diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-10-23 09:37:19 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-10-23 09:37:19 +0000 |
commit | 8ebcdf9ddf925fdda191a8ac23eb6dc0f7b91143 (patch) | |
tree | 4e85c8cb84a216e9b9f6b8c511833c8e47079d35 /configure.in | |
parent | a84943653947358d056c513cadc522c41f0e1d81 (diff) |
merges r29341 and r29343 from trunk into ruby_1_9_2.
--
* configure.in (LIBRUBY_DLDFLAGS): use -unexported_symbol only
when available. http://trac.macports.org/ticket/26341
--
* configure.in (LIBRUBY_DLDFLAGS): fix quoting.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@29567 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 61f5aa0442..3cb0ced3b5 100644 --- a/configure.in +++ b/configure.in @@ -301,7 +301,7 @@ AC_CHECK_TOOL(AS, as) ASFLAGS=$ASFLAGS AC_SUBST(ASFLAGS) -AS_CASE(["$target_os"],[cygwin*|mingw*|darwin*], [ac_cv_prog_ac_ct_OBJCOPY=":"]) +AS_CASE(["$target_os"],[cygwin*|mingw*], [ac_cv_prog_ac_ct_OBJCOPY=":"]) # BSD's ports and MacPorts prefix GNU binutils with 'g' AC_CHECK_TOOLS(OBJDUMP, [objdump gobjdump]) @@ -399,6 +399,19 @@ AC_DEFUN(RUBY_TRY_CFLAGS, [ save_CFLAGS= ]) +AC_DEFUN(RUBY_TRY_LDFLAGS, [ + save_LDFLAGS="$LDFLAGS" + LDFLAGS="[$]LDFLAGS $1" + AC_MSG_CHECKING([whether $1 is accepted]) + AC_TRY_LINK([$4], [$5], + [$2 + AC_MSG_RESULT(yes)], + [$3 + AC_MSG_RESULT(no)]) + LDFLAGS="$save_LDFLAGS" + save_LDFLAGS= +]) + if test "$GCC:${warnflags+set}:no" = yes::no; then for wflag in -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings \ -Wno-missing-field-initializers -Wshorten-64-to-32 -Wno-long-long; do @@ -408,6 +421,14 @@ if test "$GCC:${warnflags+set}:no" = yes::no; then [wflag=-Wall]) RUBY_TRY_CFLAGS($wflag, [warnflags="$wflag${warnflags+ $warnflags}"]) fi +if test "$GCC" = yes; then + if test "$visibility_option" = yes; then + RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden) + else + RUBY_TRY_LDFLAGS([-Wl,-unexported_symbol,_Init_*], [visibility_option=ld], [visibility_option=no]) + fi + test "$visibility_option" = no || OBJCOPY=: +fi 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 $ARCH_FLAG\"" @@ -2157,8 +2178,10 @@ if test "$enable_shared" = 'yes'; then LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-install_name '${libprefix}'/$(LIBRUBY_SO)' LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-current_version $(MAJOR).$(MINOR).$(TEENY)' LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-compatibility_version $(ruby_version)' - LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_Init_*' - LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,*_threadptr_*' + if test "$visibility_option" = ld; then + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_Init_*' + LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,*_threadptr_*' + fi LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "' $(XLDFLAGS)' LIBRUBY_SO='lib$(RUBY_SO_NAME).dylib' LIBRUBY_ALIASES='lib$(RUBY_BASE_NAME).$(MAJOR).$(MINOR).dylib lib$(RUBY_INSTALL_NAME).dylib' |