AC_DEFUN(AC_COMPILER_WFLAGS,
[
	# Remove -g from compile flags, we will add via CFG variable if
	# we need it.
	CXXFLAGS=`echo "$CXXFLAGS " | sed "s/-g //"`
	CFLAGS=`echo "$CFLAGS " | sed "s/-g //"`

	# check for GNU compiler, and use -Wall
	if test "$GXX" = "yes"; then
		CXX_WFLAGS="-Wall"
		AC_DEFINE(USE_GNUCC)
	fi
	AC_SUBST(CXX_WFLAGS,$CXX_WFLAGS)
	AC_SUBST(C_WFLAGS,$C_WFLAGS)
])