#
#    Copyright (c) 2010-2012 Nest Labs, 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 the zlib compression library.
#

BuildConfigSpecialized	:= No
BuildProductSpecialized	:= Yes

include pre.mak

PackageName		:= zlib

PackageExtension	:= tar.bz2
PackageSeparator	:= -

PackagePatchArgs	:=

PackageArchive		:= $(PackageName).$(PackageExtension)
PackageSourceDir	:= $(PackageName)$(PackageSeparator)$(PackageVersion)

PackageBuildMakefile	= $(call GenerateBuildPaths,Makefile)

PackageResultPath	= $(call GenerateResultPaths,,usr)

CleanPaths		+= $(PackageLicenseFile)

all: $(PackageDefaultGoal)

# Generate the package license contents.

$(PackageSourceDir)/zlib.h: source

$(PackageLicenseFile): $(PackageSourceDir)/zlib.h
	$(Verbose)$(SED) -n -e '/^\/\* zlib\.h/,/\*\/$$/{;p;/\*\/$$/q;}' < $< > $@

# Extract the source from the archive and apply patches, if any.

$(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths)
	$(expand-and-patch-package)

# Prepare the sources.

.PHONY: source
source: | $(PackageSourceDir)

# Patch the sources, if necessary.

.PHONY: patch
patch: source

$(PackageBuildMakefile): | $(PackageSourceDir) $(BuildDirectory)
	$(Verbose)cd $(BuildDirectory) && \
	CC="$(CC) $(CPPOPTFLAGS)" AR=$(AR) NM=$(NM) RANLIB=$(RANLIB) \
	$(CURDIR)/$(PackageSourceDir)/configure  \
	$(ZlibTargetConfigOptions) \
	--prefix=$(PackageResultPath) \
	--shared

# Configure the source for building.

.PHONY: configure
configure: source $(PackageBuildMakefile)

# Build the source.
#
# We have to unset MAKEFLAGS since they confuse the package build otherwise.

.PHONY: build
build: configure
	$(Verbose)unset MAKEFLAGS && \
	$(MAKE) -C $(BuildDirectory) \
	prefix=$(PackageResultPath) \
	all

# Stage the build to a temporary installation area.
#
# We have to unset MAKEFLAGS since they confuse the package build otherwise.

.PHONY: stage
stage: build | $(ResultDirectory)
	$(Verbose)unset MAKEFLAGS && \
	$(MAKE) -C $(BuildDirectory) \
	prefix=$(PackageResultPath) \
	install

clean:
	$(Verbose)$(RM) $(RMFLAGS) -r $(PackageSourceDir)
	$(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory)
	$(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory)

include post.mak