Changes to allow compilation with -Wwrite-strings. That compiler option
is not used for testcases, just for valgrind proper.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13137 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 17deedd..31e0815 100644
--- a/configure.in
+++ b/configure.in
@@ -1417,6 +1417,29 @@
AM_CONDITIONAL(HAS_POINTER_SIGN_WARNING, test x$no_pointer_sign = xyes)
+# does this compiler support -Wno-write-strings ?
+AC_MSG_CHECKING([if gcc accepts -Wwrite-strings])
+
+safe_CFLAGS=$CFLAGS
+CFLAGS="-Wwrite-strings"
+
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+ return 0;
+]])], [
+no_write_strings=yes
+AC_MSG_RESULT([yes])
+], [
+no_write_strings=no
+AC_MSG_RESULT([no])
+])
+CFLAGS=$safe_CFLAGS
+
+if test x$no_write_strings = xyes; then
+ CFLAGS="$CFLAGS -Wwrite-strings"
+fi
+
+AM_CONDITIONAL(HAS_WRITE_STRINGS_WARNING, test x$no_write_strings = xyes)
+
# does this compiler support -Wno-empty-body ?
AC_MSG_CHECKING([if gcc accepts -Wno-empty-body])