| # |
| # Copyright (c) 2010-2011 Nest, Inc. |
| # All rights reserved. |
| # |
| # This document is the property of Nest Labs. It is considered |
| # confidential and proprietary information. |
| # |
| # This document may not be reproduced or transmitted in any form, |
| # in whole or in part, without the express written permission of |
| # Nest Labs. |
| # |
| # Description: |
| # This file is the makefile for the Universal Bootloader, u-boot. |
| # |
| |
| include pre.mak |
| |
| PackageRoot := . |
| |
| PackageName := u-boot |
| |
| PackageSeparator := |
| |
| PackageVersion := |
| PackageSourceDir := $(PackageRoot)/$(PackageName)$(PackageSeparator)$(PackageVersion) |
| |
| PackageBuildMakefile = $(call GenerateBuildPaths,include/config.mk) |
| |
| CleanPaths += $(PackageLicenseFile) |
| |
| # |
| # Build and result paths for staging targets |
| # |
| |
| UBootResultBinDir := $(call GenerateResultPaths,,bin) |
| UBootResultSbinDir := $(call GenerateResultPaths,,sbin) |
| |
| UBootPrintEnvBuildPath := $(call GenerateBuildPaths,tools/env/fw_printenv) |
| UBootPrintEnvResultPath := $(call GenerateResultPaths,,sbin/fw_printenv) |
| |
| UBootSetEnvResultPath := $(call GenerateResultPaths,,sbin/fw_setenv) |
| |
| UBootMkimageBuildPath := $(call GenerateBuildPaths,tools/mkimage) |
| UBootMkimageResultPath := $(call GenerateResultPaths,,bin/mkimage) |
| |
| NestBuildDefines := NEST_BUILD_CONFIG_$(call ToUpper,$(BuildConfig)) NEST_BUILD_CONFIG=\\\"$(BuildConfig)\\\" |
| NestBuildDefineFlags := $(call ToolGenerateDefineArgument,$(NestBuildDefines)) |
| |
| all: $(PackageDefaultGoal) |
| |
| # Generate the package license contents. |
| |
| $(PackageSourceDir)/COPYING: source |
| |
| $(PackageLicenseFile): $(PackageSourceDir)/COPYING |
| $(copy-result) |
| |
| # We are building this package from version-controller source, so |
| # there is nothing to do for this target goal. |
| |
| $(PackageSourceDir): |
| |
| # Prepare the sources. |
| |
| .PHONY: source |
| source: | $(PackageSourceDir) |
| |
| # Patch the sources, if necessary. |
| |
| .PHONY: patch |
| patch: source |
| |
| # U-Boot has no way of explicitly setting CC, LD, OBJCOPY, et al and |
| # instead relies on the value of CROSS_COMPILE. Consequently, we have |
| # to ensure that 'ToolBinDir' is in 'PATH' so that the kernel build |
| # infrastructure can find $(CROSS_COMPILE)gcc, $(CROSS_COMPILE)ld, et |
| # al. |
| |
| configure build build-uboot build-tools stage: PATH := $(PATH):$(ToolBinDir) |
| |
| # Generate the package build makefile. |
| |
| $(PackageBuildMakefile): | $(PackageSourceDir) $(BuildDirectory) |
| $(Verbose)unset MAKEFLAGS && \ |
| $(MAKE) -C $(PackageSourceDir) \ |
| O=$(CURDIR)/$(BuildDirectory) \ |
| $(UBootDefaultConfig) |
| |
| # Configure the source for building. |
| |
| .PHONY: configure |
| configure: source $(PackageBuildMakefile) |
| |
| # Build the source. |
| |
| .PHONY: build build-uboot build-tools |
| build: build-uboot build-tools |
| |
| build-uboot: configure |
| $(Verbose)unset MAKEFLAGS && \ |
| $(MAKE) -C $(PackageSourceDir) \ |
| O=$(CURDIR)/$(BuildDirectory) \ |
| NestBuildDefineFlags="$(NestBuildDefineFlags)" \ |
| all |
| |
| build-tools: configure build-uboot |
| $(Verbose)unset MAKEFLAGS && \ |
| $(MAKE) -C $(PackageSourceDir) \ |
| O=$(CURDIR)/$(BuildDirectory) \ |
| HOSTCC=$(CC) \ |
| HOSTSTRIP=$(STRIP) \ |
| TOOLSUBDIRS=env \ |
| NestBuildDefineFlags="$(NestBuildDefineFlags)" \ |
| tools |
| |
| # Stage the build to a temporary installation area. |
| # |
| # U-Boot does not support a notion of installing, so we have to |
| # cherry-pick the components we want from the build directory and |
| # copy/install them to the results directory. |
| |
| .PHONY: stage stage-target stage-target-tools stage-host-tools |
| stage: stage-target stage-target-tools stage-host-tools |
| |
| stage-target: build | $(ResultDirectory) |
| $(Verbose)cp -f $(wildcard $(call GenerateBuildPaths,u-boot*)) $(ResultDirectory) |
| $(Verbose)cp -f $(call GenerateBuildPaths,System.map) $(ResultDirectory) |
| |
| # |
| # Targets and commands for staging target (i.e cross-compiled) tools. |
| # |
| |
| $(UBootResultSbinDir): | $(ResultDirectory) |
| $(create-directory) |
| |
| $(UBootPrintEnvBuildPath): build |
| |
| $(UBootPrintEnvResultPath): $(UBootPrintEnvBuildPath) | $(UBootResultSbinDir) |
| $(copy-result) |
| |
| $(UBootSetEnvResultPath): |
| $(Echo) "Creating \"$(call GenerateBuildRootEllipsedPath,$@)\"" |
| $(Verbose)ln -sf fw_printenv "$(@)" |
| |
| stage-target-tools: $(UBootPrintEnvResultPath) $(UBootSetEnvResultPath) |
| |
| # |
| # Targets and commands for staging host (i.e. natively-compiled) tools |
| # that may be used elsewhere in the build. |
| # |
| |
| $(UBootResultBinDir): | $(ResultDirectory) |
| $(create-directory) |
| |
| $(UBootMkimageBuildPath): build |
| |
| $(UBootMkimageResultPath): $(UBootMkimageBuildPath) | $(UBootResultBinDir) |
| $(copy-result) |
| |
| stage-host-tools: $(UBootMkimageResultPath) |
| |
| clean: |
| $(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory) |
| $(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory) |
| |
| include post.mak |