-fvisibility=hidden \
-ffunction-sections \
-fdata-sections])
-
-AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
- [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
- -flto -ffat-lto-objects])],
- [AC_MSG_RESULT([skipping -flto, optimization not enabled])])
-
-AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
- [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
- -Wp,-D_FORTIFY_SOURCE=2])],
- [AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])
-
AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
+
CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [ \
-Wl,--as-needed \
-Wl,--no-undefined \