[Pkg-mpd-commits] [mpdscribble] 02/02: Fix autoconf 2.68 warning

[Andrey Rahmatullin]

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wrar-guest pushed a commit to branch upstream
in repository mpdscribble.

commit 979e96a50f12506420bbc65c409d00cb709e7c9e
Author: Andrey Rahmatullin <wrar at wrar.name>
Date:   Thu Feb 13 02:59:43 2014 +0600

    Fix autoconf 2.68 warning
    
    cflags.m4 emits warnings such as:
    
    configure.ac:146: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call
    detected in body
    ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
    ../../lib/autoconf/general.m4:2590: _AC_COMPILE_IFELSE is expanded from...
    ../../lib/autoconf/general.m4:2606: AC_COMPILE_IFELSE is expanded from...
    ../../lib/m4sugar/m4sh.m4:639: AS_IF is expanded from...
    ../../lib/autoconf/general.m4:2031: AC_CACHE_VAL is expanded from...
    ../../lib/autoconf/general.m4:2052: AC_CACHE_CHECK is expanded from...
    m4/cflags.m4:1: CHECK_CFLAG is expanded from...
    configure.ac:146: the top level
    
    This is a new warning in autoconf 2.68:
    
    ** The macros AC_PREPROC_IFELSE, AC_COMPILE_IFELSE, AC_LINK_IFELSE, and
       AC_RUN_IFELSE now warn if the first argument failed to use
       AC_LANG_SOURCE or AC_LANG_PROGRAM to generate the conftest file
       contents.  A new macro AC_LANG_DEFINES_PROVIDED exists if you have
       a compelling reason why you cannot use AC_LANG_SOURCE but must
       avoid the warning.
---
 m4/cflags.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/cflags.m4 b/m4/cflags.m4
index cc6d5fa..eec4e0b 100644
--- a/m4/cflags.m4
+++ b/m4/cflags.m4
@@ -3,7 +3,7 @@ AC_DEFUN([CHECK_CFLAG], [
     AC_CACHE_CHECK([whether the C compiler accepts $1],[check_cflag_$var],[
         save_CFLAGS="$CFLAGS"
         CFLAGS="$CFLAGS $1"
-        AC_COMPILE_IFELSE([int main(void) { return 0; }],
+        AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) { return 0; }])],
             [eval "check_cflag_$var=yes"],
             [eval "check_cflag_$var=no"])
         CFLAGS="$save_CFLAGS"

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