Checking if your kit is complete...
Looks good
Writing Makefile for Mail::Box::Parser::C
cp C.pm blib/lib/Mail/Box/Parser/C.pm
/Users/cpanrun/build/5.10.0/bin/perl /Users/cpanrun/build/5.10.0/lib/ExtUtils/xsubpp  -typemap /Users/cpanrun/build/5.10.0/lib/ExtUtils/typemap  C.xs > C.xsc && mv C.xsc C.c
gcc -c   -fno-common -DPERL_DARWIN -no-cpp-precomp -arch ppc -arch i386 -nostdinc -B/Developer/SDKs/MacOSX10.4u.sdk/usr/include/gcc -B/Developer/SDKs/MacOSX10.4u.sdk/usr/lib/gcc -isystem/Developer/SDKs/MacOSX10.4u.sdk/usr/include -F/Developer/SDKs/MacOSX10.4u.sdk/System/Library/Frameworks -mmacosx-version-min=10.3 -DPRIVLIB_LAST_IN_INC -fno-strict-aliasing -pipe -O3   -DVERSION=\"3.006\" -DXS_VERSION=\"3.006\"  "-I/Users/cpanrun/build/5.10.0/lib/CORE"   C.c
Running Mkbootstrap for Mail::Box::Parser::C ()
chmod 644 C.bs
rm -f blib/arch/auto/Mail/Box/Parser/C/C.bundle
env MACOSX_DEPLOYMENT_TARGET=10.3 cc  -bundle -undefined dynamic_lookup -Wl,-search_paths_first -arch ppc -arch i386 -Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.3 C.o  -o blib/arch/auto/Mail/Box/Parser/C/C.bundle 	\
     	\
  
chmod 755 blib/arch/auto/Mail/Box/Parser/C/C.bundle
cp C.bs blib/arch/auto/Mail/Box/Parser/C/C.bs
chmod 644 blib/arch/auto/Mail/Box/Parser/C/C.bs
Manifying blib/man3/Mail::Box::Parser::C.3
PERL_DL_NONLAZY=1 /Users/cpanrun/build/5.10.0/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
1..0 # Skip Skipping tests, because MailBox is not installed (yet)
# 
Files found in blib/arch: installing files in blib/lib into architecture dependent library tree
Installing /Users/cpanrun/build/5.10.0/site/lib/auto/Mail/Box/Parser/C/C.bs
Installing /Users/cpanrun/build/5.10.0/site/lib/auto/Mail/Box/Parser/C/C.bundle
Installing /Users/cpanrun/build/5.10.0/html/site/lib/Mail/Box/Parser/C.html
Installing /Users/cpanrun/build/5.10.0/site/lib/Mail/Box/Parser/C.pm
Installing /Users/cpanrun/build/5.10.0/site/man/man3/Mail::Box::Parser::C.3
Appending installation info to /Users/cpanrun/build/5.10.0/lib/perllocal.pod
make: *** [doc_update] Hangup