spice: fix build with FORTIFY_SOURCES already defined in native gcc

* e.g. on gentoo hosts
* use 4 spaces for indentation

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/meta-networking/recipes-support/spice/files/0001-spice-compile-warnings.m4-don-t-define-FORITFY_SOURC.patch b/meta-networking/recipes-support/spice/files/0001-spice-compile-warnings.m4-don-t-define-FORITFY_SOURC.patch
new file mode 100644
index 0000000000..666960566b
--- /dev/null
+++ b/meta-networking/recipes-support/spice/files/0001-spice-compile-warnings.m4-don-t-define-FORITFY_SOURC.patch
@@ -0,0 +1,37 @@
+From bf85d26f0326d4ea20429c29fd408703ee5bad54 Mon Sep 17 00:00:00 2001
+From: Martin Jansa <Martin.Jansa@gmail.com>
+Date: Wed, 13 Sep 2017 15:53:02 +0200
+Subject: [PATCH] spice-compile-warnings.m4: don't define FORITFY_SOURCES
+
+* otherwise fails when the native gcc already defines
+  FORTIFY_SOURCES (e.g. in gentoo).
+  | In file included from ../../git/server/inputs_channel.c:19:0:
+  | ../config.h:17:0: error: "_FORTIFY_SOURCE" redefined [-Werror]
+  |  # define _FORTIFY_SOURCE 2
+
+Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
+---
+ m4/spice-compile-warnings.m4 | 7 -------
+ 1 file changed, 7 deletions(-)
+
+diff --git a/m4/spice-compile-warnings.m4 b/m4/spice-compile-warnings.m4
+index 959971a2..55352ad6 100644
+--- a/m4/spice-compile-warnings.m4
++++ b/m4/spice-compile-warnings.m4
+@@ -109,13 +109,6 @@ AC_DEFUN([SPICE_COMPILE_WARNINGS],[
+     # This should be < 1024 really. pixman_utils is the blackspot
+     # preventing lower usage
+     gl_WARN_ADD([-Wframe-larger-than=20460])
+-
+-    # Use improved glibc headers
+-    AH_VERBATIM([FORTIFY_SOURCE],
+-    [/* Enable compile-time and run-time bounds-checking, and some warnings. */
+-#if __OPTIMIZE__
+-# define _FORTIFY_SOURCE 2
+-#endif
+ ])
+ 
+     # Extra special flags
+-- 
+2.14.1
+