#
#    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 the "list open files" (lsof) utility.
#

BuildConfigSpecialized	:= No
BuildProductSpecialized	:= No

include pre.mak

PackageName		:= lsof

PackageExtension	:= tar.bz2
PackageSeparator	:= _

PackagePatchArgs	:= -g 0 -p2

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

PackageSourceArchive	:= $(PackageWrapperDir)/$(PackageName)$(PackageSeparator)$(PackageVersion)$(PackageSeparator)src.tar
PackageSourceDir	:= $(PackageWrapperDir)/$(PackageName)$(PackageSeparator)$(PackageVersion)$(PackageSeparator)src

PackageBuildMakefile	= $(call GenerateBuildPaths,Configure)

CleanPaths		+= $(PackageLicenseFile)

all: $(PackageDefaultGoal)

# Expand the wrapper directory which contains another archive
# containing the source.

$(PackageSourceArchive): $(PackageArchive)
	$(expand-package)
	$(Verbose)touch $@

# Generate the package license contents.

$(PackageSourceDir)/00README: source

$(PackageLicenseFile): $(PackageSourceDir)/00README
	$(Verbose)$(SED) -n -e '/^License$$/,/\*\/$$/{;p;/\*\/$$/q;}' < $< > $@

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

$(PackageSourceDir): $(PackageSourceArchive)
	$(Echo) "Expanding \"$(PackageSourceArchive)\" to \"$@\""
	$(Verbose)extension=`echo $(PackageSourceArchive) | awk -F . '{if (NF > 1) {print $$NF}}'`; \
	if [ $$extension = "bz2" ]; then \
		tar -C $(PackageWrapperDir) --bzip2 -xf $(PackageSourceArchive); \
	elif [ $$extension = "gz" ]; then \
		tar -C $(PackageWrapperDir) --gzip -xf $(PackageSourceArchive); \
	elif [ $$extension = "tar" ]; then \
		tar -C $(PackageWrapperDir) -xf $(PackageSourceArchive); \
	fi
	$(Verbose)touch $@
	$(patch-package)

# Prepare the sources.

.PHONY: source
source: | $(PackageSourceDir)

# Patch the sources, if necessary.

.PHONY: patch
patch: source

# Generate the package build makefile.

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

# Configure the source for building.

.PHONY: configure
configure: source $(PackageBuildMakefile)
	$(Verbose)cd $(BuildDirectory) && \
	LSOF_CC=$(CC) \
	LSOF_INCLUDE="$(ToolIncDir)" \
	LSOF_LINUX_INCL="$(call GenerateResultPaths,sw/tps/linux,include)" \
	./Configure \
	-n \
	$(TargetOS)

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

.PHONY: build
build: configure
	$(Verbose)unset MAKEFLAGS && \
	$(MAKE) -C $(BuildDirectory) \
	CC=$(CC) \
	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 $(BuildDirectory) DESTDIR=$(ResultDirectory) install

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

include post.mak