--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/utilities/compilerWarnings.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_UTILITIES_COMPILERWARNINGS_HPP
+#define SHARE_VM_UTILITIES_COMPILERWARNINGS_HPP
+
+// Macros related to control of compiler warnings.
+
+// We presently only have interesting macros here for gcc and variants,
+// so it's not worth going through the COMPILER_HEADER() dispatch, with
+// all the non-gcc files being empty.
+#ifdef TARGET_COMPILER_gcc
+
+// Diagnostic pragmas like the ones defined below in PRAGMA_FORMAT_NONLITERAL_IGNORED
+// were only introduced in GCC 4.2. Because we have no other possibility to ignore
+// these warnings for older versions of GCC, we simply don't decorate our printf-style
+// functions with __attribute__(format) in that case.
+#if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 2)) || (__GNUC__ > 4)
+#ifndef ATTRIBUTE_PRINTF
+#define ATTRIBUTE_PRINTF(fmt,vargs)  __attribute__((format(printf, fmt, vargs)))
+#endif
+#ifndef ATTRIBUTE_SCANF
+#define ATTRIBUTE_SCANF(fmt,vargs)  __attribute__((format(scanf, fmt, vargs)))
+#endif
+#endif // gcc version check
+
+#define PRAGMA_FORMAT_NONLITERAL_IGNORED _Pragma("GCC diagnostic ignored \"-Wformat-nonliteral\"") \
+                                         _Pragma("GCC diagnostic ignored \"-Wformat-security\"")
+#define PRAGMA_FORMAT_IGNORED _Pragma("GCC diagnostic ignored \"-Wformat\"")
+
+#if defined(__clang_major__) && \
+      (__clang_major__ >= 4 || \
+      (__clang_major__ >= 3 && __clang_minor__ >= 1)) || \
+    ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
+// Tested to work with clang version 3.1 and better.
+#define PRAGMA_DIAG_PUSH             _Pragma("GCC diagnostic push")
+#define PRAGMA_DIAG_POP              _Pragma("GCC diagnostic pop")
+
+#endif // clang/gcc version check
+
+#endif // TARGET_COMPILER_gcc
+
+// Defaults when not defined for the TARGET_COMPILER_xxx.
+
+#ifndef ATTRIBUTE_PRINTF
+#define ATTRIBUTE_PRINTF(fmt, vargs)
+#endif
+#ifndef ATTRIBUTE_SCANF
+#define ATTRIBUTE_SCANF(fmt, vargs)
+#endif
+
+#ifndef PRAGMA_FORMAT_NONLITERAL_IGNORED
+#define PRAGMA_FORMAT_NONLITERAL_IGNORED
+#endif
+#ifndef PRAGMA_FORMAT_IGNORED
+#define PRAGMA_FORMAT_IGNORED
+#endif
+
+#ifndef PRAGMA_DIAG_PUSH
+#define PRAGMA_DIAG_PUSH
+#endif
+#ifndef PRAGMA_DIAG_POP
+#define PRAGMA_DIAG_POP
+#endif
+
+#endif // SHARE_VM_UTILITIES_COMPILERWARNINGS_HPP