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authorJan-Simon Möller <dl9pf@gmx.de>2012-11-14 10:39:57 +0100
committerBehan Webster <behanw@converseincode.com>2014-04-09 13:44:34 -0700
commit3d3d6b8474204b6819688c9800774d52d370a538 (patch)
tree0ea1f638f5d13c947365eba9b081ea2f59a3c1fb /scripts
parent61163efae02040f66a95c8ed17f4407951ba58fa (diff)
downloadlinux-3d3d6b8474204b6819688c9800774d52d370a538.tar.gz
kbuild: LLVMLinux: Adapt warnings for compilation with clang
When compiling kernel with clang, disable warnings which are too noisy, and add the clang flag catch-undefined-behavior. Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de> Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Mark Charlebois <mcharleb@gmail.com> Cc: PaX Team <pageexec@freemail.hu>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.build12
1 files changed, 11 insertions, 1 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 9f0ee22b914f..003bc263105a 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -65,12 +65,22 @@ warning- := $(empty)
warning-1 := -Wextra -Wunused -Wno-unused-parameter
warning-1 += -Wmissing-declarations
warning-1 += -Wmissing-format-attribute
-warning-1 += -Wmissing-prototypes
+warning-1 += $(call cc-option, -Wmissing-prototypes)
warning-1 += -Wold-style-definition
warning-1 += $(call cc-option, -Wmissing-include-dirs)
warning-1 += $(call cc-option, -Wunused-but-set-variable)
warning-1 += $(call cc-disable-warning, missing-field-initializers)
+# Clang
+warning-1 += $(call cc-disable-warning, initializer-overrides)
+warning-1 += $(call cc-disable-warning, unused-value)
+warning-1 += $(call cc-disable-warning, format)
+warning-1 += $(call cc-disable-warning, unknown-warning-option)
+warning-1 += $(call cc-disable-warning, sign-compare)
+warning-1 += $(call cc-disable-warning, format-zero-length)
+warning-1 += $(call cc-disable-warning, uninitialized)
+warning-1 += $(call cc-option, -fcatch-undefined-behavior)
+
warning-2 := -Waggregate-return
warning-2 += -Wcast-align
warning-2 += -Wdisabled-optimization