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https://github.com/u-boot/u-boot.git
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25b8acee2e
Unfortunately, we require additional logic to buildman to support this
removal and still use SYS_SOC, etc, for build targets.
This reverts commit eeec00072d.
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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sed '/define CONFIG_IS_ENABLED(/d;/define CONFIG_IF_ENABLED_INT(/d;/define CONFIG_VAL(/d;' > $@; \
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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_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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