# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1294922986 18000
# Node ID a2289858dcb218cc64151021b7c6e174097747c2
# Parent  e4e82740e9cd6f553f728b649bfb53286aaa8379
more warning flags for GCC if configured with --enable-extra-warning-flags (on by default)

diff -r e4e82740e9cd -r a2289858dcb2 ChangeLog
--- a/ChangeLog	Thu Jan 13 07:23:36 2011 -0500
+++ b/ChangeLog	Thu Jan 13 07:49:46 2011 -0500
@@ -1,3 +1,9 @@
+2011-01-13  John W. Eaton  <jwe@octave.org>
+
+	* configure.ac (AC_ARG_ENABLE(extra-warning-flags)): Check for
+	-Wcast-qual and -Wcast-align and add them to WARN_CFLAGS and
+	WARN_CXXFLAGS.
+
 2011-01-13  John W. Eaton  <jwe@octave.org>
 
 	* configure.ac (AC_ARG_ENABLE(extra-warning-flags)): Check for
diff -r e4e82740e9cd -r a2289858dcb2 configure.ac
--- a/configure.ac	Thu Jan 13 07:23:36 2011 -0500
+++ b/configure.ac	Thu Jan 13 07:49:46 2011 -0500
@@ -1863,6 +1863,12 @@
   OCTAVE_CC_FLAG(-Wwrite-strings, [
     WARN_CFLAGS="$WARN_CFLAGS -Wwrite-strings";
     AC_MSG_RESULT([adding -Wwrite-strings to WARN_CFLAGS])])
+  OCTAVE_CC_FLAG(-Wcast-align, [
+    WARN_CFLAGS="$WARN_CFLAGS -Wcast-align";
+    AC_MSG_RESULT([adding -Wcast-align to WARN_CFLAGS])])
+  OCTAVE_CC_FLAG(-Wcast-qual, [
+    WARN_CFLAGS="$WARN_CFLAGS -Wcast-qual";
+    AC_MSG_RESULT([adding -Wcast-qual to WARN_CFLAGS])])
 
   OCTAVE_CXX_FLAG(-Wall, [
     WARN_CXXFLAGS="$WARN_CXXFLAGS -Wall";
@@ -1885,11 +1891,17 @@
   OCTAVE_CXX_FLAG(-Wwrite-strings, [
     WARN_CXXFLAGS="$WARN_CXXFLAGS -Wwrite-strings";
     AC_MSG_RESULT([adding -Wwrite-strings to WARN_CXXFLAGS])])
+  OCTAVE_CXX_FLAG(-Wcast-align, [
+    WARN_CXXFLAGS="$WARN_CXXFLAGS -Wcast-align";
+    AC_MSG_RESULT([adding -Wcast-align to WARN_CXXFLAGS])])
+  OCTAVE_CXX_FLAG(-Wcast-qual, [
+    WARN_CXXFLAGS="$WARN_CXXFLAGS -Wcast-qual";
+    AC_MSG_RESULT([adding -Wcast-qual to WARN_CXXFLAGS])])
 fi
 
-GCC_STRICT_FLAGS="-Wcast-align -Wcast-qual -Wconversion"
+GCC_STRICT_FLAGS="-Wconversion"
 
-GXX_STRICT_FLAGS="-Wcast-align -Wcast-qual -Wconversion -Weffc++"
+GXX_STRICT_FLAGS="-Wconversion -Weffc++"
 
 try_strict_warning_flags=false