Can't compile Samba-4.0.0 on FreeBSD 9.1R/8.3R

[Samba-JP oota]

When I compile Samba-4.0.0 on FreeBSD 9.1R/8.3R , error happen like this.

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% ./configure;make

WAF_MAKE=1 python ./buildtools/bin/waf distclean
'distclean' finished successfully (23.549s)
Checking for program gcc or cc           : /usr/bin/gcc
Checking for program cpp                 : /usr/bin/cpp
Checking for program ar                  : /usr/bin/ar
Checking for program ranlib              : /usr/bin/ranlib
Checking for gcc                         : ok
Checking for program git                 : not found
Check for -MD                            : yes
Checking for program gdb                 : /usr/bin/gdb
Checking build system                    : FreeBSD freebsd9x 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec  4 09:23:10 UTC 2012     root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64

....(snip)....

[3785/3867] Generating man/nmblookup4.1
Note: Writing nmblookup4.1
[3786/3867] Generating manpages/smb.conf.5
I/O error : Attempt to load network entity http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
warning: failed to load external entity "http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
compilation error: file /home/ribbon/samba4/samba-4.0.0/docs-xml/xslt/man.xsl line 7 element import
xsl:import : unable to load http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
Waf: Leaving directory `/home/ribbon/samba4/samba-4.0.0/bin'
Build failed:  -> task failed (err #5):
        {task: manpages/smb.conf.5 smb.conf.5.xml -> smb.conf.5}
*** [all] Error code 1
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ofcourse, manually access to  http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
is no probrem.

I guess this error caused from xsltproc command. But, xsltproc is up-to-date .
(libxslt-1.1.26_3    The XSLT C library for GNOME)

Does anyone know the reason?

oota