From ff9a12232643e9b29317e65eb64ab8e2f0974b70 Mon Sep 17 00:00:00 2001
From: voidanix <51296985+voidanix@users.noreply.github.com>
Date: Thu, 20 Apr 2023 21:15:34 +0200
Subject: [PATCH] cmake: Require OpenGL for clients only

When building the server only, CMake would yell that OpenGL is required
even if totally unnecessary: move the OpenGL requirement inside
BUILD_CLIENT where it should belong.
---
 src/CMakeLists.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 27f13a14..a107c3d5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -65,18 +65,18 @@ set(BUILD_GENKEY ON CACHE STRING "Build genkey")
 # this allows for easier cross-compiling with MinGW, as we can use the precompiled libraries
 find_package(ZLIB REQUIRED)
 
+# OpenGL may be imported with pkg-config on Unix, but that doesn't work on macOS
+set(OpenGL_GL_PREFERENCE LEGACY)
+
 # for SDL2* we need to ship custom configs
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 if(BUILD_CLIENT)
     find_package(SDL2 REQUIRED)
     find_package(SDL2_image REQUIRED)
     find_package(SDL2_mixer REQUIRED)
+    find_package(OpenGL REQUIRED)
 endif()
 
-# OpenGL may be imported with pkg-config on Unix, but that doesn't work on macOS
-set(OpenGL_GL_PREFERENCE LEGACY)
-find_package(OpenGL REQUIRED)
-
 # import enet
 # note that we have to include this before setting CMAKE_EXECUTABLE_SUFFIX
 # otherwise, enet's platform tests fail with cryptic error messages