Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] trying: diagrams-pandoc-0.3.1.1 (user goal)
[__1] trying: text-1.2.5.0/installed-1.2.5.0 (dependency of diagrams-pandoc)
[__2] trying: diagrams-cairo-1.4.2.1 (dependency of diagrams-pandoc)
[__3] next goal: pango (dependency of diagrams-cairo)
[__3] rejecting: pango-0.13.10.0, pango-0.13.8.2, pango-0.13.8.1,
pango-0.13.8.0, pango-0.13.6.1, pango-0.13.6.0, pango-0.13.5.0,
pango-0.13.4.0, pango-0.13.3.1, pango-0.13.3.0, pango-0.13.2.0,
pango-0.13.1.1, pango-0.13.1.0, pango-0.13.0.5, pango-0.13.0.4,
pango-0.13.0.3, pango-0.13.0.2, pango-0.13.0.1 (conflict: pkg-config package
pango>=1.0, not found in the pkg-config database)
[__3] rejecting: pango-0.13.0.0 (conflict: text==1.2.5.0/installed-1.2.5.0,
pango => text>=0.11.0.6 && <1.2)
[__3] rejecting: pango-0.12.5.3, pango-0.12.5.0 (conflict: pkg-config package
pango>=1.0, not found in the pkg-config database)
[__3] rejecting: pango-0.12.4 (conflict: diagrams-cairo => pango>=0.12.5 &&
<0.14)
[__3] skipping: pango-0.12.3, pango-0.12.2, pango-0.12.1, pango-0.12.0,
pango-0.11.2, pango-0.11.1, pango-0.11.0 (has the same characteristics that
caused the previous version to fail: excluded by constraint '>=0.12.5 &&
<0.14' from 'diagrams-cairo')
[__3] fail (backjumping, conflict set: diagrams-cairo, pango, text)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: text, diagrams-pandoc, pango,
diagrams-cairo
Try running with --minimize-conflict-set to improve the error message.