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From s.@apache.org
Subject svn commit: r1057868 - /httpd/httpd/trunk/configure.in
Date Tue, 11 Jan 2011 21:13:20 GMT
Author: sf
Date: Tue Jan 11 21:13:20 2011
New Revision: 1057868

URL: http://svn.apache.org/viewvc?rev=1057868&view=rev
Log:
Use -Wdeclaration-after-statement in maintainer mode if we use a recent
enough gcc.

Modified:
    httpd/httpd/trunk/configure.in

Modified: httpd/httpd/trunk/configure.in
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/configure.in?rev=1057868&r1=1057867&r2=1057868&view=diff
==============================================================================
--- httpd/httpd/trunk/configure.in (original)
+++ httpd/httpd/trunk/configure.in Tue Jan 11 21:13:20 2011
@@ -530,6 +530,16 @@ AC_ARG_ENABLE(maintainer-mode,APACHE_HEL
   APR_ADDTO(CPPFLAGS, -DAP_DEBUG)
   if test "$GCC" = "yes"; then
     APR_ADDTO(CFLAGS,[-Wall -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations])
+    AC_CACHE_CHECK([whether gcc accepts -Wdeclaration-after-statement], [ap_cv_cc_Wdas],
[
+      save_CFLAGS=$CFLAGS
+      CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+      AC_COMPILE_IFELSE([int foo() { return 0; }],
+        [ap_cv_cc_Wdas=yes], [ap_cv_cc_Wdas=no])
+      CFLAGS=$save_CFLAGS
+    ])
+    if test "$ap_cv_cc_Wdas" = "yes"; then
+      APR_ADDTO(CFLAGS,[-Wdeclaration-after-statement])
+    fi
   elif test "$AIX_XLC" = "yes"; then
     APR_ADDTO(CFLAGS,-qfullpath -qinitauto=FE -qcheck=all -qinfo=pro)
   fi



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