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Creation of version.h header file.

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This commit adapts the root Makefile to generate the version.h
header with the format expected by embedded os.

Signed-off-by: Juan Manuel Cruz <juan.m.cruz.alcaraz@linux.intel.com>
Change-Id: Ib394ad6b3fab4f02f6953d83d04f13404df87832
This commit is contained in:
Juan Manuel Cruz 2015-02-15 21:46:45 -06:00 • committed by Anas Nashif
commit 6de34008ab
1 changed files with 28 additions and 11 deletions
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39
Makefile
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@ -1,8 +1,11 @@
VERSION = 3
PATCHLEVEL = 19
SUBLEVEL = 0
EXTRAVERSION =
NAME = Diseased Newt
VERSION_GENERATION = 2
VERSION_MAJOR = 2
VERSION_MINOR = 3
VERSION_REVISION = 0
VERSION_RESERVED = 0
PATCHLEVEL = 0
SUBLEVEL = 0
NAME = Tiny Mountain
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
@ -414,9 +417,10 @@ KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
# Read KERNELRELEASE from include/config/kernel.release (if it exists)
KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
KERNELVERSION = $(VERSION_GENERATION).$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_REVISION)
export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
export VERSION_GENERATION VERSION_MAJOR VERSION_MINOR VERSION_REVISION VERSION_RESERVED
export PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC
export CPP AR NM STRIP OBJCOPY OBJDUMP
export MAKE AWK GENKSYMS INSTALLKERNEL PERL PYTHON UTS_MACHINE
@ -481,7 +485,7 @@ asm-generic:
# Detect when mixed targets is specified, and make a second invocation
# of make so .config is not included in this case either (for *config).
version_h := include/generated/uapi/linux/version.h
version_h := include/generated/version.h
old_version_h := include/linux/version.h
no-dot-config-targets := clean mrproper distclean \
@ -999,10 +1003,23 @@ define filechk_utsrelease.h
(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";)
endef
KERNEL_VERSION_HEX=0x${VERSION_GENERATION}${VERSION_MAJOR}${VERSION_MINOR}${VERSION_REVISION}
KERNEL_CODE=40
define filechk_version.h
(echo \#define LINUX_VERSION_CODE $(shell \
expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)
(echo "#ifndef _KERNEL_VERSION_H_"; \
echo "#define _KERNEL_VERSION_H_"; \
echo ;\
echo "#define KERNELVERSION \\"; \
echo "$(KERNEL_VERSION_HEX)$(KERNEL_CODE)$(VERSION_RESERVED)"; \
echo "#define KERNEL_VERSION_NUMBER $(KERNEL_VERSION_HEX)"; \
echo "#define KERNEL_VERSION_GENERATION $(VERSION_GENERATION)"; \
echo "#define KERNEL_VERSION_MAJOR $(VERSION_MAJOR)"; \
echo "#define KERNEL_VERSION_MINOR $(VERSION_MINOR)"; \
echo "#define KERNEL_VERSION_REVISION $(VERSION_REVISION)"; \
echo "#define KERNEL_VERSION_STRING \"$(KERNELVERSION)\""; \
echo; \
echo "#endif /* _KERNEL_VERSION_H_ */";)
endef
$(version_h): $(srctree)/Makefile FORCE