#
#    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 H. Peter Anvin TFTP client
#      and server (tftp-hpa).
#


include pre.mak

PackageName		:= tftp-hpa

PackageExtension	:= tar.bz2
PackageSeparator	:= -

PackagePatchArgs	:=

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

PackageBuildMakefile	= $(call GenerateBuildPaths,Makefile)

CleanPaths		+= $(PackageLicenseFile)

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

all: $(PackageDefaultGoal)

# Generate the package license contents.

$(PackageSourceDir)/tftpd/tftpd.c: $(BuildDirectory)/source

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

# 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 $@

# Generate the package build makefile.
#
# Even though this package supports GNU configure, we have to clone
# the tree since it doesn't correctly support non-colocated source and
# build trees.

# Configure the source for building.

$(BuildDirectory)/configure: $(BuildDirectory)/source | $(PackageSourceDir) $(BuildDirectory)
	$(call create-links,$(CURDIR)/$(PackageSourceDir),$(BuildDirectory))
	$(Verbose)cd $(BuildDirectory) && \
	./configure \
	CC="$(CC) $(CPPOPTFLAGS)" \
	CFLAGS="$(call ToolGenerateIncludeArgument,$(TcpWrappersIncludePath)) \
	        $(call ToolGenerateIncludeArgument,$(LinuxIncludePath))" \
	LDFLAGS=$(call GenerateLibraryPathArgument,$(TcpWrappersLibraryPath)) \
	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
	--build=$(HostTuple) \
	--host=$(TargetTuple) \
	--without-readline \
	--prefix=/usr \
	--sysconfdir=/etc
	$(Verbose)touch $@

# Build the source.

$(BuildDirectory)/build: $(BuildDirectory)/configure
	$(Verbose)$(MAKE) -C $(BuildDirectory) all
	$(Verbose)touch $@

# Stage the build to a temporary installation area.

$(BuildDirectory)/stage: $(BuildDirectory)/build | $(ResultDirectory)
	$(Verbose)$(MAKE) -C $(BuildDirectory) INSTALLROOT=$(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