libepoxy: new recipe (#1353)

media-libs/libepoxy/patches/libepoxy-1.4.2.patchset

@@ -0,0 +1,25 @@
+From 86645565b801312f09c44d25dc76e2536c284e01 Mon Sep 17 00:00:00 2001
+From: "Joseph C, Hill" <calvin@hakobaito.co.uk>
+Date: Sat, 20 May 2017 13:02:08 +0100
+Subject: [PATCH] disable glx for Haiku
+
+---
+ meson.build | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/meson.build b/meson.build
+index 5435f45..77b9d06 100644
+--- a/meson.build
++++ b/meson.build
+@@ -42,6 +42,8 @@ if enable_glx == 'auto'
+     build_glx = false
+   elif host_system == 'android'
+     build_glx = false
++  elif host_system == 'haiku'
++    build_glx = false
+   else
+     build_glx = true
+   endif
+-- 
+2.12.2
+