[wifi] conditionally enable (#90)

Reviewed-on: #90
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

CMakeLists.txt

@@ -50,6 +50,7 @@ option(ENABLE_QT_UPDATE_CHECKER "Enable update checker for the Qt frontend" OFF)
 CMAKE_DEPENDENT_OPTION(YUZU_USE_BUNDLED_QT "Download bundled Qt binaries" "${MSVC}" "ENABLE_QT" OFF)
 
 option(ENABLE_WEB_SERVICE "Enable web services (telemetry, etc.)" ON)
+option(ENABLE_WIFI_SCAN "Enable WiFi scanning" OFF)
 
 if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
 	option(YUZU_USE_BUNDLED_FFMPEG "Download/Build bundled FFmpeg" OFF)

src/core/CMakeLists.txt

@@ -1150,8 +1150,9 @@ add_library(core STATIC
     tools/renderdoc.h
 )
 
-if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+if (ENABLE_WIFI_SCAN)
     # find_package(libiw REQUIRED)
+    target_compile_definitions(core PRIVATE -DENABLE_WIFI_SCAN)
     target_link_libraries(core PRIVATE iw)
 endif()
 

src/core/internal_network/wifi_scanner.cpp

@@ -19,7 +19,7 @@ using namespace std::chrono_literals;
 #endif
 
 namespace Network {
-
+#ifdef ENABLE_WIFI_SCAN
 #ifdef _WIN32
 static u8 QualityToPercent(DWORD q) {
     return static_cast<u8>(q);
@@ -173,16 +173,20 @@ static std::vector<Network::ScanData> ScanWifiLinux(std::chrono::milliseconds de
     return out;
 }
 #endif /* linux */
+#endif
 
 std::vector<Network::ScanData> ScanWifiNetworks(std::chrono::milliseconds deadline) {
-#ifdef _WIN32
+#ifdef ENABLE_WIFI_SCAN
+#if defined(_WIN32)
     return ScanWifiWin(deadline);
 #elif defined(__linux__) && !defined(ANDROID)
     return ScanWifiLinux(deadline);
 #else
-    std::this_thread::sleep_for(deadline);
     return {}; // unsupported host, pretend no results
 #endif
+#else
+    return {}; // disabled, pretend no results
+#endif
 }
 
 } // namespace Network