Notes for installing on FreeBSD
- remove line 28 from gl2ps.c in vvlib/external
(#include <malloc.h> is deprecated in *BSD)
- change -lqt to -lqt-mt in interpreter/
- remove -ldl in interpreter/
- explicitly request gmake in vvsystems/translator
(the makefile is created to work only with GNU Make)
- explicitly request bison 1.35 in translator
- explicitly request g++3.2.1 obj2vvm/
- explicitly request gmake in example/