ports: add mesa-demos

patches/mesa-demos/jinx-working-patch.patch

@@ -0,0 +1,13 @@
+diff --git mesa-demos-clean/meson.build mesa-demos-workdir/meson.build
+index c1853f9..1edc2d9 100644
+--- mesa-demos-clean/meson.build
++++ mesa-demos-workdir/meson.build
+@@ -99,7 +99,7 @@ if not dep_glu.found() and host_machine.system() != 'darwin'
+ endif
+ 
+ dep_glx = dependency('glx', required: false, disabler : true)
+-if not dep_glx.found() and host_machine.system() == 'darwin'
++if not dep_glx.found() and (host_machine.system() == 'darwin' or host_machine.system() == 'astral')
+   # xquartz doesn't have a glx.pc, but it does have the header. And all the
+   # symbols reside in libGL, so let's just use that.
+   if cc.check_header('GL/glx.h', dependencies: dep_x11)

recipes/mesa-demos

@@ -0,0 +1,16 @@
+name=mesa-demos
+revision=1
+from_source=mesa-demos
+imagedeps="gcc meson ninja"
+hostdeps="xgcc xbinutils pkgconfig libtool"
+deps="mlibc mesa freetype libx11 libxext glu"
+
+build() {
+	meson setup --cross-file ${base_dir}/util/crossfile --prefix=${prefix} --buildtype=release ${source_dir} -Dx11=enabled -Dwith-system-data-files=true
+
+	ninja -j${parallelism}
+}
+
+package() {
+	DESTDIR=${dest_dir} ninja install
+}

source-recipes/mesa-demos

@@ -0,0 +1,8 @@
+name=mesa-demos
+version=9.0.0
+source_method=tarball
+tarball_url="https://archive.mesa3d.org/demos/mesa-demos-${version}.tar.xz"
+tarball_sha512="af33ef72a521416e39d93370b2b4ccb768f08084c9e4c0aa62868210d9465c858e5cb8e5d23952295a3073946f609eb8723ee60b39dd9fb6696c4e45aafbb2c1"
+regenerate() {
+	true
+}