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authorPeter Simons <simons@cryp.to>2015-09-02 16:24:06 +0200
committerPeter Simons <simons@cryp.to>2015-09-02 16:28:01 +0200
commit07542d12eaf344c7e0c7b9e9735826eecba607c5 (patch)
tree71cf46d3585beb708d71e966e7671229352127b2 /pkgs/development/haskell-modules/hoogle.nix
parent6e767657951788775451859f1c36d4eb0230581c (diff)
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hoogle: use $NIX_BUILD_CORES to determine the proper level of parallelism for database creation
Diffstat (limited to 'pkgs/development/haskell-modules/hoogle.nix')
-rw-r--r--pkgs/development/haskell-modules/hoogle.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/haskell-modules/hoogle.nix b/pkgs/development/haskell-modules/hoogle.nix
index e2f6c289a805..14464ceca80d 100644
--- a/pkgs/development/haskell-modules/hoogle.nix
+++ b/pkgs/development/haskell-modules/hoogle.nix
@@ -82,7 +82,7 @@ stdenv.mkDerivation {
     echo building hoogle database
     # FIXME: rehoo is marked as depricated on Hackage
     chmod 644 *.hoo *.txt
-    rehoo -j4 -c64 .
+    rehoo -j$NIX_BUILD_CORES -c64 .
 
     mv default.hoo .x
     rm -fr downloads *.dep *.txt *.hoo