When I try to compile pspp-0.6.0 with Mingw on the windows platform I get the errors:
fatal-signal.c: In function `init_fatal_signal_set': fatal-signal.c:245: warning: implicit declaration of function `sigemptyset'
fatal-signal.c:248: warning: implicit declaration of function `sigaddset' fatal-signal.c: In function `block_fatal_signals': fatal-signal.c:259: warning: implicit declaration of function `sigprocmask'
fatal-signal.c:259: error: `SIG_BLOCK' undeclared (first use in this function) fatal-signal.c:259: error: (Each undeclared identifier is reported only once fatal-signal.c:259: error: for each function it appears in.)
fatal-signal.c: In function `unblock_fatal_signals': fatal-signal.c:267: error: `SIG_UNBLOCK' undeclared (first use in this function) make[3]: *** [fatal-signal.lo] Error 1 make[3]: Leaving directory `g:/pspp-0.6.0/gl'