Propagated changes made in matiec/lib/accessor.h _SET_VAR macro (Mario's matiec changes merged at 39086e324665) to py_ext library, and other (not compiled in) XML standard FB definitions.
<xsd:attribute name="Command" type="xsd:string" use="optional" default="make -C %(buildpath)s all BEREMIZSRC=%(src)s BEREMIZCFLAGS=%(cflags)s MD5=%(md5)s USE_BEREMIZ=1 FROM_BEREMIZ=1"/>