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Message-ID: <20160611161212.GA29370@www.outflux.net>
Date: Sat, 11 Jun 2016 09:12:12 -0700
From: Kees Cook <keescook@...omium.org>
To: Michal Marek <mmarek@...e.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>,
Emese Revfy <re.emese@...il.com>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
Sudip Mukherjee <sudipm.mukherjee@...il.com>,
Linux-Next <linux-next@...r.kernel.org>,
linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com
Subject: [PATCH] gcc-plugins: disable under COMPILE_TEST
Since adding the gcc plugin development headers is required for the
gcc plugin support, we should ease into this new kernel build dependency
more slowly. For now, disable the gcc plugins under COMPILE_TEST so that
all*config builds will skip it.
Signed-off-by: Kees Cook <keescook@...omium.org>
---
arch/Kconfig | 1 +
lib/Kconfig.debug | 4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/Kconfig b/arch/Kconfig
index 83aa2a3c470d..3f06d678b1d7 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -366,6 +366,7 @@ config HAVE_GCC_PLUGINS
menuconfig GCC_PLUGINS
bool "GCC plugins"
depends on HAVE_GCC_PLUGINS
+ depends on !COMPILE_TEST
help
GCC plugins are loadable modules that provide extra features to the
compiler. They are useful for runtime instrumentation and static analysis.
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d40833b9b7f4..0f9981999a27 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -713,8 +713,8 @@ config KCOV
bool "Code coverage for fuzzing"
depends on ARCH_HAS_KCOV
select DEBUG_FS
- select GCC_PLUGINS
- select GCC_PLUGIN_SANCOV
+ select GCC_PLUGINS if !COMPILE_TEST
+ select GCC_PLUGIN_SANCOV if !COMPILE_TEST
help
KCOV exposes kernel code coverage information in a form suitable
for coverage-guided fuzzing (randomized testing).
--
2.7.4
--
Kees Cook
Chrome OS & Brillo Security
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