参考这里的教程进行编译：

unix > gcc -fpic -c gd_wrap.c \
   -Dbool=char \
   -I/usr/lib/perl5/i586-linux/5.004/CORE

但却有这些错误：

In file included from /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/op.h:499,
                 from /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/perl.h:2754,
                 from gd_wrap.c:731:
/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/reentr.h:612: error: field ‘_crypt_struct’ has incomplete type
In file included from /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/perl.h:3950,
                 from gd_wrap.c:731:
/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/proto.h:297: error: expected declaration specifiers or ‘...’ before ‘off64_t’
/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/proto.h:299: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘Perl_do_sysseek’
/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/proto.h:300: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘Perl_do_tell’
/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/proto.h:2009: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before Perl_PerlIO_tell’
/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/proto.h:2010: error: expected declaration specifiers or ‘...’ before ‘off64_t’

该如何解决？

其他信息：

[root@ SWIG]# cat /etc/issue
CentOS release 5.5 (Final)
Kernel \r on an \m

[root@ SWIG]# perl -v

This is perl, v5.8.8 built for x86_64-linux-thread-multi

Copyright 1987-2006, Larry Wall

Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.

Complete documentation for Perl, including FAQ lists, should be found on
this system using "man perl" or "perldoc perl".  If you have access to the
Internet, point your browser at http://www.perl.org/, the Perl Home Page.

[root@ SWIG]#