Checking if your kit is complete... Looks good Writing Makefile for Net::FPing cp FPing.pm blib/lib/Net/FPing.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 FPing.xs > FPing.xsc && mv FPing.xsc FPing.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=\"0.9\" -DXS_VERSION=\"0.9\" "-I/Users/cpanrun/build/5.10.0/lib/CORE" FPing.c FPing.xs: In function 'boot': FPing.xs:372: error: 'IPPROTO_ICMPV6' undeclared (first use in this function) FPing.xs:372: error: (Each undeclared identifier is reported only once FPing.xs:372: error: for each function it appears in.) FPing.xs: In function 'boot': FPing.xs:372: error: 'IPPROTO_ICMPV6' undeclared (first use in this function) FPing.xs:372: error: (Each undeclared identifier is reported only once FPing.xs:372: error: for each function it appears in.) FPing.xs: In function 'XS_Net__FPing__recv_icmp4': FPing.xs:553: error: 'MSG_DONTWAIT' undeclared (first use in this function) FPing.xs: In function 'XS_Net__FPing__recv_icmp4': FPing.xs:553: error: 'MSG_DONTWAIT' undeclared (first use in this function) FPing.xs:553: warning: passing argument 5 of 'recvfrom' from incompatible pointer type FPing.xs: In function 'XS_Net__FPing__recv_icmp6': FPing.xs:602: error: 'MSG_DONTWAIT' undeclared (first use in this function) FPing.xs:602: warning: passing argument 5 of 'recvfrom' from incompatible pointer type FPing.xs:553: warning: passing argument 5 of 'recvfrom' from incompatible pointer type FPing.xs: In function 'XS_Net__FPing__recv_icmp6': FPing.xs:602: error: 'MSG_DONTWAIT' undeclared (first use in this function) FPing.xs:602: warning: passing argument 5 of 'recvfrom' from incompatible pointer type lipo: can't open input file: /var/tmp//ccMuKA8t.out (No such file or directory) make: *** [FPing.o] Error 1