id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,port 54908,ghc @7.8.3_6: fails to build in trace mode on 10.11,dliessi,neverpanic,"Probably missing dependencies? See in particular the trace mode warnings regarding files provided by Haskell ports and `gc.h`. Full log attached. Terminal output: {{{ $ sudo port -ts destroot ghc ---> Computing dependencies for ghc ---> Fetching distfiles for ghc ---> Verifying checksums for ghc ---> Extracting ghc ---> Applying patches to ghc ---> Configuring ghc Warning: The following existing files were hidden from the build system by trace mode: /opt/local/bin/alex /opt/local/bin/gmake /opt/local/bin/gnutar /opt/local/bin/grep /opt/local/bin/gsed /opt/local/bin/happy /opt/local/share/xml/docbook/4.1.2/catalog.xml /opt/local/share/xml/docbook/4.2/catalog.xml /opt/local/share/xml/docbook/4.3/catalog.xml /opt/local/share/xml/docbook/4.4/catalog.xml /opt/local/share/xml/docbook/4.5/catalog.xml /opt/local/share/xml/docbook/5.0/catalog.xml /opt/local/share/xsl/docbook-xsl/catalog.xml Warning: The following file inside the MacPorts prefix not installed by a port was accessed: /opt/local/etc/xml/catalog ---> Building ghc Warning: The following existing files were hidden from the build system by trace mode: /opt/local/bin/alex /opt/local/bin/grep /opt/local/bin/haddock /opt/local/bin/happy /opt/local/bin/hpc /opt/local/bin/pkg-config /opt/local/include/gc/gc.h /opt/local/include/mach-o/fat.h /opt/local/include/mach-o/loader.h /opt/local/include/mach-o/nlist.h /opt/local/include/mach-o/reloc.h /opt/local/include/mach-o/x86_64/reloc.h Warning: The following file inside the MacPorts prefix not installed by a port was accessed: /opt/local/include/GC.h Error: Failed to build ghc: command execution failed Error: See /opt/local/var/macports/logs/_opt_macports-git_macports-ports_lang_ghc/ghc/main.log for details. Error: Follow https://guide.macports.org/#project.tickets to report a bug. Error: Processing of port ghc failed }}}",defect,closed,Normal,,ports,,worksforme,,,ghc