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* [LTP] [PATCH] configure: add configure check for GCC -Wold-style-definition
@ 2014-04-11  9:26 Alexey Kodanev
  2014-04-14 14:27 ` chrubis
  2014-04-17 19:37 ` Mike Frysinger
  0 siblings, 2 replies; 6+ messages in thread
From: Alexey Kodanev @ 2014-04-11  9:26 UTC (permalink / raw)
  To: ltp-list; +Cc: vasily.isaenko

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
---
 configure.ac            |    1 +
 include/mk/config.mk.in |    2 +-
 m4/ltp-gcc_option.m4    |   37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 1 deletions(-)
 create mode 100644 m4/ltp-gcc_option.m4

diff --git a/configure.ac b/configure.ac
index 44016e7..23bd02a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -175,5 +175,6 @@ LTP_CHECK_FCHOWNAT
 LTP_CHECK_MKNODAT
 LTP_CHECK_FALLOCATE
 LTP_CHECK_SYSCALL_FCNTL
+LTP_CHECK_GCC_OPTION
 
 AC_OUTPUT
diff --git a/include/mk/config.mk.in b/include/mk/config.mk.in
index c83d08c..478b899 100644
--- a/include/mk/config.mk.in
+++ b/include/mk/config.mk.in
@@ -66,7 +66,7 @@ DEBUG_CXXFLAGS		?= $(DEBUG_CFLAGS)
 OPT_CFLAGS		?= -O2 -fno-strict-aliasing -pipe
 OPT_CXXFLAGS		?= $(OPT_CFLAGS)
 
-WCFLAGS			?= -Wall -W -Wold-style-definition
+WCFLAGS			?= -Wall -W @GCC_WARN_OLDSTYLE@
 WCXXFLAGS		?= $(WCFLAGS)
 
 LDFLAGS			+= $(WLDFLAGS)
diff --git a/m4/ltp-gcc_option.m4 b/m4/ltp-gcc_option.m4
new file mode 100644
index 0000000..93e67cd
--- /dev/null
+++ b/m4/ltp-gcc_option.m4
@@ -0,0 +1,37 @@
+dnl Copyright (c) 2014 Oracle and/or its affiliates. All Rights Reserved.
+dnl
+dnl This program is free software; you can redistribute it and/or
+dnl modify it under the terms of the GNU General Public License as
+dnl published by the Free Software Foundation; either version 2 of
+dnl the License, or (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it would be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write the Free Software Foundation,
+dnl Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+dnl
+dnl Author: Alexey Kodanev <alexey.kodanev@oracle.com>
+dnl
+
+AC_DEFUN([LTP_CHECK_GCC_OPTION],[dnl
+
+AC_MSG_CHECKING([for gcc -Wold-style-definition])
+
+backup_cflags="$CFLAGS"
+CFLAGS="-Wold-style-definition"
+
+AC_LINK_IFELSE(
+	[AC_LANG_PROGRAM([])],
+	[GCC_WARN_OLDSTYLE="$CFLAGS"]
+	[AC_MSG_RESULT([yes])],
+	[AC_MSG_RESULT([no])]
+)
+
+AC_SUBST(GCC_WARN_OLDSTYLE)
+CFLAGS="$backup_cflags"
+
+])
-- 
1.7.1


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^ permalink raw reply related	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-05-15 13:25 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-04-11  9:26 [LTP] [PATCH] configure: add configure check for GCC -Wold-style-definition Alexey Kodanev
2014-04-14 14:27 ` chrubis
2014-04-17 19:37 ` Mike Frysinger
2014-04-18  9:43   ` chrubis
2014-04-23 15:43     ` chrubis
2014-05-15 13:25       ` chrubis

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