I've seen the -KPIC trouble; Sol's cc using one form and gcc uses another (lower case maybe?). The Config.pm has the options used on the perl compile and they get put in when installing modules, so you've got that conflict. Same w/ the "language" depend, you're getting the command line for one compiler (gcc, I guess) w/ the other (cc). I've modified Config.pm (probably a really bad idea), you're probably looking at other troubles and 'changing' compilers isn't going to help. Lord, er, goodness, er, Larry knows I tried it enough.

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