diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 109 |
1 files changed, 63 insertions, 46 deletions
diff --git a/configure.in b/configure.in index ca9ae1b7c3..60d860bdb3 100644 --- a/configure.in +++ b/configure.in @@ -38,12 +38,12 @@ AC_CANONICAL_HOST dnl checks for fat-binary fat_binary=no -AC_ARG_ENABLE( fat-binary, +AC_ARG_ENABLE(fat-binary, [--enable-fat-binary build a NeXT/Apple Multi Architecture Binary. ], - [ fat_binary=$enableval ] ) + [fat_binary=$enableval]) if test "$fat_binary" = yes ; then - AC_MSG_CHECKING( target architecture ) + AC_MSG_CHECKING(target architecture) case "$host_os" in rhapsody*) @@ -105,24 +105,26 @@ AC_CHECK_SIZEOF(void*) AC_CHECK_SIZEOF(float) AC_CHECK_SIZEOF(double) -AC_MSG_CHECKING(for prototypes) -AC_CACHE_VAL(rb_cv_have_prototypes, +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)]) -AC_MSG_RESULT($rb_cv_have_prototypes) if test "$rb_cv_have_prototypes" = yes; then AC_DEFINE(HAVE_PROTOTYPES) fi -AC_MSG_CHECKING(token paste string) -AC_TRY_COMPILE([#define paste(a,b) a##b], -[ int xy = 1; return paste(x,y);], -AC_DEFINE(TOKEN_PASTE(x,y),[x##y]) AC_MSG_RESULT(ANSI), -AC_DEFINE(TOKEN_PASTE(x,y),[x/**/y]) AC_MSG_RESULT(KnR1)) +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)]) +if test "$rb_cv_tokenpaste" = ansi; then + AC_DEFINE(TOKEN_PASTE(x,y),[x##y]) +else + AC_DEFINE(TOKEN_PASTE(x,y),[x/**/y]) +fi -AC_MSG_CHECKING(for variable length prototypes and stdarg.h) -AC_CACHE_VAL(rb_cv_stdarg, +AC_CACHE_CHECK(for variable length prototypes and stdarg.h, rb_cv_stdarg, [AC_TRY_COMPILE([ #include <stdarg.h> int foo(int x, ...) { @@ -136,17 +138,14 @@ int foo(int x, ...) { ], [return foo(10, "", 3.14);], rb_cv_stdarg=yes, rb_cv_stdarg=no)]) -AC_MSG_RESULT($rb_cv_stdarg) if test "$rb_cv_stdarg" = yes; then AC_DEFINE(HAVE_STDARG_PROTOTYPES) fi -AC_MSG_CHECKING(for gcc attribute noreturn) -AC_CACHE_VAL(rb_cv_have_attr_noreturn, +AC_CACHE_CHECK(for gcc attribute noreturn, rb_cv_have_attr_noreturn, [AC_TRY_COMPILE([void exit(int x) __attribute__ ((noreturn));], [], rb_cv_have_attr_noreturn=yes, rb_cv_have_attr_noreturn=no)]) -AC_MSG_RESULT($rb_cv_have_attr_noreturn) if test "$rb_cv_have_attr_noreturn" = yes; then AC_DEFINE(HAVE_ATTR_NORETURN) fi @@ -203,8 +202,7 @@ fi if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then AC_DEFINE(POSIX_SIGNAL) else - AC_MSG_CHECKING(for BSD signal semantics) - AC_CACHE_VAL(rb_cv_bsd_signal, + AC_CACHE_CHECK(for BSD signal semantics, rb_cv_bsd_signal, [AC_TRY_RUN([ #include <stdio.h> #include <signal.h> @@ -225,8 +223,8 @@ main() } ], rb_cv_bsd_signal=yes, + rb_cv_bsd_signal=no, rb_cv_bsd_signal=no)]) - AC_MSG_RESULT($rb_cv_bsd_signal) if test "$rb_cv_bsd_signal" = yes; then AC_DEFINE(BSD_SIGNAL) fi @@ -236,32 +234,57 @@ if test "$ac_cv_func_setpgrp2" = yes; then AC_DEFINE(BSD_GETPGRP, getpgrp2) AC_DEFINE(BSD_SETPGRP, setpgrp2) else - AC_MSG_CHECKING(whether getpgrp() has arg) - AC_CACHE_VAL(rb_cv_bsdgetpgrp, + AC_CACHE_CHECK(whether getpgrp() has arg, rb_cv_bsdgetpgrp, [AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], rb_cv_bsdgetpgrp=yes, rb_cv_bsdgetpgrp=no)]) - AC_MSG_RESULT($rb_cv_bsdgetpgrp) if test "$rb_cv_bsdgetpgrp" = yes; then AC_DEFINE(BSD_GETPGRP, getpgrp) fi - AC_MSG_CHECKING(whether setpgrp() has args) - AC_CACHE_VAL(rb_cv_bsdsetpgrp, + AC_CACHE_CHECK(whether setpgrp() has args, rb_cv_bsdsetpgrp, [AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(1, 1);], rb_cv_bsdsetpgrp=yes, rb_cv_bsdsetpgrp=no)]) - AC_MSG_RESULT($rb_cv_bsdsetpgrp) if test "$rb_cv_bsdsetpgrp" = yes; then AC_DEFINE(BSD_SETPGRP, setpgrp) fi fi +AC_CACHE_CHECK(for working strtod, rb_cv_func_strtod, +[AC_TRY_RUN([ +double strtod (); +int +main() +{ + { + /* Some versions of Linux strtod mis-parse strings with leading '+'. */ + char *string = " +69"; + char *term; + double value; + value = strtod(string, &term); + if (value != 69 || term != (string + 4)) + exit(1); + } + + { + /* Under Solaris 2.4, strtod returns the wrong value for the + terminating character under some conditions. */ + char *string = "NaN"; + char *term; + strtod(string, &term); + if (term != string && *(term - 1) == 0) + exit(1); + } + exit(0); +} +], rb_cv_func_strtod=yes, rb_cv_func_strtod=no, rb_cv_func_strtod=no)]) +test $rb_cv_func_strtod = no && LIBOBJS="$LIBOBJS strtod.o" + AC_C_BIGENDIAN AC_CHAR_UNSIGNED -AC_MSG_CHECKING(whether right shift preserve sign bit) -AC_CACHE_VAL(rb_cv_rshift_sign, +AC_CACHE_CHECK(whether right shift preserve sign bit, rb_cv_rshift_sign, [AC_TRY_RUN([ int main() @@ -272,15 +295,15 @@ main() } ], rb_cv_rshift_sign=yes, - rb_cv_rshift_sign=no)]) - AC_MSG_RESULT($rb_cv_rshift_sign) + rb_cv_rshift_sign=no, + rb_cv_rshift_sign=yes)]) if test "$rb_cv_rshift_sign" = yes; then AC_DEFINE(RSHIFT(x,y), ((x)>>y)) else AC_DEFINE(RSHIFT(x,y), (((x)<0) ? ~((~(x))>>y) : (x)>>y)) fi -AC_MSG_CHECKING([count field in FILE structures]) +AC_MSG_CHECKING(count field in FILE structures) AC_CACHE_VAL(rb_cv_fcnt, [AC_TRY_COMPILE([#include <stdio.h>], [FILE *f = stdin; f->_cnt = 0;], rb_cv_fcnt="_cnt", ) @@ -313,8 +336,7 @@ AC_ARG_WITH(dln-a-out, [--with-dln-a-out use dln_a_out if possible], [ case "$host_os" in linux*) - AC_MSG_CHECKING(whether ELF binaries are produced) - AC_CACHE_VAL(rb_cv_binary_elf, + AC_CACHE_CHECK(whether ELF binaries are produced, rb_cv_binary_elf, [AC_TRY_RUN([ /* Test for whether ELF binaries are produced */ #include <fcntl.h> @@ -334,8 +356,7 @@ main() { ], rb_cv_binary_elf=yes, rb_cv_binary_elf=no, - [:])]) - AC_MSG_RESULT($rb_cv_binary_elf) + rb_cv_binary_elf=yes)]) if test "$rb_cv_binary_elf" = no; then with_dln_a_out=yes host_os=${host_os}-a_out @@ -435,9 +456,8 @@ fi dln_a_out_works=no if test "$ac_cv_header_a_out_h" = yes; then if test "$with_dln_a_out" = yes || test "$rb_cv_dlopen" = unknown; then - AC_MSG_CHECKING(whether matz's dln works) cat confdefs.h > config.h - AC_CACHE_VAL(rb_cv_dln_a_out, + AC_CACHE_CHECK(whether matz's dln works, rb_cv_dln_a_out, [AC_TRY_COMPILE([ #define USE_DLN_A_OUT #include "dln.c" @@ -445,7 +465,6 @@ if test "$ac_cv_header_a_out_h" = yes; then [], rb_cv_dln_a_out=yes, rb_cv_dln_a_out=no)]) - AC_MSG_RESULT($rb_cv_dln_a_out) if test "$rb_cv_dln_a_out" = yes; then dln_a_out_works=yes AC_DEFINE(USE_DLN_A_OUT) @@ -512,8 +531,8 @@ case "$host_os" in AC_CHECK_LIB(signal, _harderr) AC_CHECK_LIB(hmem, hmemset) AC_CHECK_FUNCS(select) - AC_MSG_CHECKING(whether PD libc _dtos18 fail to convert big number) - AC_CACHE_VAL(rb_cv_missing__dtos18, + AC_CACHE_CHECK(whether PD libc _dtos18 fail to convert big number, + rb_cv_missing__dtos18, [AC_TRY_RUN( changequote(<<, >>)dnl << @@ -526,13 +545,12 @@ main () } >>, changequote([, ])dnl -rb_cv_missing__dtos18=yes, rb_cv_missing__dtos18=no)]) - AC_MSG_RESULT($rb_cv_missing__dtos18) +rb_cv_missing__dtos18=yes, rb_cv_missing__dtos18=no, rb_cv_missing__dtos18=no)]) if test "$rb_cv_missing__dtos18" = yes; then AC_DEFINE(MISSING__DTOS18) fi - AC_MSG_CHECKING(whether PD libc fconvert fail to round) - AC_CACHE_VAL(rb_cv_missing_fconvert, + AC_CACHE_CHECK(whether PD libc fconvert fail to round, + rb_cv_missing_fconvert, [AC_TRY_RUN( changequote(<<, >>)dnl << @@ -546,8 +564,7 @@ main () } >>, changequote([, ])dnl -rb_cv_missing_fconvert=yes, rb_cv_missing_fconvert=no)]) - AC_MSG_RESULT($rb_cv_missing_fconvert) +rb_cv_missing_fconvert=yes, rb_cv_missing_fconvert=no, rb_cv_missing_fconvert=no)]) if test "$rb_cv_missing_fconvert" = yes; then AC_DEFINE(MISSING_FCONVERT) fi |