Description:
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The command 'pecl install runkit' fails. Compiling runkit 
myself by checking it out of CVS into a temporary directory 
before running phpize, etc, results in a 'make test' with 20 
errors if I've given the path to my php-config when running 
./configure .

Put simply, it feels like runkit is a bit of a mess. I 
wouldn't mind so much, except that all the aggregation 
functions have been deprecated in PHP 5 in favour of ... 
runkit! So it really ought to be being maintained as well as 
if it were part of core PHP.

PS. I'm running PHP 5.2.6, but your drop-down menu didn't 
include that so I had to select 5.2.5 since that's the 
closest.

Reproduce code:
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pecl install runkit

Expected result:
----------------
I'd expect runkit to be installed.

Actual result:
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Failed to download pecl/runkit within preferred state 
"stable", latest release is version 0.9, stability "beta", use 
"channel://pecl.php.net/runkit-0.9" to install
Cannot initialize 'channel://pecl.php.net/runkit', invalid or 
missing package file
Package "channel://pecl.php.net/runkit" is not valid
install failed