Problems emerging guile-1.6.4-r1

[Oblomov]

Compilation stops with the following error message:

[....]
creating guile
cat alist.doc arbiters.doc async.doc backtrace.doc boolean.doc chars.doc continu
ations.doc debug.doc dynl.doc dynwind.doc environments.doc eq.doc error.doc eval
.doc evalext.doc extensions.doc feature.doc fluids.doc fports.doc gc.doc goops.d
oc gsubr.doc guardians.doc hash.doc hashtab.doc hooks.doc init.doc ioext.doc ise
lect.doc keywords.doc lang.doc list.doc load.doc macros.doc mallocs.doc modules.
doc numbers.doc objects.doc objprop.doc options.doc pairs.doc ports.doc print.do
c procprop.doc procs.doc properties.doc random.doc rdelim.doc read.doc root.doc
rw.doc scmsigs.doc script.doc simpos.doc smob.doc sort.doc srcprop.doc stackchk.
doc stacks.doc stime.doc strings.doc strop.doc strorder.doc strports.doc struct.
doc symbols.doc throw.doc values.doc variable.doc vectors.doc version.doc vports
.doc weaks.doc symbols-deprecated.doc ramap.doc unif.doc filesys.doc posix.doc n
et_db.doc socket.doc regex-posix.doc | GUILE="/var/tmp/portage/guile-1.6.4-r1/wo
rk/guile-1.6.4/pre-inst-guile" ../scripts/snarf-check-and-output-texi --manual >
guile.texi || { rm guile.texi; false; }
cat: write error: Broken pipe
make[2]: *** [guile.texi] Error 1
make[2]: Leaving directory `/var/tmp/portage/guile-1.6.4-r1/work/guile-1.6.4/lib
guile'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/guile-1.6.4-r1/work/guile-1.6.4'
make: *** [all] Error 2


Any suggestion?
Bye,
Riccardo