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authorMario Rodas <marsam@users.noreply.github.com>2020-04-28 04:20:00 -0500
committerVincent Laporte <vbgl@users.noreply.github.com>2020-04-29 16:08:52 +0200
commitf7ac956a2b5b8c7f3a50c63547af493c68372169 (patch)
tree1c64930933a59e259b211d9ab27e74388d2a0509 /pkgs/build-support/ocaml
parented3fe70602461daaba13e4c1f67f622780bd271f (diff)
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buildDunePackage: add support for parallel build
dune allows to specify the number of jobs to build the package.
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 435bbe89c1c..b134effab8a 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 = ''