From: Zbigniew Jędrzejewski-Szmek Date: Mon, 2 Mar 2015 03:46:43 +0000 (-0500) Subject: build-sys: allow lto and FORTIFY_SOURCE with -O[sz] X-Git-Tag: v219.0~528 X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=0289f2fb2a64df53b589b771f69c43126b029590 build-sys: allow lto and FORTIFY_SOURCE with -O[sz] https://bugs.freedesktop.org/show_bug.cgi?id=89382 --- 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])])