ethz-asl/suitesparse — pull request #20 by HannesSommer (2014-07-15 14:10:02+00:00)
Title: exported devel/include/suitesparse as include folder because that is whe...

I'm not sure whether that is the proper way to do it. But that was for me the quickest way to have pgk-config know about devel/include/suitesparse and not only about src/suitesparse/include, which contains nothing.