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Updated graphviz packages that fix several bugs are now available for Red Hat Enterprise Linux 6.
Graphviz is graph visualization software used to represent structural information as diagrams, abstract graphs or networks.
- Several links in the Graphviz Documentation Index file led to nonexistent or incorrectly named files. This update fixes these links so that their targets resolve correctly.
- The graphviz test suite was disabled on the PowerPC, 64-bit PowerPC and SPARC64 architectures due to unexpected terminations with segmentation faults. The test code used in the test suite did not set the TextLayout plugin correctly, which led to the crash of the test suite. This has been fixed and the test suite passes on all architectures.
- Prior to this update, the About dialog box displayed "<unknown>" instead of the real name of the DotEdit utility. This has been fixed and the name is now displayed correctly.
- When using the graphviz utility with PHP, the gv.so module did not load and displayed the following error message:
/usr/lib64/php/modules/gv.so' - /usr/lib64/php/modules/gv.so: undefined symbol: zend_error_noreturn in Unknown on line 0This was caused by the SWIG tool which used the zend_error_noreturn() function to build the PHP module. SWIG has been modified and the bug no longer occurs.
All users of graphviz are advised to upgrade to these updated packages, which fix these bugs.