Compiling a cabal project with LLVM on GHC 7.10 RC1
Edward Z. Yang
ezyang at mit.edu
Wed Jan 7 20:30:06 UTC 2015
...is there -dynamic in the -v output? Don't you also want
--disable-shared?
Excerpts from Brandon Simmons's message of 2015-01-07 12:21:48 -0800:
> I've tried:
>
> $ cabal install --only-dependencies -w
> /usr/local/bin/ghc-7.10.0.20141222 --enable-tests --enable-benchmarks
> --ghc-option=-fllvm --ghc-option=-static
> $ cabal configure -w /usr/local/bin/ghc-7.10.0.20141222
> --enable-tests --enable-benchmarks --ghc-option=-fllvm
> --ghc-option=-static
> $ cabal build
> Building foo-0.3.0.0...
> Preprocessing library foo-0.3.0.0...
>
> when making flags consistent: Warning:
> Using native code generator rather than LLVM, as LLVM is
> incompatible with -fPIC and -dynamic on this platform
>
> I don't see anything referencing "PIC" in the output of cabal build
> -v. I can build a hello world program, just fine with `ghc --make`:
>
> $ /usr/local/bin/ghc-7.10.0.20141222 --make -O2 -fllvm Main.hs
> [1 of 1] Compiling Main ( Main.hs, Main.o )
> Linking Main ...
>
> Thanks,
> Brandon
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