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haskell generic builder: expose enableParallelBuilding

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Domen Kožar 2018-08-25 11:53:04 +01:00 committed by Domen Kožar
parent 7c542d0c86
commit 82f11ba01b
1 changed files with 4 additions and 5 deletions
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9
pkgs/development/haskell-modules/generic-builder.nix
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@ -46,6 +46,10 @@ in
, isExecutable ? false, isLibrary ? !isExecutable
, jailbreak ? false
, license
# We cannot enable -j<n> parallelism for libraries because GHC is far more
# likely to generate a non-determistic library ID in that case. Further
# details are at <https://github.com/peti/ghc-library-id-bug>.
, enableParallelBuilding ? (stdenv.lib.versionOlder "7.8" ghc.version && !isLibrary) || stdenv.lib.versionOlder "8.0.1" ghc.version
, maintainers ? []
, doCoverage ? false
, doHaddock ? !(ghc.isHaLVM or false)
@ -112,11 +116,6 @@ let
main = defaultMain
'';
# We cannot enable -j<n> parallelism for libraries because GHC is far more
# likely to generate a non-determistic library ID in that case. Further
# details are at <https://github.com/peti/ghc-library-id-bug>.
enableParallelBuilding = (versionOlder "7.8" ghc.version && !isLibrary) || versionOlder "8.0.1" ghc.version;
crossCabalFlags = [
"--with-ghc=${ghc.targetPrefix}ghc"
"--with-ghc-pkg=${ghc.targetPrefix}ghc-pkg"