Checking if your kit is complete...
Warning: prerequisite Net::Netmask 1.9013 not found at /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/MakeMaker.pm line 343.
Looks good
MakeMaker (v5.45)
Warning (non-fatal): Target 'dynamic' depends on targets in skipped section 'dynamic_lib'
Warning (non-fatal): Target 'static' depends on targets in skipped section 'static_lib'
Writing Makefile for lib::cidr-compare
Writing Makefile for Net::CIDR::Compare
cp lib/Net/CIDR/Compare.pm blib/lib/Net/CIDR/Compare.pm
AutoSplitting blib/lib/Net/CIDR/Compare.pm (blib/lib/auto/Net/CIDR/Compare)
make[1]: Entering directory `/home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Net-CIDR-Compare/cidr-compare'
gcc -c  -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DVERSION=\"0.10\" -DXS_VERSION=\"0.10\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE  cidr-compare.c
cidr-compare.c: In function `dump_intersection':
cidr-compare.c:246: parse error before `*'
cidr-compare.c:248: `current' undeclared (first use in this function)
cidr-compare.c:248: (Each undeclared identifier is reported only once
cidr-compare.c:248: for each function it appears in.)
cidr-compare.c:249: `next' undeclared (first use in this function)
cidr-compare.c:265: parse error before `*'
cidr-compare.c:286: `next_left_ilists_start' undeclared (first use in this function)
cidr-compare.c:287: `next_right_ilists_start' undeclared (first use in this function)
cidr-compare.c:290: `prev_left_ilists' undeclared (first use in this function)
cidr-compare.c:291: `prev_right_ilists' undeclared (first use in this function)
cidr-compare.c:299: parse error before `*'
cidr-compare.c: In function `delete_list':
cidr-compare.c:677: parse error before `*'
cidr-compare.c:680: `a' undeclared (first use in this function)
make[1]: *** [cidr-compare.o] Error 1
make[1]: Leaving directory `/home/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Net-CIDR-Compare/cidr-compare'
make: *** [subdirs] Error 2