On Sun, Sep 08, 2013 at 04:55:25PM +0300, Uri Lublin wrote: > On 09/06/2013 10:59 PM, Dunrong Huang wrote: > >If the _FORTIFY_SOURCE has been already defined, we shouldn't redefine > >it, or it will raise a build error as below: > > > >In file included from spice-audio.c:36:0: > >../config.h:12:0: error: "_FORTIFY_SOURCE" redefined [-Werror] > >spice-audio.c:1:0: note: this is the location of the previous definition > > > >Suggested-by: Christophe Fergeau <cfergeau@xxxxxxxxxx> > >Signed-off-by: Dunrong Huang <riegamaths@xxxxxxxxx> > >--- > > m4/spice-compile-warnings.m4 | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > >diff --git a/m4/spice-compile-warnings.m4 b/m4/spice-compile-warnings.m4 > >index 31fc0fc..533bac6 100644 > >--- a/m4/spice-compile-warnings.m4 > >+++ b/m4/spice-compile-warnings.m4 > >@@ -104,7 +104,7 @@ AC_DEFUN([SPICE_COMPILE_WARNINGS],[ > > # Use improved glibc headers > > AH_VERBATIM([FORTIFY_SOURCE], > > [/* Enable compile-time and run-time bounds-checking, and some warnings. */ > >- #if defined __OPTIMIZE__ && __OPTIMIZE__ > >+ #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ > > # define _FORTIFY_SOURCE 2 > > #endif > > ]) > > Ack. Pushed that one as well Christophe
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