Generic PLATFORM_LIBRARIES var

This both reduces redundancy in add_executable definitions, and makes it easier to link additional libraries. In particular, extra libraries are needed on OSX - see next commit.

CMakeLists.txt

@@ -108,8 +108,14 @@ endif()
 IF (APPLE)
     # CoreFoundation is required only on OSX
     FIND_LIBRARY(COREFOUNDATION_LIBRARY CoreFoundation)
+    SET(PLATFORM_LIBRARIES iconv ${COREFOUNDATION_LIBRARY})
+    
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
+ELSEIF(WIN32)
+    set(PLATFORM_LIBRARIES winmm)
+ELSE()
+    set(PLATFORM_LIBRARIES rt)
 ENDIF (APPLE)
 
 option(ENABLE_QT "Enable the Qt frontend" ON)

src/citra/CMakeLists.txt

@@ -16,20 +16,10 @@ create_directory_groups(${SRCS} ${HEADERS})
 add_executable(citra ${SRCS} ${HEADERS})
 target_link_libraries(citra core common video_core)
 target_link_libraries(citra ${GLFW_LIBRARIES} ${OPENGL_gl_LIBRARY} inih)
+target_link_libraries(citra ${PLATFORM_LIBRARIES})
 
 if (UNIX)
     target_link_libraries(citra -pthread)
 endif()
 
-if (APPLE)
-    target_link_libraries(citra iconv ${COREFOUNDATION_LIBRARY})
-elseif (WIN32)
-    target_link_libraries(citra winmm wsock32 ws2_32)
-    if (MINGW) # GCC does not support codecvt, so use iconv instead
-        target_link_libraries(citra iconv)
-    endif()
-else() # Unix
-    target_link_libraries(citra rt)
-endif()
-
 #install(TARGETS citra RUNTIME DESTINATION ${bindir})

src/citra_qt/CMakeLists.txt

@@ -60,17 +60,10 @@ endif()
 add_executable(citra-qt ${SRCS} ${HEADERS} ${UI_HDRS})
 target_link_libraries(citra-qt core common video_core qhexedit)
 target_link_libraries(citra-qt ${OPENGL_gl_LIBRARY} ${CITRA_QT_LIBS})
+target_link_libraries(citra-qt ${PLATFORM_LIBRARIES})
 
 if (UNIX)
     target_link_libraries(citra-qt -pthread)
 endif()
 
-if (APPLE)
-    target_link_libraries(citra-qt iconv ${COREFOUNDATION_LIBRARY})
-elseif (WIN32)
-    target_link_libraries(citra-qt winmm wsock32 ws2_32)
-else() # Unix
-    target_link_libraries(citra-qt rt)
-endif()
-
 #install(TARGETS citra-qt RUNTIME DESTINATION ${bindir})