| # | |
| # Copyright (c) 2010-2011 Nest, Inc. | |
| # All rights reserved. | |
| # | |
| # This document is the property of Nest. 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. | |
| # | |
| # Description: | |
| # This file is the makefile for embedded Linux "Swiss Army Knife" | |
| # application, BusyBox. | |
| # | |
| include pre.mak | |
| PackageName := busybox | |
| PackageExtension := tar.bz2 | |
| PackageSeparator := - | |
| PackagePatchArgs := -p1 | |
| PackageArchive := $(PackageName).$(PackageExtension) | |
| PackageSourceDir := $(PackageName)$(PackageSeparator)$(PackageVersion) | |
| PackageBuildMakefile = $(call GenerateBuildPaths,Makefile) | |
| CleanPaths += $(PackageLicenseFile) | |
| SOURCEDIRS = $(PackageSourceDir) configs | |
| $(PackageSourceDir)_RULE_TARGET = $(BuildDirectory)/configure | |
| configs_RULE_TARGET = $(BuildDirectory)/configure | |
| all: $(PackageDefaultGoal) | |
| # Generate the package license contents. | |
| $(PackageSourceDir)/LICENSE: $(BuildDirectory)/source | |
| $(PackageLicenseFile): $(PackageSourceDir)/LICENSE | |
| $(copy-result) | |
| # Extract the source from the archive and apply patches, if any. | |
| $(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths) | |
| $(expand-and-patch-package) | |
| # Prepare the sources. | |
| $(BuildDirectory)/source: | $(PackageSourceDir) | |
| $(Verbose)touch $@ | |
| # Patch the sources, if necessary. | |
| $(BuildDirectory)/patch: $(BuildDirectory)/source | |
| $(Verbose)touch $@ | |
| # BusyBox 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. | |
| BusyboxCFlags := \ | |
| $(if $(ToolSysRootDir),--sysroot=$(ToolSysRootDir)) \ | |
| $(CPPOPTFLAGS) \ | |
| $(call ToolGenerateIncludeArgument,$(LinuxIncludePath)) \ | |
| $(NULL) | |
| $(BuildDirectory)/configure $(BuildDirectory)/build $(BuildDirectory)/stage: PATH := $(PATH):$(ToolBinDir) | |
| $(BuildDirectory)/configure $(BuildDirectory)/build $(BuildDirectory)/stage: export CFLAGS := $(BusyboxCFlags) | |
| # Generate the package build makefile and default configuration based | |
| # on the build configuration. | |
| # Configure the source for building. | |
| $(BuildDirectory)/configure: $(BuildDirectory)/source $(CURDIR)/configs/$(BuildConfig)_defconfig | $(PackageSourceDir) $(BuildDirectory) | |
| $(Verbose)$(MAKE) -C $(PackageSourceDir) O=$(CURDIR)/$(BuildDirectory) $(CURDIR)/configs/$(BuildConfig)_defconfig | |
| $(Verbose)touch $@ | |
| # Build the source. | |
| $(BuildDirectory)/build: $(BuildDirectory)/configure | |
| $(Verbose)$(MAKE) -C $(BuildDirectory) busybox | |
| $(Verbose)touch $@ | |
| # Stage the build to a temporary installation area. | |
| $(BuildDirectory)/stage: $(BuildDirectory)/build | $(ResultDirectory) | |
| $(Verbose)$(MAKE) -C $(BuildDirectory) INSTALL="$(INSTALL) $(INSTALLFLAGS)" CONFIG_PREFIX=$(ResultDirectory) install | |
| $(Verbose)touch $@ | |
| .PHONY: stage | |
| stage: $(BuildDirectory)/stage | |
| clean: | |
| $(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir) | |
| $(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory) | |
| $(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory) | |
| include post.mak |