+# 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=
+if $LD --help 2>&1 | grep -q -e -call_shared ; then
+ if $LD --help 2>&1 | grep -q -e -non_shared ; then
+ LD_START_STATIC_SPEC='%{static-libgcj:-non_shared}'
+ LD_FINISH_STATIC_SPEC='%{static-libgcj:-call_shared}'
+ fi
+fi
+AC_SUBST(LD_START_STATIC_SPEC)
+AC_SUBST(LD_FINISH_STATIC_SPEC)