mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
100 lines
3.1 KiB
Makefile
100 lines
3.1 KiB
Makefile
|
# This helper makefile is used for creating
|
||
|
|
# - symbolic links (arch/$ARCH/include/asm/arch
|
||
|
|
# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk
|
||
|
|
# - include/config.h
|
||
|
|
#
|
||
|
|
# When our migration to Kconfig is done
|
||
|
|
# (= When we move all CONFIGs from header files to Kconfig)
|
||
|
|
# this makefile can be deleted.
|
||
|
|
|
||
|
|
# obj is "include" or "spl/include" or "tpl/include"
|
||
|
|
# for non-SPL, SPL, TPL, respectively
|
||
|
|
include $(obj)/config/auto.conf
|
||
|
|
|
||
|
|
include scripts/Kbuild.include
|
||
|
|
|
||
|
|
# Need to define CC and CPP again here in case the top Makefile did not
|
||
|
|
# include config.mk. Some architectures expect CROSS_COMPILE to be defined
|
||
|
|
# in arch/$(ARCH)/config.mk
|
||
|
|
CC = $(CROSS_COMPILE)gcc
|
||
|
|
CPP = $(CC) -E
|
||
|
|
|
||
|
|
include config.mk
|
||
|
|
|
||
|
|
UBOOTINCLUDE := \
|
||
|
|
-I$(obj) \
|
||
|
|
-Iinclude \
|
||
|
|
$(if $(KBUILD_SRC), -I$(srctree)/include) \
|
||
|
|
-I$(srctree)/arch/$(ARCH)/include \
|
||
|
|
-include $(srctree)/include/linux/kconfig.h
|
||
|
|
|
||
|
|
c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) \
|
||
|
|
$(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
|
||
|
|
|
||
|
|
quiet_cmd_autoconf_dep = GEN $@
|
||
|
|
cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M -MP $(c_flags) \
|
||
|
|
-MQ include/config/auto.conf $(srctree)/include/common.h > $@ || { \
|
||
|
|
rm $@; false; \
|
||
|
|
}
|
||
|
|
include/autoconf.mk.dep: FORCE
|
||
|
|
$(call cmd,autoconf_dep)
|
||
|
|
|
||
|
|
# We are migrating from board headers to Kconfig little by little.
|
||
|
|
# In the interim, we use both of
|
||
|
|
# - include/config/auto.conf (generated by Kconfig)
|
||
|
|
# - include/autoconf.mk (used in the U-Boot conventional configuration)
|
||
|
|
# The following rule creates autoconf.mk
|
||
|
|
# include/config/auto.conf is grepped in order to avoid duplication of the
|
||
|
|
# same CONFIG macros
|
||
|
|
quiet_cmd_autoconf = GEN $@
|
||
|
|
cmd_autoconf = \
|
||
|
|
$(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \
|
||
|
|
sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp | \
|
||
|
|
while read line; do \
|
||
|
|
if ! grep -q "$${line%=*}=" $(obj)/config/auto.conf; then \
|
||
|
|
echo "$$line"; \
|
||
|
|
fi \
|
||
|
|
done > $@; \
|
||
|
|
rm $@.tmp; \
|
||
|
|
} || { \
|
||
|
|
rm $@.tmp; false; \
|
||
|
|
}
|
||
|
|
|
||
|
|
$(obj)/autoconf.mk: FORCE
|
||
|
|
$(call cmd,autoconf)
|
||
|
|
|
||
|
|
include/autoconf.mk include/autoconf.mk.dep: include/config.h
|
||
|
|
|
||
|
|
# include/config.h
|
||
|
|
# Prior to Kconfig, it was generated by mkconfig. Now it is created here.
|
||
|
|
define filechk_config_h
|
||
|
|
(echo "/* Automatically generated - do not edit */"; \
|
||
|
|
for i in $$(echo $(CONFIG_SYS_EXTRA_OPTIONS) | sed 's/,/ /g'); do \
|
||
|
|
echo \#define CONFIG_$$i \
|
||
|
|
| sed '/=/ {s/=/ /;q; } ; { s/$$/ 1/; }'; \
|
||
|
|
done; \
|
||
|
|
echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
|
||
|
|
echo \#include \<config_defaults.h\>; \
|
||
|
|
echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \
|
||
|
|
echo \#include \<asm/config.h\>; \
|
||
|
|
echo \#include \<config_fallbacks.h\>; \
|
||
|
|
echo \#include \<config_uncmd_spl.h\>; )
|
||
|
|
endef
|
||
|
|
|
||
|
|
include/config.h: scripts/Makefile.autoconf create_symlink FORCE
|
||
|
|
$(call filechk,config_h)
|
||
|
|
|
||
|
|
# symbolic links
|
||
|
|
PHONY += create_symlink
|
||
|
|
create_symlink:
|
||
|
|
ifneq ($(KBUILD_SRC),)
|
||
|
|
$(Q)mkdir -p include/asm
|
||
|
|
endif
|
||
|
|
$(Q)ln -fsn $(srctree)/arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)) \
|
||
|
|
$(if $(KBUILD_SRC),,arch/$(ARCH)/)include/asm/arch
|
||
|
|
|
||
|
|
PHONY += FORCE
|
||
|
|
FORCE:
|
||
|
|
|
||
|
|
.PHONY: $(PHONY)
|