checking for correct ltmain.sh version... no *** Gentoo sanity check failed! *** *** libtool.m4 and ltmain.sh have a version mismatch! *** *** (libtool.m4 = 1.5.14, ltmain.sh = 1.5.10) *** Please run: libtoolize --copy --force if appropriate, please contact the maintainer of this package (or your distribution) for help. !!! Please attach the config.log to your bug report: !!! /var/tmp/portage/xmms-musepack-1.1.2/work/xmms-musepack-1.1.2/config.log !!! ERROR: media-plugins/xmms-musepack-1.1.2 failed. added "libtoolize --copy --force" in "src_compile()" after "./autogen.sh". This worked for me.
fixed in cvs, thanks for reporting.