Let it build with png-1.5 (from naddy@, who surely went blind on it).
While here, patch away some weird attempts to get something meaningful
out of code like this (yes, I show it to you all, you have to share
the pain):
if ( timezone==0 )
fprintf( pi->out, "Z)\n" );
else
fprintf( pi->out, "%+02d')\n", (int) timezone/3600 ); /* doesn't handle half-hour zones */
That's the address of timezone(3), divided by 3600 m(
ok naddy@