Checking if your kit is complete... Looks good Writing Makefile for POSIX::Regex cp Regex.pm blib/lib/POSIX/Regex.pm AutoSplitting blib/lib/POSIX/Regex.pm (blib/lib/auto/POSIX/Regex) /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 Regex.xs > Regex.xsc && mv Regex.xsc Regex.c Please specify prototyping behavior for Regex.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=\"0.89\" -DXS_VERSION=\"0.89\" "-I/Users/cpanrun/pristine/5.8.7/lib/5.8.7/darwin-thread-multi-2level/CORE" Regex.c Regex.xs: In function 'XS_POSIX__Regex_regcomp': Regex.xs:39: error: 'REG_NOERROR' undeclared (first use in this function) Regex.xs:39: error: (Each undeclared identifier is reported only once Regex.xs:39: error: for each function it appears in.) Regex.xs: In function 'XS_POSIX__Regex_regcomp': Regex.xs:39: error: 'REG_NOERROR' undeclared (first use in this function) Regex.xs:39: error: (Each undeclared identifier is reported only once Regex.xs:39: error: for each function it appears in.) lipo: can't open input file: /var/tmp//cc6UHhlx.out (No such file or directory) make: *** [Regex.o] Error 1