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#
# 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.
$(BuildDirectory)/configure $(BuildDirectory)/build $(BuildDirectory)/stage: PATH := $(PATH):$(ToolBinDir)
# 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) $(JOBSFLAG) -C $(PackageSourceDir) O=$(CURDIR)/$(BuildDirectory) $(CURDIR)/configs/$(BuildConfig)_defconfig
$(Verbose)touch $@
# Build the source.
$(BuildDirectory)/build: $(BuildDirectory)/configure
$(Verbose)$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) busybox
$(Verbose)touch $@
# Stage the build to a temporary installation area.
$(BuildDirectory)/stage: $(BuildDirectory)/build | $(ResultDirectory)
$(Verbose)$(MAKE) $(JOBSFLAG) -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