GNUPlot fails to build due to libcairopango and libcairo incompatibility

[Alex Rudy]

Hi MacPorts Users,

I'm having some trouble. GNUPlot is failing to build because of a version
inconsistency between pango and cairo:

:info:build dyld: Library not loaded: /opt/local/lib/libcairo.2.dylib
:info:build   Referenced from: /opt/local/lib/libpangocairo-1.0.0.dylib
:info:build   Reason: Incompatible library version:
libpangocairo-1.0.0.dylib requires version 11203.0.0 or later, but
libcairo.2.dylib provides version 11107.0.0
:info:build make[2]: *** [gnuplot.gih] Trace/BPT trap: 5

I'm a little puzzled. I tried force-uninstalling cairo, which caused pango
to rebuild during the rev-upgrade phase. However, during rev-upgrade,
gnuplot still fails to build.

Here were my steps:

1. Initially, I upgraded MacPorts to version 2.1.3, and updated my ports
tree.
2. When doing a `port upgrade outdated`, gnuplot failed to build.
3. I did a `port -f clean gnuplot` and then tried to build again, failing
for the same reason.
4. I saw that libcairo and libcairopango seemed to expected different
versions. I force-uninstalled cairo, with `port -f uninstall cairo` (for
both installed versions). This caused rev-upgrade to kick in and try to
rebuild gnuplot. That is still failing.

The log file from the last attempt at GNUplot has failed. I haven't seen a
ticket filed, and I'm happy to file one, but I thought I'd ask first here.

Thanks,
Alex


______________________________________
Alexander Rudy – GRFP Fellow
UC Santa Cruz Astronomy / UCO Lick
+1 (303) 715 8886
alex.rudy at gmail.com
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