From: Alp Toker <alp@nuanti.com>
Date: Mon, 9 Jun 2014 19:09:28 +0000 (+0000)
Subject: Disallow multiple inclusion of clang/Config/config.h
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8c3e414ef4a818a327c9b960fab9520fb99dc7cb;p=clang

Disallow multiple inclusion of clang/Config/config.h

Internal config.h headers are only meant to be included from the main file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@210487 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Config/config.h.cmake b/include/clang/Config/config.h.cmake
index 40a6cb3a2e..7629ef9129 100644
--- a/include/clang/Config/config.h.cmake
+++ b/include/clang/Config/config.h.cmake
@@ -1,4 +1,8 @@
-#ifndef CONFIG_H
+/* This generated file is for internal use. Do not include it from headers. */
+
+#ifdef CONFIG_H
+#error config.h can only be included once
+#else
 #define CONFIG_H
 
 /* Bug report URL. */
diff --git a/include/clang/Config/config.h.in b/include/clang/Config/config.h.in
index 450ea9b613..1530fefaa5 100644
--- a/include/clang/Config/config.h.in
+++ b/include/clang/Config/config.h.in
@@ -1,4 +1,8 @@
-#ifndef CONFIG_H
+/* This generated file is for internal use. Do not include it from headers. */
+
+#ifdef CONFIG_H
+#error config.h can only be included once
+#else
 #define CONFIG_H
 
 /* Bug report URL. */