From 5a04370b9b4ee537b8888653d68c9f9d7b7cf705 Mon Sep 17 00:00:00 2001
From: enge <enge@211d60ee-9f03-0410-a15a-8952a2c7a4e4>
Date: Mon, 1 Aug 2011 17:31:34 +0000
Subject: configure.ac: check for warning flags early on

git-svn-id: svn://scm.gforge.inria.fr/svn/mpc/trunk@1021 211d60ee-9f03-0410-a15a-8952a2c7a4e4
---
 configure.ac | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 7ae89e5..b325145 100644
--- a/configure.ac
+++ b/configure.ac
@@ -111,6 +111,9 @@ if test -z "$user_redefine_cc" ; then
    MPC_GMP_CC_CFLAGS
 fi
 
+# Check if compiler accepts warning flags and add them to CFLAGS
+MPC_C_CHECK_WARNINGCFLAGS
+
 
 # Checks for header files.
 AC_HEADER_STDC
@@ -123,6 +126,10 @@ AC_C_CONST
 AC_TYPE_SIZE_T
 
 # Checks for libraries.
+AC_CHECK_FUNCS([gettimeofday localeconv setlocale])
+AC_CHECK_FUNCS([dup dup2 fileno],,
+        [AC_DEFINE([NO_STREAM_REDIRECTION],1,[Do not check mpc_out_str on stdout])])
+
 AC_CHECK_LIB([gmp], [__gmpz_init],
              [LIBS="-lgmp $LIBS"],
              [AC_MSG_ERROR([libgmp not found or uses a different ABI (including static vs shared).])])
@@ -198,8 +205,6 @@ case $host in
 esac
 
 
-# Checks if compiler accepts warning flags.
-MPC_C_CHECK_WARNINGCFLAGS
 
 # Checks for gcc version, result in GCC_VERSION inside config.log, for instance
 AX_GCC_VERSION
@@ -207,13 +212,5 @@ AC_DEFINE_UNQUOTED([MPC_GCC], ["$GCC"], [Gcc yes or no])
 AC_DEFINE_UNQUOTED([MPC_CC], ["$CC"], [C compiler])
 AC_DEFINE_UNQUOTED([MPC_GCC_VERSION], ["$GCC_VERSION"], [Version of gcc])
 
-# Checks for library functions with warning flags.
-old_cflags=$CFLAGS
-CFLAGS="$CFLAGS $WARNINGCFLAGS"
-AC_CHECK_FUNCS([gettimeofday localeconv setlocale])
-AC_CHECK_FUNCS([dup dup2 fileno],,
-        [AC_DEFINE([NO_STREAM_REDIRECTION],1,[Do not check mpc_out_str on stdout])])
-CFLAGS=$old_cflags
-
 AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile doc/Makefile])
 AC_OUTPUT
-- 
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