I get the following error when I attempt to build freetds on mac os x 
pkgsrc

Can anybody help me decode this?

/bin/sh ../../libtool --mode=link gcc  -O2 -I/usr/pkg/include  -liconv 
-L/usr/pkg/lib -L/usr/lib -o libreplacements.la
ar cru .libs/libreplacements.a
ar: no archive members specified
usage:  ar -d [-TLsv] archive file ...
         ar -m [-TLsv] archive file ...
         ar -m [-abiTLsv] position archive file ...
         ar -p [-TLsv] archive [file ...]
         ar -q [-cTLsv] archive file ...
         ar -r [-cuTLsv] archive file ...
         ar -r [-abciuTLsv] position archive file ...
         ar -t [-TLsv] archive [file ...]
         ar -x [-ouTLsv] archive [file ...]
gnumake[2]: *** [libreplacements.la] Error 1
gnumake[1]: *** [all-recursive] Error 1
gnumake: *** [all-recursive] Error 1
*** Error code 2

Stop.
bmake: stopped in /usr/pkgsrc/databases/freetds
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/databases/freetds