pythonPackages.pip-install-hook: remove --build option

Pip had the option --build to build in a custom or temporary directory.
Nowadays, pip just listens to TMPDIR, which we already set.

This option was deprecated and is removed in pip 20.3.

2 files changed, 4 insertions, 4 deletions

diff --git a/pkgs/development/interpreters/python/hooks/pip-install-hook.sh b/pkgs/development/interpreters/python/hooks/pip-install-hook.sh
index c15b99adef6d7..a4f08b8b14cbd 100644
--- a/pkgs/development/interpreters/python/hooks/pip-install-hook.sh
+++ b/pkgs/development/interpreters/python/hooks/pip-install-hook.sh
@@ -11,7 +11,7 @@ pipInstallPhase() {
     export PYTHONPATH="$out/@pythonSitePackages@:$PYTHONPATH"
 
     pushd dist || return 1
-    @pythonInterpreter@ -m pip install ./*.whl --no-index --no-warn-script-location --prefix="$out" --no-cache $pipInstallFlags --build tmpbuild
+    @pythonInterpreter@ -m pip install ./*.whl --no-index --no-warn-script-location --prefix="$out" --no-cache $pipInstallFlags
     popd || return 1
 
     runHook postInstall
diff --git a/pkgs/development/python-modules/bootstrapped-pip/default.nix b/pkgs/development/python-modules/bootstrapped-pip/default.nix
index 04bac36cf5af9..09648036ea87e 100644
--- a/pkgs/development/python-modules/bootstrapped-pip/default.nix
+++ b/pkgs/development/python-modules/bootstrapped-pip/default.nix
@@ -49,17 +49,17 @@ stdenv.mkDerivation rec {
 
     echo "Building setuptools wheel..."
     pushd setuptools
-    ${python.pythonForBuild.interpreter} -m pip install --no-build-isolation --no-index --prefix=$out  --ignore-installed --no-dependencies --no-cache --build tmpbuild .
+    ${python.pythonForBuild.interpreter} -m pip install --no-build-isolation --no-index --prefix=$out  --ignore-installed --no-dependencies --no-cache .
     popd
 
     echo "Building wheel wheel..."
     pushd wheel
-    ${python.pythonForBuild.interpreter} -m pip install --no-build-isolation --no-index --prefix=$out  --ignore-installed --no-dependencies --no-cache --build tmpbuild .
+    ${python.pythonForBuild.interpreter} -m pip install --no-build-isolation --no-index --prefix=$out  --ignore-installed --no-dependencies --no-cache .
     popd
 
     echo "Building pip wheel..."
     pushd pip
-    ${python.pythonForBuild.interpreter} -m pip install --no-build-isolation --no-index --prefix=$out  --ignore-installed --no-dependencies --no-cache --build tmpbuild .
+    ${python.pythonForBuild.interpreter} -m pip install --no-build-isolation --no-index --prefix=$out  --ignore-installed --no-dependencies --no-cache .
     popd
   '';