hoogle: use $NIX_BUILD_CORES to determine the proper level of parallelism for database creation

2015-09-02 16:24:06 +02:00 · 2015-09-02 16:24:06 +02:00 · 07542d12ea
parent 6e76765795
commit 07542d12ea
1 changed files with 1 additions and 1 deletions
--- a/pkgs/development/haskell-modules/hoogle.nix
+++ b/pkgs/development/haskell-modules/hoogle.nix
@ -82,7 +82,7 @@ stdenv.mkDerivation {
    echo building hoogle database
    # FIXME: rehoo is marked as depricated on Hackage
    chmod 644 *.hoo *.txt
-    rehoo -j4 -c64 .
+    rehoo -j$NIX_BUILD_CORES -c64 .

    mv default.hoo .x
    rm -fr downloads *.dep *.txt *.hoo