In file included from perl-core.c:31:perl-common.h:32: error: parse error before '->' tokenperl-core.c:40:1: warning: "PL_perl_destruct_level" redefinedIn file included from /System/Library/Perl/5.8.6/darwin-thread-multi-2level/CORE/XSUB.h:320, from perl-core.c:35:/System/Library/Perl/5.8.6/darwin-thread-multi-2level/CORE/perlapi.h:476:1: warning: this is the location of the previous definitionmake[3]: *** [perl-core.lo] Error 1make[2]: *** [all-recursive] Error 1make[1]: *** [all-recursive] Error 1make: *** [all] Error 2