!!! ERROR: media-libs/libdts-0.0.2-r5 failed. Call stack: ebuild.sh, line 1546: Called dyn_unpack ebuild.sh, line 708: Called src_unpack libdts-0.0.2-r5.ebuild, line 28: Called eautoreconf autotools.eclass, line 79: Called eaclocal autotools.eclass, line 116: Called autotools_run_tool 'aclocal' '-I' 'm4' autotools.eclass, line 212: Called die !!! Failed Running aclocal ! I needed to manually emerge automake-1.7 to get this compiled. automake-1.7 should be a buildtime-dependancy for this package.
Fixed by forcing latest versions of autotools.