BuildFeatures

# This file contains setup for build features that are not available for all
# architectures/setups or that are optional for the build. For features that
# require downloading a zip file from somewhere it is likely the same file used
# for an optional package.


# Add the target architecture as a build feature.
EnableBuildFeatures $(HAIKU_ARCH) ;


# Detect a hybrid GCC2/GCC4 image and disable the checks for unavailable GCC4
# packages. (It does not matter if a package was built with either compiler,
# the system should have the respective other system libs.)
local isHybridBuild ;
if $(HAIKU_ADD_ALTERNATIVE_GCC_LIBS) = 1
		&& $(HAIKU_ALTERNATIVE_GCC_OUTPUT_DIR) {
	isHybridBuild = 1 ;
}

local baseURL = http://www.haiku-files.org/files/optional-packages ;


# SSL

# Automatically enable the SSL feature, when the optional OpenSSL optional
# package is enabled.
if [ IsOptionalHaikuImagePackageAdded OpenSSL ] {
	HAIKU_BUILD_FEATURE_SSL = 1 ;
}

if $(HAIKU_GCC_VERSION[1]) >= 4 {
	if $(TARGET_ARCH) = x86_64 {
		HAIKU_OPENSSL_PACKAGE = openssl-1.0.0j-x86_64-2012-12-18.zip ;
	} else {
		HAIKU_OPENSSL_PACKAGE = openssl-1.0.0j-r1a4-x86-gcc4-2012-08-29.zip ;
	}
} else {
	HAIKU_OPENSSL_PACKAGE = openssl-1.0.0j-r1a4-x86-gcc2-2012-08-26.zip ;
}

HAIKU_OPENSSL_URL = $(baseURL)/$(HAIKU_OPENSSL_PACKAGE) ;

if $(HAIKU_BUILD_FEATURE_SSL) {
	if $(TARGET_ARCH) = x86 || $(TARGET_ARCH) = x86_64 {
		# Download the zip archive.
		local zipFile = [ DownloadFile $(HAIKU_OPENSSL_PACKAGE)
			: $(HAIKU_OPENSSL_URL) ] ;

		# zip file and output directory
		HAIKU_OPENSSL_ZIP_FILE = $(zipFile) ;
		HAIKU_OPENSSL_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
			$(HAIKU_OPENSSL_PACKAGE:B) ] ;

		# extract headers and libraries
		HAIKU_OPENSSL_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_OPENSSL_DIR)
			: common/include/ : $(zipFile) : extracted-openssl
		] ;

		HAIKU_OPENSSL_LIBS = [ ExtractArchive $(HAIKU_OPENSSL_DIR)
			:
			common/lib/libcrypto.so
			common/lib/libssl.so
			: $(zipFile)
			: extracted-openssl
		] ;

		HAIKU_OPENSSL_HEADERS
			= [ FDirName $(HAIKU_OPENSSL_DIR) common include ] ;

		EnableBuildFeatures openssl ;
	} else {
		Echo "SSL build feature not available for $(TARGET_ARCH)" ;
	}
}


# ICU

# Note ICU isn't actually optional, but is still an external package
HAIKU_ICU_GCC_2_PACKAGE = icu-4.8.1.1-r1a4-x86-gcc2-2012-08-29.zip ;
HAIKU_ICU_GCC_4_PACKAGE = icu-4.8.1.1-r1a4-x86-gcc4-2012-08-29.zip ;
HAIKU_ICU_PPC_PACKAGE = icu-4.8.1-ppc-2011-08-20.zip ;
HAIKU_ICU_ARM_PACKAGE = icu-4.8.1.1-arm-2012-11-21.zip ;
HAIKU_ICU_X86_64_PACKAGE = icu-4.8.1.1-x86_64-2012-07-30.zip ;

if $(TARGET_ARCH) in arm ppc x86 x86_64 {
	local icu_package ;
	if $(TARGET_ARCH) = ppc {
		icu_package = $(HAIKU_ICU_PPC_PACKAGE) ;
		HAIKU_ICU_DEVEL_PACKAGE = icu-devel-4.8.1-ppc-2011-12-19.zip ;
	} else if $(TARGET_ARCH) = arm {
		icu_package = $(HAIKU_ICU_ARM_PACKAGE) ;
		HAIKU_ICU_DEVEL_PACKAGE = icu-devel-4.8.1.1-arm-2012-11-21.zip ;
	} else if $(TARGET_ARCH) = x86_64 {
		icu_package = $(HAIKU_ICU_X86_64_PACKAGE) ;
		HAIKU_ICU_DEVEL_PACKAGE = icu-devel-4.8.1.1-x86_64-2012-07-30.zip ;
	} else if $(HAIKU_GCC_VERSION[1]) = 2 {
		icu_package = $(HAIKU_ICU_GCC_2_PACKAGE) ;
		HAIKU_ICU_DEVEL_PACKAGE = icu-devel-4.8.1.1-x86-gcc2-2011-12-20.zip ;
	} else {
		icu_package = $(HAIKU_ICU_GCC_4_PACKAGE) ;
		HAIKU_ICU_DEVEL_PACKAGE = icu-devel-4.8.1.1-x86-gcc4-2011-12-20.zip ;
	}
	local zipFile = [ DownloadFile $(icu_package)
		: $(baseURL)/$(icu_package) ] ;

	# zip file and output directory
	HAIKU_ICU_ZIP_FILE = $(zipFile) ;
	HAIKU_ICU_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(icu_package:B) ] ;

	# extract libraries
	if $(TARGET_ARCH) = ppc {
		HAIKU_ICU_LIBS = [ ExtractArchive $(HAIKU_ICU_DIR)
			:
			libicudata.so.48.1
			libicui18n.so.48.1
			libicuio.so.48.1
			libicule.so.48.1
			libiculx.so.48.1
			libicutu.so.48.1
			libicuuc.so.48.1
			: $(zipFile)
			: extracted-icu
		] ;
	} else {
		HAIKU_ICU_LIBS = [ ExtractArchive $(HAIKU_ICU_DIR)
			:
			libicudata.so.48.1.1
			libicui18n.so.48.1.1
			libicuio.so.48.1.1
			libicule.so.48.1.1
			libiculx.so.48.1.1
			libicutu.so.48.1.1
			libicuuc.so.48.1.1
			: $(zipFile)
			: extracted-icu
		] ;
	}

	# zip file and output directory
	HAIKU_ICU_DEVEL_ZIP_FILE = [ DownloadFile $(HAIKU_ICU_DEVEL_PACKAGE)
			: $(baseURL)/$(HAIKU_ICU_DEVEL_PACKAGE) ] ;
	HAIKU_ICU_DEVEL_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_ICU_DEVEL_PACKAGE:B) ] ;

	# extract headers
	HAIKU_ICU_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_ICU_DEVEL_DIR)
		: develop/headers/3rdparty : $(HAIKU_ICU_DEVEL_ZIP_FILE)
		: extracted-icu-devel ] ;

	HAIKU_ICU_HEADERS
		= [ FDirName $(HAIKU_ICU_DEVEL_DIR) develop headers 3rdparty ] ;

	EnableBuildFeatures icu ;
} else  {
	Echo "ICU not available for $(TARGET_ARCH)" ;
}


# CLucene

# Automatically install the CLucene feature, when the optional CLucene optional
# package is enabled.
if [ IsOptionalHaikuImagePackageAdded CLucene ] {
	HAIKU_BUILD_FEATURE_CLUCENE = 1 ;
}


HAIKU_CLUCENE_PACKAGE = clucene-0.9.21-x86-gcc4-haiku-2009-08-11.zip ;
HAIKU_CLUCENE_URL = $(baseURL)/$(HAIKU_CLUCENE_PACKAGE) ;

if $(HAIKU_BUILD_FEATURE_CLUCENE) {
	if $(TARGET_ARCH) != x86 {
		Echo "CLucene build feature not available for $(TARGET_ARCH)" ;
	} else {
		# Download the zip archive.
		local zipFile = [ DownloadFile $(HAIKU_CLUCENE_PACKAGE)
			: $(HAIKU_CLUCENE_URL) ] ;

		# zip file and output directory
		HAIKU_CLUCENE_ZIP_FILE = $(zipFile) ;
		HAIKU_CLUCENE_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
			$(HAIKU_CLUCENE_PACKAGE:B) ] ;

		# extract headers and libraries
		HAIKU_CLUCENE_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_CLUCENE_DIR)
			: common/include/ : $(zipFile) : extracted-clucene
		] ;

		HAIKU_CLUCENE_LIBS = [ ExtractArchive $(HAIKU_CLUCENE_DIR)
			:
			common/lib/libclucene.a
			: $(zipFile)
			 : extracted-clucene
		] ;

		HAIKU_CLUCENE_HEADERS
			= [ FDirName $(HAIKU_CLUCENE_DIR) common include ] ;

		EnableBuildFeatures clucene ;
	}
}


# GLU (GL Utilities)
if $(TARGET_ARCH) = x86 {
	if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_GLU_FILE = glu-9.0-x86-gcc4-2012-11-13.zip ;
	} else {
		HAIKU_GLU_FILE = glu-9.0-x86-gcc2-2012-11-13.zip ;
	}

	local zipFile = [ DownloadFile $(HAIKU_GLU_FILE)
		: $(baseURL)/lib/$(HAIKU_GLU_FILE) ] ;

	HAIKU_GLU_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_GLU_FILE:B) ] ;
	HAIKU_GLU_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_GLU_DIR)
		: develop/headers/os/opengl/GL : $(zipFile) : extracted-glu-headers ] ;
	HAIKU_GLU_LIBS = [ ExtractArchive $(HAIKU_GLU_DIR)
		: system/lib/libGLU.a : $(zipFile) : extracted-glu ] ;
	HAIKU_GLU_HEADERS = [ FDirName $(HAIKU_GLU_DIR) develop headers os opengl ] ;

	EnableBuildFeatures glu ;
} else {
	Echo "GLU not yet available on $(TARGET_ARCH)" ;
}


# Mesa
if $(TARGET_ARCH) = x86 {
	local zipFile ;
	if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_MESA_FILE = mesa-9.0.1-x86-gcc4-2012-12-21.zip ;
	} else {
		HAIKU_MESA_FILE = mesa-7.8.2-x86-gcc2-2012-01-17.zip ;
	}

	zipFile = [ DownloadFile $(HAIKU_MESA_FILE)
		: $(baseURL)/$(HAIKU_MESA_FILE) ] ;

	HAIKU_MESA_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_MESA_FILE:B) ] ;

	HAIKU_MESA_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_MESA_DIR)
		: include/ : $(zipFile) : extracted-mesa ] ;

	HAIKU_GLAPI_LIBS = [ ExtractArchive $(HAIKU_MESA_DIR)
		:
		lib.haiku/libglapi.a
		: $(zipFile)
		: extracted-mesa ] ;

	HAIKU_MESA_LIBS = 
		$(HAIKU_MESA_DIR)/lib.haiku/libmesa.a
		$(HAIKU_MESA_DIR)/lib.haiku/libglsl.a ;

	HAIKU_MESA_HEADERS = [ FDirName $(HAIKU_MESA_DIR) include ] ;

	Depends $(HAIKU_MESA_HEADERS_DEPENDENCY) : $(HAIKU_GLU_HEADERS_DEPENDENCY) ;
	Depends $(HAIKU_GLAPI_LIBS) : $(HAIKU_GLU_LIBS) ;

	EnableBuildFeatures mesa ;
} else {
	Echo "Mesa 3D rendering support not available on $(TARGET_ARCH)" ;
}


# FFmpeg
local ffmpegBaseURL = $(baseURL)/lib ;
if $(TARGET_ARCH) = x86 {
	if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_FFMPEG_FILE = ffmpeg-0.10.2-r1a4-x86-gcc4-2012-09-02.zip ;
		HAIKU_SPEEX_FILE = speex-1.2rc1-r1a4-x86-gcc4-2012-09-02.zip ;
		HAIKU_LIBTHEORA_FILE = libtheora-1.1.1-r1a4-x86-gcc4-2012-09-02.zip ;
		HAIKU_LIBVORBIS_FILE = libvorbis-1.3.2-r1a4-x86-gcc4-2012-09-02.zip ;
		HAIKU_LIBOGG_FILE = libogg-1.3.0-r1a4-x86-gcc4-2012-09-02.zip ;
		HAIKU_LIBVPX_FILE = libvpx-1.0.0-r1a4-x86-gcc4-2012-09-02.zip ;
	} else {
		HAIKU_FFMPEG_FILE = ffmpeg-0.10.2-r1a4-x86-gcc2-2012-08-30.zip ;
		HAIKU_SPEEX_FILE = speex-1.2rc1-r1a4-x86-gcc2-2012-08-29.zip ;
		HAIKU_LIBTHEORA_FILE = libtheora-1.1.1-r1a4-x86-gcc2-2012-08-29.zip ;
		HAIKU_LIBVORBIS_FILE = libvorbis-1.3.2-r1a4-x86-gcc2-2012-08-29.zip ;
		HAIKU_LIBOGG_FILE = libogg-1.3.0-r1a4-x86-gcc2-2012-08-29.zip ;
		HAIKU_LIBVPX_FILE = libvpx-1.0.0-r1a4-x86-gcc2-2012-08-29.zip ;
	}

	local ffmpegZipFile = [ DownloadFile $(HAIKU_FFMPEG_FILE)
		: $(ffmpegBaseURL)/$(HAIKU_FFMPEG_FILE) ] ;
	local speexZipFile = [ DownloadFile $(HAIKU_SPEEX_FILE)
		: $(ffmpegBaseURL)/$(HAIKU_SPEEX_FILE) ] ;
	local libtheoraZipFile = [ DownloadFile $(HAIKU_LIBTHEORA_FILE)
		: $(ffmpegBaseURL)/$(HAIKU_LIBTHEORA_FILE) ] ;
	local libvorbisZipFile = [ DownloadFile $(HAIKU_LIBVORBIS_FILE)
		: $(ffmpegBaseURL)/$(HAIKU_LIBVORBIS_FILE) ] ;
	local liboggZipFile = [ DownloadFile $(HAIKU_LIBOGG_FILE)
		: $(ffmpegBaseURL)/$(HAIKU_LIBOGG_FILE) ] ;
	local libvpxZipFile = [ DownloadFile $(HAIKU_LIBVPX_FILE)
		: $(ffmpegBaseURL)/$(HAIKU_LIBVPX_FILE) ] ;

	HAIKU_FFMPEG_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_FFMPEG_FILE:B) ] ;
	HAIKU_SPEEX_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_SPEEX_FILE:B) ] ;
	HAIKU_LIBTHEORA_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_LIBTHEORA_FILE:B) ] ;
	HAIKU_LIBVORBIS_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_LIBVORBIS_FILE:B) ] ;
	HAIKU_LIBOGG_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_LIBOGG_FILE:B) ] ;
	HAIKU_LIBVPX_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_LIBVPX_FILE:B) ] ;

	HAIKU_FFMPEG_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_FFMPEG_DIR)
		: common/include/ : $(ffmpegZipFile) : extracted-ffmpeg ] ;
	HAIKU_SPEEX_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_SPEEX_DIR)
		: common/include/ : $(speexZipFile) : extracted-speex ] ;
	HAIKU_LIBTHEORA_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_LIBTHEORA_DIR)
		: common/include/ : $(libtheoraZipFile) : extracted-libtheora ] ;
	HAIKU_LIBVORBIS_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_LIBVORBIS_DIR)
		: common/include/ : $(libvorbisZipFile) : extracted-libvorbis ] ;
	HAIKU_LIBOGG_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_LIBOGG_DIR)
		: common/include/ : $(liboggZipFile) : extracted-libogg ] ;
	HAIKU_LIBVPX_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_LIBVPX_DIR)
		: common/include/ : $(libvpxZipFile) : extracted-libvpx ] ;

	HAIKU_FFMPEG_LIBS = [ ExtractArchive $(HAIKU_FFMPEG_DIR)
		:
		common/lib/libavformat.a
		common/lib/libavcodec.a
		common/lib/libavdevice.a
		common/lib/libavfilter.a
		common/lib/libswscale.a
		common/lib/libavutil.a
		: $(ffmpegZipFile)
		: extracted-ffmpeg ] ;
	Depends $(HAIKU_FFMPEG_LIBS) : $(HAIKU_FFMPEG_HEADERS_DEPENDENCY) ;

	HAIKU_SPEEX_LIBS = [ ExtractArchive $(HAIKU_SPEEX_DIR)
		:
		common/lib/libspeex.a
		: $(speexZipFile)
		: extracted-speex ] ;
	Depends $(HAIKU_SPEEX_LIBS) : $(HAIKU_SPEEX_HEADERS_DEPENDENCY) ;

	HAIKU_LIBTHEORA_LIBS = [ ExtractArchive $(HAIKU_LIBTHEORA_DIR)
		:
		common/lib/libtheora.a
		common/lib/libtheoradec.a
		common/lib/libtheoraenc.a
		: $(libtheoraZipFile)
		: extracted-libtheora ] ;
	Depends $(HAIKU_LIBTHEORA_LIBS) : $(HAIKU_LIBTHEORA_HEADERS_DEPENDENCY) ;


	HAIKU_LIBVORBIS_LIBS = [ ExtractArchive $(HAIKU_LIBVORBIS_DIR)
		:
		common/lib/libvorbis.a
		common/lib/libvorbisenc.a
		: $(libvorbisZipFile)
		: extracted-libvorbis ] ;
	Depends $(HAIKU_LIBVORBIS_LIBS) : $(HAIKU_LIBVORBIS_HEADERS_DEPENDENCY) ;


	HAIKU_LIBOGG_LIBS = [ ExtractArchive $(HAIKU_LIBOGG_DIR)
		:
		common/lib/libogg.a
		: $(liboggZipFile)
		: extracted-libogg ] ;
	Depends $(HAIKU_LIBOGG_LIBS) : $(HAIKU_LIBOGG_HEADERS_DEPENDENCY) ;

	HAIKU_LIBVPX_LIBS = [ ExtractArchive $(HAIKU_LIBVPX_DIR)
		:
		common/lib/libvpx.a
		: $(libvpxZipFile)
		: extracted-libvpx ] ;
	Depends $(HAIKU_LIBVPX_LIBS) : $(HAIKU_LIBVPX_HEADERS_DEPENDENCY) ;

	HAIKU_FFMPEG_HEADERS = [ FDirName $(HAIKU_FFMPEG_DIR) common include ] ;
	HAIKU_SPEEX_HEADERS = [ FDirName $(HAIKU_SPEEX_DIR) common include ] ;
	HAIKU_LIBTHEORA_HEADERS = [ FDirName $(HAIKU_LIBTHEORA_DIR) common include ] ;
	HAIKU_LIBVORBIS_HEADERS = [ FDirName $(HAIKU_LIBVORBIS_DIR) common include ] ;
	HAIKU_LIBOGG_HEADERS = [ FDirName $(HAIKU_LIBOGG_DIR) common include ] ;
	HAIKU_LIBVPX_HEADERS = [ FDirName $(HAIKU_LIBVPX_DIR) common include ] ;

	EnableBuildFeatures ffmpeg ;
} else {
	Echo "FFMpeg support not available on $(TARGET_ARCH)" ;
}


# MikMod
local mikmodBaseURL = http://haiku-files.org/files/optional-packages/lib ;
if $(TARGET_ARCH) = x86 {
	if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_MIKMOD_FILE = libmikmod-3.1.11-r1a4-x86-gcc4-2012-09-02.zip ;
	} else {
		HAIKU_MIKMOD_FILE = libmikmod-3.1.11-r1a4-x86-gcc2-2012-08-29.zip ;
	}

	local mikmodZipFile = [ DownloadFile $(HAIKU_MIKMOD_FILE)
		: $(mikmodBaseURL)/$(HAIKU_MIKMOD_FILE) ] ;

	HAIKU_MIKMOD_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_MIKMOD_FILE:B) ] ;

	HAIKU_MIKMOD_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_MIKMOD_DIR)
		: common/include/ : $(mikmodZipFile) : extracted-mikmod ] ;

	HAIKU_MIKMOD_LIBS = [ ExtractArchive $(HAIKU_MIKMOD_DIR)
		:
		common/lib/libmikmod.a
		: $(mikmodZipFile)
		: extracted-ffmpeg ] ;
	Depends $(HAIKU_MIKMOD_LIBS) : $(HAIKU_MIKMOD_HEADERS_DEPENDENCY) ;

	HAIKU_MIKMOD_HEADERS = [ FDirName $(HAIKU_MIKMOD_DIR) common include ] ;

	EnableBuildFeatures mikmod ;
} else {
	Echo "MikMod support not available on $(TARGET_ARCH)" ;
}


# Freetype
local freetypeBaseURL = $(baseURL)/lib ;
if $(TARGET_ARCH) = ppc || $(TARGET_ARCH) = x86 || $(TARGET_ARCH) = x86_64 || $(TARGET_ARCH) = arm {
	if $(TARGET_ARCH) = arm {
		HAIKU_FREETYPE_FILE = freetype-2.4.9-arm-2012-11-21.zip ;
	} else if $(TARGET_ARCH) = ppc {
		HAIKU_FREETYPE_FILE = freetype-2.4.9-ppc-gcc4-2012-06-26.zip ;
	} else if $(TARGET_ARCH) = x86_64 {
		HAIKU_FREETYPE_FILE = freetype-2.4.9-x86_64-2012-08-04.zip ;
	} else if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_FREETYPE_FILE = freetype-2.4.9-r1a4-x86-gcc4-2012-09-02.zip ;
	} else {
		HAIKU_FREETYPE_FILE = freetype-2.4.9-r1a4-x86-gcc2-2012-08-28.zip ;
	}

	local freetypeZipFile = [ DownloadFile $(HAIKU_FREETYPE_FILE)
		: $(freetypeBaseURL)/$(HAIKU_FREETYPE_FILE) ] ;

	HAIKU_FREETYPE_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_FREETYPE_FILE:B) ] ;

	HAIKU_FREETYPE_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_FREETYPE_DIR)
		: develop/headers/3rdparty/freetype2 : $(freetypeZipFile)
		: extracted-freetype ] ;

	HAIKU_FREETYPE_LIB = [ ExtractArchive $(HAIKU_FREETYPE_DIR)
		:
		common/lib/libfreetype.so
		: $(freetypeZipFile)
		: extracted-freetype ] ;
	HAIKU_FREETYPE_CURRENT_LIB = [ ExtractArchive $(HAIKU_FREETYPE_DIR)
		:
		common/lib/libfreetype.so.6.8.1
		: $(freetypeZipFile)
		: extracted-freetype ] ;
	Depends $(HAIKU_FREETYPE_LIB) $(HAIKU_FREETYPE_CURRENT_LIB) : $(HAIKU_FREETYPE_HEADERS_DEPENDENCY) ;

	HAIKU_FREETYPE_CURRENT_LINK = libfreetype.so.6 ;

	HAIKU_FREETYPE_HEADERS = [ FDirName $(HAIKU_FREETYPE_DIR) develop
		headers 3rdparty ] [ FDirName $(HAIKU_FREETYPE_DIR) develop
		headers 3rdparty freetype2 ] ;

	EnableBuildFeatures freetype ;
} else {
	Echo "Freetype support not available on $(TARGET_ARCH)" ;
}


# TagLib

# Automatically install the TagLib feature, when the optional TagLib optional
# package is enabled.
if [ IsOptionalHaikuImagePackageAdded TagLib ] {
	HAIKU_BUILD_FEATURE_TAGLIB = 1 ;
}

HAIKU_TAGLIB_PACKAGE = taglib-1.6.3-r1a4-x86-gcc2-2012-09-03.zip ;
HAIKU_TAGLIB_URL = $(baseURL)/$(HAIKU_TAGLIB_PACKAGE) ;

if $(HAIKU_BUILD_FEATURE_TAGLIB) {
	if $(TARGET_ARCH) != x86 {
		Echo "TagLib build feature not available for $(TARGET_ARCH)" ;
	} else {
		# Download the zip archive.
		local zipFile = [ DownloadFile $(HAIKU_TAGLIB_PACKAGE)
			: $(HAIKU_TAGLIB_URL) ] ;

		# zip file and output directory
		HAIKU_TAGLIB_ZIP_FILE = $(zipFile) ;
		HAIKU_TAGLIB_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
			$(HAIKU_TAGLIB_PACKAGE:B) ] ;

		# extract headers and libraries
		HAIKU_TAGLIB_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_TAGLIB_DIR)
			: common/include/ : $(zipFile) : extracted-taglib
		] ;

		HAIKU_TAGLIB_LIBS = [ ExtractArchive $(HAIKU_TAGLIB_DIR)
			:
			common/lib/libtag.so
			common/lib/libtag_c.so
			: $(zipFile)
			: extracted-taglib
		] ;

		HAIKU_TAGLIB_HEADERS
			= [ FDirName $(HAIKU_TAGLIB_DIR) common include taglib ] ;

		EnableBuildFeatures taglib ;
	}
}


# WebKit
# Automatically install the WebKit feature, when the optional WebPositive
# optional package is enabled.
if [ IsOptionalHaikuImagePackageAdded WebPositive ] {
	HAIKU_BUILD_FEATURE_WEBKIT = 1 ;
}

HAIKU_WEBKIT_FILE = haikuwebkit-1.1.3-x86-gcc4-2012-08-31a.zip ;

if $(HAIKU_BUILD_FEATURE_WEBKIT) {
	if $(TARGET_ARCH) != x86 {
		Echo "WebKit support not available on $(TARGET_ARCH)" ;
	} else if $(HAIKU_GCC_VERSION[1]) < 4 {
		if ! $(isHybridBuild) {
			Echo "WebKit support not available on gcc $(HAIKU_GCC_VERSION[1])" ;
		} else {
			Echo "WebKit to be utilized by gcc4 inside $(HAIKU_ALTERNATIVE_GCC_OUTPUT_DIR)" ;
		}
	} else {
		local zipFile = [ DownloadFile $(HAIKU_WEBKIT_FILE)
			: $(baseURL)/$(HAIKU_WEBKIT_FILE) ] ;

		HAIKU_WEBKIT_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
			$(HAIKU_WEBKIT_FILE:B) ] ;

		HAIKU_WEBKIT_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_WEBKIT_DIR)
			: include/ : $(zipFile) : extracted-webkit ] ;

		HAIKU_WEBKIT_LIBS = [ ExtractArchive $(HAIKU_WEBKIT_DIR)
			:
			lib/libwtf.so
			lib/libjavascriptcore.so
			lib/libwebcore.so
			lib/libwebkit.so
			: $(zipFile)
			: extracted-webkit
		] ;

		HAIKU_WEBKIT_HEADERS = [ FDirName $(HAIKU_WEBKIT_DIR) include ] ;

		EnableBuildFeatures webkit ;
	}
}

# libpng
local libpngBaseURL = $(baseURL)/lib ;
if $(TARGET_ARCH) = ppc || $(TARGET_ARCH) = x86 || $(TARGET_ARCH) = x86_64 || $(TARGET_ARCH) = arm {
	if $(TARGET_ARCH) = arm {
		HAIKU_LIBPNG_FILE = libpng-1.5.12-arm-2012-11-21.zip ;
	} else if $(TARGET_ARCH) = ppc {
		HAIKU_LIBPNG_FILE = libpng-1.5.12-ppc-gcc4-2012-08-27.zip ;
	} else if $(TARGET_ARCH) = x86_64 {
		HAIKU_LIBPNG_FILE = libpng-1.5.12-x86_64-2012-11-18.zip ;
	} else if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_LIBPNG_FILE = libpng-1.5.12-x86-gcc4-2012-08-23.zip ;
	} else {
		HAIKU_LIBPNG_FILE = libpng-1.5.12-x86-gcc2-2012-08-23.zip ;
	}

	local libpngZipFile = [ DownloadFile $(HAIKU_LIBPNG_FILE)
		: $(libpngBaseURL)/$(HAIKU_LIBPNG_FILE) ] ;

	HAIKU_LIBPNG_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_LIBPNG_FILE:B) ] ;

	HAIKU_LIBPNG_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_LIBPNG_DIR)
		: common/include : $(libpngZipFile)
		: extracted-libpng ] ;

	HAIKU_LIBPNG_LIB = [ ExtractArchive $(HAIKU_LIBPNG_DIR)
		:
		common/lib/libpng.so
		: $(libpngZipFile)
		: extracted-libpng ] ;
	HAIKU_LIBPNG_CURRENT_LIB = [ ExtractArchive $(HAIKU_LIBPNG_DIR)
		:
		common/lib/libpng15.so.15.12.0
		: $(libpngZipFile)
		: extracted-libpng ] ;
	Depends $(HAIKU_LIBPNG_LIB) $(HAIKU_LIBPNG_CURRENT_LIB) : $(HAIKU_LIBPNG_HEADERS_DEPENDENCY) ;

	HAIKU_LIBPNG_CURRENT_LINK = libpng15.so.15 ;

	HAIKU_LIBPNG_HEADERS = [ FDirName $(HAIKU_LIBPNG_DIR) common include ] ;

	EnableBuildFeatures libpng ;
} else {
	Echo "libpng support not available on $(TARGET_ARCH)" ;
}

# jpeg
local jpegBaseURL = $(baseURL)/lib ;
if $(TARGET_ARCH) in arm ppc x86 x86_64 {
	if $(TARGET_ARCH) = arm {
		HAIKU_JPEG_FILE = jpeg-8d-arm-2012-11-21.zip ;
	} else if $(TARGET_ARCH) = ppc {
		HAIKU_JPEG_FILE = jpeg-8d-ppc-gcc4-2012-08-27.zip ;
	} else if $(TARGET_ARCH) = x86_64 {
		HAIKU_JPEG_FILE = jpeg-8d-x86_64-2012-11-18.zip ;
	} else if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_JPEG_FILE = jpeg-8d-x86-gcc4-2012-08-23.zip ;
	} else {
		HAIKU_JPEG_FILE = jpeg-8d-x86-gcc2-2012-08-23.zip ;
	}

	local jpegZipFile = [ DownloadFile $(HAIKU_JPEG_FILE)
		: $(jpegBaseURL)/$(HAIKU_JPEG_FILE) ] ;

	HAIKU_JPEG_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_JPEG_FILE:B) ] ;

	HAIKU_JPEG_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_JPEG_DIR)
		: common/include : $(jpegZipFile)
		: extracted-jpeg ] ;

	HAIKU_JPEG_LIB = [ ExtractArchive $(HAIKU_JPEG_DIR)
		:
		common/lib/libjpeg.so
		: $(jpegZipFile)
		: extracted-jpeg ] ;
	HAIKU_JPEG_CURRENT_LIB = [ ExtractArchive $(HAIKU_JPEG_DIR)
		:
		common/lib/libjpeg.so.8.4.0
		: $(jpegZipFile)
		: extracted-jpeg ] ;
	Depends $(HAIKU_JPEG_LIB) $(HAIKU_JPEG_CURRENT_LIB) : $(HAIKU_JPEG_HEADERS_DEPENDENCY) ;

	HAIKU_JPEG_CURRENT_LINK = libjpeg.so.8 ;

	HAIKU_JPEG_HEADERS = [ FDirName $(HAIKU_JPEG_DIR) common include ] ;

	EnableBuildFeatures libjpeg ;
} else {
	Echo "jpeg support not available on $(TARGET_ARCH)" ;
}

# zlib
local zlibBaseURL = $(baseURL)/lib ;
if $(TARGET_ARCH) = ppc || $(TARGET_ARCH) = x86 || $(TARGET_ARCH) = x86_64 || $(TARGET_ARCH) = arm {
	if $(TARGET_ARCH) = arm {
		HAIKU_ZLIB_FILE = zlib-1.2.7-arm-2012-11-21.zip ;
	} else if $(TARGET_ARCH) = ppc {
		HAIKU_ZLIB_FILE = zlib-1.2.7-ppc-gcc4-2012-10-30.zip ;
	} else if $(TARGET_ARCH) = x86_64 {
		HAIKU_ZLIB_FILE = zlib-1.2.7-x86_64-2012-11-18.zip ;
	} else if $(HAIKU_GCC_VERSION[1]) >= 4 {
		HAIKU_ZLIB_FILE = zlib-1.2.7-x86-gcc4-2012-10-30.zip ;
	} else {
		HAIKU_ZLIB_FILE = zlib-1.2.7-x86-gcc2-2012-10-30.zip ;
	}

	local zlibZipFile = [ DownloadFile $(HAIKU_ZLIB_FILE)
		: $(zlibBaseURL)/$(HAIKU_ZLIB_FILE) ] ;

	HAIKU_ZLIB_DIR = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
		$(HAIKU_ZLIB_FILE:B) ] ;

	HAIKU_ZLIB_HEADERS_DEPENDENCY = [ ExtractArchive $(HAIKU_ZLIB_DIR)
		: common/include : $(zlibZipFile)
		: extracted-zlib ] ;

	HAIKU_ZLIB_LIB = [ ExtractArchive $(HAIKU_ZLIB_DIR)
		:
		common/lib/libz.so
		: $(zlibZipFile)
		: extracted-zlib ] ;
	HAIKU_ZLIB_CURRENT_LIB = [ ExtractArchive $(HAIKU_ZLIB_DIR)
		:
		common/lib/libz.so.1.2.7
		: $(zlibZipFile)
		: extracted-zlib ] ;
	Depends $(HAIKU_ZLIB_LIB) $(HAIKU_ZLIB_CURRENT_LIB) : $(HAIKU_ZLIB_HEADERS_DEPENDENCY) ;

	HAIKU_ZLIB_CURRENT_LINK = libz.so.1 ;

	HAIKU_ZLIB_HEADERS = [ FDirName $(HAIKU_ZLIB_DIR) common include ] ;

	EnableBuildFeatures zlib ;
} else {
	Echo "zlib support not available on $(TARGET_ARCH)" ;
}


# GPL add-ons
if $(HAIKU_INCLUDE_GPL_ADDONS) = 1 {
	EnableBuildFeatures gpl ;
}


# ATA vs. IDE
#HACK: remove when old ide code is removed!
if $(HAIKU_ATA_STACK) = 1 {
	EnableBuildFeatures ata ;
} else {
	EnableBuildFeatures ide ;
}