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https://github.com/AsahiLinux/u-boot
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490cf5f0c9
The rules "cmd_generic-offsets" and "cmd_offsets" are almost the
same. (The difference is only the include guards.)
They can be merged.
This commit is mostly inspired by the following commit of Linux.
commit 39664e2f3cdef98f42437e903159a6044a1d99d6
Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Mon Jan 5 15:57:15 2015 +0900
kbuild: merge bounds.h and asm-offsets.h rules
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
70 lines
1.8 KiB
Makefile
70 lines
1.8 KiB
Makefile
#
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# Kbuild for top-level directory of U-Boot
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# This file takes care of the following:
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# 1) Generate generic-asm-offsets.h
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# 2) Generate asm-offsets.h
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# Default sed regexp - multiline due to syntax constraints
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define sed-y
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"s:[[:space:]]*\.ascii[[:space:]]*\"\(.*\)\":\1:; \
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/^->/{s:->#\(.*\):/* \1 */:; \
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s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
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s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
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s:->::; p;}"
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endef
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quiet_cmd_offsets = GEN $@
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define cmd_offsets
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(set -e; \
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echo "#ifndef $2"; \
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echo "#define $2"; \
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echo "/*"; \
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echo " * DO NOT MODIFY."; \
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echo " *"; \
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echo " * This file was generated by Kbuild"; \
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echo " *"; \
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echo " */"; \
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echo ""; \
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sed -ne $(sed-y) $<; \
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echo ""; \
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echo "#endif" ) > $@
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endef
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#####
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# 1) Generate generic-asm-offsets.h
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generic-offsets-file := include/generated/generic-asm-offsets.h
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always := $(generic-offsets-file)
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targets := $(generic-offsets-file) lib/asm-offsets.s
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# We use internal kbuild rules to avoid the "is up to date" message from make
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lib/asm-offsets.s: lib/asm-offsets.c FORCE
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$(Q)mkdir -p $(dir $@)
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$(call if_changed_dep,cc_s_c)
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$(obj)/$(generic-offsets-file): lib/asm-offsets.s Kbuild
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$(Q)mkdir -p $(dir $@)
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$(call cmd,offsets,__GENERIC_ASM_OFFSETS_H__)
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#####
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# 2) Generate asm-offsets.h
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#
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ifneq ($(wildcard $(srctree)/arch/$(ARCH)/lib/asm-offsets.c),)
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offsets-file := include/generated/asm-offsets.h
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endif
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always += $(offsets-file)
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targets += $(offsets-file)
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targets += arch/$(ARCH)/lib/asm-offsets.s
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CFLAGS_asm-offsets.o := -DDO_DEPS_ONLY
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# We use internal kbuild rules to avoid the "is up to date" message from make
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arch/$(ARCH)/lib/asm-offsets.s: arch/$(ARCH)/lib/asm-offsets.c FORCE
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$(Q)mkdir -p $(dir $@)
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$(call if_changed_dep,cc_s_c)
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$(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s Kbuild
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$(call cmd,offsets,__ASM_OFFSETS_H__)
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