PHP is failing to load the /usr/lib/php/modules/gv.so dynamic library
due to an undefined symbol, zend_error_noreturn. From what I have read
on the web, the missing zend_error_noreturn issue is usually due to
changes in which compiler is used. The difference in how
zend_end_noreturn is defined depends changes with GCC version 3 or
greater then it was defined with GCC version 2. Note that how
zend_error_noreturn is defined by different versions of GCC is
controlled in Zend/Zend.h (according to what I have read, I do not have
the php source code on my system and therefore cannot verify)
The error can be reproduced if you run the command "php -m" or "php
--version". The command runs but there is an error message at the
beginning that states that it was unable to load the gv.so library. A
temporary fix is to uninstall the graphviz-php package.
I first noticed this issue when looking at the Apache 2.2 error_log file.
Are other people seeing this problem?
Does anyone have a long term solution that will allow the use of the
graphviz-php package?
System:
Fedora 13
graphviz-php-2.26.0.2.fc13.i686
php version 5.3.2 (cli) (built: Apr 30 2010 05:43:36)
Output from "php --version"
[prompt]$ php --version
PHP Warning: PHP Startup: Unable to load dynamic library
'/usr/lib/php/modules/gv.so' - /usr/lib/php/modules/gv.so: undefined
symbol: zend_error_noreturn in Unknown on line 0
PHP 5.3.2 (cli) (built: Apr 30 2010 05:43:36)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
with Xdebug v2.0.5, Copyright (c) 2002-2008, by Derick Rethans
--
Steven F. LeBrun
Quote: /"The pessimist complains about the wind; the optimist expects it
to change; and the realist adjusts the sails."/
-- Anonymous
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