diff -ur c/Makefile checkbot/Makefile
--- c/Makefile	Wed Jul 30 10:22:11 2003
+++ checkbot/Makefile	Wed Jul 30 10:28:08 2003
@@ -14,8 +14,7 @@
 MAINTAINER=	wosch@FreeBSD.org
 COMMENT=	A WWW link verifier, similar like momspider
 
-RUN_DEPENDS=	\
-		${SITE_PERL}/LWP.pm:${PORTSDIR}/www/p5-libwww \
+RUN_DEPENDS=	${SITE_PERL}/LWP.pm:${PORTSDIR}/www/p5-libwww \
  		${SITE_PERL}/URI.pm:${PORTSDIR}/net/p5-URI \
 		${SITE_PERL}/${PERL_ARCH}/HTML/Parser.pm:${PORTSDIR}/www/p5-HTML-Parser \
 		${SITE_PERL}/Net/FTP.pm:${PORTSDIR}/net/p5-Net \
@@ -23,9 +22,14 @@
 		${SITE_PERL}/${PERL_ARCH}/MIME/Base64.pm:${PORTSDIR}/converters/p5-MIME-Base64 \
 		${SITE_PERL}/${PERL_ARCH}/Digest/MD5.pm:${PORTSDIR}/security/p5-Digest-MD5
 
+.include <bsd.port.pre.mk>
+
+.if ${OSVERSION} >= 500000
 MAN1PREFIX=	${PREFIX}/share
+.endif
+
 MAN1=		checkbot.1
 USE_PERL5=	YES
 PERL_CONFIGURE=	yes
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>
Only in checkbot/: work