iverilog 0.9.2 fails to build on 10.6

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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.