+++ This bug was initially created as a clone of Bug #624690 +++

Description of problem:

graphviz testsuite is enabled on some archs in spec file and thus on build time, however the testsuite fails in a lot of cases, e.g. on x86-64:

"""
+ make rtest
./rtest.sh
Test shapes:0 : == Failed == shapes_dot.gv
Test shapes:1 : == Failed == shapes_dot.ps
./rtest.sh[389]: doTest: line 279: 15415: Memory fault
Test crazy:0 : == Layout failed ==
  ../cmd/dot/dot_builtins -Kdot -Tpng  -ondata/crazy_dot.png graphs/crazy.gv
Test crazy:1 : == Failed == crazy_dot.ps
Test arrows:0 : == Failed == arrows_dot.gv
Test arrows:1 : == Failed == arrows_dot.ps
./rtest.sh[389]: doTest: line 279: 15485: Memory fault
[...]
"""

and is disabled for ppc*:

%check
%ifnarch ppc64 ppc sparc64
# regression test, segfaults on ppc/ppc64/sparc64, possible endian issues?
cd rtest
make rtest
%endif


It would be really helpful for QE if the testsuite passed and is enabled for all RHEL supported archs.

Version-Release number of selected component (if applicable):

graphviz-2.26.0-4.el6

--- Additional comment from pm-rhel on 2010-10-15 10:31:36 CEST ---

This bugzilla was reviewed by QE as a non-FasTrack request.
It has since been proposed for FasTrack. The qa_ack has 
been reset. QE needs to re-review this bugzilla for FasTrack.

--- Additional comment from jskarvad on 2010-10-22 11:03:53 CEST ---

Fixed SIGSEGVs and several other problems. But testsuite results are highly dependant on system configration / package versions used. The source data are processed by specially created test executable and the results are diffed with upstream supplied samples. Only one pixel shift will cause the test to fail. For now all tests are failing because the upstream samples seems to be a little outdated.

--- Additional comment from jskarvad on 2010-10-22 11:06:49 CEST ---

Created attachment 455022 [details]
Proposed SIGSEGVs fix

Fix segfaults caused by wrong initialization.

--- Additional comment from jskarvad on 2010-10-22 11:11:19 CEST ---

Created attachment 455023 [details]
Proposed rtest fix

Fix for counting differences even in case of error / warning output.

--- Additional comment from jskarvad on 2010-10-22 11:14:11 CEST ---

Created attachment 455024 [details]
Proposed spec patch

Fix failure of testsuite caused by missing fonts in buildroot.