Checking if your kit is complete...
Looks good
Writing Makefile for BTRIEVE::Native
cp Native.pm blib/lib/BTRIEVE/Native.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  Native.xs > Native.xsc && mv Native.xsc Native.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=\"0.03\" -DXS_VERSION=\"0.03\"  "-I/Users/cpanrun/build/5.10.0/lib/CORE"   Native.c
Native.xs:8: error: parse error before 'BTRCALL'
Native.xs:17: warning: data definition has no type or storage class
Native.xs:8: error: parse error before 'BTRCALL'
Native.xs:17: warning: data definition has no type or storage class
lipo: can't open input file: /var/tmp//cc4nuWXc.out (No such file or directory)
make: *** [Native.o] Error 1