GMT-5.1.1-3.fc21 build failed on arch ppc64le with error
error: 'mcontext_t' has no member named 'rip'
This problem have been corrected upstream
and it's correction is available on GMT-5.1.1-4 version
Please, could you consider to push GMT-5.1.1-4 version on fc21
GMT-5.1.1-4.fc21 has been submitted as an update for Fedora 21.
GMT-5.1.1-4.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.