Bump minimum macos version to 10.15

Fixes compilation

CMakeModules/AppleConfiguration.cmake

@@ -9,7 +9,7 @@ find_library(MEDIAPLAYER MediaPlayer)
 set(OS_LIBS ${FOUNDATION} ${APPKIT} ${IOKIT} ${COCOA} ${SECURITY} ${CARBON} hidremote plistparser letsmove)
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework MediaPlayer")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mmacosx-version-min=10.9 -fno-omit-frame-pointer")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mmacosx-version-min=10.15 -fno-omit-frame-pointer")
 set(WARNINGS "-Wall")
 
 set(HAVE_UPDATER 1)

CMakeModules/CompilerFlags.cmake

@@ -14,7 +14,7 @@ endif()
 
 enable_if_supported(COMPILER_FLAGS "-Wshorten-64-to-32")
 enable_if_supported(COMPILER_FLAGS "-fno-omit-frame-pointer")
-enable_if_supported(COMPILER_FLAGS "-mmacosx-version-min=10.9")
+enable_if_supported(COMPILER_FLAGS "-mmacosx-version-min=10.15")
 enable_if_supported(COMPILER_FLAGS "/Oy-")
 enable_if_supported(COMPILER_FLAGS "-fvisibility-inlines-hidden")
 

bundle/osx/Info.plist.in

@@ -37,7 +37,7 @@
 	<key>NSRequiresAquaSystemAppearance</key>
 	<string>False</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.9</string>
+	<string>10.15</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>
 	<true/>
 </dict>