Checking if your kit is complete... Looks good Writing Makefile for Language::SIOD cp lib/Language/SIOD.pm blib/lib/Language/SIOD.pm cp lib/Language/SIOD_in.pm blib/lib/Language/SIOD_in.pm 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=\"0.01\" -DXS_VERSION=\"0.01\" "-I/Users/cpanrun/build/5.10.0/lib/CORE" siod_wrap.c In file included from siod_wrap.c:1215: slib.c:176: error: 'SIOD_LIB_DEFAULT' undeclared here (not in a function) In file included from siod_wrap.c:1215: slib.c:176: error: 'SIOD_LIB_DEFAULT' undeclared here (not in a function) lipo: can't open input file: /var/tmp//ccgKwLj3.out (No such file or directory) make: *** [siod_wrap.o] Error 1