qt6.qtwebengine: correct how NIX_BUILD_CORES is propagated to the gn ninja

port of https://github.com/NixOS/nixpkgs/pull/37889
2022-10-16 09:34:23 +08:00 · 2022-10-16 09:34:23 +08:00 · 0badfc4936
commit 0badfc4936
parent d92b297a77
1 changed files with 4 additions and 0 deletions
--- a/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtwebengine.nix
@ -228,6 +228,10 @@ qtModule {

  requiredSystemFeatures = [ "big-parallel" ];

+  preConfigure = ''
+    export NINJAFLAGS="-j$NIX_BUILD_CORES"
+  '';
+
  postInstall = ''
    # This is required at runtime
    mkdir $out/libexec