AcoSail/kernel_optimize_test
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kbuild: move headers_check rule to usr/include/Makefile

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Currently, some sanity checks for uapi headers are done by
scripts/headers_check.pl, which is wired up to the 'headers_check'
target in the top Makefile.

It is true compiling headers has better test coverage, but there
are still several headers excluded from the compile test. I like
to keep headers_check.pl for a while, but we can delete a lot of
code by moving the build rule to usr/include/Makefile.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2019-11-07 16:14:41 +09:00
parent fcbb8461fd
commit 7ecaf069da
4 changed files with 9 additions and 40 deletions
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11
Makefile
View File

@ -1193,19 +1193,15 @@ headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
$(Q)$(MAKE) $(hdr-inst)=include/uapi
$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi
# Deprecated. It is no-op now.
PHONY += headers_check
headers_check: headers
$(Q)$(MAKE) $(hdr-inst)=include/uapi HDRCHECK=1
$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi HDRCHECK=1
headers_check:
@:
ifdef CONFIG_HEADERS_INSTALL
prepare: headers
endif
ifdef CONFIG_HEADERS_CHECK
all: headers_check
endif
PHONY += scripts_unifdef
scripts_unifdef: scripts_basic
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
@ -1473,7 +1469,6 @@ help:
@echo ' versioncheck - Sanity check on version.h usage'
@echo ' includecheck - Check for duplicate included header files'
@echo ' export_report - List the usages of all exported symbols'
@echo ' headers_check - Sanity check on exported headers'
@echo ' headerdep - Detect inclusion cycles in headers'
@echo ' coccicheck - Check with Coccinelle'
@echo ''

11
lib/Kconfig.debug
View File

@ -299,17 +299,6 @@ config HEADERS_INSTALL
user-space program samples. It is also needed by some features such
as uapi header sanity checks.
config HEADERS_CHECK
bool "Run sanity checks on uapi headers when building 'all'"
depends on HEADERS_INSTALL
help
This option will run basic sanity checks on uapi headers when
building the 'all' target, for example, ensure that they 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'.
config OPTIMIZE_INLINING
def_bool y
help

18
scripts/Makefile.headersinst
View File

@ -56,9 +56,6 @@ new-dirs := $(filter-out $(existing-dirs), $(wanted-dirs))
$(if $(new-dirs), $(shell mkdir -p $(new-dirs)))
# Rules
ifndef HDRCHECK
quiet_cmd_install = HDRINST $@
cmd_install = $(CONFIG_SHELL) $(srctree)/scripts/headers_install.sh $< $@
@ -81,21 +78,6 @@ existing-headers := $(filter $(old-headers), $(all-headers))
-include $(foreach f,$(existing-headers),$(dir $(f)).$(notdir $(f)).cmd)
else
quiet_cmd_check = HDRCHK $<
cmd_check = $(PERL) $(srctree)/scripts/headers_check.pl $(dst) $(SRCARCH) $<; touch $@
check-files := $(addsuffix .chk, $(all-headers))
$(check-files): $(dst)/%.chk : $(dst)/% $(srctree)/scripts/headers_check.pl
$(call cmd,check)
__headers: $(check-files)
@:
endif
PHONY += FORCE
FORCE:

9
usr/include/Makefile
View File

@ -95,11 +95,14 @@ endif
# asm-generic/*.h is used by asm/*.h, and should not be included directly
header-test- += asm-generic/%
extra-y := $(patsubst %.h,%.hdrtest, $(filter-out $(header-test-), \
$(patsubst $(obj)/%,%, $(shell find $(obj) -name '*.h'))))
extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h'))
quiet_cmd_hdrtest = HDRTEST $<
cmd_hdrtest = $(CC) $(c_flags) -S -o /dev/null -x c /dev/null -include $<; touch $@
cmd_hdrtest = \
$(CC) $(c_flags) -S -o /dev/null -x c /dev/null \
$(if $(filter-out $(header-test-), $*.h), -include $<); \
$(PERL) $(srctree)/scripts/headers_check.pl $(obj) $(SRCARCH) $<; \
touch $@
$(obj)/%.hdrtest: $(obj)/%.h FORCE
$(call if_changed_dep,hdrtest)