ld64 @136_2 Build error under Mavericks

[panayotis@…]

I am trying to use some packages depending on ld64, but it seems to have some issues.

# port clean ld64
--->  Cleaning ld64
root@temp2:/opt/local/var/macports/sources/rsync.macports.org/release/tarballs# port install ld64
--->  Computing dependencies for ld64
--->  Fetching archive for ld64
--->  Attempting to fetch ld64-136_2+llvm33.darwin_13.x86_64.tbz2 from http://lil.fr.packages.macports.org/ld64
--->  Attempting to fetch ld64-136_2+llvm33.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/ld64
--->  Attempting to fetch ld64-136_2+llvm33.darwin_13.x86_64.tbz2 from http://packages.macports.org/ld64
--->  Fetching distfiles for ld64
--->  Verifying checksums for ld64
--->  Extracting ld64
--->  Applying patches to ld64
--->  Configuring ld64
--->  Building ld64
Error: org.macports.build for port ld64 returned: command execution failed
Please see the log file for port ld64 for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_ld64/ld64/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port ld64 failed

[mattbrocklehurst@…]

Missing include file

312	:info:build #include <unordered_set>

Think this is something to do with switching compilers on Mavericks from Gcc to lvmm