Thanks for the help! I can't find any errors about missing files, but I'll attach the make output from using regular perl then using ActivePerl (sorry about all this text!)

Useless use of private variable in void context at Makefile.PL line 52
+4.
You are using a Perl configured with threading enabled.
Please read the warnings in DBI about this.
You should also be aware that on non-Windows platforms ODBC drivers co
+me
in two forms, thread-safe and non-thread-safe drivers and you may need
to make sure you are using the right one.

Press return to continue...
Overriding ODBC Directory with command line option: /var/root/perforce
+_install/ODBC/libiodbc_install_dir

>>>     Remember to actually *READ* the README file!
        And re-read it if you have any problems.


Overriding ODBC Directory with command line option: /var/root/perforce
+_install/ODBC/libiodbc_install_dir
Using ODBC in /var/root/perforce_install/ODBC/libiodbc_install_dir

Umm, this looks like a unixodbc type of driver manager.
We expect to find the sql.h, sqlext.h and (which were
supplied with unixODBC) in $ODBCHOME/include directory alongside
the /var/root/perforce_install/ODBC/libiodbc_install_dir/lib/libodbc.a
+ library in $ODBCHOME/lib

Warning: LD_LIBRARY_PATH doesn't include /var/root/perforce_install/OD
+BC/libiodbc_install_dir

Checking if your kit is complete...
Looks good
Using DBI 1.52 (for perl 5.008008 on darwin-thread-multi-2level) insta
+lled in /System/Library/Perl/Extras/5.8.8/darwin-thread-multi-2level/
+auto/DBI/
Using DBI 1.52 (for perl 5.008008 on darwin-thread-multi-2level) insta
+lled in /System/Library/Perl/Extras/5.8.8/darwin-thread-multi-2level/
+auto/DBI/
Writing Makefile for DBD::ODBC

The DBD::ODBC tests will use these values for the database connection:
    DBI_DSN=            e.g. dbi:ODBC:demo
    DBI_USER=
    DBI_PASS=
Warning: not all required environment variables are set.
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