path: root/scripts
diff options
authorJeroen Hofstee <>2014-07-30 21:54:51 +0200
committerAlbert ARIBAUD <>2014-09-09 13:51:00 +0200
commit1401d87b444bf114528e997db552d22142918d33 (patch)
tree70fa62638dc0dd292fa6773b39e35a1cebeba67c /scripts
parentf0c3a6c4ad09210d5d4aeafe87685ee75e5683d6 (diff)
cc-option: also detect unsupported warnings options
By default clang will echo a warning if a warning option is unknown. Turning warnings into errors when polling for options also catches such cases and prevents passing arguments to the compiler which cause warnings. cc: Masahiro Yamada <> cc: Tom Rini <> Signed-off-by: Jeroen Hofstee <>
Diffstat (limited to 'scripts')
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index c664e39be6..4c333599c1 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -113,12 +113,12 @@ as-instr = $(call try-run,\
# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
cc-option = $(call try-run,\
- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
+ $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
# cc-option-yn
# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
cc-option-yn = $(call try-run,\
- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
+ $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
# cc-option-align
# Prefix align with either -falign or -malign
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