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List:       xine-cvslog
Subject:    [xine-cvs] HG: xine-lib: Backport CC_CHECK_LDFLAGS macro from 1.2
From:       "=?UTF-8?Q?Diego=20'Flameeyes'=20Petten=C3=B2?=" <flameeyes () gmail ! com>
Date:       2008-05-24 0:20:33
Message-ID: 77e0e9adb0206c505f63.1211587281 () hg ! debian ! org
[Download RAW message or body]

# HG changeset patch
# User Diego 'Flameeyes' Pettenò <flameeyes@gmail.com>
# Date 1211587281 -7200
# Node ID 77e0e9adb0206c505f634fd5a5d1496c475e5fe0
# Parent  686ae070079bad93a9a2ce3431b579c129db8531
Backport CC_CHECK_LDFLAGS macro from 1.2 branch.

diff -r 77e0e9adb0206c505f634fd5a5d1496c475e5fe0 -r \
                686ae070079bad93a9a2ce3431b579c129db8531 m4/attributes.m4
--- a/m4/attributes.m4	Sat May 24 02:01:21 2008 +0200
+++ b/m4/attributes.m4	Sat May 24 00:34:56 2008 +0200
@@ -56,6 +56,21 @@ AC_DEFUN([CC_CHECK_CFLAGS], [
     [$2], [$3])
 ])
 
+AC_DEFUN([CC_CHECK_LDFLAGS], [
+  AC_CACHE_CHECK([if $CC supports $1 flag],
+    AS_TR_SH([cc_cv_ldflags_$1]),
+    [ac_save_LDFLAGS="$LDFLAGS"
+     LDFLAGS="$LDFLAGS $1"
+     AC_LINK_IFELSE([int main() { return 1; }],
+       [eval "AS_TR_SH([cc_cv_ldflags_$1])='yes'"],
+       [eval "AS_TR_SH([cc_cv_ldflags_$1])="])
+     LDFLAGS="$ac_save_LDFLAGS"
+    ])
+
+  AS_IF([test x$]AS_TR_SH([cc_cv_ldflags_$1])[ = xyes],
+    [$2], [$3])
+])
+
 dnl Check for a -Werror flag or equivalent. -Werror is the GCC
 dnl and ICC flag that tells the compiler to treat all the warnings
 dnl as fatal. We usually need this option to make sure that some

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