jshon won't build

[amadeus24]

Last linnes of main.log:

:debug:configure Privilege de-escalation not attempted as not running as root.
:debug:build build phase started at Tue Nov 20 20:47:01 CET 2012
:notice:build --->  Building jshon
:debug:build Executing org.macports.build (jshon)
:debug:build 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_textproc_jshon/jshon/work/.CC_PRINT_OPTIONS' LIBRARY_PATH='/opt/local/lib' CC_PRINT_OPTIONS='YES' MACOSX_DEPLOYMENT_TARGET='10.8'
:debug:build Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_jshon/jshon/work/jshon-20120801" && /usr/bin/make -j4 -w all CC="/usr/bin/clang -arch x86_64 -I/opt/local/include -L/opt/local/lib"'
:debug:build Executing command line:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_jshon/jshon/work/jshon-20120801" && /usr/bin/make -j4 -w all CC="/usr/bin/clang -arch x86_64 -I/opt/local/include -L/opt/local/lib" 
:info:build make: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_jshon/jshon/work/jshon-20120801'
:info:build /usr/bin/clang -arch x86_64 -I/opt/local/include -L/opt/local/lib -c -std=c99 -Wall -pedantic -Wextra -Werror jshon.c
:info:build clang: error: argument unused during compilation: '-L/opt/local/lib'
:info:build make: *** [jshon.o] Error 1
:info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_jshon/jshon/work/jshon-20120801'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_jshon/jshon/work/jshon-20120801" && /usr/bin/make -j4 -w all CC="/usr/bin/clang -arch x86_64 -I/opt/local/include -L/opt/local/lib" 
:info:build Exit code: 2
:error:build org.macports.build for port jshon returned: command execution failed
:debug:build Error code: CHILDSTATUS 40920 2
:debug:build 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"
:info:build Warning: targets not executed for jshon: org.macports.activate org.macports.build org.macports.destroot org.macports.install