Problem building libksba

[Victor Escobar]

Hi all,
  I'm trying to build libksba in order to build gnupg, and here's the
output.

make  all-recursive
Making all in gl
cp ./alloca_.h alloca.h-t
mv alloca.h-t alloca.h
make  all-am
/bin/sh ../libtool --tag=CC --mode=link gcc  -g -O2 -Wall -Wcast-align
-Wshadow -Wstrict-prototypes -Wno-pointer-sign   -o libgnu.la
mkdir .libs 
ar cru .libs/libgnu.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 ...]
make[3]: *** [libgnu.la] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Please advise.