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-rw-r--r--arch/Kconfig7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 835d55d52104..19483aea4bbc 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -364,8 +364,9 @@ menuconfig GCC_PLUGINS
See Documentation/gcc-plugins.txt for details.
config GCC_PLUGIN_CYC_COMPLEXITY
- bool "Compute the cyclomatic complexity of a function"
+ bool "Compute the cyclomatic complexity of a function" if EXPERT
depends on GCC_PLUGINS
+ depends on !COMPILE_TEST
help
The complexity M of a function's control flow graph is defined as:
M = E - N + 2P
@@ -375,6 +376,10 @@ config GCC_PLUGIN_CYC_COMPLEXITY
N = the number of nodes
P = the number of connected components (exit nodes).
+ Enabling this plugin reports the complexity to stderr during the
+ build. It mainly serves as a simple example of how to create a
+ gcc plugin for the kernel.
+
config GCC_PLUGIN_SANCOV
bool
depends on GCC_PLUGINS