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#
# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name PX4 nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
#
# Top-level Makefile for building PX4 firmware images.
#
#
# Get path and tool configuration
#
export PX4_BASE := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))/
include $(PX4_BASE)makefiles/setup.mk
#
# Canned firmware configurations that we build.
#
CONFIGS ?= $(subst config_,,$(basename $(notdir $(wildcard $(PX4_MK_DIR)config_*.mk))))
#
# Boards that we build NuttX export kits for.
#
BOARDS := $(subst board_,,$(basename $(notdir $(wildcard $(PX4_MK_DIR)board_*.mk))))
#
# Debugging
#
MQUIET = --no-print-directory
#MQUIET = --print-directory
################################################################################
# No user-serviceable parts below
################################################################################
#
# If the user has listed a config as a target, strip it out and override CONFIGS.
#
FIRMWARE_GOAL = firmware
EXPLICIT_CONFIGS := $(filter $(CONFIGS),$(MAKECMDGOALS))
ifneq ($(EXPLICIT_CONFIGS),)
CONFIGS := $(EXPLICIT_CONFIGS)
.PHONY: $(EXPLICIT_CONFIGS)
$(EXPLICIT_CONFIGS): all
#
# If the user has asked to upload, they must have also specified exactly one
# config.
#
ifneq ($(filter upload,$(MAKECMDGOALS)),)
ifneq ($(words $(EXPLICIT_CONFIGS)),1)
$(error In order to upload, exactly one board config must be specified)
endif
FIRMWARE_GOAL = upload
.PHONY: upload
upload:
@:
endif
endif
#
# Built products
#
STAGED_FIRMWARES = $(foreach config,$(CONFIGS),$(IMAGE_DIR)$(config).px4)
FIRMWARES = $(foreach config,$(CONFIGS),$(BUILD_DIR)$(config).build/firmware.px4)
all: $(STAGED_FIRMWARES)
#
# Copy FIRMWARES into the image directory.
#
# XXX copying the .bin files is a hack to work around the PX4IO uploader
# not supporting .px4 files, and it should be deprecated onced that
# is taken care of.
#
$(STAGED_FIRMWARES): $(IMAGE_DIR)%.px4: $(BUILD_DIR)%.build/firmware.px4
@$(ECHO) %% Copying $@
$(Q) $(COPY) $< $@
$(Q) $(COPY) $(patsubst %.px4,%.bin,$<) $(patsubst %.px4,%.bin,$@)
#
# Generate FIRMWARES.
#
.PHONY: $(FIRMWARES)
$(BUILD_DIR)%.build/firmware.px4: config = $(patsubst $(BUILD_DIR)%.build/firmware.px4,%,$@)
$(BUILD_DIR)%.build/firmware.px4: work_dir = $(BUILD_DIR)$(config).build/
$(FIRMWARES): $(BUILD_DIR)%.build/firmware.px4:
@$(ECHO) %%%%
@$(ECHO) %%%% Building $(config) in $(work_dir)
@$(ECHO) %%%%
$(Q) mkdir -p $(work_dir)
$(Q) make -r -C $(work_dir) \
-f $(PX4_MK_DIR)firmware.mk \
CONFIG=$(config) \
WORK_DIR=$(work_dir) \
$(FIRMWARE_GOAL)
#
# Build the NuttX export archives.
#
# Note that there are no explicit dependencies extended from these
# archives. If NuttX is updated, the user is expected to rebuild the
# archives/build area manually. Likewise, when the 'archives' target is
# invoked, all archives are always rebuilt.
#
# XXX Should support fetching/unpacking from a separate directory to permit
# downloads of the prebuilt archives as well...
#
NUTTX_ARCHIVES = $(foreach board,$(BOARDS),$(ARCHIVE_DIR)$(board).export)
.PHONY: archives
archives: $(NUTTX_ARCHIVES)
# We cannot build these parallel; note that we also force -j1 for the
# sub-make invocations.
ifneq ($(filter archives,$(MAKECMDGOALS)),)
.NOTPARALLEL:
endif
$(ARCHIVE_DIR)%.export: board = $(notdir $(basename $@))
$(ARCHIVE_DIR)%.export: configuration = nsh
$(NUTTX_ARCHIVES): $(ARCHIVE_DIR)%.export: $(NUTTX_SRC)
@$(ECHO) %% Configuring NuttX for $(board)
$(Q) (cd $(NUTTX_SRC) && $(RMDIR) nuttx-export)
$(Q) make -r -j1 -C $(NUTTX_SRC) -r $(MQUIET) distclean
$(Q) (cd $(NUTTX_SRC)/configs && $(COPYDIR) $(PX4_BASE)/nuttx-configs/$(board) .)
$(Q) (cd $(NUTTX_SRC)tools && ./configure.sh $(board)/$(configuration))
@$(ECHO) %% Exporting NuttX for $(board)
$(Q) make -r -j1 -C $(NUTTX_SRC) -r $(MQUIET) export
$(Q) mkdir -p $(dir $@)
$(Q) $(COPY) $(NUTTX_SRC)nuttx-export.zip $@
$(Q) (cd $(NUTTX_SRC)/configs && $(RMDIR) $(board))
$(NUTTX_SRC):
@$(ECHO) ""
@$(ECHO) "NuttX sources missing - clone https://github.com/PX4/NuttX.git and try again."
@$(ECHO) ""
#
# Testing targets
#
testbuild:
$(Q) (cd $(PX4_BASE) && make distclean && make archives && make -j8)
#
# Cleanup targets. 'clean' should remove all built products and force
# a complete re-compilation, 'distclean' should remove everything
# that's generated leaving only files that are in source control.
#
.PHONY: clean
clean:
$(Q) $(RMDIR) $(BUILD_DIR)*.build
$(Q) $(REMOVE) $(IMAGE_DIR)*.px4
.PHONY: distclean
distclean: clean
$(Q) $(REMOVE) $(ARCHIVE_DIR)*.export
$(Q) make -C $(NUTTX_SRC) -r $(MQUIET) distclean
#
# Print some help text
#
.PHONY: help
help:
@$(ECHO) ""
@$(ECHO) " PX4 firmware builder"
@$(ECHO) " ===================="
@$(ECHO) ""
@$(ECHO) " Available targets:"
@$(ECHO) " ------------------"
@$(ECHO) ""
@$(ECHO) " archives"
@$(ECHO) " Build the NuttX RTOS archives that are used by the firmware build."
@$(ECHO) ""
@$(ECHO) " all"
@$(ECHO) " Build all firmware configs: $(CONFIGS)"
@$(ECHO) " A limited set of configs can be built with CONFIGS=<list-of-configs>"
@$(ECHO) ""
@for config in $(CONFIGS); do \
echo " $$config"; \
echo " Build just the $$config firmware configuration."; \
echo ""; \
done
@$(ECHO) " clean"
@$(ECHO) " Remove all firmware build pieces."
@$(ECHO) ""
@$(ECHO) " distclean"
@$(ECHO) " Remove all compilation products, including NuttX RTOS archives."
@$(ECHO) ""
@$(ECHO) " upload"
@$(ECHO) " When exactly one config is being built, add this target to upload the"
@$(ECHO) " firmware to the board when the build is complete. Not supported for"
@$(ECHO) " all configurations."
@$(ECHO) ""
@$(ECHO) " testbuild"
@$(ECHO) " Perform a complete clean build of the entire tree."
@$(ECHO) ""
@$(ECHO) " Common options:"
@$(ECHO) " ---------------"
@$(ECHO) ""
@$(ECHO) " V=1"
@$(ECHO) " If V is set, more verbose output is printed during the build. This can"
@$(ECHO) " help when diagnosing issues with the build or toolchain."
@$(ECHO) ""
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