[PerlThreads]# perlcc -o sh2 sh2.pl
In file included from /usr/lib/perl/5.8/CORE/perl.h:3950,
                 from pccE2dTY.c:2:
/usr/lib/perl/5.8/CORE/proto.h:31: warning: `warn_unused_result' attribute directive ignored
... lots of warnings...
/usr/lib/perl/5.8/CORE/proto.h:2291: warning: `warn_unused_result' attribute directive ignored
/usr/lib/perl/5.8/CORE/proto.h:2294: warning: `warn_unused_result' attribute directive ignored
pccE2dTY.c: In function `perl_init_aaaa':
pccE2dTY.c:3687: warning: this decimal constant is unsigned only in ISO C90
/usr/bin/ld: cannot find -lperl
collect2: ld returned 1 exit status
[PerlThreads]#