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Python: improve cross-compilation

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This changeset allows for cross-compilation of Python packages. Packages
built with buildPythonPackage are not allowed to refer to the build
machine. Executables that have shebangs will refer to the host.
This commit is contained in:
Frederik Rietdijk
2019-01-02 20:09:44 +01:00
parent 613498af97
commit f665828fa3
14 changed files with 68 additions and 41 deletions
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11
pkgs/development/interpreters/python/build-python-package-setuptools.nix
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@@ -2,7 +2,6 @@
{ lib
, python
, bootstrapped-pip
}:
{
@@ -26,13 +25,13 @@ in attrs // {
buildPhase = attrs.buildPhase or ''
runHook preBuild
cp ${setuppy} nix_run_setup
${python.interpreter} nix_run_setup ${lib.optionalString (setupPyBuildFlags != []) ("build_ext " + (lib.concatStringsSep " " setupPyBuildFlags))} bdist_wheel
${python.pythonForBuild.interpreter} nix_run_setup ${lib.optionalString (setupPyBuildFlags != []) ("build_ext " + (lib.concatStringsSep " " setupPyBuildFlags))} bdist_wheel
runHook postBuild
'';
installCheckPhase = attrs.checkPhase or ''
runHook preCheck
${python.interpreter} nix_run_setup test
${python.pythonForBuild.interpreter} nix_run_setup test
runHook postCheck
'';
@@ -47,9 +46,9 @@ in attrs // {
if test -e setup.py; then
tmp_path=$(mktemp -d)
export PATH="$tmp_path/bin:$PATH"
export PYTHONPATH="$tmp_path/${python.sitePackages}:$PYTHONPATH"
mkdir -p $tmp_path/${python.sitePackages}
${bootstrapped-pip}/bin/pip install -e . --prefix $tmp_path >&2
export PYTHONPATH="$tmp_path/${python.pythonForBuild.sitePackages}:$PYTHONPATH"
mkdir -p $tmp_path/${python.pythonForBuild.sitePackages}
${python.pythonForBuild.pkgs.bootstrapped-pip}/bin/pip install -e . --prefix $tmp_path >&2
fi
${postShellHook}
'';