Whole source tree diff 
diff -ru perl-5.12.2-clean perl-5.12.2-build >the.patch

[download]
or if you're building from a git enviroment, 
git diff >the.patch

[download]
I've looked over your reverse patches , but nothing jumps out

In reply to Re^5: empty @INC in fresh compile of 5.12.2 on win32 by Anonymous Monk
in thread empty @INC in fresh compile of 5.12.2 on win32 by pcard

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