X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=configure.ac;h=419b5d4e8d2db24d2a972e169184c3fb39979970;hp=01ee8dc994f069c1609be3d3e77eca006964a2c8;hb=0289f2fb2a64df53b589b771f69c43126b029590;hpb=1d64e14c30e993c2d3dc948fe53118d8700c3ade

diff --git a/configure.ac b/configure.ac
index 01ee8dc99..419b5d4e8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -208,13 +208,13 @@ AS_CASE([$CC], [*clang*],
                -Wno-gnu-variable-sized-type-not-at-end \
         ])])
 
-AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
+AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
         [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
                -flto -ffat-lto-objects])],
         [AC_MSG_RESULT([skipping -flto, optimization not enabled])])
 AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")
 
-AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
+AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
         [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
                -Wp,-D_FORTIFY_SOURCE=2])],
         [AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])