#
#    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
#

BuildConfigSpecialized	:= No
BuildProductSpecialized	:= No

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)

AsoundConfigFile	:= asound.conf
AlsaUserIncDir		:= /usr/include/alsa/
AlsaUserLibDir		:= /usr/lib/
ifeq ($(BUILD_FEATURE_SIMULATOR),1)
AlsaConfDir 		:= /tmp/alsa
DebugFlags		:= -g -O0
else
AlsaConfDir 		:= /usr/share/alsa
DebugFlags		:=
endif

all: $(PackageDefaultGoal)

# Generate the package license contents.

$(PackageSourceDir)/LICENSE: 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.

.PHONY: source
source: | $(PackageSourceDir)

# Patch the sources, if necessary.

.PHONY: patch
patch: source

# Generate the package build makefile.

$(PackageBuildMakefile): | $(PackageSourceDir) $(BuildDirectory)
	$(Verbose)cd $(BuildDirectory) && \
	$(CURDIR)/$(PackageSourceDir)/configure \
	CC="$(CC) $(DebugFlags)" CXX="$(CXX)" AR=$(AR) RANLIB=$(RANLIB) STRIP=$(STRIP) \
	INSTALL="$(INSTALL) $(INSTALLFLAGS)" \
	--build=$(HostTuple) \
	--host=$(TargetTuple) \
	--with-configdir=$(AlsaConfDir) \
	--with-versioned=no \
	--prefix=/usr \
	--sysconfdir=/etc \
	--localstatedir=/var \
	--includedir=$(AlsaUserIncDir) \
	--libdir=$(AlsaUserLibDir) \
	--disable-rawmidi \
	--disable-seq \
	--disable-old-symbols \
	--disable-python \
	--disable-alisp

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

.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) $(JOBSFLAG) -C $(BuildDirectory) 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) $(JOBSFLAG) -C $(BuildDirectory) DESTDIR=$(ResultDirectory) install
	$(Verbose)cp -f $(AsoundConfigFile) $(ResultDirectory)

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

include post.mak