--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+MY_PN=${PN/progs/demos}
+MY_P=${MY_PN}-${PV}
+EGIT_REPO_URI="git://anongit.freedesktop.org/${MY_PN/-//}"
+
+if [[ ${PV} = 9999* ]]; then
+ GIT_ECLASS="git-r3"
+ EXPERIMENTAL="true"
+fi
+
+inherit base autotools toolchain-funcs ${GIT_ECLASS}
+
+DESCRIPTION="Mesa's OpenGL utility and demo programs (glxgears and glxinfo)"
+HOMEPAGE="http://mesa3d.sourceforge.net/"
+if [[ ${PV} == 9999* ]]; then
+ SRC_URI=""
+ KEYWORDS=""
+else
+ SRC_URI="ftp://ftp.freedesktop.org/pub/${MY_PN/-//}/${PV}/${MY_P}.tar.bz2"
+ KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sh ~sparc ~x86 ~x86-fbsd ~x86-freebsd ~amd64-linux ~ia64-linux ~x86-linux"
+fi
+
+LICENSE="LGPL-2"
+SLOT="0"
+IUSE="egl gles1 gles2"
+
+RDEPEND="
+ egl? ( media-libs/glew )
+ gles1? ( media-libs/glew )
+ gles2? ( media-libs/glew )
+ media-libs/mesa[egl?,gles1?,gles2?]
+ virtual/opengl
+ x11-libs/libX11"
+DEPEND="${RDEPEND}
+ virtual/glu
+ x11-proto/xproto"
+
+S=${WORKDIR}/${MY_P}
+EGIT_CHECKOUT_DIR=${S}
+
+src_unpack() {
+ default
+ [[ $PV = 9999* ]] && git-r3_src_unpack
+}
+
+src_prepare() {
+ base_src_prepare
+
+ eautoreconf
+}
+
+src_configure() {
+ # We're not using the complete buildsystem if we only want to build
+ # glxinfo and glxgears.
+ if use egl || use gles1 || use gles2; then
+ default_src_configure
+ fi
+}
+
+src_compile() {
+ if ! use egl && ! use gles1 && ! use gles2; then
+ tc-export CC
+ emake LDLIBS='-lX11 -lGL' src/xdemos/glxinfo
+ emake LDLIBS='-lX11 -lGL -lm' src/xdemos/glxgears
+ else
+ emake -C src/xdemos glxgears glxinfo
+ fi
+
+ if use egl; then
+ emake LDLIBS="-lEGL" -C src/egl/opengl/ eglinfo
+ emake -C src/egl/eglut/ libeglut_screen.la libeglut_x11.la
+ emake LDLIBS="-lGL -lEGL -lX11 -lm" -C src/egl/opengl/ eglgears_x11
+ emake LDLIBS="-lGL -lEGL -lm" -C src/egl/opengl/ eglgears_screen
+
+ if use gles1; then
+ emake LDLIBS="-lGLESv1_CM -lEGL -lX11" -C src/egl/opengles1/ es1_info
+ emake LDLIBS="-lGLESv1_CM -lEGL -lX11 -lm" -C src/egl/opengles1/ gears_x11
+ emake LDLIBS="-lGLESv1_CM -lEGL -lm" -C src/egl/opengles1/ gears_screen
+ fi
+ if use gles2; then
+ emake LDLIBS="-lGLESv2 -lEGL -lX11" -C src/egl/opengles2/ es2_info
+ emake LDLIBS="-lGLESv2 -lEGL -lX11 -lm" -C src/egl/opengles2/ es2gears_x11
+ emake LDLIBS="-lGLESv2 -lEGL -lm" -C src/egl/opengles2/ es2gears_screen
+ fi
+ fi
+}
+
+src_install() {
+ dobin src/xdemos/{glxgears,glxinfo}
+ if use egl; then
+ dobin src/egl/opengl/egl{info,gears_{screen,x11}}
+
+ if use gles1; then
+ dobin src/egl/opengles1/es1_info
+ newbin src/egl/opengles1/gears_screen es1gears_screen
+ newbin src/egl/opengles1/gears_x11 es1gears_x11
+ fi
+
+ use gles2 && dobin src/egl/opengles2/es2{_info,gears_{screen,x11}}
+ fi
+}