Reenable macOS .app export from Windows, add warnings about Unix permissions.

platform/macos/export/export_plugin.cpp

@@ -357,17 +357,13 @@ List<String> EditorExportPlatformMacOS::get_binary_extensions(const Ref<EditorEx
 			list.push_back("dmg");
 #endif
 			list.push_back("zip");
-#ifndef WINDOWS_ENABLED
 			list.push_back("app");
-#endif
 		} else if (dist_type == 1) {
 #ifdef MACOS_ENABLED
 			list.push_back("dmg");
 #endif
 			list.push_back("zip");
-#ifndef WINDOWS_ENABLED
 			list.push_back("app");
-#endif
 		} else if (dist_type == 2) {
 #ifdef MACOS_ENABLED
 			list.push_back("pkg");
@@ -1903,6 +1899,11 @@ Error EditorExportPlatformMacOS::export_project(const Ref<EditorExportPreset> &p
 					if (is_executable(file)) {
 						// chmod with 0755 if the file is executable.
 						FileAccess::set_unix_permissions(file, 0755);
+#ifndef UNIX_ENABLED
+						if (export_format == "app") {
+							add_message(EXPORT_MESSAGE_INFO, TTR("Export"), vformat(TTR("Unable to set Unix permissions for executable \"%s\". Use \"chmod +x\" to set it after transferring the exported .app to macOS or Linux."), "Contents/MacOS/" + file.get_file()));
+						}
+#endif
 					}
 				} else {
 					add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), vformat(TTR("Could not open \"%s\"."), file));
@@ -1928,6 +1929,11 @@ Error EditorExportPlatformMacOS::export_project(const Ref<EditorExportPreset> &p
 		if ((con_scr == 1 && p_debug) || (con_scr == 2)) {
 			err = _export_debug_script(p_preset, pkg_name, tmp_app_path_name.get_file() + "/Contents/MacOS/" + pkg_name, scr_path);
 			FileAccess::set_unix_permissions(scr_path, 0755);
+#ifndef UNIX_ENABLED
+			if (export_format == "app") {
+				add_message(EXPORT_MESSAGE_INFO, TTR("Export"), vformat(TTR("Unable to set Unix permissions for executable \"%s\". Use \"chmod +x\" to set it after transferring the exported .app to macOS or Linux."), scr_path.get_file()));
+			}
+#endif
 			if (err != OK) {
 				add_message(EXPORT_MESSAGE_ERROR, TTR("Export"), TTR("Could not create console wrapper."));
 			}
@@ -2156,6 +2162,11 @@ Error EditorExportPlatformMacOS::export_project(const Ref<EditorExportPreset> &p
 					_code_sign(p_preset, tmp_app_path_name + "/Contents/Helpers/" + hlp_path.get_file(), hlp_ent_path, false, true);
 				}
 				FileAccess::set_unix_permissions(tmp_app_path_name + "/Contents/Helpers/" + hlp_path.get_file(), 0755);
+#ifndef UNIX_ENABLED
+				if (export_format == "app") {
+					add_message(EXPORT_MESSAGE_INFO, TTR("Export"), vformat(TTR("Unable to set Unix permissions for executable \"%s\". Use \"chmod +x\" to set it after transferring the exported .app to macOS or Linux."), "Contents/Helpers/" + hlp_path.get_file()));
+				}
+#endif
 			}
 		}