trouble with llvm30 on mavericks

[Puneet Kishor]

I tried to `sudo port upgrade outdated` and got

--->  Fetching archive for llvm-3.0
--->  Attempting to fetch llvm-3.0-3.0_12.darwin_13.x86_64.tbz2 from http://packages.macports.org/llvm-3.0
--->  Attempting to fetch llvm-3.0-3.0_12.darwin_13.x86_64.tbz2 from http://lil.fr.packages.macports.org/llvm-3.0
--->  Attempting to fetch llvm-3.0-3.0_12.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/llvm-3.0
--->  Computing dependencies for llvm-3.0
--->  Fetching distfiles for llvm-3.0
Error: llvm-3.0 is not supported on Mavericks or later.
Error: org.macports.fetch for port llvm-3.0 returned: unsupported platform
Please see the log file for port llvm-3.0 for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.0/llvm-3.0/main.log
Error: Unable to upgrade port: 1


I tried to uninstall llvm-30 but got

--->  Unable to uninstall llvm-3.0 @3.0_12, the following ports depend on it:
--->  	ld64 @136_1+llvm30
--->  	cctools @839_0+llvm30
--->  	ld64 @136_2+llvm30
--->  	cctools @839_2+llvm30
Error: org.macports.uninstall for port llvm-3.0 returned: Please uninstall the ports that depend on llvm-3.0 first.
Please see the log file for port llvm-3.0 for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_registry_portfiles_llvm-3.0_3.0_12/llvm-3.0/main.log
Warning: Failed to execute portfile from registry for llvm-3.0 @3.0_12
--->  Unable to uninstall llvm-3.0 @3.0_12, the following ports depend on it:
--->  	ld64 @136_1+llvm30
--->  	cctools @839_0+llvm30
--->  	ld64 @136_2+llvm30
--->  	cctools @839_2+llvm30
Error: port uninstall failed: Please uninstall the ports that depend on llvm-3.0 first.


Before I start uninstalling stuff willy-nilly, I seek your advice on the best step forward.

Puneet.