Fix cmake for OpenRCT2-UI on macOS

CMakeLists.txt

@@ -4,6 +4,7 @@ if (CMAKE_BINARY_DIR STREQUAL CMAKE_SOURCE_DIR)
     message(FATAL_ERROR "Building in-source is not supported! Create a build dir and remove ${CMAKE_SOURCE_DIR}/CMakeCache.txt")
 endif()
 set(ROOT_DIR "${CMAKE_CURRENT_LIST_DIR}")
+set(CMAKE_MACOSX_RPATH 1)
 
 set(TITLE_SEQUENCE_URL  "https://github.com/OpenRCT2/title-sequences/releases/download/v0.0.5/title-sequence-v0.0.5.zip")
 set(TITLE_SEQUENCE_SHA1 "79ffb2585d12abcbfce205d7696e3472a504b005")

src/openrct2-ui/CMakeLists.txt

@@ -12,6 +12,7 @@ include(FindPkgConfig)
 
 # Third party libraries
 PKG_CHECK_MODULES(SDL2 REQUIRED sdl2)
+PKG_CHECK_MODULES(SPEEX REQUIRED speexdsp)
 if (NOT DISABLE_OPENGL)
     # GL doesn't work nicely with macOS, while find_package doesn't work with multiarch on Ubuntu.
     if (APPLE)
@@ -43,7 +44,12 @@ add_executable(${PROJECT} ${OPENRCT2_UI_SOURCES} ${OPENRCT2_UI_M_SOURCES} ${OPEN
 
 target_link_libraries(${PROJECT} "libopenrct2"
                                  ${SDL2_LIBRARIES}
-                                 ${SDL2_TTF_LIBRARIES})
+                                 ${SDL2_TTF_LIBRARIES}
+                                 ${SPEEX_LIBRARIES})
+
+if (APPLE)
+	target_link_libraries(${PROJECT} "-framework Cocoa")
+endif ()
 
 if (NOT DISABLE_OPENGL)
     if (WIN32)
@@ -57,7 +63,8 @@ endif ()
 
 # Includes
 target_include_directories(${PROJECT} PRIVATE "${CMAKE_CURRENT_LIST_DIR}/.."
-                                              ${SDL2_INCLUDE_DIRS})
+                                              ${SDL2_INCLUDE_DIRS}
+                                              ${SPEEX_INCLUDE_DIRS})
 
 # Compiler flags
 if (FORCE32)