From d8728d7219ceb91d9bddda4064d91f83558b44b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Diego=20=27Flameeyes=27=20Petten=C3=B2?=
 <flameeyes@gmail.com>
Date: Sat, 14 Apr 2007 17:25:54 +0200
Subject: Check for __malloc__ attribute during configure stage, avoid
 conditional in xineutils.h for it, instead use XINE_MALLOC.

---
 m4/attributes.m4 | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'm4')

diff --git a/m4/attributes.m4 b/m4/attributes.m4
index c46715d0e..23b5f2ee4 100644
--- a/m4/attributes.m4
+++ b/m4/attributes.m4
@@ -342,3 +342,23 @@ AC_DEFUN([CC_ATTRIBUTE_PACKED], [
     ifelse([$2], , [:], [$2])
   fi
 ])
+
+AC_DEFUN([CC_ATTRIBUTE_MALLOC], [
+  AC_REQUIRE([CC_CHECK_WERROR])
+  AC_CACHE_CHECK([if $CC supports __attribute__((__malloc__))],
+    [cc_cv_attribute_malloc],
+    [ac_save_CFLAGS="$CFLAGS"
+     CFLAGS="$CFLAGS $cc_cv_werror"
+     AC_COMPILE_IFELSE([void *fooalloc(int size) __attribute__((__malloc__));],
+       [cc_cv_attribute_malloc=yes],
+       [cc_cv_attribute_malloc=no])
+     CFLAGS="$ac_save_CFLAGS"
+    ])
+
+  if test x$cc_cv_attribute_malloc = xyes; then
+    AC_DEFINE([SUPPORT_ATTRIBUTE_MALLOC], 1, [Define this if the compiler supports __attribute__((__malloc__))])
+    ifelse([$1], , [:], [$1])
+  else
+    ifelse([$2], , [:], [$2])
+  fi
+])
-- 
cgit v1.2.3