From: Kay Sievers <kay@vrfy.org>
Date: Mon, 21 Oct 2013 16:28:23 +0000 (+0200)
Subject: build-sys: disable _FORTIFY_SOURCE for -Og builds for now
X-Git-Tag: v209~1804
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=03a170c03cd4a09721369ece48affb70d66c6b90;hp=df28bc0836ad6a79cb537ad0b463819738088f3e;ds=inline

build-sys: disable _FORTIFY_SOURCE for -Og builds for now

Older gcc versions throw things like:

  In file included from /usr/include/fcntl.h:302:0,
                 from ../src/core/execute.c:25:
In function 'open',
    inlined from 'open_null_as' at ../src/core/execute.c:196:12:
/usr/include/bits/fcntl2.h:50:24: error: call to '__open_missing_mode'
  declared with attribute error: open with O_CREAT in second argument needs 3 arguments
    __open_missing_mode ();
---

diff --git a/configure.ac b/configure.ac
index b09f333a0..7e41d577b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -157,7 +157,7 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         --param=ssp-buffer-size=4])
 AC_SUBST([OUR_CFLAGS], "$with_cflags $address_sanitizer_cflags")
 
-AS_CASE([$CFLAGS], [*-O[[12345g\ ]]*],
+AS_CASE([$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])])