4 files changed, 15 insertions, 3 deletions
diff --git a/externals/grill/py/config-pd-msvc.txt b/externals/grill/py/config-pd-msvc.txt
index ed8f1101..f7fe8316 100644
--- a/externals/grill/py/config-pd-msvc.txt
+++ b/externals/grill/py/config-pd-msvc.txt
@@ -9,7 +9,8 @@ PDPATH=c:\programme\audio\pd
 FLEXTPATH=$(PDPATH)\flext
 
 # where is MS VC++?
-MSVCPATH=C:\Programme\Microsoft Visual Studio .NET 2003\Vc7
+# (not necessary if the build is run with the compiler environment)
+# MSVCPATH=C:\Programme\Microsoft Visual Studio .NET 2003\Vc7
 
 # which version of Python?
 PYTHONVER=python23
diff --git a/externals/grill/py/source/main.cpp b/externals/grill/py/source/main.cpp
index 72396afb..dbcd27f9 100644
--- a/externals/grill/py/source/main.cpp
+++ b/externals/grill/py/source/main.cpp
@@ -25,7 +25,10 @@ V py::lib_setup()
 FLEXT_LIB_SETUP(py,py::lib_setup)
 
 PyInterpreterState *py::pystate = NULL;
+
+#ifdef FLEXT_THREADS
 std::map<flext::thrid_t,PyThreadState *> py::pythrmap;
+#endif
 
 I py::pyref = 0;
 PyObject *py::module_obj = NULL;
@@ -101,15 +104,20 @@ py::~py()
 		Py_XDECREF(module);
 
         PyEval_AcquireLock();
+
+#ifdef FLEXT_THREADS
 		PyThreadState_Swap(pythrmap[GetThreadId()]);
+#endif
 
 #ifdef FLEXT_DEBUG
         // need not necessarily do that....
 		Py_Finalize();
 #endif
 
+#ifdef FLEXT_THREADS
         // reset thread state map
         pythrmap.clear();
+#endif
 	}
     else {
     	Py_DECREF(module_obj);
diff --git a/externals/grill/py/source/main.h b/externals/grill/py/source/main.h
index 5188b7c3..cf000f9b 100644
--- a/externals/grill/py/source/main.h
+++ b/externals/grill/py/source/main.h
@@ -116,9 +116,9 @@ protected:
 
 public:
 	static PyInterpreterState *pystate;
-    static std::map<flext::thrid_t,PyThreadState *> pythrmap;
 
 #ifdef FLEXT_THREADS
+    static std::map<flext::thrid_t,PyThreadState *> pythrmap;
 	ThrMutex mutex;
 	V Lock() { mutex.Unlock(); }
 	V Unlock() { mutex.Unlock(); }
diff --git a/externals/grill/py/source/pyext.cpp b/externals/grill/py/source/pyext.cpp
index a8dc581e..b8763771 100644
--- a/externals/grill/py/source/pyext.cpp
+++ b/externals/grill/py/source/pyext.cpp
@@ -440,8 +440,9 @@ V pyext::work_wrapper(V *data)
         // -----------------------------
 
         // store new thread state
+#ifdef FLEXT_THREADS
         pythrmap[GetThreadId()] = newthr;
-
+#endif
         {
             // call worker
 		    work_data *w = (work_data *)data;
@@ -449,8 +450,10 @@ V pyext::work_wrapper(V *data)
 		    delete w;
         }
 
+#ifdef FLEXT_THREADS
         // delete mapped thread state
         pythrmap.erase(GetThreadId());
+#endif
 
         // --- delete Python thread ---
         // grab the lock