Perl output dropped when invoking itself

[Michael Adler]

I'm having Perl I/O problems on one machine that keep me from getting 
CPAN installations to work.  On this machine if I execte:

    perl -e 'print `perl -e "require 5; print qq{VER_OK\n}"`;'

from bash there is no output.  On all my other machines it prints 
VER_OK.  ExtUtils::MM_Unix does this test and fails.

I've looked at all environment variables I can think of, especially 
CYGWIN, and it is identical on a machine that works and one that fails.  
Cygwin is up to date on both and Perl version is 5.8.7.  I've tried 
multiple values of the PERLIO variable with no success.  Replacing the 
inner invocation of perl with some other command, like cat of a file, 
works on both machines!  I tried blowing away the entire perl 
environment and reinstalling. 

I assume I'm missing something simple.  Hints would be appreciated.

Thank you,
-Michael


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