From 6f2e758156faa6437eaeef2a5a54824eb73e3e5a Mon Sep 17 00:00:00 2001
From: Nam Nguyen <namn@berkeley.edu>
Date: Thu, 6 May 2021 10:00:40 +0000
Subject: [PATCH] Add -lGL and -lGLU to openjk_sp

Fixes https://github.com/JACoders/OpenJK/issues/1036

Unbreaks crash when toggling fullscreen in the singleplayer binary on
OpenBSD. openjk (multiplayer binary) uses -lGL and -lGLU but openjk_sp
did not.
---
 code/CMakeLists.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 2c9e7f509f..14c987d248 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -46,6 +46,14 @@ if(BuildSPEngine OR BuildJK2SPEngine)
 		"${GSLIncludeDirectory}")
 
 	#    Dependencies
+
+	if (NOT WIN32)
+		# OpenGL
+		find_package(OpenGL REQUIRED)
+		set(SPEngineIncludeDirectories ${SPEngineIncludeDirectories} ${OPENGL_INCLUDE_DIR})
+		set(SPEngineLibraries ${SPEngineLibraries} ${OPENGL_LIBRARIES})
+	endif()
+
 	# OpenAL (is optionally included for Windows)
 	if(MSVC AND NOT WIN64)
 		if(UseInternalOpenAL)