I should add that H builds and runs nicely under Windows and MacOS (using ghc 8.0.1), so this is indeed a Fedora Linux issue.
On Sat, Aug 13, 2016 at 10:22 AM, Dominick Samperi <djsamp...@gmail.com> wrote: > Hello Mathieu, > > I'm using Fedora 23. The default Haskell Platform here provides ghc > 7.8.4, and this seems to have even more problems. Thus I have been > trying to use ghc 8.0.1 compiled from source. I think the red herring > bit may apply to 32 bit builds, but I am attempting a 64 bit build. > The problem may be related to the way modules are randomly relocated > for security reasons, Fedora security policies, and confusion/bugs in > the linker(s). > > Cheers, > Dominick > > > On Sat, Aug 13, 2016 at 7:43 AM, Boespflug, Mathieu <m...@tweag.io> wrote: >> Hi Dominick, >> >> which version of Fedora Linux are you on? The -fPIC message from the linker >> may well be a red herring. AFAIR generating PIC is the default in GHC, at >> least for dynamic libraries. >> >> Best, >> >> -- >> Mathieu Boespflug >> Founder at http://tweag.io. >> >> On 13 August 2016 at 05:55, Dominick Samperi <djsamp...@gmail.com> wrote: >>> >>> Hello, >>> >>> I am getting relocation errors when building an executable >>> (specifically, the "H" >>> executable -- part of haskellR) under Fedora Linux, and the message says >>> to >>> "recompile with -fPIC". >>> >>> The FAQ associated with H suggests that I switch to the gold linker >>> (ld.gold) due to bugs in the default linker (ld.bfd), but this only >>> changes the wording of the relocation error messages. >>> >>> I have tried several strategies for satisfying the -fPIC requirement: >>> 1. In cabal files I insert cc-options: and ghc-options: lines including >>> -fPIC >>> 2. To the 'cabal install' command line I add: >>> --ghc-option=-fPIC --hsc2hs-option=-cflag=-fPIC >>> 3. When building ghc 8.0.1 from source I modify config.mk by including: >>> CONF_CC_OPTS += -fPIC >>> SRC_HSC2HS_OPTS += --cflag=-fPIC >>> CONF_CC_OPTS_STAGE0 = -fno-stack-protector -fPIC >>> [same for STAGE1 and STAGE2] >>> >>> All of this doesn't fix the problem, and the error messages still say >>> "recompile with -fPIC". >>> >>> This may be a bug, but I'm not sure where. Any ideas? >>> >>> Thanks, >>> Dominick >>> _______________________________________________ >>> ghc-devs mailing list >>> ghc-devs@haskell.org >>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs >> >> _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
