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-rw-r--r--pkgs/development/libraries/stxxl/default.nix7
1 files changed, 4 insertions, 3 deletions
diff --git a/pkgs/development/libraries/stxxl/default.nix b/pkgs/development/libraries/stxxl/default.nix
index 5cc0e6037a23d..391424ee2c93d 100644
--- a/pkgs/development/libraries/stxxl/default.nix
+++ b/pkgs/development/libraries/stxxl/default.nix
@@ -2,7 +2,7 @@
 , stdenv
 , fetchFromGitHub
 , cmake
-, parallel ? true
+, parallelSupport ? (!stdenv.isDarwin)
 }:
 
 let
@@ -25,11 +25,12 @@ stdenv.mkDerivation rec {
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=ON"
     "-DBUILD_STATIC_LIBS=OFF"
-    (mkFlag parallel "USE_GNU_PARALLEL")
+    (mkFlag parallelSupport "USE_GNU_PARALLEL")
+    (mkFlag parallelSupport "USE_OPENMP")
   ];
 
   passthru = {
-    inherit parallel;
+    inherit parallelSupport;
   };
 
   meta = with lib; {