Fastfetch: disable dlsym function call if dlopen is disabled

src/detection/brightness/brightness_linux.c

@@ -109,14 +109,19 @@ static const char* detectWithDdcci(FFBrightnessOptions* options, FFlist* result)
     FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libddcutil, ddca_free_any_vcp_value)
     FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libddcutil, ddca_close_display)
 
+    #ifndef FF_DISABLE_DLOPEN
     __typeof__(&ddca_init) ffddca_init = dlsym(libddcutil, "ddca_init");
     if (ffddca_init)
+    #else
+    __typeof__(&ddca_init) ffddca_init = ddca_init;
+    #endif
     {
         FF_SUPPRESS_IO();
         // Ref: https://github.com/rockowitz/ddcutil/issues/344
         if (ffddca_init(NULL, -1 /*DDCA_SYSLOG_NOT_SET*/, 1 /*DDCA_INIT_OPTIONS_DISABLE_CONFIG_FILE*/) < 0)
             return "ddca_init() failed";
     }
+    #ifndef FF_DISABLE_DLOPEN
     else
     {
         __typeof__(&ddca_set_default_sleep_multiplier) ffddca_set_default_sleep_multiplier = dlsym(libddcutil, "ddca_set_default_sleep_multiplier");
@@ -125,6 +130,7 @@ static const char* detectWithDdcci(FFBrightnessOptions* options, FFlist* result)
 
         libddcutil = NULL; // Don't dlclose libddcutil. See https://github.com/rockowitz/ddcutil/issues/330
     }
+    #endif
 
     FF_AUTO_FREE DDCA_Display_Info_List* infoList = NULL;
     if (ffddca_get_display_info_list2(false, &infoList) < 0)

src/detection/gpu/gpu_wsl.cpp

@@ -31,8 +31,13 @@ const char* ffGPUDetectByDirectX(FF_MAYBE_UNUSED const FFGPUOptions* options, FF
     FF_LIBRARY_LOAD(libdxcore, nullptr, "dlopen libdxcore.so failed. Make sure WSLg is enabled", "/usr/lib/wsl/lib/libdxcore" FF_LIBRARY_EXTENSION, 4)
     // DXCoreCreateAdapterFactory is a reloaded function, so we can't use FF_LIBRARY_LOAD_SYMBOL_MESSAGE here
     typedef HRESULT (*DXCoreCreateAdapterFactory_t)(REFIID riid, void** ppvFactory);
+
+#ifndef FF_DISABLE_DLOPEN
     auto ffDXCoreCreateAdapterFactory = (DXCoreCreateAdapterFactory_t) dlsym(libdxcore, "DXCoreCreateAdapterFactory");
     if(ffDXCoreCreateAdapterFactory == nullptr) return "dlsym DXCoreCreateAdapterFactory failed";
+#else
+    auto ffDXCoreCreateAdapterFactory = (DXCoreCreateAdapterFactory_t) DXCoreCreateAdapterFactory;
+#endif
 
     IDXCoreAdapterFactory *factory = nullptr;