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Makefile: add dependencies to regenerate u-boot.cfg when lost 

When running a 'make clean' or carelessly removing u-boot.cfg, all
future make invocations (until autoconf is regenerated) will print
an error for a missing u-boot.cfg due to missing rules and dependencies.

This commit adds (i) an explicit rule dependency from all (which will
invokes the configuration checker) to cfg, and (b) adds a rule to
invoke scripts/Makefile.autoconf to regenerate u-boot.cfg.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Philipp Tomsich 2017-07-05 17:30:40 +02:00 committed by Tom Rini
parent 47a52cd1e4
commit 0d982c5853
1 changed files with 4 additions and 1 deletions
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5
Makefile
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@ -516,6 +516,9 @@ include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
@# Otherwise, 'make silentoldconfig' would be invoked twice.
$(Q)touch include/config/auto.conf
u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: include/config.h FORCE
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@)
-include include/autoconf.mk
-include include/autoconf.mk.dep
@ -851,7 +854,7 @@ quiet_cmd_cfgcheck = CFGCHK $2
cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \
$(srctree)/scripts/config_whitelist.txt $(srctree)
all: $(ALL-y)
all: $(ALL-y) cfg
ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y)
@echo "===================== WARNING ======================"
@echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove"