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# Copyright 1999-2018 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6

MY_PN="OpenSceneGraph"
MY_P=${MY_PN}-${PV}
WX_GTK_VER="3.0"
inherit cmake-utils flag-o-matic wxwidgets

DESCRIPTION="Open source high performance 3D graphics toolkit"
HOMEPAGE="http://www.openscenegraph.org/"
SRC_URI="https://github.com/${PN}/${MY_PN}/archive/${MY_P}.tar.gz"

LICENSE="wxWinLL-3 LGPL-2.1"
SLOT="0/158" # NOTE: CHECK WHEN BUMPING! Subslot is SOVERSION
KEYWORDS="~amd64 ~hppa ~ia64 ~ppc ~ppc64 ~x86"
IUSE="asio curl debug doc egl examples ffmpeg fltk fox gdal gif glut gstreamer gtk jpeg
jpeg2k las libav lua openexr openinventor osgapps pdf png sdl sdl2 svg tiff
truetype vnc wxwidgets xrandr zlib"

REQUIRED_USE="sdl2? ( sdl )"

# TODO: COLLADA, FBX, GTA, NVTT, OpenVRML, Performer, DCMTK
RDEPEND="
	media-libs/mesa[egl?]
	virtual/glu
	virtual/opengl
	x11-libs/libSM
	x11-libs/libXext
	asio? ( dev-cpp/asio )
	curl? ( net-misc/curl )
	examples? (
		fltk? ( x11-libs/fltk:1[opengl] )
		fox? ( x11-libs/fox:1.6[opengl] )
		glut? ( media-libs/freeglut )
		gtk? ( x11-libs/gtkglext )
		sdl2? ( media-libs/libsdl2 )
		wxwidgets? ( x11-libs/wxGTK:${WX_GTK_VER}[opengl,X] )
	)
	ffmpeg? (
		libav? ( media-video/libav:0= )
		!libav? ( media-video/ffmpeg:0= )
	)
	gdal? ( sci-libs/gdal )
	gif? ( media-libs/giflib:= )
	gstreamer? (
		media-libs/gstreamer:1.0
		media-libs/gst-plugins-base:1.0
	)
	jpeg? ( virtual/jpeg:0 )
	jpeg2k? ( media-libs/jasper:= )
	las? ( >=sci-geosciences/liblas-1.8.0 )
	lua? ( >=dev-lang/lua-5.1.5:* )
	openexr? (
		media-libs/ilmbase:=
		media-libs/openexr:=
	)
	openinventor? ( media-libs/coin )
	pdf? ( app-text/poppler[cairo] )
	png? ( media-libs/libpng:0= )
	sdl? ( media-libs/libsdl )
	svg? (
		gnome-base/librsvg
		x11-libs/cairo
	)
	tiff? ( media-libs/tiff:0 )
	truetype? ( media-libs/freetype:2 )
	vnc? ( net-libs/libvncserver )
	xrandr? ( x11-libs/libXrandr )
	zlib? ( sys-libs/zlib )
"
DEPEND="${RDEPEND}
	app-arch/unzip
	virtual/pkgconfig
	x11-base/xorg-proto
	doc? ( app-doc/doxygen )
"

S="${WORKDIR}/${MY_PN}-${MY_P}"

PATCHES=(
	"${FILESDIR}"/${P}-cmake.patch
	"${FILESDIR}"/${P}-docdir.patch
)

src_configure() {
	if use examples && use wxwidgets; then
		need-wxwidgets unicode
	fi

	# Needed by FFmpeg
	append-cppflags -D__STDC_CONSTANT_MACROS

	local libdir=$(get_libdir)
	local mycmakeargs=(
		-DDYNAMIC_OPENSCENEGRAPH=ON
		-DLIB_POSTFIX=${libdir/lib}
		-DCMAKE_INSTALL_DOCDIR="/usr/share/doc/${PF}" # drop after EAPI-7 port
		-DOPENGL_PROFILE=GL2 #GL1 GL2 GL3 GLES1 GLES3 GLES3
		-DOSG_ENVVAR_SUPPORTED=ON
		-DOSG_PROVIDE_READFILE=ON
		-DOSG_USE_LOCAL_LUA_SOURCE=OFF
		$(cmake-utils_use_find_package asio Asio)
		$(cmake-utils_use_find_package curl CURL)
		-DBUILD_DOCUMENTATION=$(usex doc)
		-DBUILD_OSG_APPLICATIONS=$(usex osgapps)
		$(cmake-utils_use_find_package egl EGL)
		-DBUILD_OSG_EXAMPLES=$(usex examples)
		$(cmake-utils_use_find_package ffmpeg FFmpeg)
		$(cmake-utils_use_find_package gdal GDAL)
		$(cmake-utils_use_find_package gif GIFLIB)
		$(cmake-utils_use_find_package gstreamer GLIB)
		$(cmake-utils_use_find_package gstreamer GStreamer)
		$(cmake-utils_use_find_package gtk GtkGl)
		$(cmake-utils_use_find_package jpeg JPEG)
		$(cmake-utils_use_find_package jpeg2k Jasper)
		$(cmake-utils_use_find_package las LIBLAS)
		$(cmake-utils_use_find_package lua Lua51)
		-DCMAKE_DISABLE_FIND_PACKAGE_Lua52=ON
		-DCMAKE_DISABLE_FIND_PACKAGE_OpenCascade=ON
		$(cmake-utils_use_find_package openexr OpenEXR)
		$(cmake-utils_use_find_package openinventor Inventor)
		$(cmake-utils_use_find_package pdf Poppler-glib)
		$(cmake-utils_use_find_package png PNG)
		$(cmake-utils_use_find_package sdl SDL)
		$(cmake-utils_use_find_package sdl2 SDL2)
		$(cmake-utils_use_find_package svg RSVG)
		$(cmake-utils_use_find_package tiff TIFF)
		$(cmake-utils_use_find_package truetype Freetype)
		$(cmake-utils_use_find_package vnc LibVNCServer)
		-DOSGVIEWER_USE_XRANDR=$(usex xrandr)
		$(cmake-utils_use_find_package zlib ZLIB)
	)
	if use examples; then
		mycmakeargs+=(
			$(cmake-utils_use_find_package fltk FLTK)
			$(cmake-utils_use_find_package fox FOX)
			$(cmake-utils_use_find_package glut GLUT)
			$(cmake-utils_use_find_package wxwidgets wxWidgets)
		)
	fi

	cmake-utils_src_configure
}

src_compile() {
	cmake-utils_src_compile
	use doc && cmake-utils_src_compile doc_openscenegraph doc_openthreads
}