[Groff] CVS fails on Mac OSX (10.3.9)

[Robert Goulding]

The latest changes in CVS lead to the following errors when compiling 
on a Mac:

g++ -I. -I. -I/Users/Robert/groff/src/include 
-I/Users/Robert/groff/src/include -DHAVE_CONFIG_H -g -O2  -c  color.cpp
In file included from color.cpp:30:
/usr/include/unistd.h:183: error: declaration of `int getopt(int, char* 
const*,
   const char*)' throws different exceptions
/Users/Robert/groff/src/include/groff-getopt.h:53: error: than previous
   declaration `int getopt(int, char* const*, const char*) throw ()'
make[2]: *** [color.o] Error 1
make[1]: *** [src/libs/libgroff] Error 2
make: *** [all] Error 2

Robert.