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[PATCH] Add CONFIG_HEADERS_CHECK option to automatically run 'make headers_check' 

In order to encourage people to notice when they break the exported
headers, add a config option which automatically runs the sanity checks
when building vmlinux.  That way, those who use allyesconfig will notice
failures.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Woodhouse 2006-10-11 01:21:43 -07:00 committed by Linus Torvalds
parent c21be1c9c1
commit 0f836e5fec
2 changed files with 16 additions and 0 deletions
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3
Makefile
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@ -741,6 +741,9 @@ endif # ifdef CONFIG_KALLSYMS
# vmlinux image - including updated kernel symbols
vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
ifdef CONFIG_HEADERS_CHECK
$(Q)$(MAKE) headers_check
endif
$(call if_changed_rule,vmlinux__)
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
$(Q)rm -f .old_version

13
lib/Kconfig.debug
View File

@ -371,6 +371,19 @@ config FORCED_INLINING
become the default in the future, until then this option is there to
test gcc for this.
config HEADERS_CHECK
bool "Run 'make headers_check' when building vmlinux"
help
This option will extract the user-visible kernel headers whenever
building the kernel, and will run basic sanity checks on them to
ensure that exported files do not attempt to include files which
were not exported, etc.
If you're making modifications to header files which are
relevant for userspace, say 'Y', and check the headers
exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in
your build tree), to make sure they're suitable.
config RCU_TORTURE_TEST
tristate "torture tests for RCU"
depends on DEBUG_KERNEL