u-boot/scripts/Makefile.autoconf
Joe Hershberger 7740f653e6 moveconfig: Ignore duplicate configs when moving
When moving configs, it is important to know what was defined in the
config header even if it duplicates the configs coming from Kconfig.

This is specifically needed for the case where a config is set to
default 'y' in the Kconfig. This would previously cause the actual value
from the include config to be filtered out, and moveconfig.py would
think that it was 'n'... This means that the value that should be 'y'
is now (in every defconfig) set to 'not set'.

tools/moveconfig.py now defines KCONFIG_IGNORE_DUPLICATES to prevent the
filtering from happening and selecting wrong values for the defconfig.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2015-05-27 08:39:15 +09:00

130 lines
4.1 KiB
Makefile

# This helper makefile is used for creating
# - symbolic links (arch/$ARCH/include/asm/arch
# - include/autoconf.mk, {spl,tpl}/include/autoconf.mk
# - include/config.h
#
# When our migration to Kconfig is done
# (= When we move all CONFIGs from header files to Kconfig)
# this makefile can be deleted.
__all: include/autoconf.mk include/autoconf.mk.dep
ifeq ($(shell grep -q '^CONFIG_SPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
__all: spl/include/autoconf.mk
endif
ifeq ($(shell grep -q '^CONFIG_TPL=y' include/config/auto.conf 2>/dev/null && echo y),y)
__all: tpl/include/autoconf.mk
endif
include include/config/auto.conf
include scripts/Kbuild.include
# Need to define CC and CPP again here in case the top Makefile did not
# include config.mk. Some architectures expect CROSS_COMPILE to be defined
# in arch/$(ARCH)/config.mk
CC = $(CROSS_COMPILE)gcc
CPP = $(CC) -E
include config.mk
UBOOTINCLUDE := \
-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) $2 -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && { \
sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp | \
while read line; do \
if [ -n "${KCONFIG_IGNORE_DUPLICATES}" ] || \
! grep -q "$${line%=*}=" include/config/auto.conf; then \
echo "$$line"; \
fi \
done > $@; \
rm $@.tmp; \
} || { \
rm $@.tmp; false; \
}
include/autoconf.mk: FORCE
$(call cmd,autoconf)
spl/include/autoconf.mk: FORCE
$(Q)mkdir -p $(dir $@)
$(call cmd,autoconf,-DCONFIG_SPL_BUILD)
tpl/include/autoconf.mk: FORCE
$(Q)mkdir -p $(dir $@)
$(call cmd,autoconf,-DCONFIG_SPL_BUILD -DCONFIG_TPL_BUILD)
include/autoconf.mk include/autoconf.mk.dep \
spl/include/autoconf.mk tpl/include/autoconf.mk: 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/$$/ 1/; }'; \
done; \
echo \#define CONFIG_BOARDDIR board/$(if $(VENDOR),$(VENDOR)/)$(BOARD);\
echo \#include \<config_defaults.h\>; \
echo \#include \<config_uncmd_spl.h\>; \
echo \#include \<configs/$(CONFIG_SYS_CONFIG_NAME).h\>; \
echo \#include \<asm/config.h\>; \
echo \#include \<config_fallbacks.h\>;)
endef
include/config.h: scripts/Makefile.autoconf create_symlink FORCE
$(call filechk,config_h)
# symbolic links
# If arch/$(ARCH)/mach-$(SOC)/include/mach exists,
# make a symbolic link to that directory.
# Otherwise, create a symbolic link to arch/$(ARCH)/include/asm/arch-$(SOC).
PHONY += create_symlink
create_symlink:
ifneq ($(KBUILD_SRC),)
$(Q)mkdir -p include/asm
$(Q)if [ -d $(KBUILD_SRC)/arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
dest=arch/$(ARCH)/mach-$(SOC)/include/mach; \
else \
dest=arch/$(ARCH)/include/asm/arch-$(if $(SOC),$(SOC),$(CPU)); \
fi; \
ln -fsn $(KBUILD_SRC)/$$dest include/asm/arch
else
$(Q)if [ -d arch/$(ARCH)/mach-$(SOC)/include/mach ]; then \
dest=../../mach-$(SOC)/include/mach; \
else \
dest=arch-$(if $(SOC),$(SOC),$(CPU)); \
fi; \
ln -fsn $$dest arch/$(ARCH)/include/asm/arch
endif
PHONY += FORCE
FORCE:
.PHONY: $(PHONY)