Checking if your kit is complete...
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Writing Makefile for IO::SendFile
cp SendFile.pm blib/lib/IO/SendFile.pm
AutoSplitting blib/lib/IO/SendFile.pm (blib/lib/auto/IO/SendFile)
/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 -typemap typemap  SendFile.xs > SendFile.xsc && mv SendFile.xsc SendFile.c
Please specify prototyping behavior for SendFile.xs (see perlxs manual)
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=\"0.01\" -DXS_VERSION=\"0.01\"  "-I/Users/cpanrun/pristine/5.8.7/lib/5.8.7/darwin-thread-multi-2level/CORE"   SendFile.c
Running Mkbootstrap for IO::SendFile ()
chmod 644 SendFile.bs
rm -f blib/arch/auto/IO/SendFile/SendFile.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 SendFile.o  -o blib/arch/auto/IO/SendFile/SendFile.bundle      
chmod 755 blib/arch/auto/IO/SendFile/SendFile.bundle
cp SendFile.bs blib/arch/auto/IO/SendFile/SendFile.bs
chmod 644 blib/arch/auto/IO/SendFile/SendFile.bs
Manifying blib/man3/IO::SendFile.3
PERL_DL_NONLAZY=1 /Users/cpanrun/pristine/5.8.7/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
1..1
Can't load 'blib/arch/auto/IO/SendFile/SendFile.bundle' for module IO::SendFile: dlopen(blib/arch/auto/IO/SendFile/SendFile.bundle, 2): Symbol not found: _sendfile
  Referenced from: blib/arch/auto/IO/SendFile/SendFile.bundle
  Expected in: dynamic lookup
 at test.pl line 11
Compilation failed in require at test.pl line 11.
BEGIN failed--compilation aborted at test.pl line 11.
not ok 1
make: *** [test_dynamic] Error 2