Hello: After copying all the perl stuff from the cd to the correct directory and running make to compile DBI, I get the following output. Can I simply uncomment in the perl.h file the lines that are 'not found'? Here is a snip below of output to console...lot's more.. Thanks for any help. -John Guillory cc -c -g -pipe -pipe -fno-common -DHAS_TELLDIR_PROTOTYPE -fno-strict-aliasing -O3 -DVERSION=\"1.20\" -DXS_VERSION=\"1.20\" -I/System/Library/Perl/darwin/CORE -DDBI_NO_THREADS Perl.c /System/Library/Perl/darwin/CORE/perl.h:424: header file 'sys/types.h' not found /System/Library/Perl/darwin/CORE/perl.h:455: header file 'ctype.h' not found /System/Library/Perl/darwin/CORE/perl.h:463: header file 'locale.h' not found /System/Library/Perl/darwin/CORE/perl.h:480: header file 'setjmp.h' not found /System/Library/Perl/darwin/CORE/perl.h:486: header file 'sys/param.h' not found /System/Library/Perl/darwin/CORE/perl.h:492: header file 'stdlib.h' not found /System/Library/Perl/darwin/CORE/perl.h:506: header file 'stddef.h' not found