Coyote Tracks

When you try to upgrade or install various PEAR (or PECL) packages, you may get the rather unhelpful error message “ERROR: `phpize’ failed”. For example, here’s the result I get when I try to install the pecl_http package:
root@finrod:~# pecl install pecl_http
pecl/pecl_http can optionally use PHP extension "iconv"
downloading pecl_http-1.6.3.tar ...
Starting to download pecl_http-1.6.3.tar (Unknown size)
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