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kbuild: refactor headers_* targets in Makefile 

o Use lower case for local variables
o Add a helper target for common targets
o Use $(hdr-inst)= ... to make Make invocations simpler
o Add -rR to make invocations

In total this adds more lines than it removes but the
benefit is better readability

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Sam Ravnborg 2008-06-05 16:43:46 +02:00
parent 5047887caf
commit e6883b1879
1 changed files with 23 additions and 16 deletions
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39
Makefile
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@ -1010,36 +1010,43 @@ firmware_install: FORCE
# ---------------------------------------------------------------------------
# Kernel headers
INSTALL_HDR_PATH=$(objtree)/usr
export INSTALL_HDR_PATH
HDRFILTER=generic i386 x86_64
HDRARCHES=$(filter-out $(HDRFILTER),$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild)))
#Default location for installed headers
export INSTALL_HDR_PATH = $(objtree)/usr
hdr-filter := generic um ppc
hdr-archs := $(filter-out $(hdr-filter), \
$(patsubst $(srctree)/include/asm-%/Kbuild,%, \
$(wildcard $(srctree)/include/asm-*/Kbuild)))
hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
PHONY += __headers
__headers: include/linux/version.h scripts_basic FORCE
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
PHONY += headers_install_all
headers_install_all: include/linux/version.h scripts_basic FORCE
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
$(Q)for arch in $(HDRARCHES); do \
$(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
headers_install_all: __headers
$(Q)for arch in $(hdr-archs); do \
$(MAKE) ARCH=$$arch $(hdr-inst)=include BIASMDIR=-bi-$$arch ;\
done
PHONY += headers_install
headers_install: include/linux/version.h scripts_basic FORCE
@if [ ! -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
headers_install: __headers
$(Q)if [ ! -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
echo '*** Error: Headers not exportable for this architecture ($(SRCARCH))'; \
exit 1 ; fi
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include
exit 1 ; \
fi
$(Q)$(MAKE) $(hdr-inst)=include ARCH=$(SRCARCH)
PHONY += headers_check_all
headers_check_all: headers_install_all
$(Q)for arch in $(HDRARCHES); do \
$(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch HDRCHECK=1 ;\
$(Q)for arch in $(hdr-archs); do \
$(MAKE) ARCH=$$arch $(hdr-inst)=include BIASMDIR=-bi-$$arch HDRCHECK=1 ;\
done
PHONY += headers_check
headers_check: headers_install
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include HDRCHECK=1
$(Q)$(MAKE) $(hdr-inst)=include ARCH=$(SRCARCH) HDRCHECK=1
# ---------------------------------------------------------------------------
# Modules