CMake: Add an ENABLE_NOGUI option

CMakeLists.txt

@@ -25,6 +25,7 @@ endif()
 
 option(USE_SHARED_ENET "Use shared libenet if found rather than Dolphin's soon-to-compatibly-diverge version" OFF)
 option(USE_UPNP "Enables UPnP port mapping support" ON)
+option(ENABLE_NOGUI "Enable NoGUI frontend" ON)
 option(ENABLE_QT "Enable Qt (Default)" ON)
 option(ENABLE_LTO "Enables Link Time Optimization" OFF)
 option(ENABLE_GENERIC "Enables generic build that should run on any little-endian host" OFF)
@@ -365,6 +366,10 @@ if(ANDROID)
   message(STATUS "Building for Android")
   if(NOT ENABLE_HEADLESS)
     add_definitions(-DANDROID)
+    if(ENABLE_NOGUI)
+      message(STATUS "Building Android app, disabling NoGUI frontend.")
+      set(ENABLE_NOGUI 0)
+    endif()
   else()
     # Lie to cmake a bit. We are cross compiling to Android
     # but not as a shared library. We want an executable.
@@ -385,7 +390,6 @@ if(ENABLE_HEADLESS)
   message(STATUS "Enabling Headless! Disabling GUI.")
   set(ENABLE_QT 0)
   set(USE_DISCORD_PRESENCE 0)
-  add_definitions(-DUSE_HEADLESS)
 endif()
 
 # Set file offset size to 64 bits.

Source/Core/CMakeLists.txt

@@ -2,12 +2,15 @@ add_subdirectory(AudioCommon)
 add_subdirectory(Common)
 add_subdirectory(Core)
 add_subdirectory(DiscIO)
-add_subdirectory(DolphinNoGUI)
 add_subdirectory(InputCommon)
 add_subdirectory(UICommon)
 add_subdirectory(VideoCommon)
 add_subdirectory(VideoBackends)
 
+if(ENABLE_NOGUI)
+  add_subdirectory(DolphinNoGUI)
+endif()
+
 if(ENABLE_QT)
   add_subdirectory(DolphinQt)
 endif()

Source/Core/DolphinNoGUI/CMakeLists.txt

@@ -1,7 +1,3 @@
-if(NOT((ENABLE_X11 AND X11_FOUND) OR ENABLE_HEADLESS))
-  return()
-endif()
-
 add_executable(dolphin-nogui
   Platform.cpp
   PlatformHeadless.cpp