Description of problem: Due to build problems probably related to dynamic linking (eg dynamic "ghc-pkg --version" not outputting from subprocess) ghc-7.8 (and 7.10) are built currently with DYNAMIC_GHC_PROGRAMS=NO on aarch64. It is possible that ld.gold might help but apparently it is not mature/full-featured yet. This results in no ghci on aarch64. Upstream bug is https://ghc.haskell.org/trac/ghc/ticket/9673 Version-Release number of selected component (if applicable): ghc-7.8.4 (patched) (ghc-7.10.1 and current ghc-7.11) How reproducible: 100%
ghc-srpm-macros-1.4.1-1.fc22 has been submitted as an update for Fedora 22. https://admin.fedoraproject.org/updates/ghc-srpm-macros-1.4.1-1.fc22
Package ghc-srpm-macros-1.4.1-1.fc22, ghc-rpm-macros-1.4.14-1.fc22, ghc-7.8.4-43.fc22: * should fix your issue, * was pushed to the Fedora 22 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing ghc-srpm-macros-1.4.1-1.fc22 ghc-rpm-macros-1.4.14-1.fc22 ghc-7.8.4-43.fc22' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2015-5414/ghc-7.8.4-43.fc22,ghc-srpm-macros-1.4.1-1.fc22,ghc-rpm-macros-1.4.14-1.fc22 then log in and leave karma (feedback).
I tried building with ld.gold (note gold is not enabled by default for Fedora aarch64 yet since apparently it is not complete), but it didn't seem to help with the dynamic "ghc-pkg --version" not outputting, etc.
http://arm.koji.fedoraproject.org/koji/taskinfo?taskID=2975215 scratch build enabling ghci (actually it was unrelated to the dynamic linking of ghc programs)
This should be fixed in ghc-7.8.4-44.fc23.
Note however that /usr/bin/ghci crashes while trying to load libHSghc-prim.so, but Template Haskell seems to compile okay.
ghc-srpm-macros-1.4.2-1.fc22 has been submitted as an update for Fedora 22. https://admin.fedoraproject.org/updates/ghc-srpm-macros-1.4.2-1.fc22
Package ghc-7.8.4-44.fc22, ghc-srpm-macros-1.4.2-1.fc22: * should fix your issue, * was pushed to the Fedora 22 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing ghc-7.8.4-44.fc22 ghc-srpm-macros-1.4.2-1.fc22' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2015-7395/ghc-7.8.4-44.fc22,ghc-srpm-macros-1.4.2-1.fc22 then log in and leave karma (feedback).
ghc-7.8.4-44.fc22, ghc-srpm-macros-1.4.2-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.