feat: establish reproducible FreeCAD web compatibility baseline

native/planegcs/stubs/Base/Console.h

@@ -0,0 +1,40 @@
+#ifndef WEB_FREECAD_BASE_CONSOLE_H
+#define WEB_FREECAD_BASE_CONSOLE_H
+
+#include <chrono>
+
+namespace Base
+{
+class TimeElapsed: public std::chrono::time_point<std::chrono::steady_clock>
+{
+public:
+    TimeElapsed()
+        : std::chrono::time_point<std::chrono::steady_clock>(std::chrono::steady_clock::now())
+    {}
+
+    static float diffTimeF(const TimeElapsed& start, const TimeElapsed& end = TimeElapsed())
+    {
+        return std::chrono::duration<float>(end - start).count();
+    }
+};
+
+class ConsoleSingleton
+{
+public:
+    template<typename... Args>
+    void log(const char*, Args&&...)
+    {}
+
+    template<typename... Args>
+    void warning(const char*, Args&&...)
+    {}
+};
+
+inline ConsoleSingleton& Console()
+{
+    static ConsoleSingleton console;
+    return console;
+}
+}  // namespace Base
+
+#endif

native/planegcs/stubs/FCConfig.h

@@ -0,0 +1,3 @@
+#ifndef WEB_FREECAD_FCCONFIG_H
+#define WEB_FREECAD_FCCONFIG_H
+#endif

native/planegcs/stubs/FCGlobal.h

@@ -0,0 +1,6 @@
+#ifndef WEB_FREECAD_FCGLOBAL_H
+#define WEB_FREECAD_FCGLOBAL_H
+#define FREECAD_DECL_EXPORT
+#define FREECAD_DECL_IMPORT
+#define BaseExport
+#endif