From 07780c714e590a96577670c0dc3dfb1a23ad4ab5 Mon Sep 17 00:00:00 2001
From: 宋文武 <iyzsong@gmail.com>
Date: Sat, 21 Mar 2015 15:08:39 +0800
Subject: gnu: sdl: Explicitly use mesa as OpenGL driver.

* gnu/packages/sdl.scm (sdl)[arguments]<#:configure-flags>: Add
  'LDFLAGS=-lGL'.
---
 gnu/packages/sdl.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/sdl.scm b/gnu/packages/sdl.scm
index fd555f9068..9a3b3898d8 100644
--- a/gnu/packages/sdl.scm
+++ b/gnu/packages/sdl.scm
@@ -64,7 +64,11 @@
        ;; OpenGL library is still dlopened at runtime.
        #:configure-flags '("--disable-alsa-shared"
                            "--disable-pulseaudio-shared"
-                           "--disable-x11-shared")
+                           "--disable-x11-shared"
+                           ;; Explicitly link with mesa.
+                           ;; This add mesa to libsdl's RUNPATH, to make dlopen
+                           ;; finding the libGL from mesa at runtime.
+                           "LDFLAGS=-lGL")
 
        #:tests? #f)) ; no check target
     (propagated-inputs
-- 
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