Searching my install I cant find db2.pm... should ppm have installed this?
Yes, it should have. What does the log say?

Note (probably harmless): No library found for db2cli.lib
Note (probably harmless): No library found for db2api.lib
DB2.h:11:20: sqlcli.h: No such file or directory
DB2.h:13:21: sqlcli1.h: No such file or directory
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Those are critical errors, it means you haven't installed DB2 Application Development Client v7.2 or later