Add -Wdeclaration-after-statement to default flags for gcc 3+

Message-ID: <20050424033748.GA23117@mccoy.peters.homeunix.org>

p4raw-id: //depot/perl@24313

diff --git a/Configure b/Configure
index cd5e7d4..e3dc44f 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -20,7 +20,7 @@
 
 # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
 #
-# Generated on Mon Apr 11 12:33:25 CEST 2005 [metaconfig 3.0 PL70]
+# Generated on Sun Apr 24 14:17:04 CEST 2005 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -4746,7 +4746,7 @@ default|recommended)
        ?*)     echo " "
                echo "Checking if your compiler accepts -pipe" 2>&1
                echo 'int main(void) { return 0; }' > gcctest.c
-               if $cc -O2 -pipe -o gcctest gcctest.c; then
+               if $cc -pipe -o gcctest gcctest.c; then
                        echo "Yes, it does." 2>&1
                        case "$ccflags" in
                        *-pipe*)
@@ -4757,6 +4757,20 @@ default|recommended)
                else
                        echo "Nope, it doesn't, but that's ok." 2>&1
                fi
+
+               echo "Checking if your compiler accepts -Wdeclaration-after-statement" 2>&1
+               echo 'int main(void) { return 0; }' > gcctest.c
+               if $cc -Wdeclaration-after-statement -o gcctest gcctest.c; then
+                       echo "Yes, it does." 2>&1
+                       case "$ccflags" in
+                       *-Wdeclaration-after-statement*)
+                               echo "Leaving current flags $ccflags alone." 2>&1
+                               ;;
+                       *) dflt="$dflt -Wdeclaration-after-statement" ;;
+                       esac
+               else
+                       echo "Nope, it doesn't, but that's ok." 2>&1
+               fi
                ;;
        esac
        ;;