ok, my question was not very clear, the default I've seen is that libs are installed into something like 
$PREFIX/lib/perl5/5.8.2/some/long/module/name

[download]
instead of 
$PREFIX/lib/some/long/module/name

[download]
Since I'd like to use FindBin to point an executable installed in $PREFIX/bin to the locally installed libs the inbetween 'perl5/5.8.2/site_perl' is kind of awkward in such a situation (while obviously very useful when installing into a default location).

Anyway, I've added this to my Makefile.PL : 

# if PREFIX is set, set LIB too
foreach my $arg (@ARGV) {
        if ($arg =~ /^PREFIX=(.*)/) {
                push @ARGV, "LIB=$1/lib";
        }
}

[download]
not very elegant but kind of works.

In reply to Re^2: ExtUtils::MakeMaker PREFIX and LIB by eXile
in thread ExtUtils::MakeMaker PREFIX and LIB by eXile

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