# Copyright 2016 Julian Ospald <hasufell@posteo.de>
# Distributed under the terms of the GNU General Public License v2

require qmake
require scons
require github [ user=sinamas ]

SUMMARY="An accuracy-focused Gameboy / Gameboy Color emulator"
HOMEPAGE="http://sourceforge.net/projects/gambatte"

LICENCES="GPL-2"
SLOT="0"
PLATFORMS="~amd64"
MYOPTIONS="
    (
      qt4 [[ description = [ build qt4 frontend with real GUI ] ]]
      sdl [[ description = [ build sdl fronted, start via cli ] ]]
    ) [[ number-selected = at-least-one ]]
"

DEPENDENCIES="
    build+run:
        sys-libs/zlib
        qt4? (
            sys-sound/alsa-lib
            x11-libs/libX11
            x11-libs/libXext
            x11-libs/libXrandr
            x11-libs/libXv
            x11-libs/qt:4[opengl]
        )
        sdl? ( media-libs/SDL:0[X] )
"

fix_scons() {
	local i
	for i; do
		cat >> $i << END || die
import os
import SCons.Util

if os.environ.has_key('AR'):
	env['AR'] = os.environ['AR']
if os.environ.has_key('RANLIB'):
	env['RANLIB'] = os.environ['RANLIB']
if os.environ.has_key('CC'):
	env['CC'] = os.environ['CC']
if os.environ.has_key('CFLAGS'):
	env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
if os.environ.has_key('CXX'):
	env['CXX'] = os.environ['CXX']
if os.environ.has_key('CXXFLAGS'):
	env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
if os.environ.has_key('CPPFLAGS'):
	env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CPPFLAGS'])
if os.environ.has_key('LDFLAGS'):
	env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
END
	done
}

src_prepare() {
	fix_scons {gambatte_sdl,libgambatte}/SConstruct
}

src_configure() {
	if option qt4; then
		edo cd "${WORK}"/gambatte_qt
		eqmake ${PN}_qt.pro
	fi
}

src_compile() {
	# build core library
	edo cd "${WORK}"/libgambatte
	escons

	# build sdl frontend
	if option sdl; then
		edo cd "${WORK}"/gambatte_sdl
		escons
	fi

	# build qt frontend
	if option qt4; then
		emake -C "${WORK}"/gambatte_qt
	fi
}

src_install() {
	option sdl && dobin gambatte_sdl/gambatte_sdl
	option qt4 && dobin gambatte_qt/bin/gambatte_qt

	nonfatal dodoc README changelog
}