From 2ddceee3339441e93f8f71109a34f9c9291227cb Mon Sep 17 00:00:00 2001
From: q66 <daniel@octaforge.org>
Date: Thu, 2 Jan 2020 04:35:28 +0100
Subject: [PATCH] widelands: fix build

---
 srcpkgs/widelands/patches/libgl.patch | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 srcpkgs/widelands/patches/libgl.patch

diff --git a/srcpkgs/widelands/patches/libgl.patch b/srcpkgs/widelands/patches/libgl.patch
new file mode 100644
index 00000000000..1fb25d8fd47
--- /dev/null
+++ b/srcpkgs/widelands/patches/libgl.patch
@@ -0,0 +1,13 @@
+This fixes linker errors with glvnd.
+
+--- CMakeLists.txt
++++ CMakeLists.txt
+@@ -181,7 +181,7 @@ endif(OPTION_ASAN)
+ 
+ # This is set to avoid linker errors when using GLVND-libs on Linux
+ if("${OpenGL_GL_PREFERENCE}" STREQUAL "GLVND")
+-   set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lGL")
++   link_libraries("GL")
+    add_compile_definitions(WL_USE_GLVND)
+    message(STATUS "Adding linker flags for GLVND.")
+ endif()