From pkg-descr:

This module adds suspend and resume operations for threads.

Suspensions are cumulative, and need to be matched by an equal number of resume
calls.


WWW:	http://search.cpan.org/dist/Thread-Suspend/

Fix: 

FYI: "make test" completed succesful on this platform with perl interpreter threads enabled
How-To-Repeat: 
# This is a shell archive.  Save it in a file, remove anything before
# this line, and then unpack it by entering "sh file".  Note, it may
# create directories; files and directories will be owned by you and
# have default permissions.
#
# This archive contains:
#
#	p5-Thread-Suspend
#	p5-Thread-Suspend/Makefile
#	p5-Thread-Suspend/distinfo
#	p5-Thread-Suspend/pkg-descr
#	p5-Thread-Suspend/pkg-plist
#
echo c - p5-Thread-Suspend
mkdir -p p5-Thread-Suspend > /dev/null 2>&1
echo x - p5-Thread-Suspend/Makefile
sed 's/^X//' >p5-Thread-Suspend/Makefile << 'END-of-p5-Thread-Suspend/Makefile'
X# New ports collection makefile for:	p5-Thread-Suspend
X# Date created:		2007-03-18
X# Whom:			Ruben van Staveren
X#
X# $FreeBSD$
X#
X
XPORTNAME=	Thread-Suspend
XPORTVERSION=	1.09
XCATEGORIES=	devel perl5
XMASTER_SITES=	${MASTER_SITE_PERL_CPAN}
XMASTER_SITE_SUBDIR=	Thread
XPKGNAMEPREFIX=	p5-
X
XMAINTAINER=	ruben@verweg.com
XCOMMENT=	Suspend and resume operations for threads
X
XRUN_DEPENDS=	p5-threads>=1.39:${PORTSDIR}/devel/p5-threads \
X				p5-threads-shared>=1.01:${PORTSDIR}/devel/p5-threads-shared
XBUILD_DEPENDS=	${RUN_DEPENDS}
X
XPERL_CONFIGURE=	yes
X
XMAN3=	Thread::Suspend.3
X
X.include <bsd.port.pre.mk>
X
X.if ${PERL_LEVEL} < 500800
XIGNORE=	requires perl 5.8.0 or later. Install lang/perl5.8 then try again
X.endif
X
X.include <bsd.port.post.mk>
END-of-p5-Thread-Suspend/Makefile
echo x - p5-Thread-Suspend/distinfo
sed 's/^X//' >p5-Thread-Suspend/distinfo << 'END-of-p5-Thread-Suspend/distinfo'
XMD5 (Thread-Suspend-1.09.tar.gz) = 899114221997cbfcccf58911c6f18a97
XSHA256 (Thread-Suspend-1.09.tar.gz) = 3a3db53e043a5d3ea6c19a649c4afd476f424ee43eacb088db9fb4c7a3d8ad65
XSIZE (Thread-Suspend-1.09.tar.gz) = 6810
END-of-p5-Thread-Suspend/distinfo
echo x - p5-Thread-Suspend/pkg-descr
sed 's/^X//' >p5-Thread-Suspend/pkg-descr << 'END-of-p5-Thread-Suspend/pkg-descr'
XThis module adds suspend and resume operations for threads.
X
XSuspensions are cumulative, and need to be matched by an equal number of resume
Xcalls.
X
X
XWWW:	http://search.cpan.org/dist/Thread-Suspend/
END-of-p5-Thread-Suspend/pkg-descr
echo x - p5-Thread-Suspend/pkg-plist
sed 's/^X//' >p5-Thread-Suspend/pkg-plist << 'END-of-p5-Thread-Suspend/pkg-plist'
X@comment $FreeBSD$
X%%SITE_PERL%%/Thread/Suspend.pm
X%%SITE_PERL%%/%%PERL_ARCH%%/auto/Thread/Suspend/.packlist
X@dirrmtry %%SITE_PERL%%/Thread/Suspend
X@dirrmtry %%SITE_PERL%%/Thread
X@dirrmtry %%SITE_PERL%%/%%PERL_ARCH%%/auto/Thread/Suspend
X@dirrmtry %%SITE_PERL%%/%%PERL_ARCH%%/auto/Thread
END-of-p5-Thread-Suspend/pkg-plist
exit