Checking if your kit is complete...
Looks good
Writing Makefile for IO::Socket::Multicast
cp Multicast.pm blib/lib/IO/Socket/Multicast.pm
/Users/cpanrun/pristine/5.8.7/bin/perl /Users/cpanrun/pristine/5.8.7/lib/5.8.7/ExtUtils/xsubpp  -typemap /Users/cpanrun/pristine/5.8.7/lib/5.8.7/ExtUtils/typemap  Multicast.xs > Multicast.xsc && mv Multicast.xsc Multicast.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 -DUSE_SITECUSTOMIZE -DNO_HASH_SEED -fno-strict-aliasing -pipe -O3   -DVERSION=\"1.05\" -DXS_VERSION=\"1.05\"  "-I/Users/cpanrun/pristine/5.8.7/lib/5.8.7/darwin-thread-multi-2level/CORE"   Multicast.c
Multicast.xs: In function 'XS_IO__Socket__Multicast_mcast_loopback':
Multicast.xs:226: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness
Multicast.xs: In function 'XS_IO__Socket__Multicast_mcast_ttl':
Multicast.xs:252: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness
Multicast.xs: In function 'XS_IO__Socket__Multicast_mcast_loopback':
Multicast.xs:226: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness
Multicast.xs: In function 'XS_IO__Socket__Multicast_mcast_ttl':
Multicast.xs:252: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness
Multicast.xs: In function 'XS_IO__Socket__Multicast__mcast_if':
Multicast.xs:294: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness
Multicast.xs: In function 'XS_IO__Socket__Multicast__mcast_if':
Multicast.xs:294: warning: pointer targets in passing argument 5 of 'getsockopt' differ in signedness
Running Mkbootstrap for IO::Socket::Multicast ()
chmod 644 Multicast.bs
rm -f blib/arch/auto/IO/Socket/Multicast/Multicast.bundle
LD_RUN_PATH="" env MACOSX_DEPLOYMENT_TARGET=10.3 cc  -bundle -undefined dynamic_lookup -arch ppc -arch i386 -Wl,-search_paths_first -Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.3 Multicast.o  -o blib/arch/auto/IO/Socket/Multicast/Multicast.bundle      
chmod 755 blib/arch/auto/IO/Socket/Multicast/Multicast.bundle
cp Multicast.bs blib/arch/auto/IO/Socket/Multicast/Multicast.bs
chmod 644 blib/arch/auto/IO/Socket/Multicast/Multicast.bs
Manifying blib/man3/IO::Socket::Multicast.3
PERL_DL_NONLAZY=1 /Users/cpanrun/pristine/5.8.7/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
1..14
ok 1
ok 2
ok 3
ok 4
ok 5
ok 6
ok 7
ok 8
ok 9
ok 10
ok 11
ok 12
ok 13
ok 14
Installing /Users/cpanrun/pristine/5.8.7/lib/site_perl/5.8.7/darwin-thread-multi-2level/auto/IO/Socket/Multicast/Multicast.bundle
Files found in blib/arch: installing files in blib/lib into architecture dependent library tree
Installing /Users/cpanrun/pristine/5.8.7/lib/site_perl/5.8.7/darwin-thread-multi-2level/IO/Socket/Multicast.pm
Installing /Users/cpanrun/pristine/5.8.7/man/man3/IO::Socket::Multicast.3
Appending installation info to /Users/cpanrun/pristine/5.8.7/lib/5.8.7/darwin-thread-multi-2level/perllocal.pod
/bin/sh -c true