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Improve the implementation of CONFIG_FILE handling in firmware.mk

This commit is contained in:
px4dev 2013-04-17 22:25:50 -07:00
parent 212712d740
commit 5f26018365
1 changed files with 11 additions and 4 deletions
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15
makefiles/firmware.mk
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@ -66,6 +66,12 @@
# CONFIG:
# Used to set the output filename; defaults to 'firmware'.
#
# CONFIG_FILE:
# If set, overrides the configuration file search logic. Sets
# CONFIG to the name of the configuration file, strips any
# leading config_ prefix and any suffix. e.g. config_board_foo.mk
# results in CONFIG being set to 'board_foo'.
#
# WORK_DIR:
# Sets the directory in which the firmware will be built. Defaults
# to the directory 'build' under the directory containing the
@ -115,13 +121,14 @@ include $(MK_DIR)/setup.mk
#
# Locate the configuration file
#
ifneq ($(CONFIG_FILE),)
CONFIG := $(subst config_,,$(basename $(notdir $(CONFIG_FILE))))
else
CONFIG_FILE := $(wildcard $(PX4_MK_DIR)/config_$(CONFIG).mk)
endif
ifeq ($(CONFIG),)
$(error Missing configuration name or file (specify with CONFIG=<config>))
endif
CONFIG_FILE := $(firstword $(wildcard $(CONFIG)) $(wildcard $(PX4_MK_DIR)/config_$(CONFIG).mk))
ifeq ($(CONFIG_FILE),)
$(error Can't find a config file called $(CONFIG) or $(PX4_MK_DIR)/config_$(CONFIG).mk)
endif
export CONFIG
include $(CONFIG_FILE)
$(info % CONFIG = $(CONFIG))