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authorFrederik Rietdijk <fridh@fridh.nl>2020-05-01 08:53:56 +0200
committerFrederik Rietdijk <fridh@fridh.nl>2020-05-01 08:53:56 +0200
commit2111240b9f7e5704045763fbdc66534609a62a65 (patch)
treeef86be13db80d0e1f9ea853b60e8f4ecb73973d6 /pkgs/build-support/ocaml
parentbf3870a4c0241e2cb5294fbce5ca9c1932e8db6d (diff)
parent635ea98f2f72e801c1d4d35bcc5d7f56e803afec (diff)
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Merge master into staging-next
Diffstat (limited to 'pkgs/build-support/ocaml')
-rw-r--r--pkgs/build-support/ocaml/dune.nix8
1 files changed, 5 insertions, 3 deletions
diff --git a/pkgs/build-support/ocaml/dune.nix b/pkgs/build-support/ocaml/dune.nix
index 435bbe89c1c4..b134effab8ac 100644
--- a/pkgs/build-support/ocaml/dune.nix
+++ b/pkgs/build-support/ocaml/dune.nix
@@ -1,6 +1,6 @@
 { stdenv, ocaml, findlib, dune, dune_2, opaline }:
 
-{ pname, version, buildInputs ? [], ... }@args:
+{ pname, version, buildInputs ? [], enableParallelBuilding ? true, ... }@args:
 
 let Dune = if args.useDune2 or false then dune_2 else dune; in
 
@@ -11,14 +11,16 @@ else
 
 stdenv.mkDerivation ({
 
+  inherit enableParallelBuilding;
+
   buildPhase = ''
     runHook preBuild
-    dune build -p ${pname}
+    dune build -p ${pname} ''${enableParallelBuilding:+-j $NIX_BUILD_CORES}
     runHook postBuild
   '';
   checkPhase = ''
     runHook preCheck
-    dune runtest -p ${pname}
+    dune runtest -p ${pname} ''${enableParallelBuilding:+-j $NIX_BUILD_CORES}
     runHook postCheck
   '';
   installPhase = ''