- [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"
+ [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