From: Olaf Hering <olaf@aepfle.de>
To: xen-devel@lists.xensource.com
Cc: Roger Pau Monne <roger.pau@citrix.com>
Subject: [PATCH 2 of 3] tools/m4: add AC_LANG_SOURCE to fix autoconf warnings
Date: Wed, 13 Jun 2012 10:01:46 +0200 [thread overview]
Message-ID: <57679d60e43077004757.1339574506@probook.site> (raw)
In-Reply-To: <patchbomb.1339574504@probook.site>
# HG changeset patch
# User Olaf Hering <olaf@aepfle.de>
# Date 1339574439 -7200
# Node ID 57679d60e43077004757aede949e41b5e297e028
# Parent ea554d05821b95a7e96e4a25cbf953c5abe35aeb
tools/m4: add AC_LANG_SOURCE to fix autoconf warnings
I see these warnings with autoconf 2.68, add AC_LANG_SOURCE as suggested
by upstream documentation.
...
# bash autogen.sh
configure.ac:141: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
../../lib/autoconf/lang.m4:194: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2662: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2679: AC_LINK_IFELSE is expanded from...
../../lib/m4sugar/m4sh.m4:606: AS_IF is expanded from...
../../lib/autoconf/general.m4:2032: AC_CACHE_VAL is expanded from...
../../lib/autoconf/general.m4:2053: AC_CACHE_CHECK is expanded from...
m4/pthread.m4:21: AX_CHECK_PTHREAD is expanded from...
configure.ac:141: the top level
configure.ac:142: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
../../lib/autoconf/lang.m4:194: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2662: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2679: AC_LINK_IFELSE is expanded from...
../../lib/m4sugar/m4sh.m4:606: AS_IF is expanded from...
../../lib/autoconf/general.m4:2032: AC_CACHE_VAL is expanded from...
../../lib/autoconf/general.m4:2053: AC_CACHE_CHECK is expanded from...
m4/ptyfuncs.m4:1: AX_CHECK_PTYFUNCS is expanded from...
configure.ac:142: the top level
configure.ac:141: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
../../lib/autoconf/lang.m4:194: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2662: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2679: AC_LINK_IFELSE is expanded from...
../../lib/m4sugar/m4sh.m4:606: AS_IF is expanded from...
../../lib/autoconf/general.m4:2032: AC_CACHE_VAL is expanded from...
../../lib/autoconf/general.m4:2053: AC_CACHE_CHECK is expanded from...
m4/pthread.m4:21: AX_CHECK_PTHREAD is expanded from...
configure.ac:141: the top level
configure.ac:142: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
../../lib/autoconf/lang.m4:194: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2662: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2679: AC_LINK_IFELSE is expanded from...
../../lib/m4sugar/m4sh.m4:606: AS_IF is expanded from...
../../lib/autoconf/general.m4:2032: AC_CACHE_VAL is expanded from...
../../lib/autoconf/general.m4:2053: AC_CACHE_CHECK is expanded from...
m4/ptyfuncs.m4:1: AX_CHECK_PTYFUNCS is expanded from...
configure.ac:142: the top level
Signed-off-by: Olaf Hering <olaf@aepfle.de>
diff -r ea554d05821b -r 57679d60e430 tools/m4/pthread.m4
--- a/tools/m4/pthread.m4
+++ b/tools/m4/pthread.m4
@@ -24,13 +24,13 @@ AC_DEFUN([AX_CHECK_PTHREAD],[
AX_PTHREAD_CV2VARS
AX_PTHREAD_VARS([AX_SAVEVAR_SAVE])
AX_PTHREAD_VARS([AX_PTHREAD_VAR_APPLY])
- AC_LINK_IFELSE([
+ AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <pthread.h>
int main(void) {
pthread_atfork(0,0,0);
pthread_create(0,0,0,0);
}
-],[],[ax_cv_pthread_flags=failed])
+])],[],[ax_cv_pthread_flags=failed])
AX_PTHREAD_VARS([AX_SAVEVAR_RESTORE])
])
if test "x$ax_cv_pthread_flags" = xfailed; then
diff -r ea554d05821b -r 57679d60e430 tools/m4/ptyfuncs.m4
--- a/tools/m4/ptyfuncs.m4
+++ b/tools/m4/ptyfuncs.m4
@@ -9,7 +9,7 @@ AC_DEFUN([AX_CHECK_PTYFUNCS], [
fi
AX_SAVEVAR_SAVE(LIBS)
LIBS="$LIBS $ax_cv_ptyfuncs_libs"
- AC_LINK_IFELSE([
+ AC_LINK_IFELSE([AC_LANG_SOURCE([
#ifdef INCLUDE_LIBUTIL_H
#include INCLUDE_LIBUTIL_H
#endif
@@ -17,7 +17,7 @@ int main(void) {
openpty(0,0,0,0,0);
login_tty(0);
}
-],[
+])],[
break
],[])
AX_SAVEVAR_RESTORE(LIBS)
next prev parent reply other threads:[~2012-06-13 8:01 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-13 8:01 [PATCH 0 of 3] tools/configure.ac changes Olaf Hering
2012-06-13 8:01 ` [PATCH 1 of 3] tools/configure.ac: add version check for glib2 Olaf Hering
2012-06-13 8:14 ` Ian Campbell
2012-06-13 8:56 ` Roger Pau Monne
2012-06-13 8:58 ` Ian Campbell
2012-06-13 9:01 ` Roger Pau Monne
2012-06-13 9:41 ` Ian Campbell
2012-06-13 12:54 ` Olaf Hering
2012-06-13 8:01 ` Olaf Hering [this message]
2012-06-13 8:01 ` [PATCH 3 of 3] tools/configure.ac: fill PACKAGE_TARNAME in AC_INIT Olaf Hering
2012-06-13 8:59 ` Roger Pau Monne
-- strict thread matches above, loose matches on Subject: below --
2012-06-13 13:10 [PATCH 0 of 3] [v2] tools/configure.ac changes Olaf Hering
2012-06-13 13:10 ` [PATCH 2 of 3] tools/m4: add AC_LANG_SOURCE to fix autoconf warnings Olaf Hering
2012-06-26 16:16 ` Ian Campbell
2012-07-04 13:34 ` Ian Campbell
2012-07-04 13:39 ` Olaf Hering
2012-07-04 13:54 ` Ian Campbell
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