From a33ad4ebf0f5ef4094d30169b8d23bf499c8707f Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Sun, 4 May 2008 01:47:11 +0000
Subject: [PATCH] Merged revisions 115277 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/trunk

................
r115277 | file | 2008-05-03 22:45:21 -0300 (Sat, 03 May 2008) | 10 lines

Merged revisions 115276 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r115276 | file | 2008-05-03 22:43:26 -0300 (Sat, 03 May 2008) | 2 lines

Treat warnings as errors when checking if a GCC attribute exists. We have to do this as GCC will just ignore the attribute and pop up a warning, it won't actually fail to compile.

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................


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@115278 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 acinclude.m4 |  6 +++++-
 configure    | 26 +++++++++++++++++++++++++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/acinclude.m4 b/acinclude.m4
index 996ab6f701..e5f24fc57b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -7,13 +7,17 @@
 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 int __attribute__(($1)) test(void) {}],
 			[]),
 	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"
+)
 
 # Helper function to setup variables for a package.
 # $1 -> the package name. Used in configure.ac and also as a prefix
diff --git a/configure b/configure
index 76208abc99..4df267fdc9 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 114697 .
+# From configure.ac Revision: 114714 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for asterisk 1.6.
 #
@@ -16553,6 +16553,8 @@ rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
 
 { echo "$as_me:$LINENO: checking for compiler 'attribute pure' support" >&5
 echo $ECHO_N "checking for compiler 'attribute pure' support... $ECHO_C" >&6; }
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -16602,9 +16604,13 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+CFLAGS="$saved_CFLAGS"
+
 
 { echo "$as_me:$LINENO: checking for compiler 'attribute malloc' support" >&5
 echo $ECHO_N "checking for compiler 'attribute malloc' support... $ECHO_C" >&6; }
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -16654,9 +16660,13 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+CFLAGS="$saved_CFLAGS"
+
 
 { echo "$as_me:$LINENO: checking for compiler 'attribute const' support" >&5
 echo $ECHO_N "checking for compiler 'attribute const' support... $ECHO_C" >&6; }
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -16706,9 +16716,13 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+CFLAGS="$saved_CFLAGS"
+
 
 { echo "$as_me:$LINENO: checking for compiler 'attribute unused' support" >&5
 echo $ECHO_N "checking for compiler 'attribute unused' support... $ECHO_C" >&6; }
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -16758,9 +16772,13 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+CFLAGS="$saved_CFLAGS"
+
 
 { echo "$as_me:$LINENO: checking for compiler 'attribute always_inline' support" >&5
 echo $ECHO_N "checking for compiler 'attribute always_inline' support... $ECHO_C" >&6; }
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -16810,9 +16828,13 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+CFLAGS="$saved_CFLAGS"
+
 
 { echo "$as_me:$LINENO: checking for compiler 'attribute deprecated' support" >&5
 echo $ECHO_N "checking for compiler 'attribute deprecated' support... $ECHO_C" >&6; }
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -16862,6 +16884,8 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+CFLAGS="$saved_CFLAGS"
+
 
 { echo "$as_me:$LINENO: checking for -ffunction-sections support" >&5
 echo $ECHO_N "checking for -ffunction-sections support... $ECHO_C" >&6; }