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| author | Jakub Jelinek <jakub@redhat.com> | 2007-02-02 13:29:31 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2007-02-02 13:29:31 +0100 |
| commit | 47742ccdded540d6e157ce49f89ec4148cd27154 (patch) | |
| tree | 1a629cc62a7b629f1442691db1f2ab7af5223c58 /libjava/configure.ac | |
| parent | 8aaf4681da0697653119fb541aef303da5b0aaaf (diff) | |
| download | gcc-47742ccdded540d6e157ce49f89ec4148cd27154.tar.gz | |
configure.ac (libjava_cv_anon_version_script): New test.
* configure.ac (libjava_cv_anon_version_script): New test.
(ANONVERSCRIPT): New AM_CONDITIONAL.
* configure: Rebuilt.
* Makefile.am (extra_ldflags_libjava): Link with -Wl,--version-script
if ANONVERSCRIPT.
* Makefile.in: Rebuilt.
(libgcj_la_DEPENDENCIES): Depend on libgcj.ver.
* libgcj.ver: New file.
From-SVN: r121499
Diffstat (limited to 'libjava/configure.ac')
| -rw-r--r-- | libjava/configure.ac | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libjava/configure.ac b/libjava/configure.ac index ab637d4d42b..95d8cef2479 100644 --- a/libjava/configure.ac +++ b/libjava/configure.ac @@ -1553,6 +1553,19 @@ GCC_CHECK_TLS # For _Unwind_GetIPInfo. GCC_CHECK_UNWIND_GETIPINFO +# See if linker supports anonymous version scripts. +AC_CACHE_CHECK([whether ld supports anonymous version scripts], + [libjava_cv_anon_version_script], + [save_CFLAGS="$CFLAGS"; save_LDFLAGS="$LDFLAGS" + libjava_cv_anon_version_script=no + CFLAGS="$CFLAGS -fPIC"; LDFLAGS="$LDFLAGS -shared -Wl,--version-script,conftest.map" + echo '{ global: globalsymb*; local: *; };' > conftest.map + AC_TRY_LINK(void globalsymbol (void) {} void localsymbol (void) {},, + [libjava_cv_anon_version_script=yes], []) + CFLAGS="$save_CFLAGS"; LDFLAGS="$save_LDFLAGS" + ]) +AM_CONDITIONAL(ANONVERSCRIPT, test "$libjava_cv_anon_version_script" = yes) + # Check if linker supports static linking on a per library basis LD_START_STATIC_SPEC= LD_FINISH_STATIC_SPEC= |