iverilog 0.9.2 +universal fails to build on 10.6

[pgbackup@…]

Kanchenjunga:~ pgupta$ sudo port -d install iverilog
DEBUG: Found port in file:///opt/local/var/macports/sources/rsync.macports.org/release/ports/science/iverilog
DEBUG: Changing to port directory: /opt/local/var/macports/sources/rsync.macports.org/release/ports/science/iverilog
DEBUG: OS Platform: darwin
DEBUG: OS Version: 10.2.0
DEBUG: Mac OS X Version: 10.6
DEBUG: System Arch: i386
DEBUG: setting option os.universal_supported to yes
DEBUG: org.macports.load registered provides 'load', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.unload registered provides 'unload', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.distfiles registered provides 'distfiles', a pre-existing procedure. Target override will not be provided
DEBUG: Reading variant descriptions from /opt/local/var/macports/sources/rsync.macports.org/release/ports/_resources/port1.0/variant_descriptions.conf
DEBUG: adding the default universal variant
DEBUG: Requested variant darwin is not provided by port iverilog.
DEBUG: Requested variant i386 is not provided by port iverilog.
DEBUG: Requested variant macosx is not provided by port iverilog.
DEBUG: Executing variant universal provides universal
--->  Computing dependencies for iverilog
DEBUG: Executing org.macports.main (iverilog)
DEBUG: Skipping completed org.macports.fetch (iverilog)
DEBUG: Skipping completed org.macports.checksum (iverilog)
DEBUG: Skipping completed org.macports.extract (iverilog)
DEBUG: Skipping completed org.macports.patch (iverilog)
DEBUG: Skipping completed org.macports.configure (iverilog)
--->  Building iverilog
DEBUG: Executing org.macports.build (iverilog)
DEBUG: Environment: MACOSX_DEPLOYMENT_TARGET='10.6'
DEBUG: Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_iverilog/work/verilog-0.9.2" && /usr/bin/make -j4 all'
/usr/bin/g++-4.2 -DHAVE_CONFIG_H -I. -I. -no-cpp-precomp -I/opt/local/include -Wall -O2 -arch x86_64 -arch i386 -MD -c main.cc -o main.o
/usr/bin/g++-4.2 -DHAVE_CONFIG_H -I. -I. -no-cpp-precomp -I/opt/local/include -Wall -O2 -arch x86_64 -arch i386 -MD -c async.cc -o async.o
g++-4.2: -E, -S, -save-temps and -M options are not allowed with multiple -arch flags
g++-4.2: -E, -S, -save-temps and -M options are not allowed with multiple -arch flags
make: *** [async.o] Error 1
make: *** Waiting for unfinished jobs....
make: *** [main.o] Error 1
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_iverilog/work/verilog-0.9.2" && /usr/bin/make -j4 all " returned error 2
DEBUG: Backtrace: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_iverilog/work/verilog-0.9.2" && /usr/bin/make -j4 all " returned error 2
    while executing
"command_exec build"
    (procedure "portbuild::build_main" line 9)
    invoked from within
"$procedure $targetname"
Warning: the following items did not execute (for iverilog): org.macports.activate org.macports.build org.macports.destroot org.macports.install
Error: Status 1 encountered during processing.

[ryandesign (Ryan Carsten Schmidt)]

I disabled the universal variant in r73506.