From 13b02a14144a7b3822e4fac89caa6f7148637181 Mon Sep 17 00:00:00 2001
From: Brian Clinkenbeard <brianclinkenbeard@users.noreply.github.com>
Date: Mon, 17 Feb 2020 13:01:40 -0800
Subject: [PATCH] fix CMake build errors for certain SDL2 installations

---
 CMakeLists.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 44ed4196d5..467d769a2d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -157,8 +157,14 @@ if (ENABLE_SDL2)
         target_include_directories(SDL2 INTERFACE "${SDL2_INCLUDE_DIR}")
     else()
         find_package(SDL2 REQUIRED)
-        include_directories(${SDL2_INCLUDE_DIRS})
 
+        # Some installations don't set SDL2_LIBRARIES
+        if("${SDL2_LIBRARIES}" STREQUAL "")
+            message(WARNING "SDL2_LIBRARIES wasn't set, manually setting to SDL2::SDL2")
+            set(SDL2_LIBRARIES "SDL2::SDL2")
+        endif()
+
+        include_directories(${SDL2_INCLUDE_DIRS})
         add_library(SDL2 INTERFACE)
         target_link_libraries(SDL2 INTERFACE "${SDL2_LIBRARIES}")
     endif()