sched_getaffinity) +AC_CHECK_FUNCS(seekdir) +AC_CHECK_FUNCS(select_large_fdset) +AC_CHECK_FUNCS(sendfile) +AC_CHECK_FUNCS(setegid) +AC_CHECK_FUNCS(setenv) +AC_CHECK_FUNCS(seteuid) +AC_CHECK_FUNCS(setgid) +AC_CHECK_FUNCS(setgroups) +AC_CHECK_FUNCS(setpgid) +AC_CHECK_FUNCS(setpgrp) +AC_CHECK_FUNCS(setregid) +AC_CHECK_FUNCS(setresgid) +AC_CHECK_FUNCS(setresuid) +AC_CHECK_FUNCS(setreuid) +AC_CHECK_FUNCS(setrgid) +AC_CHECK_FUNCS(setrlimit) +AC_CHECK_FUNCS(setruid) +AC_CHECK_FUNCS(setsid) +AC_CHECK_FUNCS(setuid) +AC_CHECK_FUNCS(shutdown) +AC_CHECK_FUNCS(sigaction) +AC_CHECK_FUNCS(sigaltstack) +AC_CHECK_FUNCS(sigprocmask) +AC_CHECK_FUNCS(sinh) +AC_CHECK_FUNCS(spawnv) +AC_CHECK_FUNCS(symlink) +AC_CHECK_FUNCS(syscall) +AC_CHECK_FUNCS(sysconf) +AC_CHECK_FUNCS(tanh) +AC_CHECK_FUNCS(telldir) +AC_CHECK_FUNCS(timegm) +AC_CHECK_FUNCS(times) +AC_CHECK_FUNCS(truncate) +AC_CHECK_FUNCS(truncate64) # used for Win32 +AC_CHECK_FUNCS(unsetenv) +AC_CHECK_FUNCS(utimensat) +AC_CHECK_FUNCS(utimes) +AC_CHECK_FUNCS(wait4) +AC_CHECK_FUNCS(waitpid) + +AS_IF([test "$ac_cv_func_memset_s" = yes], + [RUBY_DEFINE_IF([!defined __STDC_WANT_LIB_EXT1__], [__STDC_WANT_LIB_EXT1__], 1)]) + +AS_IF([test "$ac_cv_func_getcwd" = yes], [ + AC_CACHE_CHECK(if getcwd allocates buffer if NULL is given, [rb_cv_getcwd_malloc], + [AC_TRY_RUN([ +@%:@include <stddef.h> +@%:@include <stdio.h> +@%:@ifdef HAVE_UNISTD_H +@%:@include <unistd.h> +@%:@endif +@%:@ifndef EXIT_SUCCESS +@%:@define EXIT_SUCCESS 0 +@%:@endif +@%:@ifndef EXIT_FAILURE +@%:@define EXIT_FAILURE 1 +@%:@endif + +int +main(int argc, char **argv) +{ + if (!getcwd(NULL, 0)) return EXIT_FAILURE; + return EXIT_SUCCESS; +} +], + rb_cv_getcwd_malloc=yes, + rb_cv_getcwd_malloc=no, + AS_CASE($target_os, + [linux*|darwin*|*bsd|cygwin*|mingw*|mswin*], + [rb_cv_getcwd_malloc=yes], + [rb_cv_getcwd_malloc=no]))]) + AS_IF([test "$rb_cv_getcwd_malloc" = no], [AC_DEFINE(NO_GETCWD_MALLOC, 1)]) +]) + +AS_IF([test "$ac_cv_func_crypt_r" = yes], + [AC_CHECK_HEADERS(crypt.h)]) +AS_IF([test "$ac_cv_func_crypt_r:$ac_cv_header_crypt_h" = yes:yes], + [AC_CHECK_MEMBERS([struct crypt_data.initialized], [], [], + [AC_INCLUDES_DEFAULT([@%:@include <crypt.h>])])]) + +AC_DEFUN([RUBY_CHECK_BUILTIN_FUNC], [dnl +AC_CACHE_CHECK([for $1], AS_TR_SH(rb_cv_builtin_$1), + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([int foo;], [$2;])], + [AS_TR_SH(rb_cv_builtin_$1)=yes], + [AS_TR_SH(rb_cv_builtin_$1)=no])]) +AS_IF([test "${AS_TR_SH(rb_cv_builtin_$1)}" != no], [ + AC_DEFINE(AS_TR_CPP(HAVE_BUILTIN_$1)) +])]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap16, [__builtin_bswap16(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap32, [__builtin_bswap32(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap64, [__builtin_bswap64(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_popcount, [__builtin_popcount(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_popcountll, [__builtin_popcountll(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_clz, [__builtin_clz(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_clzl, [__builtin_clzl(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_clzll, [__builtin_clzll(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_ctz, [__builtin_ctz(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_ctzll, [__builtin_ctzll(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_add_overflow, [int x;__builtin_add_overflow(0,0,&x)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_sub_overflow, [int x;__builtin_sub_overflow(0,0,&x)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_mul_overflow, [int x;__builtin_mul_overflow(0,0,&x)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_mul_overflow_p, [__builtin_mul_overflow_p(0,0,(int)0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_constant_p, [__builtin_constant_p(0)]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_choose_expr, [ + [int x[__extension__(__builtin_choose_expr(1, 1, -1))]]; + [int y[__extension__(__builtin_choose_expr(0, -1, 1))]]; + ]) +AS_IF([test x$rb_cv_builtin___builtin_choose_expr = xyes], [ + RUBY_CHECK_BUILTIN_FUNC(__builtin_choose_expr_constant_p, [ + [int x[__extension__(__builtin_choose_expr(__builtin_constant_p(1), 1, -1))]]; + [int y[__extension__(__builtin_choose_expr(__builtin_constant_p(foo), -1, 1))]]; + ]) +]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_types_compatible_p, [__builtin_types_compatible_p(int, int)]) + +AS_IF([test "$ac_cv_func_qsort_r" != no], [ + AC_CACHE_CHECK(whether qsort_r is GNU version, rb_cv_gnu_qsort_r, + [AC_TRY_COMPILE([ +@%:@include <stdlib.h> +void qsort_r(void *base, size_t nmemb, size_t size, + int (*compar)(const void *, const void *, void *), + void *arg); +],[ ], + [rb_cv_gnu_qsort_r=yes], + [rb_cv_gnu_qsort_r=no]) + ]) + AC_CACHE_CHECK(whether qsort_r is BSD version, rb_cv_bsd_qsort_r, + [AC_TRY_COMPILE([ +@%:@include <stdlib.h> +void qsort_r(void *base, size_t nmemb, size_t size, + void *arg, int (*compar)(void *, const void *, const void *)); +],[ ], + [rb_cv_bsd_qsort_r=yes], + [rb_cv_bsd_qsort_r=no]) + ]) + AS_CASE("$rb_cv_gnu_qsort_r:$rb_cv_bsd_qsort_r", + [yes:no], [ + AC_DEFINE(HAVE_GNU_QSORT_R, 1) + ], + [no:yes], [ + AC_DEFINE(HAVE_BSD_QSORT_R, 1) + ]) +]) + +AC_CACHE_CHECK(whether atan2 handles Inf as C99, rb_cv_atan2_inf_c99, [ + AS_IF([test $ac_cv_func_atan2f:$ac_cv_func_atan2l = yes:yes], [ + AC_TRY_RUN([ +@%:@include <math.h> +@%:@ifdef HAVE_UNISTD_H +@%:@include <unistd.h> +@%:@endif +@%:@ifndef EXIT_SUCCESS +@%:@define EXIT_SUCCESS 0 +@%:@endif +@%:@ifndef EXIT_FAILURE +@%:@define EXIT_FAILURE 1 +@%:@endif + +int +main(int argc, char **argv) +{ + if (fabs(atan2(INFINITY, INFINITY) - M_PI_4) <= 0.01) return EXIT_SUCCESS; + return EXIT_FAILURE; +} +], + [rb_cv_atan2_inf_c99=yes], + [rb_cv_atan2_inf_c99=no], + [AS_CASE($target_os, [mingw*|mswin*], [rb_cv_atan2_inf_c99=no], [rb_cv_atan2_inf_c99=yes])] + ) + ], [rb_cv_atan2_inf_c99=no]) +]) +AS_IF([test "x$rb_cv_atan2_inf_c99" = xyes], [AC_DEFINE(ATAN2_INF_C99)]) + +# Some platform need -lrt for clock_gettime, but the other don't. +AS_IF([test x"$ac_cv_func_clock_gettime" != xyes], [ + # glibc 2.17 moves clock_* functions from librt to the main C library. + # http://sourceware.org/ml/libc-announce/2012/msg00001.html + AC_CHECK_LIB(rt, clock_gettime) + AS_IF([test x"$ac_cv_lib_rt_clock_gettime" = xyes], [ + AC_DEFINE(HAVE_CLOCK_GETTIME, 1) + ]) +]) +AC_CHECK_FUNCS(clock_getres) # clock_getres should be tested after clock_gettime test including librt test. + +AC_CACHE_CHECK(for unsetenv returns a value, rb_cv_unsetenv_return_value, + [AC_TRY_COMPILE([ +#include <stdlib.h> +], [int v = unsetenv("foo");], + rb_cv_unsetenv_return_value=yes, + rb_cv_unsetenv_return_value=no)]) +AS_IF([test "$rb_cv_unsetenv_return_value" = no], [ + AC_DEFINE(VOID_UNSETENV) +]) + +# used for AC_ARG_WITH(setjmp-type) +AC_DEFUN([RUBY_CHECK_SETJMP], [ +AC_CACHE_CHECK([for ]$1[ as a macro or function], ac_cv_func_$1, + [AC_TRY_COMPILE([ +@%:@include <setjmp.h> +]AC_INCLUDES_DEFAULT([$3])[ +@%:@define JMPARGS_1 env +@%:@define JMPARGS_2 env,1 +@%:@define JMPARGS JMPARGS_]m4_ifval($2,2,1)[ +], + m4_ifval($2,$2,jmp_buf)[ env; $1(JMPARGS);], + ac_cv_func_$1=yes, + ac_cv_func_$1=no)] +) +AS_IF([test "$ac_cv_func_]$1[" = yes], [AC_DEFINE([HAVE_]AS_TR_CPP($1), 1)]) +]) + +AC_DEFUN([RUBY_CHECK_BUILTIN_SETJMP], [ +AS_IF([test x"${ac_cv_func___builtin_setjmp}" = xyes], [ + unset ac_cv_func___builtin_setjmp +]) +AC_CACHE_CHECK(for __builtin_setjmp, ac_cv_func___builtin_setjmp, + [ + ac_cv_func___builtin_setjmp=no + for cast in "" "(void **)"; do + RUBY_WERROR_FLAG( + [AC_TRY_LINK([@%:@include <setjmp.h> + @%:@include <stdio.h> + jmp_buf jb; + @%:@ifdef NORETURN + NORETURN(void t(void)); + @%:@endif + void t(void) {__builtin_longjmp($cast jb, 1);} + int jump(void) {(void)(__builtin_setjmp($cast jb) ? 1 : 0); return 0;}], + [ + void (*volatile f)(void) = t; + if (!jump()) printf("%d\n", f != 0); + ], + [ac_cv_func___builtin_setjmp="yes with cast ($cast)"]) + ]) + test "$ac_cv_func___builtin_setjmp" = no || break + done]) +]) + +AC_DEFUN([RUBY_SETJMP_TYPE], [ +RUBY_CHECK_BUILTIN_SETJMP +RUBY_CHECK_SETJMP(_setjmpex, [], [@%:@include <setjmpex.h>]) +RUBY_CHECK_SETJMP(_setjmp) +RUBY_CHECK_SETJMP(sigsetjmp, [sigjmp_buf]) +AC_MSG_CHECKING(for setjmp type) +setjmp_suffix= +unset setjmp_sigmask +AC_ARG_WITH(setjmp-type, + AS_HELP_STRING([--with-setjmp-type], [select setjmp type]), + [ + AS_CASE([$withval], + [__builtin_setjmp], [setjmp=__builtin_setjmp], + [_setjmp], [ setjmp_prefix=_], + [sigsetjmp,*], [ setjmp_prefix=sig setjmp_sigmask=`expr "$withval" : 'sigsetjmp\(,.*\)'`], + [sigsetjmp], [ setjmp_prefix=sig], + [setjmp], [ setjmp_prefix=], + [setjmpex], [ setjmp_prefix= setjmp_suffix=ex], + [''], [ unset setjmp_prefix], + [ AC_MSG_ERROR(invalid setjmp type: $withval)])], [unset setjmp_prefix]) +setjmp_cast= +AS_IF([test ${setjmp_prefix+set}], [ + AS_IF([test "${setjmp_prefix}" && eval test '$ac_cv_func_'${setjmp_prefix}setjmp${setjmp_suffix} = no], [ + AC_MSG_ERROR(${setjmp_prefix}setjmp${setjmp_suffix} is not available) + ]) +], [{ AS_CASE("$ac_cv_func___builtin_setjmp", [yes*], [true], [false]) }], [ + setjmp_cast=`expr "$ac_cv_func___builtin_setjmp" : "yes with cast (\(.*\))"` + setjmp_prefix=__builtin_ + setjmp_suffix= +], [test "$ac_cv_header_setjmpex_h:$ac_cv_func__setjmpex" = yes:yes], [ + setjmp_prefix= + setjmp_suffix=ex +], [test "$ac_cv_func__setjmp" = yes], [ + setjmp_prefix=_ + setjmp_suffix= +], [test "$ac_cv_func_sigsetjmp" = yes], [ + AS_CASE([$target_os],[solaris*|cygwin*],[setjmp_prefix=],[setjmp_prefix=sig]) + setjmp_suffix= +], [ + setjmp_prefix= + setjmp_suffix= +]) +AS_IF([test x$setjmp_prefix:$setjmp_sigmask = xsig:], [ + setjmp_sigmask=,0 +]) +AC_MSG_RESULT(${setjmp_prefix}setjmp${setjmp_suffix}${setjmp_cast:+\($setjmp_cast\)}${setjmp_sigmask}) +AC_DEFINE_UNQUOTED([RUBY_SETJMP(env)], [${setjmp_prefix}setjmp${setjmp_suffix}($setjmp_cast(env)${setjmp_sigmask})]) +AC_DEFINE_UNQUOTED([RUBY_LONGJMP(env,val)], [${setjmp_prefix}longjmp($setjmp_cast(env),val)]) +AC_DEFINE_UNQUOTED(RUBY_JMP_BUF, ${setjmp_sigmask+${setjmp_prefix}}jmp_buf) +AS_IF([test x$setjmp_suffix = xex], [AC_DEFINE_UNQUOTED(RUBY_USE_SETJMPEX, 1)]) +]) +# End of setjmp check. + +AC_ARG_ENABLE(setreuid, + AS_HELP_STRING([--enable-setreuid], [use setreuid()/setregid() according to need even if obsolete]), + [use_setreuid=$enableval]) +AS_IF([test "$use_setreuid" = yes], [ + AC_DEFINE(USE_SETREUID) + AC_DEFINE(USE_SETREGID) +]) +AC_STRUCT_TIMEZONE +AC_CACHE_CHECK(for struct tm.tm_gmtoff, rb_cv_member_struct_tm_tm_gmtoff, + [AC_TRY_COMPILE([ +@%:@define _BSD_SOURCE +@%:@define _DEFAULT_SOURCE +@%:@include <time.h> + ], + [struct tm t; t.tm_gmtoff = 3600;], + [rb_cv_member_struct_tm_tm_gmtoff=yes], + [rb_cv_member_struct_tm_tm_gmtoff=no])]) +AS_IF([test "$rb_cv_member_struct_tm_tm_gmtoff" = yes], [ + AC_DEFINE(HAVE_STRUCT_TM_TM_GMTOFF) +]) +AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight, + [AC_TRY_LINK([#include <time.h> + int i;], + [i = daylight;], + rb_cv_have_daylight=yes, + rb_cv_have_daylight=no)]) +AS_IF([test "$rb_cv_have_daylight" = yes], [ + AC_DEFINE(HAVE_DAYLIGHT) +]) + +AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t, + [AC_TRY_RUN([ +#include <stdlib.h> +#include <time.h> + +void +check(tm, y, m, d, h, s) + struct tm *tm; + int y, m, d, h, s; +{ + if (!tm || + tm->tm_year != y || + tm->tm_mon != m-1 || + tm->tm_mday != d || + tm->tm_hour != h || + tm->tm_sec != s) { + exit(1); + } +} + +int +main() +{ + time_t t = -1; + struct tm *tm; + + check(gmtime(&t), 69, 12, 31, 23, 59); + t = ~(time_t)0 << 31; + check(gmtime(&t), 1, 12, 13, 20, 52); + return 0; +} +], + rb_cv_negative_time_t=yes, + rb_cv_negative_time_t=no, + rb_cv_negative_time_t=yes)]) +AS_IF([test "$rb_cv_negative_time_t" = yes], [ + AC_DEFINE(NEGATIVE_TIME_T) +]) + +# [ruby-dev:40910] overflow of time on FreeBSD +# http://www.freebsd.org/cgi/query-pr.cgi?pr=145341 +AC_CACHE_CHECK(for localtime(3) overflow correctly, rb_cv_localtime_overflow, + [AC_TRY_RUN([ +#include <stdlib.h> +#include <time.h> + +void +check(time_t t1) +{ + struct tm *tm; + time_t t2; + tm = localtime(&t1); + if (!tm) + return; /* overflow detected. ok. */ + t2 = mktime(tm); + if (t1 == t2) + return; /* round-trip. ok. */ + exit(1); +} + +int +main() +{ + time_t t; + if (~(time_t)0 <= 0) { + t = (((time_t)1) << (sizeof(time_t) * 8 - 2)); + t |= t - 1; + } + else { + t = ~(time_t)0; + } + check(t); + return 0; +} +], + rb_cv_localtime_overflow=yes, + rb_cv_localtime_overflow=no, + rb_cv_localtime_overflow=no)]) +AS_IF([test "$rb_cv_localtime_overflow" = no], [ + AC_DEFINE(LOCALTIME_OVERFLOW_PROBLEM) +]) + +AS_IF([test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes], [ + AC_DEFINE(POSIX_SIGNAL) +], [ + AC_CHECK_FUNCS(sigsetmask) + AC_CACHE_CHECK(for BSD signal semantics, rb_cv_bsd_signal, + [AC_TRY_RUN([ +#include <stdio.h> +#include <signal.h> + +void +sig_handler(dummy) + int dummy; +{ +} + +int +main() +{ + signal(SIGINT, sig_handler); + kill(getpid(), SIGINT); + kill(getpid(), SIGINT); + return 0; +} +], + rb_cv_bsd_signal=yes, + rb_cv_bsd_signal=no, + rb_cv_bsd_signal=$ac_cv_func_sigsetmask)]) + AS_IF([test "$rb_cv_bsd_signal" = yes], [ + AC_DEFINE(BSD_SIGNAL) + ]) +]) + +AC_CHECK_TYPES([sig_t],[],[],[@%:@include <signal.h>]) + +AS_IF([test "$ac_cv_func_getpgid" = no], [ + # AC_FUNC_GETPGRP fails when cross-compiling with old autoconf. + # autoconf is changed between 2.52d and 2.52f? + # http://lists.gnu.org/archive/html/bug-gnu-utils/2001-09/msg00181.html + # "autoconf cleanup for AC_FUNC_GETPGRP and GETPGRP_VOID" +AC_FUNC_GETPGRP +]) +AS_IF([test "$ac_cv_func_setpgid:$ac_cv_func_setpgrp" = no:yes], [ + # AC_FUNC_SETPGRP fails when cross-compiling. (until autoconf 2.69?) + # https://lists.gnu.org/archive/html/bug-autoconf/2013-02/msg00002.html + # "AC_FUNC_SETPGRP fails to work properly when cross-compiling" +AC_FUNC_SETPGRP +]) + +AS_IF([test x"$ac_cv_func_dirfd" = xno], [ + AS_CASE(["$target_os"],[solaris*], + [AC_CHECK_MEMBERS([DIR.d_fd, DIR.dd_fd],,,[ +#include <sys/types.h> +#include <dirent.h> +])]) +]) + +AS_IF([test x"$target_cpu" = xia64], [ + AC_LIBOBJ([ia64]) + AC_CACHE_CHECK(for __libc_ia64_register_backing_store_base, + rb_cv___libc_ia64_register_backing_store_base, + [rb_cv___libc_ia64_register_backing_store_base=no + AC_TRY_LINK( + [extern unsigned long __libc_ia64_register_backing_store_base;], + [unsigned long p = __libc_ia64_register_backing_store_base; + printf("%ld\n", p);], + [rb_cv___libc_ia64_register_backing_store_base=yes])]) + AS_IF([test $rb_cv___libc_ia64_register_backing_store_base = yes], [ + AC_DEFINE(HAVE___LIBC_IA64_REGISTER_BACKING_STORE_BASE) + ]) +]) + +AC_CACHE_CHECK(whether right shift preserve sign bit, rb_cv_rshift_sign, + [AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([], [(-1==(-1>>1))])], + rb_cv_rshift_sign=yes, + rb_cv_rshift_sign=no)]) +AS_IF([test "$rb_cv_rshift_sign" = yes], [ + AC_DEFINE(RSHIFT(x,y), ((x)>>(int)(y))) +], [ + AC_DEFINE(RSHIFT(x,y), (((x)<0) ? ~((~(x))>>(int)(y)) : (x)>>(int)(y))) +]) + +AS_IF([test x"$ac_cv_func_gettimeofday" != xyes], [ + AC_MSG_ERROR(gettimeofday() must exist) +]) + +AS_IF([test "$ac_cv_func_sysconf" = yes], [ + AC_DEFUN([RUBY_CHECK_SYSCONF], [dnl + AC_CACHE_CHECK([whether _SC_$1 is supported], rb_cv_have_sc_[]m4_tolower($1), + [AC_TRY_COMPILE([#include <unistd.h> + ], + [_SC_$1 >= 0], + rb_cv_have_sc_[]m4_tolower($1)=yes, + rb_cv_have_sc_[]m4_tolower($1)=no) + ]) + AS_IF([test "$rb_cv_have_sc_[]m4_tolower($1)" = yes], [ + AC_DEFINE(HAVE__SC_$1) + ]) + ]) + RUBY_CHECK_SYSCONF(CLK_TCK) +]) + +AC_DEFUN([RUBY_STACK_GROW_DIRECTION], [ + AS_VAR_PUSHDEF([stack_grow_dir], [rb_cv_stack_grow_dir_$1]) + AC_CACHE_CHECK(stack growing direction on $1, stack_grow_dir, [ +AS_CASE(["$1"], +[m68*|x86*|x64|i?86|ia64|ppc*|sparc*|alpha*], [ $2=-1], +[hppa*], [ $2=+1], +[ + AC_TRY_RUN([ +/* recurse to get rid of inlining */ +static int +stack_growup_p(addr, n) + volatile int *addr, n; +{ + volatile int end; + if (n > 0) + return *addr = stack_growup_p(addr, n - 1); + else + return (&end > addr); +} +int main() +{ + int x; + return stack_growup_p(&x, 10); +} +], $2=-1, $2=+1, $2=0) + ]) +eval stack_grow_dir=\$$2]) +eval $2=\$stack_grow_dir +AS_VAR_POPDEF([stack_grow_dir])]) +AS_IF([test "${universal_binary-no}" = yes ], [ + archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'` + save_CFLAGS="$CFLAGS" new_cflags=`echo "$CFLAGS" | sed "s|$archflagpat"'||'` + save_LDFLAGS="$LDFLAGS" new_ldflags=`echo "$LDFLAGS" | sed "s|$archflagpat"'||'` + stack_dir= + for archs in ${universal_archnames}; do + archs=`echo $archs | sed 's/=.*//'` + CFLAGS="$new_cflags -arch $archs" + LDFLAGS="$new_ldflags -arch $archs" + RUBY_STACK_GROW_DIRECTION($archs, dir) + AS_IF([test x$stack_dir = x], [ + stack_dir=$dir + ], [test x$stack_dir != x$dir], [ + stack_dir=no + ]) + done + CFLAGS="$save_CFLAGS" LDFLAGS="$save_LDFLAGS" + AS_IF([test x$stack_dir = xno], [ + for archs in ${universal_archnames}; do + archs=`echo $archs | sed 's/=.*//'` + eval dir=\$[rb_cv_stack_grow_dir_]AS_TR_SH([$archs]) + RUBY_DEFINE_IF([defined __${archs}__], STACK_GROW_DIRECTION, $dir) + done + ], [ + AC_DEFINE_UNQUOTED(STACK_GROW_DIRECTION, $stack_dir) + ]) +], [ + RUBY_STACK_GROW_DIRECTION($target_cpu, dir) + AC_DEFINE_UNQUOTED(STACK_GROW_DIRECTION, $dir) +]) + +AS_IF([test x"$enable_pthread" = xyes], [ + for pthread_lib in thr pthread pthreads c c_r root; do + AC_CHECK_LIB($pthread_lib, pthread_kill, + rb_with_pthread=yes, rb_with_pthread=no) + AS_IF([test "$rb_with_pthread" = "yes"], [ break; fi + done + AS_IF([test x"$rb_with_pthread" = xyes], [ + AC_DEFINE(_REENTRANT) + AC_DEFINE(_THREAD_SAFE) + AC_DEFINE(HAVE_LIBPTHREAD) + AC_CHECK_HEADERS(pthread_np.h, [], [], [@%:@include <pthread.h>]) + AS_CASE([$pthread_lib], + [c], [], + [root], [], + [c_r], [MAINLIBS="-pthread $MAINLIBS"], + [AS_CASE(["$target_os"], + [openbsd*|mirbsd*], [LIBS="-pthread $LIBS"], + [LIBS="-l$pthread_lib $LIBS"])]) + ], [ + AC_MSG_WARN("Don't know how to find pthread library on your system -- thread support disabled") + ]) + AC_CACHE_CHECK([whether pthread_t is scalar type], [rb_cv_scalar_pthread_t], [ + AC_TRY_COMPILE([ + @%:@include <pthread.h> + ], [ + pthread_t thread_id; + thread_id = 0; + if (!thread_id) return 0; + ], [rb_cv_scalar_pthread_t=yes], [rb_cv_scalar_pthread_t=no]) + ]) + AS_IF([test x"$rb_cv_scalar_pthread_t" = xyes], [ + : # RUBY_CHECK_SIZEOF(pthread_t, [void* int long], [], [@%:@include <pthread.h>]) + ], [ + AC_DEFINE(NON_SCALAR_THREAD_ID) + ]) + AC_CHECK_FUNCS(sched_yield pthread_attr_setinheritsched \ + pthread_attr_get_np pthread_attr_getstack\ + pthread_get_stackaddr_np pthread_get_stacksize_np \ + thr_stksegment pthread_stackseg_np pthread_getthrds_np \ + pthread_cond_init pthread_condattr_setclock pthread_condattr_init \ + pthread_sigmask pthread_setname_np pthread_set_name_np) + AS_CASE(["$target_os"],[aix*],[ac_cv_func_pthread_getattr_np=no],[AC_CHECK_FUNCS(pthread_getattr_np)]) + AS_IF([test "${host_os}" = "nacl"], [ + ac_cv_func_pthread_attr_init=no + ], [ + AC_CHECK_FUNCS(pthread_attr_init) + ]) + set_current_thread_name= + AS_IF([test "$ac_cv_func_pthread_setname_np" = yes], [ + AC_CACHE_CHECK([arguments of pthread_setname_np], [rb_cv_func_pthread_setname_np_arguments], + [rb_cv_func_pthread_setname_np_arguments= + # Linux,AIX, (pthread_self(), name) + # NetBSD (pthread_self(), name, \"%s\") + # Darwin (name) + for mac in \ + "(pthread_self(), name)" \ + "(pthread_self(), name, \"%s\")" \ + "(name)" \ + ; do + AC_TRY_COMPILE([ + @%:@include <pthread.h> + @%:@ifdef HAVE_PTHREAD_NP_H + @%:@include <pthread_np.h> + @%:@endif + @%:@define SET_THREAD_NAME(name) pthread_setname_np${mac} + ], + [if (SET_THREAD_NAME("conftest")) return 1;], + [rb_cv_func_pthread_setname_np_arguments="${mac}" + break]) + done + ] + ) + AS_IF([test -n "${rb_cv_func_pthread_setname_np_arguments}"], [ + set_current_thread_name="pthread_setname_np${rb_cv_func_pthread_setname_np_arguments}" + ]) + ], [test "$ac_cv_func_pthread_set_name_np" = yes], [ + set_current_thread_name="pthread_set_name_np(pthread_self(), name)" + ]) + AS_IF([test -n "$set_current_thread_name"], [ + AC_DEFINE_UNQUOTED(SET_CURRENT_THREAD_NAME(name), $set_current_thread_name) + AS_CASE([$set_current_thread_name], + [*'pthread_self()'*], [ + set_another_thread_name=`echo "$set_current_thread_name" | sed 's/pthread_self()/thid/'` + AC_DEFINE_UNQUOTED(SET_ANOTHER_THREAD_NAME(thid,name), $set_another_thread_name) + ]) + ]) +]) + +AS_IF([test x"$ac_cv_header_ucontext_h" = xno], [ + AC_CACHE_CHECK([if signal.h defines ucontext_t], [rb_cv_ucontext_in_signal_h], + [AC_TRY_COMPILE([@%:@include <signal.h>], + [size_t size = sizeof(ucontext_t);], + [rb_cv_ucontext_in_signal_h=yes], [rb_cv_ucontext_in_signal_h=no])]) + AS_IF([test x"$rb_cv_ucontext_in_signal_h" = xyes], [ + AC_DEFINE_UNQUOTED(UCONTEXT_IN_SIGNAL_H, 1) + ]) +]) +AS_IF([test x"$ac_cv_header_ucontext_h" = xyes -o x"$rb_cv_ucontext_in_signal_h" = xyes], [ + AC_CACHE_CHECK([if mcontext_t is a pointer], [rb_cv_mcontext_t_ptr], + [AC_TRY_COMPILE([ + @%:@include <signal.h> + @%:@ifdef HAVE_UCONTEXT_H + @%:@include <ucontext.h> + @%:@endif + mcontext_t test(mcontext_t mc) {return mc+1;} + ], + [test(0);], + [rb_cv_mcontext_t_ptr=yes], [rb_cv_mcontext_t_ptr=no])]) + AS_IF([test x"$rb_cv_mcontext_t_ptr" = xyes], [ + AC_DEFINE_UNQUOTED(DEFINE_MCONTEXT_PTR(mc, uc), mcontext_t mc = (uc)->uc_mcontext) + ], [ + AC_DEFINE_UNQUOTED(DEFINE_MCONTEXT_PTR(mc, uc), mcontext_t *mc = &(uc)->uc_mcontext) + ]) + AS_IF([test x"$rb_with_pthread" = xyes], [ + AC_CHECK_FUNCS(getcontext setcontext) + ]) +]) + +AS_IF([test "$ac_cv_func_fork_works" = "yes" -a "$rb_with_pthread" = "yes"], [ + AC_CACHE_CHECK([if fork works with pthread], rb_cv_fork_with_pthread, + [AC_TRY_RUN([ +#include <stdlib.h> +#include <unistd.h> +#include <pthread.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <signal.h> +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif + +void * +thread_func(void *dmy) +{ + return dmy; +} + +int +use_threads(void) +{ + pthread_t tid; + if (pthread_create(&tid, 0, thread_func, 0) != 0) { + return -1; + } + if (pthread_join(tid, 0) != 0) { + return -1; + } + return 0; +} + +int +main(int argc, char *argv[]) +{ + pid_t pid; + if (use_threads()) return EXIT_FAILURE; + pid = fork(); + + if (pid) { + int loc; + sleep(1); + if (waitpid(pid, &loc, WNOHANG) == 0) { + kill(pid, SIGKILL); + return EXIT_FAILURE; + } + if (!WIFEXITED(loc) || WEXITSTATUS(loc) != EXIT_SUCCESS) + return EXIT_FAILURE; + } + else { + if (use_threads()) return EXIT_FAILURE; + } + + return EXIT_SUCCESS; +}], + rb_cv_fork_with_pthread=yes, + rb_cv_fork_with_pthread=no, + rb_cv_fork_with_pthread=yes)]) + test x$rb_cv_fork_with_pthread = xyes || AC_DEFINE(CANNOT_FORK_WITH_PTHREAD) +]) + + +} +{ # runtime section + +dnl wheather use dln_a_out or not +AC_ARG_WITH(dln-a-out, + AS_HELP_STRING([--with-dln-a-out], [use dln_a_out if possible]), + [ + AS_CASE([$withval], + [yes], [ + AS_IF([test "$enable_shared" = yes], [ + AC_MSG_ERROR(dln_a_out can not make shared library) + ]) + with_dln_a_out=yes], + [ + with_dln_a_out=no])], [with_dln_a_out=no]) + +AC_CACHE_CHECK(whether ELF binaries are produced, rb_cv_binary_elf, +[AC_TRY_LINK([],[], [ +AS_CASE(["`head -1 conftest$EXEEXT | tr -dc '\177ELF' | tr '\177' .`"], +[.ELF*], [rb_cv_binary_elf=yes], [rb_cv_binary_elf=no])], +rb_cv_binary_elf=no)]) + +AS_IF([test "$rb_cv_binary_elf" = yes], [ + AC_DEFINE(USE_ELF) + AS_IF([test "$with_dln_a_out" = yes], [ + AC_MSG_ERROR(dln_a_out does not work with ELF) + ]) + AC_CHECK_HEADERS([elf.h elf_abi.h]) + AS_IF([test $ac_cv_header_elf_h = yes -o $ac_cv_header_elf_abi_h = yes], [ + AC_LIBOBJ([addr2line]) + ]) +]) + +AS_CASE(["$target_os"], +[linux* | gnu* | k*bsd*-gnu | bsdi* | kopensolaris*-gnu | nacl], [ + AS_IF([test "$rb_cv_binary_elf" = no], [ + with_dln_a_out=yes + ], [ + LDFLAGS="$LDFLAGS -rdynamic" + ])]) +LIBEXT=a + +AC_SUBST(DLDFLAGS)dnl +AC_SUBST(ARCH_FLAG)dnl + +AC_SUBST(STATIC)dnl +AC_SUBST(CCDLFLAGS)dnl +AC_SUBST(LDSHARED)dnl +AC_SUBST(LDSHAREDXX)dnl +AC_SUBST(DLEXT)dnl +AC_SUBST(DLEXT2)dnl +AC_SUBST(LIBEXT)dnl +AC_SUBST(ASMEXT, S)dnl + +STATIC= + +AS_IF([test "$with_dln_a_out" != yes], [ + rb_cv_dlopen=unknown + AC_MSG_CHECKING(whether OS depend dynamic link works) + AS_IF([test "$GCC" = yes], [ + AS_CASE(["$target_os"], + [darwin*], [ + # The -fno-common is needed if we wish to embed the Ruby interpreter + # into a plugin module of some project (as opposed to embedding it + # within the project's application). The -I/usr/local/include is + # needed because CPP as discovered by configure (cc -E -traditional) + # fails to consult /usr/local/include by default. This causes + # mkmf.rb's have_header() to fail if the desired resource happens to be + # installed in the /usr/local tree. + RUBY_APPEND_OPTION(CCDLFLAGS, -fno-common)], + [bsdi*|cygwin*|mingw*|aix*|interix*], [ ], + [ + RUBY_APPEND_OPTION(CCDLFLAGS, -fPIC)]) + ], [ + AS_CASE(["$target_os"], + [hpux*], [CCDLFLAGS="$CCDLFLAGS +Z"], + [solaris*|irix*], [CCDLFLAGS="$CCDLFLAGS -KPIC"], + [sunos*], [CCDLFLAGS="$CCDLFLAGS -PIC"], + [esix*|uxpds*], [CCDLFLAGS="$CCDLFLAGS -KPIC"], + [: ${CCDLFLAGS=""}]) + ]) + + + AC_ARG_ENABLE(rpath, + AS_HELP_STRING([--enable-rpath], [embed run path into extension libraries. + enabled by default on ELF platforms]), + [enable_rpath=$enableval], [enable_rpath="$rb_cv_binary_elf"]) + + AS_CASE(["$target_os"], + [hpux*], [ DLDFLAGS="$DLDFLAGS -E" + : ${LDSHARED='$(LD) -b'} + XLDFLAGS="$XLDFLAGS -Wl,-E" + : ${LIBPATHENV=SHLIB_PATH} + rb_cv_dlopen=yes], + [solaris*], [ AS_IF([test "$GCC" = yes], [ + : ${LDSHARED='$(CC) -shared'} + AS_IF([test "$rb_cv_prog_gnu_ld" = yes], [ + LDFLAGS="$LDFLAGS -Wl,-E" + ]) + ], [ + : ${LDSHARED='$(CC) -G'} + ]) + AS_IF([test "$ac_cv_sizeof_voidp" = 8], [ + : ${LIBPATHENV=LD_LIBRARY_PATH_64} + : ${PRELOADENV=LD_PRELOAD_64} + ], [ + : ${LIBPATHENV=LD_LIBRARY_PATH_32} + : ${PRELOADENV=LD_PRELOAD_32} + ]) + rb_cv_dlopen=yes], + [sunos*], [ : ${LDSHARED='$(LD) -assert nodefinitions'} + rb_cv_dlopen=yes], + [irix*], [ : ${LDSHARED='$(LD) -shared'} + rb_cv_dlopen=yes], + [sysv4*], [ : ${LDSHARED='$(LD) -G'} + rb_cv_dlopen=yes], + [nto-qnx*], [ : ${LDSHARED='$(CC) -shared'} + rb_cv_dlopen=yes], + [esix*|uxpds*], [ : ${LDSHARED='$(LD) -G'} + rb_cv_dlopen=yes], + [osf*], [ : ${LDSHARED='$(LD) -shared -expect_unresolved "*"'} + rb_cv_dlopen=yes], + [bsdi3*], [ AS_CASE(["$CC"], + [*shlicc*], [ : ${LDSHARED='$(CC) -r'} + rb_cv_dlopen=yes])], + [linux* | gnu* | k*bsd*-gnu | netbsd* | bsdi* | kopensolaris*-gnu | haiku*], [ + : ${LDSHARED='$(CC) -shared'} + AS_IF([test "$rb_cv_binary_elf" = yes], [ + LDFLAGS="$LDFLAGS -Wl,-export-dynamic" + ]) + rb_cv_dlopen=yes], + [interix*], [ : ${LDSHARED='$(CC) -shared'} + XLDFLAGS="$XLDFLAGS -Wl,-E" + LIBPATHFLAG=" -L%1\$-s" + rb_cv_dlopen=yes], + [freebsd*|dragonfly*], [ + : ${LDSHARED='$(CC) -shared'} + AS_IF([test "$rb_cv_binary_elf" = yes], [ + LDFLAGS="$LDFLAGS -rdynamic" + DLDFLAGS="$DLDFLAGS "'-Wl,-soname,$@' + ], [ + test "$GCC" = yes && test "$rb_cv_prog_gnu_ld" = yes || LDSHARED='$(LD) -Bshareable' + ]) + rb_cv_dlopen=yes], + [openbsd*|mirbsd*], [ : ${LDSHARED='$(CC) -shared ${CCDLFLAGS}'} + AS_IF([test "$rb_cv_binary_elf" = yes], [ + LDFLAGS="$LDFLAGS -Wl,-E" + ]) + rb_cv_dlopen=yes], + [darwin*], [ : ${LDSHARED='$(CC) -dynamic -bundle'} + : ${LDFLAGS=""} + : ${LIBPATHENV=DYLD_LIBRARY_PATH} + : ${PRELOADENV=DYLD_INSERT_LIBRARIES} + rb_cv_dlopen=yes], + [aix*], [ : ${LDSHARED='$(CC)'} + LDSHARED="$LDSHARED ${linker_flag}-G" + EXTDLDFLAGS='-e$(TARGET_ENTRY)' + XLDFLAGS="${linker_flag}"'-bE:$(ARCHFILE)'" ${linker_flag}-brtl" + XLDFLAGS="$XLDFLAGS ${linker_flag}-blibpath:${prefix}/lib:${LIBPATH:-/usr/lib:/lib}" + : ${ARCHFILE="ruby.imp"} + TRY_LINK='$(CC) $(LDFLAGS) -oconftest $(INCFLAGS) -I$(hdrdir) $(CPPFLAGS)' + TRY_LINK="$TRY_LINK"' $(CFLAGS) $(src) $(LIBPATH) $(LOCAL_LIBS) $(LIBS)' + : ${LIBPATHENV=LIBPATH} + rb_cv_dlopen=yes], + [nto-qnx*], [ DLDFLAGS="$DLDFLAGS -L/lib -L/usr/lib -L/usr/local/lib" + : ${LDSHARED='$(LD) -Bshareable -x'} + LDFLAGS="$LDFLAGS -L/lib -L/usr/lib -L/usr/local/lib" + rb_cv_dlopen=yes], + [cygwin*|mingw*], [ + : ${LDSHARED='$(CC) -shared'} + XLDFLAGS="$XLDFLAGS -Wl,--stack,0x00200000,--enable-auto-import" + DLDFLAGS="${DLDFLAGS} -Wl,--enable-auto-image-base,--enable-auto-import" + : ${LIBPATHENV=PATH} + : ${PRELOADENV=""} + rb_cv_dlopen=yes], + [hiuxmpp], [ : ${LDSHARED='$(LD) -r'}], + [atheos*], [ : ${LDSHARED='$(CC) -shared'} + rb_cv_dlopen=yes], + [nacl], [ LDSHARED='$(CC) -shared' ], + [ : ${LDSHARED='$(LD)'}]) + AC_MSG_RESULT($rb_cv_dlopen) + + AS_IF([test "$rb_cv_dlopen" = yes], [ + AS_CASE(["$target_os"], + [darwin*], [ + for flag in \ + "-undefined dynamic_lookup" \ + "-multiply_defined suppress" \ + ; do + test "x${linker_flag}" = x || flag="${linker_flag}`echo ${flag} | tr ' ' ,`" + RUBY_TRY_LDFLAGS([$flag], [], [flag=]) + AS_IF([test "x$flag" != x], [ + RUBY_APPEND_OPTIONS(DLDFLAGS, [$flag]) + ]) + done + ]) + ]) + + AS_IF([test "$enable_rpath:${RPATHFLAG}" = yes:], [ + AS_IF([test "x$rpathflag" != x], [ + RPATHFLAG=" ${rpathflag}%1\$-s" + ]) + ]) +]) +AS_IF([test "${LDSHAREDXX}" = ""], [ + AS_CASE(["${LDSHARED}"], + [*'$(CC)'*], [ + LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\$(CC)/$(CXX)/'` + ], + [*'${CC}'*], [ + LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\${CC}/${CXX}/'` + ], + [*$CC*], [ + LDSHAREDXX=`echo "${LDSHARED}" | sed "s|$CC|$CXX|"` + ], + [ld" "*], [ + ]) +]) +AS_CASE([${RPATHFLAG}],[*'%1$'*],[: ${LIBPATHFLAG=' -L%1$-s'}],[: ${LIBPATHFLAG=' -L%s'}]) + +AC_SUBST(LINK_SO) +AC_SUBST(LIBPATHFLAG) +AC_SUBST(RPATHFLAG) +AC_SUBST(LIBPATHENV, "${LIBPATHENV-LD_LIBRARY_PATH}") +AC_SUBST(PRELOADENV, "${PRELOADENV-LD_PRELOAD}") +AC_SUBST(TRY_LINK) + +AS_IF([test "x$OPT_DIR" != x], [ + pat=`echo "${LDFLAGS_OPTDIR}" | sed ['s/[][\\.*|]/\\\\&/']` + LDFLAGS=`echo "${LDFLAGS}" | sed "s| ${pat}||"` + val=`IFS="$PATH_SEPARATOR" + for dir in $OPT_DIR; do + echo x ${LIBPATHFLAG} ${RPATHFLAG} | + sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${dir}/lib${IFS}g;s${IFS}%s${IFS}${dir}/lib${IFS}g" + done | tr '\012' ' ' | sed 's/ *$//'` + AS_IF([test x"$val" != x], [ + test x"${LDFLAGS}" = x || LDFLAGS="$LDFLAGS " + LDFLAGS="$LDFLAGS$val" + test x"${DLDFLAGS}" = x || DLDFLAGS="$DLDFLAGS " + DLDFLAGS="$DLDFLAGS$val" + ]) + LDFLAGS_OPTDIR="$val" +]) + +AS_CASE(["$target_os"], +[freebsd*], [ + AC_CHECK_LIB([procstat], [procstat_open_sysctl]) + AS_IF([test "x$ac_cv_lib_procstat_procstat_open_sysctl" = xyes], [ + AC_CHECK_FUNCS(procstat_getvmmap) + ]) + ]) +AS_CASE(["$target_cpu-$target_os"], +[*-darwin*], [ + AC_CHECK_HEADERS([execinfo.h]) + AS_IF([test "x$ac_cv_header_execinfo_h" = xyes], [ + AC_CHECK_LIB([execinfo], [backtrace]) + AC_CHECK_HEADERS([libunwind.h]) + ])], +[*-freebsd*|x86_64-netbsd*], [ + AC_CHECK_HEADERS([execinfo.h]) + AS_IF([test "x$ac_cv_header_execinfo_h" = xyes], [ + AC_CHECK_LIB([execinfo], [backtrace]) + AC_CHECK_LIB([unwind], [unw_backtrace]) + ])]) +AC_CHECK_FUNCS(backtrace) + +AS_IF([test "x$ac_cv_func_backtrace" = xyes], [ + AC_CACHE_CHECK(for broken backtrace, rb_cv_broken_backtrace, + [AC_TRY_RUN([ +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <signal.h> +#include <execinfo.h> + +#define TRACE_SIZE 256 + +void sigsegv(int signum, siginfo_t *info, void *ctx){ + void *trace[TRACE_SIZE]; + int n = backtrace(trace, TRACE_SIZE); + if (n > 0) { + /*fprintf(stdout, "backtrace:%d\n",n);*/ + } else { + _exit(EXIT_FAILURE); + } + _exit(EXIT_SUCCESS); +} +int +main(void) +{ + volatile int *a = NULL; + stack_t ss; + ss.ss_sp = malloc(SIGSTKSZ); + if (ss.ss_sp == NULL) { + fprintf(stderr, "cannot allocate memory for sigaltstack\n"); + return EXIT_FAILURE; + } + ss.ss_size = SIGSTKSZ; + ss.ss_flags = 0; + if (sigaltstack(&ss, NULL) == -1) { + fprintf(stderr, "sigaltstack failed\n"); + return EXIT_FAILURE; + } + struct sigaction sa; + memset(&sa, 0, sizeof(struct sigaction)); + sigemptyset(&sa.sa_mask); + sa.sa_sigaction = sigsegv; + sa.sa_flags |= SA_SIGINFO; + sa.sa_flags |= SA_ONSTACK; + sigaction(SIGSEGV, &sa, NULL); + a[0] = 1; + return EXIT_SUCCESS; +} +], + rb_cv_broken_backtrace=no, + rb_cv_broken_backtrace=yes, + rb_cv_broken_backtrace=no)]) + AS_IF([test "$rb_cv_broken_backtrace" = yes], [ + AC_DEFINE(BROKEN_BACKTRACE, 1) + ]) +]) + +AC_ARG_WITH(valgrind, + AS_HELP_STRING([--without-valgrind],[disable valgrind memcheck support]), + [], with_valgrind=yes) +AS_IF([test x$with_valgrind != xno], + [AC_CHECK_HEADERS(valgrind/memcheck.h)]) + +dln_a_out_works=no +AS_IF([test "$ac_cv_header_a_out_h" = yes], [ + AS_IF([test "$with_dln_a_out" = yes || test "$rb_cv_dlopen" = unknown], [ + cat confdefs.h > config.h + AC_CACHE_CHECK(whether matz's dln works, rb_cv_dln_a_out, + [AC_TRY_COMPILE([ +#define USE_DLN_A_OUT +#include "dln.c" +], + [], + rb_cv_dln_a_out=yes, + rb_cv_dln_a_out=no)]) + AS_IF([test "$rb_cv_dln_a_out" = yes], [ + dln_a_out_works=yes + AC_DEFINE(USE_DLN_A_OUT) + ]) + ]) +]) + +AS_IF([test "$dln_a_out_works" = yes], [ + AS_IF([test "$GCC" = yes], [ + STATIC=-static + ], [ + STATIC=-Bstatic + ]) + DLEXT=so + CCDLFLAGS= +], [ + AS_CASE(["$target_os"], + [hpux*], [ + DLEXT=sl], + [darwin*], [ + RUBY_APPEND_OPTION(XLDFLAGS, [-Wl,-u,_objc_msgSend]) + DLEXT=bundle], + [cygwin*|mingw*|*djgpp*], [ + LOAD_RELATIVE=1 + DLEXT=so], + [ + DLEXT=so]) +]) +AS_IF([test "$rb_cv_dlopen:$load_relative" = yes:yes], [ + AS_IF([test "$ac_cv_func_dladdr" = yes], [ + LOAD_RELATIVE=1 + ]) +]) +AS_IF([test x"$LOAD_RELATIVE" = x1], [ + load_relative=yes +], [ + unset load_relative +]) + +len=2 # .rb +n=`expr "$DLEXT" : '.*'`; test "$n" -gt "$len" && len=$n +n=`expr "$DLEXT2" : '.*'`; test "$n" -gt "$len" && len=$n +AC_DEFINE_UNQUOTED(DLEXT_MAXLEN, `expr $len + 1`) +test ".$DLEXT" = "." || AC_DEFINE_UNQUOTED(DLEXT, ".$DLEXT") +test ".$DLEXT2" = "." || AC_DEFINE_UNQUOTED(DLEXT2, ".$DLEXT2") +AC_SUBST(DLEXT) + +AS_IF([test "$with_dln_a_out" = yes], [ + STRIP=true +], [ + AC_CHECK_TOOL(STRIP, strip, :)dnl +]) + +AS_CASE(["$target_os"], + [linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu], [ + STRIP="$STRIP -S -x"], + [darwin*], [ + STRIP="$STRIP -A -n"]) + +AC_ARG_WITH(ext, + AC_HELP_STRING([--with-ext=EXTS], + [pass to --with-ext option of extmk.rb])) +AC_ARG_WITH(out-ext, + AC_HELP_STRING([--with-out-ext=EXTS], + [pass to --without-ext option of extmk.rb])) +EXTSTATIC= +AC_SUBST(EXTSTATIC)dnl +AC_ARG_WITH(static-linked-ext, + AS_HELP_STRING([--with-static-linked-ext], [link external modules statically]), + [AS_CASE([$withval],[yes],[STATIC=;EXTSTATIC=static],[no],[],[EXTSTATIC="$withval"])]) +AS_CASE([",$EXTSTATIC,"], [,static,|*,enc,*], [ + ENCOBJS='enc/encinit.$(OBJEXT) enc/libenc.$(LIBEXT) enc/libtrans.$(LIBEXT)' + EXTOBJS='ext/extinit.$(OBJEXT)' + AC_DEFINE_UNQUOTED(EXTSTATIC, 1) + AC_SUBST(ENCSTATIC, static) +], [ + ENCOBJS='dmyenc.$(OBJEXT)' + EXTOBJS='dmyext.$(OBJEXT)' +]) +AC_SUBST(ENCOBJS) +AC_SUBST(EXTOBJS) + +AC_ARG_WITH(setup, + AS_HELP_STRING([--with-setup=SETUP], [use extension libraries setup]), + [setup=$withval]) +AS_IF([test -n "$setup"], [ + AS_IF([! test -f "ext/$setup" -o -f "$srcdir/ext/$setup"], [ + AC_MSG_ERROR(Setup file $setup not found under ext or $srcdir/ext) + ]) +], [test -f "$srcdir/ext/Setup.$target_os"], [ + setup="Setup.$target_os" +], [ + setup= + for file in "$srcdir"/ext/Setup.*; do + AS_CASE(["$file"], [*~|*.bak|*.orig|*.rej|*.tmp], [continue]) + setup=`basename "$file"` + AS_CASE(["$target_os"], [`expr "$setup" : 'Setup.\(.*\)'`*], [break]) + platform=`sed '/^option *platform */!d;s///;s/|/*|/g;q' "$file"` + AS_IF([test "x$platform" != x], [ + eval "AS_CASE([\"\$target_os\"], [$platform*], [break])" + ]) + setup= + done + : ${setup:=Setup} +]) +AC_SUBST(setup) + +rubylibprefix='${libdir}/${RUBY_BASE_NAME}' +AC_ARG_WITH(rubylibprefix, + AS_HELP_STRING([--with-rubylibprefix=DIR], [prefix for ruby libraries [[LIBDIR/RUBY_BASE_NAME]]]), + [AS_IF([test "x$withval" = xno], [ + AC_MSG_ERROR([No ruby, No libprefix]) + ]) + rubylibprefix="$withval"]) +AC_SUBST(rubylibprefix) + +AS_IF([test x"${exec_prefix}" != xNONE], [ + RUBY_EXEC_PREFIX="$exec_prefix" +], [test x"$prefix" != xNONE], [ + RUBY_EXEC_PREFIX="$prefix" +], [ + RUBY_EXEC_PREFIX=$ac_default_prefix +]) +pat=`echo "${RUBY_EXEC_PREFIX}" | tr -c '\012' .`'\(.*\)' +for var in bindir libdir rubylibprefix; do + eval val='"$'$var'"' + AS_CASE(["$val"], ["${RUBY_EXEC_PREFIX}"*], [val='${exec_prefix}'"`expr \"$val\" : \"$pat\"`"]) + eval $var='"$val"' +done + +BTESTRUBY='$(MINIRUBY)' +AS_IF([test x"$cross_compiling" = xyes], [ + test x"$MINIRUBY" = x && MINIRUBY="${RUBY-$BASERUBY} -I`$CHDIR .; pwd` "-r'$(arch)-fake' + XRUBY_LIBDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["libdir"]']` + XRUBY_RUBYLIBDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["rubylibdir"]']` + XRUBY_RUBYHDRDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["rubyhdrdir"]']` + AC_SUBST(XRUBY_LIBDIR) + AC_SUBST(XRUBY_RUBYLIBDIR) + AC_SUBST(XRUBY_RUBYHDRDIR) + PREP='$(arch)-fake.rb' + RUNRUBY_COMMAND='$(MINIRUBY) -I`cd $(srcdir)/lib; pwd`' + RUNRUBY='$(RUNRUBY_COMMAND)' + XRUBY='$(MINIRUBY)' + BOOTSTRAPRUBY='$(BASERUBY)' + TEST_RUNNABLE=no + CROSS_COMPILING=yes + + AS_IF([test "$host_os" = "nacl"], [ + AS_IF([test "$build_cpu" = "$host_cpu" || test "${nacl_cv_cpu_nick}" = "x86" -a "$host_cpu" = "i686"], [ + nacl_cv_sel_ldr='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb sel_ldr`' + nacl_cv_irt_core='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb irt_core`' + nacl_cv_runnable_ld='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb runnable_ld`' + nacl_cv_host_lib='`$(MINIRUBY) $(srcdir)/nacl/nacl-config.rb host_lib`' + TEST_RUNNABLE=yes + BTESTRUBY="${nacl_cv_sel_ldr} -a -B ${nacl_cv_irt_core} -w 1:3 -w 2:4" + BTESTRUBY="$BTESTRUBY -- ${nacl_cv_runnable_ld} --library-path ${nacl_cv_host_lib}" + BTESTRUBY="$BTESTRUBY `pwd`/"'miniruby$(EXEEXT) -I`cd $(srcdir)/lib; pwd` -I.' + BTESTRUBY="$BTESTRUBY"' -I$(EXTOUT)/common 3>&1 4>&2 1>/dev/null 2>/dev/null ' + ]) + ]) +], [ + MINIRUBY='./miniruby$(EXEEXT) -I$(srcdir)/lib -I.' + MINIRUBY="$MINIRUBY"' -I$(EXTOUT)/common' + PREP='miniruby$(EXEEXT)' + RUNRUBY_COMMAND='$(MINIRUBY) $(srcdir)/tool/runruby.rb --extout=$(EXTOUT) $(RUNRUBYOPT)' + RUNRUBY='$(RUNRUBY_COMMAND) --' + XRUBY='$(RUNRUBY)' + BOOTSTRAPRUBY='$(MINIRUBY)' + TEST_RUNNABLE=yes + CROSS_COMPILING=no +]) +AC_SUBST(TEST_RUNNABLE) +AC_SUBST(CROSS_COMPILING) +AC_SUBST(MINIRUBY) +AC_SUBST(BTESTRUBY) +AC_SUBST(PREP) +AC_SUBST(RUNRUBY_COMMAND) +AC_SUBST(RUNRUBY) +AC_SUBST(XRUBY) +AC_SUBST(BOOTSTRAPRUBY) +AC_SUBST(EXTOUT, [${EXTOUT=.ext}]) + +])RSTMAKEFILE="" +LIBRUBY_A='lib$(RUBY_SO_NAME)-static.a' +LIBRUBY='$(LIBRUBY_A)' +LIBRUBYARG_STATIC='-l$(RUBY_SO_NAME)-static' +LIBRUBYARG='$(LIBRUBYARG_STATIC)' +SOLIBS= + +AS_CASE(["$target_os"], + [cygwin*|mingw*|haiku*|darwin*], [ + : ${DLDLIBS=""} + ], + [ + DLDLIBS="$DLDLIBS -lc" + ]) + +AC_ARG_ENABLE(multiarch, + AS_HELP_STRING([--enable-multiarch], [enable multiarch compatible directories]), + [multiarch=], [unset multiarch]) +AS_IF([test ${multiarch+set}], [ + AC_DEFINE(ENABLE_MULTIARCH) +]) + +archlibdir='${libdir}/${arch}' +sitearchlibdir='${libdir}/${sitearch}' +archincludedir='${includedir}/${arch}' +sitearchincludedir='${includedir}/${sitearch}' + +AC_ARG_WITH(soname, + AS_HELP_STRING([--with-soname=SONAME], [base name of shared library]), + [RUBY_SO_NAME=$withval], + [ + AS_CASE(["$target_os"], + [darwin*], [ + RUBY_SO_NAME='$(RUBY_BASE_NAME).$(RUBY_PROGRAM_VERSION)' + ], + [cygwin*], [ + RUBY_SO_NAME='$(RUBY_BASE_NAME)$(MAJOR)$(MINOR)0' + ], + [mingw*], [ + RUBY_SO_NAME="${rb_cv_msvcrt}"'-$(RUBY_BASE_NAME)$(MAJOR)$(MINOR)0' + AS_IF([test x"${target_cpu}" != xi386], [ + RUBY_SO_NAME="${target_cpu}-${RUBY_SO_NAME}" + ]) + ], + [RUBY_SO_NAME='$(RUBY_BASE_NAME)']) + ]) + +LIBRUBY_LDSHARED=$LDSHARED +LIBRUBY_DLDFLAGS=$DLDFLAGS +LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(RUBY_PROGRAM_VERSION)' +LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so' +ENABLE_SHARED=no + +AC_ARG_ENABLE(shared, + AS_HELP_STRING([--enable-shared], [build a shared library for Ruby]), + [enable_shared=$enableval]) +libprefix=${multiarch+'$(archlibdir)'}${multiarch-'$(libdir)'} +LIBRUBY_RELATIVE=${load_relative-no} +AS_CASE("$enable_shared", [yes], [ + LIBRUBY='$(LIBRUBY_SO)' + LIBRUBYARG_SHARED='-l$(RUBY_SO_NAME)' + LIBRUBYARG='$(LIBRUBYARG_SHARED)' + LIBRUBY_RELATIVE=no + test -z "$CCDLFLAGS" || CFLAGS="$CFLAGS $CCDLFLAGS" + ENABLE_SHARED=yes + AS_IF([test "$rb_cv_binary_elf" = yes], [ + SOLIBS='$(LIBS)' + ]) + + # libdir can be overridden in config.site file (on OpenSUSE at least). + libdir_basename=lib + AS_IF([test "$bindir" = '${exec_prefix}/bin'], [ + AS_CASE(["$libdir"], ['${exec_prefix}/'*], [libdir_basename=`basename "$libdir"`]) + ]) + AC_DEFINE_UNQUOTED(LIBDIR_BASENAME, ["${libdir_basename}"]) + libdir_basename="${libdir_basename}"${multiarch+'/${arch}'} + + AS_CASE(["$target_os"], + [freebsd*|dragonfly*], [], + [ + AS_IF([test "$GCC" = yes], [ + RUBY_TRY_LDFLAGS([${linker_flag}--no-undefined], [no_undefined=yes], [no_undefined=no]) + AS_IF([test "no_undefined" = yes], [ + RUBY_APPEND_OPTION(EXTLDFLAGS, [${linker_flag}--no-undefined]) + ]) + ]) + ]) + + AS_CASE(["$target_os"], + [sunos4*], [ + LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(RUBY_API_VERSION) lib$(RUBY_SO_NAME).so' + ], + [linux* | gnu* | k*bsd*-gnu | atheos* | kopensolaris*-gnu | haiku*], [ + RUBY_APPEND_OPTIONS(LIBRUBY_DLDFLAGS, ['-Wl,-soname,lib$(RUBY_SO_NAME).so.$(RUBY_API_VERSION)' "$LDFLAGS_OPTDIR"]) + LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(RUBY_API_VERSION) lib$(RUBY_SO_NAME).so' + AS_IF([test "$load_relative" = yes], [ + libprefix="'\$\${ORIGIN}/../${libdir_basename}'" + LIBRUBY_RPATHFLAGS="-Wl,-rpath,${libprefix}" + LIBRUBY_RELATIVE=yes + ]) + ], + [freebsd*|dragonfly*], [ + SOLIBS='$(LIBS)' + LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR)' + AS_IF([test "$rb_cv_binary_elf" != "yes" ], [ + LIBRUBY_SO="$LIBRUBY_SO.\$(TEENY)" + LIBRUBY_ALIASES='' + ]) + ], + [netbsd*], [ + SOLIBS='$(LIBS)' + LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR).$(TEENY)' + RUBY_APPEND_OPTIONS(LIBRUBY_DLDFLAGS, ['-Wl,-soname,lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR)' "$LDFLAGS_OPTDIR"]) + AS_IF([test "$rb_cv_binary_elf" = yes], [ # ELF platforms + LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR) lib$(RUBY_SO_NAME).so' + ], [ # a.out platforms + LIBRUBY_ALIASES="" + ]) + ], + [openbsd*|mirbsd*], [ + SOLIBS='$(LIBS)' + LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR).'`expr ${MINOR} \* 10 + ${TEENY}` + ], + [solaris*], [ + SOLIBS='$(LIBS)' + LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)' + LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(RUBY_PROGRAM_VERSION) lib$(RUBY_SO_NAME).so' + AS_IF([test "$GCC" = yes], [ + LIBRUBY_DLDFLAGS="$DLDFLAGS "'-Wl,-h,$(@F)' + ], [ + LIBRUBY_DLDFLAGS="$DLDFLAGS "'-h $(@F)' + ]) + XLDFLAGS="$XLDFLAGS "'-R${libdir}' + ], + [hpux*], [ + XLDFLAGS="$XLDFLAGS "'-Wl,+s,+b,$(libdir)' + LIBRUBY_SO='lib$(RUBY_SO_NAME).sl.$(RUBY_PROGRAM_VERSION)' + LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).sl.$(RUBY_API_VERSION) lib$(RUBY_SO_NAME).sl' + ], + [aix*], [ + RUBY_APPEND_OPTIONS(LIBRUBY_DLDFLAGS, ["${linker_flag}-bnoentry" "$XLDFLAGS" "$LDFLAGS_OPTDIR"]) + LIBRUBYARG_SHARED='-L${libdir} -l${RUBY_SO_NAME}' + SOLIBS='-lm -lc' + ], + [darwin*], [ + LIBRUBY_LDSHARED='$(CC) -dynamiclib' + AS_IF([test "$load_relative" = yes], [ + libprefix="@executable_path/../${libdir_basename}" + LIBRUBY_RELATIVE=yes + ]) + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-install_name '${libprefix}'/lib$(RUBY_BASE_NAME).$(RUBY_API_VERSION).dylib' + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-compatibility_version $(RUBY_API_VERSION)' + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-current_version $(RUBY_PROGRAM_VERSION)' + AS_IF([test "$visibility_option" = ld], [ + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_Init_*' + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_ruby_static_id_*' + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,*_threadptr_*' + ]) + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "' $(XLDFLAGS)' + LIBRUBY_SO='lib$(RUBY_SO_NAME).dylib' + LIBRUBY_ALIASES='lib$(RUBY_BASE_NAME).$(RUBY_API_VERSION).dylib lib$(RUBY_INSTALL_NAME).dylib' + SOLIBS='$(LIBS)' + ], + [interix*], [ + LIBRUBYARG_SHARED='-L. -L${libdir} -l$(RUBY_SO_NAME)' + ], + [mingw*|cygwin*|mswin*], [ + LIBRUBY_RELATIVE=yes + ]) +], [ + LIBRUBYARG_SHARED= + + # enable PIE if possible + AC_ARG_ENABLE(pie, + AS_HELP_STRING([--disable-pie], [disable PIE feature]), + [pie=$enableval], [pie=]) + AS_CASE(["$target_os"], + [nacl], [ + # -pie implies -shared for NaCl. + pie=no + ]) + AS_IF([test "$GCC" = yes -a -z "$EXTSTATIC" -a "x$pie" != xno], [ + RUBY_TRY_CFLAGS(-fPIE, [pie=yes], [pie=no]) + AS_IF([test "$pie" = yes], [ + # Use -fPIE when testing -pie. RUBY_TRY_LDFLAGS sets + # $save_CFLAGS internally, so set other name here. + save_CFLAGS_before_pie="$CFLAGS" + CFLAGS="$CFLAGS -fPIE" + + # gcc need -pie but clang need -Wl,-pie. + for pie in -pie -Wl,-pie; do + RUBY_TRY_LDFLAGS([$pie], [], [pie=]) + AS_IF([test "x$pie" != x], [ + RUBY_APPEND_OPTION(XCFLAGS, -fPIE) + RUBY_APPEND_OPTION(XLDFLAGS, $pie) + break + ]) + done + CFLAGS="$save_CFLAGS_before_pie" + ]) + ]) +]) +AS_IF([test "$enable_rpath" = yes], [ + test -z "$LIBRUBY_RPATHFLAGS" || LIBRUBY_RPATHFLAGS="$LIBRUBY_RPATHFLAGS " + rpathflag="${RPATHFLAG}" + AS_CASE(["${cross_compiling}${load_relative}"], [*yes*], [], [rpathflag="$RPATHFLAG$LIBPATHFLAG"]) + rpathflag=`IFS="$PATH_SEPARATOR" + echo x "$rpathflag" | + sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${libprefix}${IFS}g;s${IFS}%s${IFS}${libprefix}${IFS}g" + ` + LIBRUBY_RPATHFLAGS="$LIBRUBY_RPATHFLAGS${rpathflag}" + LIBRUBYARG_SHARED="$LIBRUBY_RPATHFLAGS $LIBRUBYARG_SHARED" + LIBRUBYARG_STATIC="$LIBRUBY_RPATHFLAGS $LIBRUBYARG_STATIC" +]) +AC_SUBST(LIBRUBY_RELATIVE) + +LDFLAGS="-L. $LDFLAGS" +AC_SUBST(ARCHFILE) + +AS_IF([test "$EXEEXT" = .exe], [ + EXECUTABLE_EXTS='".exe",".com",".cmd",".bat"' + AC_DEFINE_UNQUOTED(EXECUTABLE_EXTS, $EXECUTABLE_EXTS) + EXECUTABLE_EXTS=`echo $EXECUTABLE_EXTS | tr -d '"' | tr , ' '` + AC_SUBST(EXECUTABLE_EXTS) +]) + +AS_CASE("$cross_compiling:${LIBPATHENV}", [yes:* | no:], [], [ + AC_MSG_CHECKING(whether wrapper for $LIBPATHENV is needed) + AS_IF([env ${LIBPATHENV}=/lib /bin/sh -c ': ${'${LIBPATHENV}'?}' 2>/dev/null], + [AC_MSG_RESULT(no)], + [PREP="$PREP"' exe/$(PROGRAM)' + AC_MSG_RESULT(yes)] + ) +]) + +AC_ARG_ENABLE(dtrace, + AS_HELP_STRING([--enable-dtrace], + [enable DTrace for tracing inside ruby. enabled by default on systems having dtrace]), + [enable_dtrace=$enableval], [enable_dtrace=auto]) + +LIBRUBY_A_OBJS='$(OBJS)' +DTRACE_REBUILD= +AS_CASE(["${enable_dtrace}"], +[yes|auto], [ + RUBY_DTRACE_AVAILABLE() +], [ + rb_cv_dtrace_available=no +]) +AS_IF([test "${enable_dtrace}" = yes], [dnl + AS_IF([test -z "$DTRACE"], [dnl + AC_MSG_ERROR([dtrace(1) is missing]) + ], [test "$cross_compiling" = yes], [dnl + AC_MSG_ERROR([--enable-dtrace, however, cross compiling]) + ], [test "${rb_cv_dtrace_available}" = "no"], [dnl + AC_MSG_ERROR([--enable-dtrace, however, USDT is not available]) + ]) +]) +AS_CASE([$rb_cv_dtrace_available], +[yes*], [dnl + RUBY_DTRACE_POSTPROCESS() + AS_IF([test "$rb_cv_prog_dtrace_g" != no], [dnl + DTRACE_OBJ='probes.$(OBJEXT)' + ]) + AS_IF([test "$rb_cv_prog_dtrace_g" = rebuild], [dnl + DTRACE_REBUILD=yes + LIBRUBY_A_OBJS='$(DTRACE_GLOMMED_OBJ)' + ]) + AS_CASE("${target_os}", [freebsd*], [dnl + # FreeBSD's dtrace requires libelf + LIBS="-lelf $LIBS" + ]) + DTRACE_EXT=d +], [dnl + enable_dtrace=no + DTRACE_EXT=dmyh +]) +AC_SUBST(DTRACE_EXT) +AC_SUBST(DTRACE_OBJ) +AC_SUBST(DTRACE_REBUILD) +AC_SUBST(DTRACE_OPT) +AC_SUBST(LIBRUBY_A_OBJS) + +AC_ARG_ENABLE(gcov, + AS_HELP_STRING([--enable-gcov], [enable coverage measurement by gcov]), + [gcov=yes]) +AS_IF([test x"$gcov" = xyes], [ + CFLAGS="$CFLAGS -coverage" + LDFLAGS="$LDFLAGS -coverage" +]) + +RUBY_SETJMP_TYPE +} +{ # build section + +dnl build rdoc index if requested +RDOCTARGET="" +CAPITARGET="" +AC_ARG_ENABLE(install-doc, + AS_HELP_STRING([--disable-install-doc], [do not install either rdoc indexes or C API documents during install]), + [install_doc=$enableval], [install_doc=yes]) +AC_ARG_ENABLE(install-rdoc, + AS_HELP_STRING([--disable-install-rdoc], [do not install rdoc indexes during install]), + [install_rdoc=$enableval], [install_rdoc=yes]) +AC_ARG_ENABLE(install-capi, + AS_HELP_STRING([--disable-install-capi], [do not install C API documents during install]), + [install_capi=$enableval], [install_capi=no]) + +AS_IF([test "$install_doc" != no], [ + AS_IF([test "$install_rdoc" != no], [ + RDOCTARGET="rdoc" + ], [ + RDOCTARGET="nodoc" + ]) + AS_IF([test "$install_capi" != no -a -n "$DOXYGEN"], [ + CAPITARGET="capi" + ], [ + CAPITARGET="nodoc" + ]) +], [ + RDOCTARGET="nodoc" + CAPITARGET="nodoc" +]) + +AC_SUBST(RDOCTARGET) +AC_SUBST(CAPITARGET) + +AS_CASE(["$RDOCTARGET:$CAPITARGET"],[nodoc:nodoc],[INSTALLDOC=nodoc],[INSTALLDOC=all]) +AC_SUBST(INSTALLDOC) + +AC_ARG_ENABLE(install-static-library, + AS_HELP_STRING([--disable-install-static-library], [do not install static ruby library]), + [INSTALL_STATIC_LIBRARY=$enableval], + AS_IF([test x"$enable_shared" = xyes], + [INSTALL_STATIC_LIBRARY=no], + [INSTALL_STATIC_LIBRARY=yes])) +AC_SUBST(INSTALL_STATIC_LIBRARY) + +AS_IF([test "$rb_with_pthread" = "yes"], [ + THREAD_MODEL=pthread +]) +AC_CACHE_CHECK([for prefix of external symbols], rb_cv_symbol_prefix, [ + AC_TRY_COMPILE([extern void conftest_external(void) {}], [], [ + rb_cv_symbol_prefix=`$NM conftest.$ac_objext | + sed -n ['/.*T[ ]\([^ ]*\)conftest_external.*/!d;s//\1/p;q']` + ], + [rb_cv_symbol_prefix='']) + test -n "$rb_cv_symbol_prefix" || rb_cv_symbol_prefix=NONE +]) +SYMBOL_PREFIX="$rb_cv_symbol_prefix" +test "x$SYMBOL_PREFIX" = xNONE && SYMBOL_PREFIX='' +DLNOBJ=dln.o +AC_ARG_ENABLE(dln, + AC_HELP_STRING([--disable-dln], [disable dynamic link feature]), + [test "$enableval" = yes || DLNOBJ=dmydln.o]) +AC_SUBST(DLNOBJ) +MINIDLNOBJ=dmydln.o + +AS_CASE(["$target_os"], + [linux*], [ + ], + [netbsd*], [ + RUBY_APPEND_OPTION(CFLAGS, -pipe) + ], + [darwin*], [ + RUBY_APPEND_OPTION(CFLAGS, -pipe) + RUBY_APPEND_OPTION(XLDFLAGS, [-framework CoreFoundation]) + RUBY_APPEND_OPTION(LIBRUBYARG_STATIC, [-framework CoreFoundation]) + ], + [osf*], [ + AS_IF([test "$GCC" != "yes" ], [ + # compile something small: taint.c is fine for this. + # the main point is the '-v' flag of 'cc'. + AS_CASE(["`cc -v -I. -c main.c -o /tmp/main.o 2>&1`"], + [*/gemc_cc*], [ # we have the new DEC GEM CC + CFLAGS="$CFLAGS -oldc" + ], + [ # we have the old MIPS CC + ]) + # cleanup + rm -f /tmp/main.o + CFLAGS="$CFLAGS -std" + ]) + ], + [cygwin*|mingw*], [ + LIBRUBY_DLDFLAGS="${DLDFLAGS}"' -Wl,--out-implib=$(LIBRUBY)' + AS_CASE(["$target_os"], + [cygwin*], [ + AS_IF([test x"$enable_shared" = xyes], [ + LIBRUBY_SO='cyg$(RUBY_SO_NAME)'.dll + LIBRUBY_DLDFLAGS="${LIBRUBY_DLDFLAGS}"' $(RUBYDEF)' + ]) + ], + [mingw*], [ + AS_IF([test x"$enable_shared" = xyes], [ + LIBRUBY_SO='$(RUBY_SO_NAME)'.dll + LIBRUBY_DLDFLAGS="${LIBRUBY_DLDFLAGS}"' $(RUBYDEF)' + ]) + EXPORT_PREFIX=' ' + DLDFLAGS="${DLDFLAGS}"' $(DEFFILE)' + AC_LIBOBJ([win32/win32]) + AC_LIBOBJ([win32/file]) + COMMON_LIBS=m +# COMMON_MACROS="WIN32_LEAN_AND_MEAN=" + COMMON_HEADERS="winsock2.h windows.h" + THREAD_MODEL=win32 + PLATFORM_DIR=win32 + ]) + LIBRUBY_ALIASES='' + FIRSTMAKEFILE=GNUmakefile:cygwin/GNUmakefile.in + SOLIBS='$(LIBS)' + AS_IF([test x"$enable_shared" = xyes], [ + LIBRUBY='lib$(RUBY_SO_NAME).dll.a' + ], [ + LIBRUBY_SO=dummy + LIBRUBY='lib$(RUBY_SO_NAME).a' + LIBRUBYARG='-l$(RUBY_SO_NAME)' + ]) + ], + [hpux*], [ + AS_CASE(["$YACC"],[*yacc*], [ + XCFLAGS="$XCFLAGS -DYYMAXDEPTH=300" + YACC="$YACC -Nl40000 -Nm40000" + ])], + [nacl], [ + FIRSTMAKEFILE=GNUmakefile:nacl/GNUmakefile.in + ]) + +MINIOBJS="$MINIDLNOBJ" + +AS_CASE(["$THREAD_MODEL"], +[pthread], [AC_CHECK_HEADERS(pthread.h)], +[win32], [], +[""], [AC_MSG_ERROR(thread model is missing)], + [AC_MSG_ERROR(unknown thread model $THREAD_MODEL)]) + +AC_ARG_ENABLE(debug-env, + AS_HELP_STRING([--enable-debug-env], [enable RUBY_DEBUG environment variable]), + [AC_SUBST(ENABLE_DEBUG_ENV, yes)]) + +AS_CASE(["$FIRSTMAKEFILE"], [*GNUmakefile:*], [gnumake=yes], [ + AC_MSG_CHECKING([if ${MAKE-make} is GNU make]) + mkdir conftest.dir + echo "all:; @echo yes" > conftest.dir/GNUmakefile + echo "all:; @echo no" > conftest.dir/Makefile + gnumake=`(cd conftest.dir; ${MAKE-make})` + rm -fr conftest.dir + AS_CASE(["$gnumake"], + [*yes*], [ + FIRSTMAKEFILE=GNUmakefile:template/GNUmakefile.in + gnumake=yes], + [ + gnumake=no]) + AC_MSG_RESULT($gnumake) +]) +AS_IF([test "$gnumake" = yes], [ NULLCMD=: ], [ + AC_MSG_CHECKING([for safe null command for ${MAKE-make}]) + mkdir conftest.dir + NULLCMD= + for cmd in : true; do + echo 'A=1' > conftest.dir/Makefile + echo 'B=$(A:1=@'$cmd')' >> conftest.dir/Makefile + echo 'all:; $B 1 2 3 4 5 6 7 8 9' >> conftest.dir/Makefile + AS_IF([(cd conftest.dir; ${MAKE-make} >/dev/null 2>/dev/null)], [ + NULLCMD=$cmd + break + ]) + done + rm -fr conftest.dir + AS_IF([test -z "$NULLCMD"], [ + AC_MSG_ERROR(no candidate for safe null command) + ]) + AC_MSG_RESULT($NULLCMD) +]) +AC_SUBST(NULLCMD) + +AS_IF([test "${universal_binary-no}" = yes ], [ + AC_CACHE_CHECK([for architecture macros], rb_cv_architecture_macros, [ + mv confdefs.h confdefs1.h + : > confdefs.h + AC_TRY_COMPILE([@%:@if defined __`echo ${universal_archnames} | + sed 's/=[^ ]*//g;s/ /__ || defined __/g'`__ +@%:@else +@%:@error +>>>>>><<<<<< +@%:@endif], [], +[ + rb_cv_architecture_macros=yes + mv -f confdefs1.h confdefs.h +], [ + rb_cv_architecture_macros=no + archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'` + new_cflags=`echo "$CFLAGS" | sed "s|$archflagpat"'||'` + for archs in ${universal_archnames}; do + cpu=${archs@%:@*=} + archs=${archs%=*} + CFLAGS="$new_cflags -arch $archs" + archs="__${archs}__" + AC_MSG_CHECKING([for macro ${archs} on ${cpu}]) + AC_TRY_COMPILE([@%:@ifndef ${archs} +@%:@error +@%:@endif], [], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) + done + mv -f confdefs1.h confdefs.h + AC_MSG_ERROR([failed]) + ])]) + AC_CACHE_CHECK(whether __ARCHITECTURE__ is available, rb_cv_architecture_available, + AC_TRY_COMPILE([@%:@include <stdio.h> + const char arch[[]] = __ARCHITECTURE__;], [puts(arch);], + [rb_cv_architecture_available=yes], [rb_cv_architecture_available=no])) +]) + +CPPFLAGS="$CPPFLAGS "'$(DEFS)' +test -z "$CPPFLAGS" || CPPFLAGS="$CPPFLAGS "; CPPFLAGS="$CPPFLAGS"'${cppflags}' +AS_IF([test -n "${cflags+set}"], [ + cflagspat=`eval echo '"'"${cflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/^ *$/ /'` + CFLAGS=`echo " $CFLAGS " | sed "s|$cflagspat"'|${cflags}|;s/^ *//;s/ *$//'` +]) +AS_IF([test -n "${cxxflags+set}"], [ + cxxflagspat=`eval echo '"'"${cxxflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/^ *$/ /'` + CXXFLAGS=`echo " $CXXFLAGS " | sed "s|$cxxflagspat"'|${cxxflags}|;s/^ *//;s/ *$//'` +]) +AS_IF([test "${ARCH_FLAG}"], [ + archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'` + CFLAGS=`echo "$CFLAGS" | sed "s| *$archflagpat"'||'` + CXXFLAGS=`echo "$CXXFLAGS" | sed "s| *$archflagpat"'||'` + LDFLAGS=`echo "$LDFLAGS" | sed "s| *$archflagpat"'||'` +]) +warnflags="$rb_cv_warnflags" +AC_SUBST(cppflags)dnl +AC_SUBST(cflags, ["${orig_cflags:+$orig_cflags }"'${optflags} ${debugflags} ${warnflags}'])dnl +AC_SUBST(cxxflags, ["${orig_cxxflags:+$orig_cxxflags }"'${optflags} ${debugflags} ${warnflags}'])dnl +AC_SUBST(optflags)dnl +AC_SUBST(debugflags)dnl +AC_SUBST(warnflags)dnl +AC_SUBST(strict_warnflags)dnl +AC_SUBST(XCFLAGS)dnl +AC_SUBST(XLDFLAGS)dnl +AC_SUBST(EXTLDFLAGS)dnl +AC_SUBST(EXTDLDFLAGS)dnl +AC_SUBST(LIBRUBY_LDSHARED) +AC_SUBST(LIBRUBY_DLDFLAGS) +AC_SUBST(RUBY_INSTALL_NAME) +AC_SUBST(rubyw_install_name) +AC_SUBST(RUBYW_INSTALL_NAME) +AC_SUBST(RUBY_SO_NAME) +AC_SUBST(LIBRUBY_A) +AC_SUBST(LIBRUBY_SO) +AC_SUBST(LIBRUBY_ALIASES) +AC_SUBST(LIBRUBY) +AC_SUBST(LIBRUBYARG) +AC_SUBST(LIBRUBYARG_STATIC) +AC_SUBST(LIBRUBYARG_SHARED) +AC_SUBST(SOLIBS) +AC_SUBST(DLDLIBS) +AC_SUBST(ENABLE_SHARED) +AC_SUBST(MAINLIBS) +AC_SUBST(COMMON_LIBS) +AC_SUBST(COMMON_MACROS) +AC_SUBST(COMMON_HEADERS) +AC_SUBST(EXPORT_PREFIX) +AC_SUBST(SYMBOL_PREFIX) +AC_SUBST(MINIOBJS) +AC_SUBST(THREAD_MODEL) +AC_SUBST(PLATFORM_DIR) + +firstmf=`echo $FIRSTMAKEFILE | sed 's/:.*//'` +firsttmpl=`echo $FIRSTMAKEFILE | sed 's/.*://'` +MAKEFILES="Makefile $firstmf" +MAKEFILES="`echo $MAKEFILES`" +AC_SUBST(MAKEFILES) + +ri_prefix= +test "$program_prefix" != NONE && + ri_prefix=$program_prefix + +ri_suffix= +test "$program_suffix" != NONE && + ri_suffix=$program_suffix + +RUBY_INSTALL_NAME="${ri_prefix}"'$(RUBY_BASE_NAME)'"${ri_suffix}" +AS_CASE(["$target_os"], + [cygwin*|mingw*], [ + RUBYW_INSTALL_NAME="${ri_prefix}"'$(RUBYW_BASE_NAME)'"${ri_suffix}" + rubyw_install_name='$(RUBYW_INSTALL_NAME)' + ]) + +rubylibdir='${rubylibprefix}/${ruby_version}' +rubyarchdir=${multiarch+'${rubyarchprefix}/${ruby_version}'}${multiarch-'${rubylibdir}/${arch}'} + +rubyarchprefix=${multiarch+'${archlibdir}/${RUBY_BASE_NAME}'}${multiarch-'${rubylibprefix}/${arch}'} +AC_ARG_WITH(rubyarchprefix, + AS_HELP_STRING([--with-rubyarchprefix=DIR], + [prefix for architecture dependent ruby libraries [[RUBYLIBPREFIX/ARCH]]]), + [rubyarchprefix="$withval"]) +AC_SUBST(rubyarchprefix) + +rubysitearchprefix=${multiarch+'${sitearchlibdir}/${RUBY_BASE_NAME}'}${multiarch-'${rubylibprefix}/${sitearch}'} +AC_ARG_WITH(rubysitearchprefix, + AS_HELP_STRING([--with-rubysitearchprefix=DIR], + [prefix for architecture dependent site libraries [[RUBYLIBPREFIX/SITEARCH]]]), + [rubysitearchprefix="$withval"]) +AC_SUBST(rubysitearchprefix) + +RI_BASE_NAME=`echo ${RUBY_BASE_NAME} | sed 's/ruby/ri/'` +ridir='${datarootdir}/${RI_BASE_NAME}' +AC_ARG_WITH(ridir, + AS_HELP_STRING([--with-ridir=DIR], [ri documentation [[DATAROOTDIR/ri]]]), + [ridir=$withval]) +AC_SUBST(ridir) +AC_SUBST(RI_BASE_NAME) + +AC_ARG_WITH(ruby-version, + AS_HELP_STRING([--with-ruby-version=STR], [ruby version string for version specific directories [[full]] (full|minor|STR)]), + [ruby_version=$withval], + [ruby_version=full]) +unset RUBY_LIB_VERSION +unset RUBY_LIB_VERSION_STYLE +AS_CASE(["$ruby_version"], + [full], [RUBY_LIB_VERSION_STYLE='3 /* full */'], + [minor], [RUBY_LIB_VERSION_STYLE='2 /* minor */']) +AS_IF([test ${RUBY_LIB_VERSION_STYLE+set}], [ + { + echo "#define RUBY_LIB_VERSION_STYLE $RUBY_LIB_VERSION_STYLE" + echo '#define STRINGIZE(x) x' + test -f revision.h -o -f "${srcdir}/revision.h" || echo '#define RUBY_REVISION 0' + echo '#include "version.h"' + echo 'ruby_version=RUBY_LIB_VERSION' + } > conftest.c + ruby_version="`$CPP -I. -I"${srcdir}" -I"${srcdir}/include" conftest.c | sed '/^ruby_version=/!d;s/ //g'`" + eval $ruby_version +], [test -z "${ruby_version}"], [ + AC_MSG_ERROR([No ruby version, No place for bundled libraries]) +], [ + RUBY_LIB_VERSION="${ruby_version}" +]) +AC_SUBST(RUBY_LIB_VERSION_STYLE) +AC_SUBST(RUBY_LIB_VERSION) + +AC_ARG_WITH(sitedir, + AS_HELP_STRING([--with-sitedir=DIR], [site libraries in DIR [[RUBY_LIB_PREFIX/site_ruby]], "no" to disable site directory]), + [sitedir=$withval], + [sitedir='${rubylibprefix}/site_ruby']) +sitelibdir='${sitedir}/${ruby_version}' + +AC_ARG_WITH(sitearchdir, + AS_HELP_STRING([--with-sitearchdir=DIR], + [architecture dependent site libraries in DIR [[SITEDIR/SITEARCH]], "no" to disable site directory]), + [sitearchdir=$withval], + [sitearchdir=${multiarch+'${rubysitearchprefix}/site_ruby/${ruby_version}'}${multiarch-'${sitelibdir}/${sitearch}'}]) + +AC_ARG_WITH(vendordir, + AS_HELP_STRING([--with-vendordir=DIR], [vendor libraries in DIR [[RUBY_LIB_PREFIX/vendor_ruby]], "no" to disable vendor directory]), + [vendordir=$withval], + [vendordir='${rubylibprefix}/vendor_ruby']) +vendorlibdir='${vendordir}/${ruby_version}' + +AC_ARG_WITH(vendorarchdir, + AS_HELP_STRING([--with-vendorarchdir=DIR], + [architecture dependent vendor libraries in DIR [[VENDORDIR/SITEARCH]], "no" to disable vendor directory]), + [vendorarchdir=$withval], + [vendorarchdir=${multiarch+'${rubysitearchprefix}/vendor_ruby/${ruby_version}'}${multiarch-'${vendorlibdir}/${sitearch}'}]) + +AS_IF([test "${LOAD_RELATIVE+set}"], [ + AC_DEFINE_UNQUOTED(LOAD_RELATIVE, $LOAD_RELATIVE) + RUBY_EXEC_PREFIX='' +]) + +AC_SUBST(RUBY_EXEC_PREFIX) + +AC_SUBST(libdirname, ${multiarch+arch}libdir) +AC_SUBST(archlibdir)dnl +AC_SUBST(sitearchlibdir)dnl +AC_SUBST(archincludedir)dnl +AC_SUBST(sitearchincludedir)dnl +AC_SUBST(arch)dnl +AC_SUBST(sitearch)dnl +AC_SUBST(ruby_version)dnl +AC_SUBST(rubylibdir)dnl +AC_SUBST(rubyarchdir)dnl +AC_SUBST(sitedir)dnl +AC_SUBST(sitelibdir)dnl +AC_SUBST(sitearchdir)dnl +AC_SUBST(vendordir)dnl +AC_SUBST(vendorlibdir)dnl +AC_SUBST(vendorarchdir)dnl + +AC_SUBST(CONFIGURE, "`echo $0 | sed 's|.*/||'`")dnl +AC_SUBST(configure_args, "`echo "${ac_configure_args}" | sed 's/\\$/$$/g'`")dnl + +AS_IF([test "${universal_binary-no}" = yes ], [ + arch="universal-${target_os}" + AS_IF([test "${rb_cv_architecture_available}" = yes], [ + AC_DEFINE_UNQUOTED(RUBY_PLATFORM_CPU, __ARCHITECTURE__) + ], [ + for archs in ${universal_archnames}; do + cpu=`echo $archs | sed 's/.*=//'` + archs=`echo $archs | sed 's/=.*//'` + RUBY_DEFINE_IF([defined __${archs}__], RUBY_PLATFORM_CPU, ["${cpu}"]) + done + ]) + ints='long int short' + test "$ac_cv_type_long_long" = yes && ints="'long long' $ints" + AC_SUBST(UNIVERSAL_ARCHNAMES, "${universal_archnames}") + AC_SUBST(UNIVERSAL_INTS, "${ints}") + AC_DEFINE_UNQUOTED(RUBY_PLATFORM_OS, "${target_os}") + AC_DEFINE_UNQUOTED(RUBY_ARCH, "universal-"RUBY_PLATFORM_OS) + AC_DEFINE_UNQUOTED(RUBY_PLATFORM, "universal."RUBY_PLATFORM_CPU"-"RUBY_PLATFORM_OS) +], [ + arch="${target_cpu}-${target_os}" + AS_CASE(["$arch"], [le32-nacl], [arch="pnacl"]) + AC_DEFINE_UNQUOTED(RUBY_PLATFORM, "$arch") +]) + +unset sitearch +AS_CASE(["$target_os"],[mingw*],[sitearch="$target_cpu-$rb_cv_msvcrt"]) +: ${sitearch='${arch}'} + +AC_ARG_WITH(search-path, + AS_HELP_STRING([--with-search-path=DIR], [specify the additional search path]), + [search_path=$withval]) +AS_IF([test "$search_path" != ""], [ + AC_SUBST(RUBY_SEARCH_PATH, $search_path) +]) + +AC_ARG_WITH(rubyhdrdir, + AS_HELP_STRING([--with-rubyhdrdir=DIR], [core headers in DIR [[INCLUDEDIR/RUBY_BASE_NAME-RUBY_VERSION]]]), + [rubyhdrdir=$withval], + [rubyhdrdir='${includedir}/${RUBY_VERSION_NAME}']) + +AC_ARG_WITH(rubyarchhdrdir, + AS_HELP_STRING([--with-rubyarchhdrdir=DIR], + [architecture dependent core headers in DIR [[$(rubyhdrdir)/$(arch)]]]), + [rubyarchhdrdir=$withval], + [rubyarchhdrdir=${multiarch+'${archincludedir}/${RUBY_VERSION_NAME}'}${multiarch-'${rubyhdrdir}/${arch}'}]) + +AC_ARG_WITH(sitehdrdir, + AS_HELP_STRING([--with-sitehdrdir=DIR], [core site headers in DIR [[RUBYHDRDIR/site_ruby]]]), + [sitehdrdir=$withval], + [sitehdrdir='${rubyhdrdir}/site_ruby']) + +AC_ARG_WITH(sitearchhdrdir, + AS_HELP_STRING([--with-sitearchhdrdir=DIR], + [architecture dependent core site headers in DIR [[RUBYHDRDIR/site_ruby]]]), + [sitearchhdrdir=$withval], + [sitearchhdrdir=${multiarch+'${sitearchincludedir}/${RUBY_VERSION_NAME}/site_ruby'}${multiarch-'${sitehdrdir}/${sitearch}'}]) + +AC_ARG_WITH(vendorhdrdir, + AS_HELP_STRING([--with-vendorhdrdir=DIR], [core vendor headers in DIR [[RUBYHDRDIR/vendor_ruby]]]), + [vendorhdrdir=$withval], + [vendorhdrdir='${rubyhdrdir}/vendor_ruby']) + +AC_ARG_WITH(vendorarchhdrdir, + AS_HELP_STRING([--with-vendorarchhdrdir=DIR], + [architecture dependent core vendor headers in DIR [[RUBYHDRDIR/vendor_ruby]]]), + [vendorarchhdrdir=$withval], + [vendorarchhdrdir=${multiarch+'${sitearchincludedir}/${RUBY_VERSION_NAME}/vendor_ruby'}${multiarch-'${vendorhdrdir}/${sitearch}'}]) + +AC_SUBST(rubyhdrdir)dnl +AC_SUBST(sitehdrdir)dnl +AC_SUBST(vendorhdrdir)dnl +AC_SUBST(rubyarchhdrdir)dnl +AC_SUBST(sitearchhdrdir)dnl +AC_SUBST(vendorarchhdrdir)dnl + +AC_ARG_WITH(mantype, + AS_HELP_STRING([--with-mantype=TYPE], [specify man page type; TYPE is one of man and doc]), + [ + AS_CASE(["$withval"], + [man|man.gz|man.bz2|doc|doc.gz|doc.bz2], [MANTYPE=$withval], + [AC_MSG_ERROR(invalid man type: $withval)]) + ]) +AS_IF([test -z "$MANTYPE"], [ + AC_PATH_PROGS(NROFF, nroff awf, /bin/false, "/usr/bin:/usr/ucb") + AS_IF([${NROFF} -mdoc ${srcdir}/man/ruby.1 >/dev/null 2>&1], [ + MANTYPE=doc + ], [ + MANTYPE=man + ]) +]) +AC_SUBST(MANTYPE) + +AC_ARG_ENABLE(rubygems, + AS_HELP_STRING([--disable-rubygems], [disable rubygems by default]), + [enable_rubygems="$enableval"], [enable_rubygems=yes]) +AS_IF([test x"$enable_rubygems" = xno], [ + AC_DEFINE(DISABLE_RUBYGEMS, 1) + USE_RUBYGEMS=NO +], [ + USE_RUBYGEMS=YES +]) +AC_SUBST(USE_RUBYGEMS) + +arch_hdrdir="${EXTOUT}/include/${arch}/ruby" +AS_MKDIR_P("${arch_hdrdir}") +config_h="${arch_hdrdir}/config.h" +guard=INCLUDE_RUBY_CONFIG_H +{ + echo "#ifndef $guard" + echo "#define $guard 1" + grep -v "^#define PACKAGE_" confdefs.h + echo "#endif /* $guard */" +} | tr -d '\015' | +( + AS_IF([test "x$CONFIGURE_TTY" = xyes], [color=--color], [color=]) + exec ${srcdir}/tool/ifchange $color "${config_h}" - +) || AC_MSG_ERROR([failed to create ${config_h}]) +tr -d '\015' < largefile.h > confdefs.h +rm largefile.h + +BUILTIN_ENCS=["`sed -n -e '/^BUILTIN_ENCS[ ]*=/{' \ + -e s/// -e :l -e '/\\\\$/N' -e 's/\\\\\\n/ /' -e 't l' -e p \ + -e '}' "${srcdir}/enc/Makefile.in"`"] +BUILTIN_ENCOBJS= +for e in $BUILTIN_ENCS; do BUILTIN_ENCOBJS="$BUILTIN_ENCOBJS "`echo $e | sed 's/\.c$/.$(OBJEXT)/'`; done +AC_SUBST(BUILTIN_ENCOBJS) + +BUILTIN_TRANSES=["`sed -n -e '/^BUILTIN_TRANSES[ ]*=/{' \ + -e s/// -e :l -e '/\\\\$/N' -e 's/\\\\\\n/ /' -e 't l' -e p \ + -e '}' "${srcdir}/enc/Makefile.in"`"] +BUILTIN_TRANSSRCS= +BUILTIN_TRANSOBJS= +for e in $BUILTIN_TRANSES; do + BUILTIN_TRANSSRCS="$BUILTIN_TRANSSRCS "`echo $e | sed 's/\.trans$/.c/'` + BUILTIN_TRANSOBJS="$BUILTIN_TRANSOBJS "`echo $e | sed 's/\.trans$/.$(OBJEXT)/'` +done +AC_SUBST(BUILTIN_TRANSSRCS) +AC_SUBST(BUILTIN_TRANSOBJS) + +PACKAGE=$RUBY_BASE_NAME +AC_SUBST(PACKAGE) +AS_MESSAGE([$PACKAGE library version = $ruby_version]) + +AS_CASE([" $CPP "], [*" $CC "*], [CPP=`echo " $CPP " | sed "s| $CC |"' $(CC) |;s/^ *//;s/ *$//'`]) + +AS_IF([test x"$firstmf" != x], [ + AC_CONFIG_FILES($firstmf:$firsttmpl, [], [firstmf="$firstmf" firsttmpl="$firsttmpl"]) +]) +AC_CONFIG_FILES(Makefile, [ + tmpmk=confmk$$.tmp + { + AS_IF([test ${VCS+set}], [ + : + ], [svn info "$srcdir" > /dev/null 2>&1], [ + VCS='svn' + ], [git_dir=`$GIT --work-tree="$srcdir" --git-dir="$srcdir/.git" rev-parse --git-dir 2>/dev/null`], [ + AS_IF([test -d "$git_dir/svn"], [ + VCS='$(GIT) svn' + ], [ + VCS='$(GIT)' + ]) + ], [ + VCS='echo cannot' + ]) + AS_CASE("$VCS", + [svn], [VCSUP='$(VCS) up $(SVNUPOPTIONS)'], + ['$(GIT) svn'], [VCSUP='$(VCS) rebase $(GITSVNREBASEOPTIONS)'], + ['$(GIT)'|git], [VCSUP='$(VCS) pull $(GITPULLOPTIONS)'], + [VCSUP='$(VCS)']) + sed -n \ + -e '[/^@%:@define \(RUBY_RELEASE_[A-Z]*\) \([0-9][0-9]*\)/]{' \ + -e 's//\1 = \2/' \ + -e '[s/ \([0-9]\)$/ 0\1/]' \ + -e p \ + -e '}' "$srcdir/version.h" + sed '/^MISSING/s/\$U\././g;/^VCS *=/s#@VCS@#'"$VCS"'#;/^VCSUP *=/s#@VCSUP@#'"$VCSUP"'#' Makefile + echo; test x"$EXEEXT" = x || echo 'miniruby: miniruby$(EXEEXT)' + AS_IF([test "$gnumake" != yes], [ + echo ['$(MKFILES): $(srcdir)/common.mk'] + sed ['s/{\$([^(){}]*)[^{}]*}//g'] ${srcdir}/common.mk + ], [ + echo 'distclean-local::; @$(RM) GNUmakefile uncommon.mk' + ]) + } > $tmpmk && AS_IF([! grep '^ruby:' $tmpmk > /dev/null], [ + AS_IF([test "${gnumake}" = yes], [ + tmpgmk=confgmk$$.tmp + { + echo "include $tmpmk" + echo "-include uncommon.mk" + } > $tmpgmk + ], [ + tmpgmk=$tmpmk + ]) && + test -z "`${MAKE-make} -f $tmpgmk info-program | grep '^PROGRAM=ruby$'`" && + echo 'ruby: $(PROGRAM);' >> $tmpmk + test "$tmpmk" = "$tmpgmk" || rm -f "$tmpgmk" + ]) && mv -f $tmpmk Makefile], +[EXEEXT='$EXEEXT' gnumake='$gnumake' GIT='$GIT']) + +AC_ARG_WITH([ruby-pc], + AC_HELP_STRING([--with-ruby-pc=FILENAME], [pc file basename]), + [ruby_pc="$withval"], + [ruby_pc="${RUBY_BASE_NAME}-${MAJOR}.${MINOR}.pc"]) +AC_SUBST(ruby_pc) +AC_SUBST(exec, [exec]) + +AC_ARG_WITH(destdir, + AS_HELP_STRING([--with-destdir=DESTDIR], [specify default directory to install]), + [DESTDIR="$withval"]) +AC_SUBST(DESTDIR) + +AC_CONFIG_FILES($ruby_pc:template/ruby.pc.in, + [ + AS_IF([sed ['s/\$(\([A-Za-z_][A-Za-z0-9_]*\))/${\1}/g;s/@[A-Za-z_][A-Za-z0-9_]*@//'] $ruby_pc > ruby.tmp.pc && + { + test -z "$PKG_CONFIG" || + PKG_CONFIG_PATH=. $PKG_CONFIG --print-errors ruby.tmp + }], + [ + mv -f ruby.tmp.pc $ruby_pc + ], [ + exit 1 + ]) + ], + [ruby_pc='$ruby_pc' PKG_CONFIG='$PKG_CONFIG']) + +AC_OUTPUT +} +} + +AS_IF([${FOLD+:} false], [], [ +AS_IF([test "`echo abcdefg hijklmno | fold -s -w10 | sed 1d`" = hijklmno], [FOLD="fold"], [FOLD=]) +]) +AS_REQUIRE_SHELL_FN([config_summary], + [AS_FUNCTION_DESCRIBE([config_summary], [NAME, VAL], [configuration summary])], + [AS_IF([test -z "$2"], [], [ + AS_ECHO_N([" * $1: "]) | dd bs=1 count=26 2>/dev/null + AS_IF([test "$FOLD"], [ + echo "$2" | fold -s -w50 | + sed '1!s/^/ /;$!s/$/\\/' + ], [echo "$2"]) + ])] +) + +echo "---" +echo "Configuration summary for $RUBY_BASE_NAME version $RUBY_PROGRAM_VERSION" +echo "" +config_summary "Installation prefix" "$prefix" +config_summary "exec prefix" "$exec_prefix" +config_summary "arch" "$arch" +config_summary "site arch" "$sitearch" +config_summary "RUBY_BASE_NAME" "$RUBY_BASE_NAME" +config_summary "enable shared" "$enable_shared" +config_summary "ruby lib prefix" "$rubylibprefix" +config_summary "site libraries path" "$rubysitearchprefix" +config_summary "vendor path" "$vendordir" +config_summary "target OS" "$target_os" +config_summary "compiler" "$CC" +config_summary "with pthread" "$enable_pthread" +config_summary "enable shared libs" "$ENABLE_SHARED" +config_summary "dynamic library ext" "$DLEXT" +config_summary "CFLAGS" "$cflags" +config_summary "CPPFLAGS" "$cppflags" +config_summary "LDFLAGS" "$LDFLAGS" +config_summary "optflags" "$optflags" +config_summary "debugflags" "$debugflags" +config_summary "warnflags" "$warnflags" +config_summary "strip command" "$STRIP" +config_summary "install doc" "$install_doc" +config_summary "man page type" "$MANTYPE" +config_summary "search path" "$search_path" +config_summary "static-linked-ext" ${EXTSTATIC:+"yes"} +echo "" +echo "---" |