After installing RedHat Enterprise 5 Linux, gnubg would no longer
install (from RPM). I decided to download the latest source and
compile it, but got an error out of dice.c:
dice.c: In function RNGSystemSeed:
dice.c:789: error: storage size of tz isn't known
Not knowing how to fix it, I turned to google and found this page:
http://www.nabble.com/autoconf-problem-t3481321.html
<<< begin quote >>>
> There was a problem in dice.c
> dice.c: In function .RNGSystemSeed.:
> dice.c:789: error: storage size of .tz. isn.t known
> if( !f ) {
> #if HAVE_GETTIMEOFDAY
> struct timeval tv;
> struct timezone tz;
> if( !gettimeofday( &tv, &tz ) )
> n = tv.tv_sec ^ tv.tv_usec;
> else
> #endif
No modern Unix system does anything with the second argument to
gettimeofday any more. You can almost certainly just delete the tz
variable and change &tz to NULL in the call.
<<< end quote >>>
I made this change to dice.c and everything built fine.
Because tz is not used by the procedure, I recommend this change
to the source so that others won't have to stumble upon the fix.
Thanks for the excellent gnubg product.
-- Wayne.
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