#
#    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 make file tzcode, executables required for
#      the implementation of standard local time for many
#      representative locations around the globe.
#

include pre.mak

# Override the build directory so that the three make files that make
# up this collective package all build in the same directory.

BuildDirectory		:= $(call GenerateConditionalBuildQualifiedDirectory,$(BuildBaseDirectory))

PackageName		:= tzcode

PackageExtension	:= tar.gz
PackageSeparator	:=

PackagePatchArgs	:= -p1

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

PackageBuildMakefile	:= $(call GenerateBuildPaths,Makefile)

PackageLicenseInputs	:= $(PackageSourceDir)/tzfile.h

CleanPaths		+= $(PackageLicenseFile)

SOURCEDIRS                      = $(PackageSourceDir)
$(PackageSourceDir)_RULE_TARGET = $(BuildDirectory)/configure

all: $(PackageDefaultGoal)

# Generate the package license contents.

$(PackageLicenseInputs): $(BuildDirectory)/source

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

# Extract the source from the archive and apply patches, if any.
#
# Unlike most third-party software packages, the tzcode archive does not
# contain a directory that encloses its sources. So, we have to create one
# manually to avoid cluttering up our "glue" directory with its sources.

$(PackageSourceDir): $(PackageArchive) $(PackagePatchPaths)
	$(create-directory)
	$(call expand-archive,$(PackageArchive),$(@))
	$(Verbose)touch $(@)
	$(call patch-directory,$(@),$(PackagePatchArgs),$(PackagePatchPaths))

# Prepare the sources.

$(BuildDirectory)/source: | $(PackageSourceDir)
	$(Verbose)touch $@

# Patch the sources, if necessary.

$(BuildDirectory)/patch: $(BuildDirectory)/source
	$(Verbose)touch $@

# Generate the package build makefile.

$(PackageBuildMakefile): | $(PackageSourceDir) $(BuildDirectory)
	$(call create-links,$(CURDIR)/$(PackageSourceDir),$(BuildDirectory))

# Configure the source for building.

$(BuildDirectory)/configure: $(BuildDirectory)/source $(PackageBuildMakefile)
	$(Verbose)touch $@

# Build the source (there's nothing to do here).

$(BuildDirectory)/build: $(BuildDirectory)/configure
	$(Verbose)touch $@

# Stage the build to a temporary installation area (there's nothing to
# do here).

$(BuildDirectory)/stage: $(BuildDirectory)/build
	$(Verbose)touch $@

.PHONY: stage
stage: $(BuildDirectory)/stage

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

include post.mak