See: ldd /usr/lib64/postfix/3.0.1/libpostfix-util.so linux-vdso.so.1 (0x00007fff445b2000) libpcre.so.1 => /lib64/libpcre.so.1 (0x00007fa795258000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fa79503c000) libdb-4.8.so => /usr/lib64/libdb-4.8.so (0x00007fa794cad000) libicuuc.so.54 => /usr/lib64/libicuuc.so.54 (0x00007fa7948f8000) libc.so.6 => /lib64/libc.so.6 (0x00007fa79454c000) /lib64/ld-linux-x86-64.so.2 (0x00007fa795711000) libicudata.so.54 => /usr/lib64/libicudata.so.54 (0x00007fa792b21000) libdl.so.2 => /lib64/libdl.so.2 (0x00007fa79291d000) libstdc++.so.6 => /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/libstdc++.so.6 (0x00007fa7925ef000) libm.so.6 => /lib64/libm.so.6 (0x00007fa7922ea000) libgcc_s.so.1 => /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/libgcc_s.so.1 (0x00007fa7920d3000)
It currently depends on eai? ( dev-libs/icu ) but we need to add a subslot operator :=
Fixed in the tree. Thanks for the report.