supertux/mk/emscripten/SDL_ttf.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f4e6f41..2dff726 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,20 +3,28 @@
 cmake_minimum_required(VERSION 3.0)
 project(SDL2_TTF C)
 
-find_path(SDL_INCLUDE_DIR SDL2/SDL.h)
-find_library(SDL_LIBRARY NAMES SDL2d SDL2)
-find_package(Freetype REQUIRED)
+if(NOT EMSCRIPTEN)
+    find_path(SDL_INCLUDE_DIR SDL2/SDL.h)
+    find_library(SDL_LIBRARY NAMES SDL2d SDL2)
+    find_package(Freetype REQUIRED)
+endif(NOT EMSCRIPTEN)
 
 add_library(SDL2_ttf SDL_ttf.c version.rc)
 
 set_target_properties(SDL2_ttf PROPERTIES DEFINE_SYMBOL SDL2_EXPORTS)
-target_include_directories(SDL2_ttf PRIVATE ${SDL_INCLUDE_DIR}/SDL2 ${FREETYPE_INCLUDE_DIR_ft2build})
+if(NOT EMSCRIPTEN)
+    target_include_directories(SDL2_ttf PRIVATE ${SDL_INCLUDE_DIR}/SDL2 ${FREETYPE_INCLUDE_DIR_ft2build})
+endif(NOT EMSCRIPTEN)
 if(WITH_RAQM)
     add_definitions(-DHAVE_RAQM=1)
     target_include_directories(SDL2_ttf PRIVATE ${RAQM_INCLUDE_DIR})
     target_link_libraries(SDL2_ttf PUBLIC ${RAQM_LIBRARIES})
 endif()
-target_link_libraries(SDL2_ttf PRIVATE ${SDL_LIBRARY} ${FREETYPE_LIBRARY})
+if(EMSCRIPTEN)
+    target_link_libraries(SDL2_ttf PUBLIC ${SDL2_LIBRARIES} ${FREETYPE_LIBRARY})
+else(EMSCRIPTEN)
+    target_link_libraries(SDL2_ttf PRIVATE ${SDL_LIBRARY} ${FREETYPE_LIBRARY})
+endif(EMSCRIPTEN)
 
 install(TARGETS SDL2_ttf
     RUNTIME DESTINATION bin