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makefile: allow to disable all default-yes config variables with CONFIG_NOTHING=yes

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All credit for this should be given to Patrick Georgi (see r1869).

Corresponding to flashrom svn r1944.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Stefan Tauner 2016-02-26 23:51:21 +00:00
parent 8d0d53fdd0
commit f35033739d
1 changed files with 10 additions and 0 deletions
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10
Makefile
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@ -642,6 +642,16 @@ CONFIG_CH341A_SPI ?= yes
# Disable wiki printing by default. It is only useful if you have wiki access.
CONFIG_PRINT_WIKI ?= no
# Disable all features if CONFIG_NOTHING=yes is given unless CONFIG_EVERYTHING was also set
ifeq ($(CONFIG_NOTHING), yes)
ifeq ($(CONFIG_EVERYTHING), yes)
$(error Setting CONFIG_NOTHING=yes and CONFIG_EVERYTHING=yes does not make sense)
endif
$(foreach var, $(filter CONFIG_%, $(.VARIABLES)),\
$(if $(filter yes, $($(var))),\
$(eval $(var)=no)))
endif
# Enable all features if CONFIG_EVERYTHING=yes is given
ifeq ($(CONFIG_EVERYTHING), yes)
$(foreach var, $(filter CONFIG_%, $(.VARIABLES)),\