Problème d'installation sur MAC (Bug #70)

Le port p5.12-net-cups ne s'installe pas. Impossible d'aller plus loin dans l'installation de AMC.
Pourtant tout est à jour : Mountain Lion, xcode, macports

--->  Building p5.12-net-cups
DEBUG: Executing org.macports.build (p5.12-net-cups)
DEBUG: Environment: CPATH='/opt/local/include' CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_perl_p5-net-cups/p5.12-net-cups/work/.CC_PRINT_OPTIONS' LIBRARY_PATH='/opt/local/lib' CC_PRINT_OPTIONS='YES' MACOSX_DEPLOYMENT_TARGET='10.8'
DEBUG: Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_perl_p5-net-cups/p5.12-net-cups/work/Net-CUPS-0.61" && /usr/bin/make -j4 -w all'
DEBUG: Executing command line:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_perl_p5-net-cups/p5.12-net-cups/work/Net-CUPS-0.61" && /usr/bin/make -j4 -w all 
make: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_perl_p5-net-cups/p5.12-net-cups/work/Net-CUPS-0.61'
/opt/local/bin/perl5.12 /opt/local/lib/perl5/5.12.4/ExtUtils/xsubpp  -typemap /opt/local/lib/perl5/5.12.4/ExtUtils/typemap -typemap typemap  CUPS.xs > CUPS.xsc && mv CUPS.xsc CUPS.c
Running Mkbootstrap for Net::CUPS ()
chmod 644 CUPS.bs
cp CUPS.bs blib/arch/auto/Net/CUPS/CUPS.bs
chmod 644 blib/arch/auto/Net/CUPS/CUPS.bs
cp lib/Net/CUPS.pm blib/lib/Net/CUPS.pm
AutoSplitting blib/lib/Net/CUPS.pm (blib/lib/auto/Net/CUPS)
cp lib/Net/CUPS/Destination.pm blib/lib/Net/CUPS/Destination.pm
AutoSplitting blib/lib/Net/CUPS/Destination.pm (blib/lib/auto/Net/CUPS/Destination)
cp lib/Net/CUPS/IPP.pm blib/lib/Net/CUPS/IPP.pm
AutoSplitting blib/lib/Net/CUPS/IPP.pm (blib/lib/auto/Net/CUPS/IPP)
cp lib/Net/CUPS/PPD.pm blib/lib/Net/CUPS/PPD.pm
AutoSplitting blib/lib/Net/CUPS/PPD.pm (blib/lib/auto/Net/CUPS/PPD)
/usr/bin/clang -c   -pipe -O2 -fno-common -DPERL_DARWIN -I/opt/local/include -no-cpp-precomp -fno-strict-aliasing -fstack-protector -I/opt/local/include -arch x86_64 -O3   -DVERSION=\"0.61\" -DXS_VERSION=\"0.61\"  "-I/opt/local/lib/perl5/5.12.4/darwin-thread-multi-2level/CORE"   CUPS.c
CUPS.xs:10:10: fatal error: 'cups/image.h' file not found
#include <cups/image.h>
         ^
1 error generated.
make: *** [CUPS.o] Error 1
make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_perl_p5-net-cups/p5.12-net-cups/work/Net-CUPS-0.61'
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_perl_p5-net-cups/p5.12-net-cups/work/Net-CUPS-0.61" && /usr/bin/make -j4 -w all 
Exit code: 2
Error: org.macports.build for port p5.12-net-cups returned: command execution failed
DEBUG: Error code: CHILDSTATUS 36546 2
DEBUG: Backtrace: command execution failed
    while executing
"system -nice 0 $fullcmdstring" 
    ("eval" body line 1)
    invoked from within
"eval system $notty $nice \$fullcmdstring" 
    invoked from within
"command_exec build" 
    (procedure "portbuild::build_main" line 8)
    invoked from within
"$procedure $targetname" 
Warning: targets not executed for p5.12-net-cups: org.macports.activate org.macports.build org.macports.destroot org.macports.install
Please see the log file for port p5.12-net-cups for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_perl_p5-net-cups/p5.12-net-cups/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port p5.12-net-cups failed