diff --git a/pkgs/development/interpreters/python/hooks/default.nix b/pkgs/development/interpreters/python/hooks/default.nix index 705db5268281..c61cd77fc7ec 100644 --- a/pkgs/development/interpreters/python/hooks/default.nix +++ b/pkgs/development/interpreters/python/hooks/default.nix @@ -195,6 +195,8 @@ in { propagatedBuildInputs = [ setuptools wheel ]; substitutions = { inherit pythonInterpreter setuppy; + # python2.pkgs.setuptools does not support parallelism + setuptools_has_parallel = setuptools != null && lib.versionAtLeast setuptools.version "69"; }; } ./setuptools-build-hook.sh) {}; diff --git a/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh b/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh index 7b5111d7f342..4c63a18eca43 100644 --- a/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh +++ b/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh @@ -3,7 +3,7 @@ echo "Sourcing setuptools-build-hook" setuptoolsBuildPhase() { echo "Executing setuptoolsBuildPhase" - local args + local args setuptools_has_parallel=@setuptools_has_parallel@ runHook preBuild cp -f @setuppy@ nix_run_setup @@ -12,7 +12,9 @@ setuptoolsBuildPhase() { args+="$setupPyGlobalFlags" fi if [ -n "$enableParallelBuilding" ]; then - setupPyBuildFlags+=" --parallel $NIX_BUILD_CORES" + if [ -n "$setuptools_has_parallel" ]; then + setupPyBuildFlags+=" --parallel $NIX_BUILD_CORES" + fi fi if [ -n "$setupPyBuildFlags" ]; then args+=" build_ext $setupPyBuildFlags"