llvm-3.3 fails for ppc64

[barracuda156]

First of all, by default it asks for python27 to be built as universal, which fails: ​https://trac.macports.org/ticket/50821

After adding depends_skip_archcheck-append python27 it starts building, but eventually fails:

/opt/local/bin/ranlib: archive member: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build/Release/lib/libLLVMARMDesc.a(ARMAsmBackend.o) fat object file's offset in archive not a multiple of 8) (must be since member is a 64-bit object file)
ranlib /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build/Release/lib/libLLVMARMDesc.a
ranlib: archive member: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build/Release/lib/libLLVMARMDesc.a(ARMAsmBackend.o) fat object file's offset in archive not a multiple of 8) (must be since member is a 64-bit object file)
make[4]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build/lib/Target/ARM/MCTargetDesc'
make[3]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build/lib/Target/ARM'
make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build/lib/Target'
make[1]: *** [Target/.makeall] Error 2
make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build/lib'
make: *** [all] Error 1
make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build'
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/work/build" && /usr/bin/make -j4 -w all 
Exit code: 2
Error: Failed to build llvm-3.3: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.3/llvm-3.3/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.
Error: Processing of port llvm-3.3 failed