fPIC issues

[Jan Stolarek]

Someone reported similar problem on Trac:

https://ghc.haskell.org/trac/ghc/ticket/8696

So I'm not the only one affected.

Janek

Dnia wtorek, 28 stycznia 2014, Simon Marlow napisał:
> Why is the installed version of cabal-install relevant?  We don't use it
> in the GHC build.
>
> On 24/01/14 14:12, Carter Schonwald wrote:
> > What version of cabal-install are you using?
> >
> > On Friday, January 24, 2014, Jan Stolarek <jan.stolarek at p.lodz.pl
> > <mailto:jan.stolarek at p.lodz.pl>> wrote:
> >
> >     A couple of days ago I realized that I can't compile latest HEAD on
> >     my Debian Squeeze laptop.
> >     Some -fPIC issues prevented compilation of integer-gmp library. I
> >     reported this as #8666. Today I
> >     got another PIC-related error on a different machine with openSUSE
> > 11.4:
> >
> >    
> > /usr/lib64/gcc/x86_64-suse-linux/4.5/../../../../x86_64-suse-linux/bin/ld
> >: dist/build/compile/compile-tmp/Data/Singletons/Core.dyn_o: re location
> > R_X86_64_PC32 against undefined symbol
> >     `DataziSingletonsziTypes_Proved_con_info' can not
> >     be used when making a shared object; recompile with -fPIC
> >    
> > /usr/lib64/gcc/x86_64-suse-linux/4.5/../../../../x86_64-suse-linux/bin/ld
> >: final link failed: Bad
> >     value
> >     collect2: ld returned 1 exit status
> >
> >     This happened with HEAD when I tried to compile testsuite configured
> >     via cabal file (on 7.6.3 all
> >     is fine):
> >
> >     test-suite compile
> >        type:               exitcode-stdio-1.0
> >        ghc-options:        -Wall -O0 -main-is Test.Main
> >        default-language:   Haskell2010
> >        main-is:            Test/Main.hs
> >
> >     Before I fil in another bug report could someone offer me a
> >     straightforward explanation of what is
> >     this whole -fPIC thing? Why does it break my code? Is this a known
> >     issue? Is there any kind of
> >     workaround for this?
> >
> >     Janek
> >
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