--- a/mex/Makefile
+++ b/mex/Makefile
@@ -30,7 +30,7 @@ GNUMEX64 = $(HOME)/bin/win64/gnumex
 MEX_OPTION    = -largeArrayDims # turn on for 64 bit Matlab, otherwise empty
 LIBS          = $(LDLIBS)
 LFLAGS        = 
-COPY          = cp
+COPY          = echo wanted to cp
 
 ifeq ($(LIBEXT),so)
   LIBS        += -L.. -lbiosig
--- a/Makefile
+++ b/Makefile
@@ -697,7 +697,7 @@ win64mma: win64/libbiosig.a  mma/sload.t
 #############################################################
 mex mex4m mex4o oct: libbiosig.a
 	$(MAKE) -C mex DEFINES='$(DEFINES)' CROSS=$(CROSS) CROSS64=$(CROSS64) LDLIBS="$(LDLIBS)" OCTAVE_VERSION=$(OCTAVE_VERSION) $@
-	-cp mex/*.mex* ../biosig/t200_FileAccess/
+	#-cp mex/*.mex* ../biosig/t200_FileAccess/
 
 mexw32: win32/libbiosig.a
 	$(MAKE) -C mex DEFINES='$(DEFINES)' CROSS=$(CROSS) CROSS64=$(CROSS64) LDLIBS="$(LDLIBS)" $(@F)
