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core: introduce a generated kconfig snippet 

Add the infrastructure for adding generated kconfig snippet in the
menuconfig.

For now, the kconfig snippet is generated empty, the recipe for filling
it in will be introduced in sub-sequent patches.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Peter Korsgaard <jacmet@uclibc.org>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Thomas De Schampheleire <patrickdepinguin@gmail.com>
Cc: Samuel Martin <s.martin49@gmail.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016.11.x
Yann E. MORIN 2016-07-17 12:34:26 +02:00 committed by Thomas Petazzoni
parent b1e079b68b
commit 4802db3dad
3 changed files with 18 additions and 1 deletions
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6
Config.in
View File

@ -18,6 +18,10 @@ config BR2_EXTERNAL
string
option env="BR2_EXTERNAL"
config BR2_BUILD_DIR
string
option env="BUILD_DIR"
# Hidden config symbols for packages to check system gcc version
config BR2_HOST_GCC_VERSION
string
@ -763,3 +767,5 @@ menu "User-provided options"
source "$BR2_EXTERNAL/Config.in"
endmenu
source "$BR2_BUILD_DIR/.br2-external.in"

10
Makefile
View File

@ -761,7 +761,7 @@ HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
export HOSTCFLAGS
.PHONY: prepare-kconfig
prepare-kconfig: outputmakefile
prepare-kconfig: outputmakefile $(BUILD_DIR)/.br2-external.in
$(BUILD_DIR)/buildroot-config/%onf:
mkdir -p $(@D)/lxdialog
@ -780,6 +780,7 @@ COMMON_CONFIG_ENV = \
BR2_CONFIG=$(BR2_CONFIG) \
BR2_EXTERNAL=$(BR2_EXTERNAL) \
HOST_GCC_VERSION="$(HOSTCC_VERSION)" \
BUILD_DIR=$(BUILD_DIR) \
SKIP_LEGACY=
xconfig: $(BUILD_DIR)/buildroot-config/qconf prepare-kconfig
@ -880,6 +881,13 @@ ifeq ($(NEED_WRAPPER),y)
$(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
endif
# Even though the target is a real file, we mark it as PHONY as we
# want it to be re-generated each time make is invoked, in case the
# value of BR2_EXTERNAL is changed.
.PHONY: $(BUILD_DIR)/.br2-external.in
$(BUILD_DIR)/.br2-external.in: $(BUILD_DIR)
@touch $@
# printvars prints all the variables currently defined in our
# Makefiles. Alternatively, if a non-empty VARS variable is passed,
# only the variables matching the make pattern passed in VARS are

3
docs/manual/manual.mk
View File

@ -7,6 +7,9 @@
MANUAL_SOURCES = $(sort $(wildcard docs/manual/*.txt) $(wildcard docs/images/*))
MANUAL_RESOURCES = $(TOPDIR)/docs/images
# Ensure the kconfig snippet is generated (for MANUAL_GEN_LISTS, below):
MANUAL_DEPENDENCIES += prepare-kconfig
# Our manual needs to generate lists
define MANUAL_GEN_LISTS
$(Q)$(call MESSAGE,"Updating the manual lists...")