From 3d67e2adeabf663491afdaf3e233e04256f48c41 Mon Sep 17 00:00:00 2001
From: "Kevin P. Fleming" <kpfleming@digium.com>
Date: Mon, 20 Oct 2008 04:59:04 +0000
Subject: Merged revisions 151240 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r151240 | kpfleming | 2008-10-20 07:45:56 +0300 (Mon, 20 Oct 2008) | 3 lines

  break up acinclude.m4 into individual files, which will make it easier to maintain, easier to add new macros (less patching) and will ease maintenance of these macros across Asterisk branches
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@151242 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 autoconf/ast_gcc_attribute.m4 | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 autoconf/ast_gcc_attribute.m4

(limited to 'autoconf/ast_gcc_attribute.m4')

diff --git a/autoconf/ast_gcc_attribute.m4 b/autoconf/ast_gcc_attribute.m4
new file mode 100644
index 000000000..d47d375e6
--- /dev/null
+++ b/autoconf/ast_gcc_attribute.m4
@@ -0,0 +1,17 @@
+# Helper function to check for gcc attributes.
+# AST_GCC_ATTRIBUTE([attribute name])
+
+AC_DEFUN([AST_GCC_ATTRIBUTE],
+[
+AC_MSG_CHECKING(for compiler 'attribute $1' support)
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
+AC_COMPILE_IFELSE(
+	AC_LANG_PROGRAM([static void __attribute__(($1)) *test(void *muffin, ...) {}],
+			[]),
+	AC_MSG_RESULT(yes)
+	AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]),
+	AC_MSG_RESULT(no))
+]
+CFLAGS="$saved_CFLAGS"
+)
-- 
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