***** aclocal *****
***** PWD: /var/tmp/portage/net-libs/gnutls-2.12.23-r6/work/gnutls-2.12.23
***** aclocal -I m4 -I gl/m4 -I lib/gl/m4 -I libextra/gl/m4 -I lib/m4 -I libextra/m4

aclocal-1.13: error: aclocal: file 'lib/m4/libtool.m4' does not exist