From 10e74e29485e9dea6482cba0e29fa0372db6fbc8 Mon Sep 17 00:00:00 2001
From: Victor Brekenfeld <github@drakulix.de>
Date: Thu, 22 Nov 2018 10:14:23 +0100
Subject: [PATCH] build: fix build without gl-features

---
 build.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/build.rs b/build.rs
index b119e11..9ae8ecb 100644
--- a/build.rs
+++ b/build.rs
@@ -1,8 +1,11 @@
+#[cfg(any(feature = "backend_egl", feature = "backend_gl"))]
 extern crate gl_generator;
 
+#[cfg(any(feature = "backend_egl", feature = "backend_gl"))]
 use gl_generator::{Api, Fallbacks, Profile, Registry};
 use std::{env, fs::File, path::PathBuf};
 
+#[cfg(any(feature = "backend_egl", feature = "backend_gl"))]
 fn main() {
     let dest = PathBuf::from(&env::var("OUT_DIR").unwrap());
 
@@ -46,3 +49,6 @@ fn main() {
         .unwrap();
     }
 }
+
+#[cfg(not(any(feature = "backend_egl", feature = "backend_gl")))]
+fn main() {}
\ No newline at end of file