mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
147 lines
4.5 KiB
Makefile
147 lines
4.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# This helper makefile is used for creating
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# - symbolic links (arch/$ARCH/include/asm/arch
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# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk
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# - include/config.h
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#
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# When our migration to Kconfig is done
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# (= When we move all CONFIGs from header files to Kconfig)
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# this makefile can be deleted.
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__all: include/autoconf.mk include/autoconf.mk.dep
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ifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
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__all: spl/include/autoconf.mk
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endif
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ifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
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__all: tpl/include/autoconf.mk
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endif
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include include/config/auto.conf
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include scripts/Kbuild.include
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# Need to define CC and CPP again here in case the top Makefile did not
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# include config.mk. Some architectures expect CROSS_COMPILE to be defined
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# in arch/$(ARCH)/config.mk
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CC) -E
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include config.mk
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UBOOTINCLUDE := \
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-Iinclude \
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$(if $(KBUILD_SRC), -I$(srctree)/include) \
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-I$(srctree)/arch/$(ARCH)/include \
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-include $(srctree)/include/linux/kconfig.h
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c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \
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$(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
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quiet_cmd_autoconf_dep = GEN $@
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cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \
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-MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \
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rm $@; false; \
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}
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include/autoconf.mk.dep: include/config.h FORCE
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$(call cmd,autoconf_dep)
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# We are migrating from board headers to Kconfig little by little.
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# In the interim, we use both of
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# - include/config/auto.conf (generated by Kconfig)
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# - include/autoconf.mk (used in the U-Boot conventional configuration)
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# The following rule creates autoconf.mk
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# include/config/auto.conf is grepped in order to avoid duplication of the
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# same CONFIG macros
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quiet_cmd_autoconf = GEN $@
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cmd_autoconf = \
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sed -n -f $(srctree)/tools/scripts/define2mk.sed $< | \
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while read line; do \
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if [ -n "${KCONFIG_IGNORE_DUPLICATES}" ] || \
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! grep -q "$${line%=*}=" include/config/auto.conf; then \
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echo "$$line"; \
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fi \
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done > $@
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quiet_cmd_u_boot_cfg = CFG $@
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cmd_u_boot_cfg = \
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$(CPP) $(c_flags) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \
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grep 'define CONFIG_' $@.tmp > $@; \
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rm $@.tmp; \
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} || { \
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rm $@.tmp; false; \
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}
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u-boot.cfg: include/config.h FORCE
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$(call cmd,u_boot_cfg)
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spl/u-boot.cfg: include/config.h FORCE
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$(Q)mkdir -p $(dir $@)
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$(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD)
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tpl/u-boot.cfg: include/config.h FORCE
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$(Q)mkdir -p $(dir $@)
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$(call cmd,u_boot_cfg,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD)
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include/autoconf.mk: u-boot.cfg
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$(call cmd,autoconf)
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spl/include/autoconf.mk: spl/u-boot.cfg
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$(Q)mkdir -p $(dir $@)
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$(call cmd,autoconf)
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tpl/include/autoconf.mk: tpl/u-boot.cfg
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$(Q)mkdir -p $(dir $@)
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$(call cmd,autoconf)
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# include/config.h
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# Prior to Kconfig, it was generated by mkconfig. Now it is created here.
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define filechk_config_h
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(echo "/* Automatically generated - do not edit */"; \
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for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \
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echo \#define CONFIG_$$i \
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| sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \
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done; \
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echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
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echo \#include \<config_defaults.h\>; \
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echo \#include \<config_uncmd_spl.h\>; \
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echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \
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echo \#include \<asm/config.h\>; \
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echo \#include \<linux/kconfig.h\>; \
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echo \#include \<config_fallbacks.h\>;)
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endef
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include/config.h: scripts/Makefile.autoconf create_symlink FORCE
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$(call filechk,config_h)
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# symbolic links
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# If arch/$(ARCH)/mach-$(SOC)/include/mach exists,
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# make a symbolic link to that directory.
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# Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC).
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PHONY += create_symlink
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create_symlink:
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ifdef CONFIG_CREATE_ARCH_SYMLINK
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ifneq ($(KBUILD_SRC),)
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$(Q)mkdir -p include/asm
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$(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
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dest=arch/$(ARCH)/mach-$(SOC)/include/mach; \
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else \
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dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)); \
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fi; \
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ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch
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else
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$(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
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dest=../../mach-$(SOC)/include/mach; \
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else \
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dest=arch-$(if $(SOC),$(SOC),$(CPU)); \
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fi; \
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ln -fsn $$dest arch/$(ARCH)/include/asm/arch
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endif
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endif
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PHONY += FORCE
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FORCE:
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.PHONY: $(PHONY)
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