From 66a28acaa471fd1c3c57cf2e99527a0765b4e2ee Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <anonymous.maarten@gmail.com>
Date: Thu, 26 Oct 2017 01:47:29 +0200
Subject: [PATCH] cmake: make SDL2 an imported target

---
 cmake/modules/FindSDL2.cmake | 12 ++++++++++++
 rwgame/CMakeLists.txt        |  3 +--
 tests/CMakeLists.txt         |  3 +--
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/cmake/modules/FindSDL2.cmake b/cmake/modules/FindSDL2.cmake
index 163abf46..97e8a9c3 100644
--- a/cmake/modules/FindSDL2.cmake
+++ b/cmake/modules/FindSDL2.cmake
@@ -194,3 +194,15 @@ IF(SDL2_STATIC)
     SET(SDL2_LIBRARY ${SDL2_LINK_FLAGS})
   ENDIF()
 ENDIF(SDL2_STATIC)
+
+if(SDL2_FOUND)
+  set(SDL2_EXTRA_LIBS "${SDL2_LIBRARY_TEMP}")
+  list(REMOVE_ITEM SDL2_EXTRA_LIBS "${SDL2_LIBRARY_PATH}")
+  add_library(SDL2::SDL2 UNKNOWN IMPORTED)
+  set_target_properties(SDL2::SDL2 PROPERTIES
+    IMPORTED_LINK_INTERFACE_LANGUAGES "C;CXX"
+    IMPORTED_LINK_DEPENDENT_LIBRARIES "${SDL2_EXTRA_LIBS}"
+    IMPORTED_LOCATION "${SDL2_LIBRARY_PATH}"
+    INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
+    )
+endif()
diff --git a/rwgame/CMakeLists.txt b/rwgame/CMakeLists.txt
index 8e0bf3e3..cdfed6ee 100644
--- a/rwgame/CMakeLists.txt
+++ b/rwgame/CMakeLists.txt
@@ -50,7 +50,6 @@ target_include_directories(rwgame
     PRIVATE
         ${BULLET_INCLUDE_DIR}
         ${OPENAL_INCLUDE_DIR}
-        ${SDL2_INCLUDE_DIR}
     )
 
 target_include_directories(rwgame
@@ -64,7 +63,7 @@ target_link_libraries(rwgame
         ${Boost_LIBRARIES}
         ${OPENGL_LIBRARIES}
         ${BULLET_LIBRARIES}
-        ${SDL2_LIBRARY}
+        SDL2::SDL2
     )
 
 install(TARGETS rwgame RUNTIME DESTINATION "${BIN_DIR}")
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 97b89a25..bc2499c4 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -60,7 +60,6 @@ target_include_directories(run_tests
     SYSTEM
     PRIVATE
         ${BULLET_INCLUDE_DIR}
-        ${SDL2_INCLUDE_DIR}
     )
 
 target_include_directories(run_tests
@@ -74,7 +73,7 @@ target_link_libraries(run_tests
         rwengine
         ${OPENGL_LIBRARIES}
         ${BULLET_LIBRARIES}
-        ${SDL2_LIBRARY}
+        SDL2::SDL2
         ${PNG_LIBRARIES}
         ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY}
     )