Messages in this thread | | | Date | Wed, 9 Mar 2011 18:56:25 +0100 | From | Sam Ravnborg <> | Subject | Re: [PATCH -v5] kbuild: Add extra gcc checks |
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> Another, related, very nice kbuild feature would be to allow for arch maintainers to > mark certain files as "should only build fine without warnings" - i.e. -Werror > should be the default. There would be a Kconfig feature to opt out of this, > CONFIG_CC_IGNORE_WARNINGS=y or so. This would allow for people to still build the > kernel with old (or buggy) versions of GCC.
To add -Werror for all files conditionally you can do:
ccflags-$(CONFIG_WERROR) += -Werror
For individual files we can then drop -Werror like this:
CFLAGS_REMOVE_foobar.o := -Werror
So it should be doable with the existing infrastructure.
Sam
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