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Message-Id: <1495829844-69341-3-git-send-email-keescook@chromium.org>
Date: Fri, 26 May 2017 13:17:06 -0700
From: Kees Cook <keescook@...omium.org>
To: kernel-hardening@...ts.openwall.com
Cc: Kees Cook <keescook@...omium.org>,
Laura Abbott <labbott@...hat.com>,
x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 02/20] gcc-plugins: Detail c-common.h location for GCC 4.6
The c-common.h file moved in stock gcc 4.7, not gcc 4.6. However, most
people building plugins with gcc 4.6 are using the Debian or Ubuntu
version, which includes a patch to move the headers to the 4.7 location.
In case anyone trips over this with a stock gcc 4.6, add a pointer to the
patch used by Debian/Ubuntu.
Signed-off-by: Kees Cook <keescook@...omium.org>
---
scripts/gcc-plugins/gcc-common.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index b232ab15624c..918953ca4527 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -63,6 +63,13 @@
#endif
#if BUILDING_GCC_VERSION >= 4006
+/*
+ * The c-family headers were moved into a subdirectory in GCC version
+ * 4.7, but most plugin-building users of GCC 4.6 are using the Debian
+ * or Ubuntu package, which has an out-of-tree patch to move this to the
+ * same location as found in 4.7 and later:
+ * https://sources.debian.net/src/gcc-4.6/4.6.3-14/debian/patches/pr45078.diff/
+ */
#include "c-family/c-common.h"
#else
#include "c-common.h"
--
2.7.4
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