#
#    Copyright (c) 2010-2014 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 ALSA User space library
#


include pre.mak

PackageName		:= alsa-lib

PackageExtension	:= tar.bz2
PackageSeparator	:= -

PackagePatchArgs	:= -p1

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

PackageBuildMakefile	= $(call GenerateBuildPaths,Makefile)

CleanPaths		+= $(PackageLicenseFile)

AlsaUserIncDir		:= /usr/include/alsa/
AlsaUserLibDir		:= /usr/lib/
ifeq ($(BUILD_FEATURE_SIMULATOR),1)
AsoundConfigFile	:= asound_sim.conf
DebugFlags		:= -g -O0
AlsaPulseDir		:= /usr/lib/x86_64-linux-gnu/alsa-lib/
else
AsoundConfigFile	:= asound.conf
DebugFlags		:=
AlsaPulseDir		:=
endif

SOURCEDIRS                      = $(PackageSourceDir)
$(PackageSourceDir)_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) $(BuildDirectory)
	$(Verbose)touch $@

# Patch the sources, if necessary.

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

# Generate the package build makefile.

# Configure the source for building.
$(BuildDirectory)/configure: PATH := $(HostBinDir):$(PATH)

$(BuildDirectory)/configure: $(BuildDirectory)/source | $(PackageSourceDir) $(BuildDirectory)
	$(Verbose)cd $(BuildDirectory) && \
	$(CURDIR)/$(PackageSourceDir)/configure \
	CC="$(CC) $(DebugFlags) $(CPPOPTFLAGS)" CXX="$(CXX) $(CPPOPTFLAGS)" AR=$(AR) RANLIB=$(RANLIB) STRIP=$(STRIP) \
	CPPFLAGS="$(call ToolGenerateIncludeArgument,$(LinuxIncludePath))" \
	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
	--build=$(HostTuple) \
	--host=$(TargetTuple) \
	--with-plugindir=$(AlsaPulseDir) \
	--with-versioned=no \
	--prefix=/usr \
	--sysconfdir=/etc \
	--localstatedir=/var \
	--includedir=$(AlsaUserIncDir) \
	--libdir=$(AlsaUserLibDir) \
	--disable-rawmidi \
	--disable-seq \
	--disable-old-symbols \
	--disable-python \
	--disable-alisp
	$(Verbose)touch $@

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

$(BuildDirectory)/build: $(BuildDirectory)/configure
	$(Verbose)unset MAKEFLAGS && \
	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) all
	$(Verbose)touch $@

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

$(BuildDirectory)/stage: $(BuildDirectory)/build | $(ResultDirectory)
	$(Verbose)unset MAKEFLAGS && \
	$(MAKE) $(JOBSFLAG) -C $(BuildDirectory) DESTDIR=$(ResultDirectory) install
	$(Verbose)cp -f $(AsoundConfigFile) $(ResultDirectory)
	$(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