diff options
Diffstat (limited to 'libjava/configure.ac')
| -rw-r--r-- | libjava/configure.ac | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/libjava/configure.ac b/libjava/configure.ac index 8187eecbd40..c5bb1a04f98 100644 --- a/libjava/configure.ac +++ b/libjava/configure.ac @@ -1800,26 +1800,38 @@ 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=gnu], []) - if test x$libjava_cv_anon_version_script = xno; then - case "$target_os" in - solaris2*) - LDFLAGS="$save_LDFLAGS" - LDFLAGS="$LDFLAGS -shared -Wl,-M,conftest.map" - # Sun ld doesn't understand wildcards here. - echo '{ global: globalsymbol; local: *; };' > conftest.map - AC_TRY_LINK(void globalsymbol (void) {} void localsymbol (void) {},, - [libjava_cv_anon_version_script=sun], []) - ;; - esac + [AC_ARG_ENABLE(symvers, + AS_HELP_STRING([--disable-symvers], + [disable symbol versioning for libjava]), + [case "$enableval" in + yes) libjava_cv_anon_version_script=yes ;; + no) libjava_cv_anon_version_script=no ;; + *) AC_MSG_ERROR([Unknown argument to enable/disable symvers]);; + esac], + [libjava_cv_anon_version_script=yes] + ) + if test x$libjava_cv_anon_version_script = xyes; then + save_CFLAGS="$CFLAGS"; save_LDFLAGS="$LDFLAGS" + 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=gnu], + [libjava_cv_anon_version_script=no]) + if test x$libjava_cv_anon_version_script = xno; then + case "$target_os" in + solaris2*) + LDFLAGS="$save_LDFLAGS" + LDFLAGS="$LDFLAGS -shared -Wl,-M,conftest.map" + # Sun ld doesn't understand wildcards here. + echo '{ global: globalsymbol; local: *; };' > conftest.map + AC_TRY_LINK(void globalsymbol (void) {} void localsymbol (void) {},, + [libjava_cv_anon_version_script=sun], []) + ;; + esac + fi + CFLAGS="$save_CFLAGS"; LDFLAGS="$save_LDFLAGS" fi - CFLAGS="$save_CFLAGS"; LDFLAGS="$save_LDFLAGS" ]) AM_CONDITIONAL(ANONVERSCRIPT, test "$libjava_cv_anon_version_script" != no) AM_CONDITIONAL(ANONVERSCRIPT_GNU, test "$libjava_cv_anon_version_script" = gnu) |