diff options
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 ab637d4..95d8cef 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= |