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{
lib,
buildPlatform,
hostPlatform,
fetchurl,
bash,
gcc,
musl,
binutils,
gnumake,
gnupatch,
gnused,
gnugrep,
gawk,
diffutils,
findutils,
gnutar,
xz,
zlib,
}:
let
pname = "python";
version = "3.14.4";
src = fetchurl {
url = "https://www.python.org/ftp/python/${version}/Python-${version}.tar.xz";
hash = "sha256-2SPFEwPjjiSRNvwb3zVo1W7LAyFO/e9IUWF209f6rvg=";
};
patches = [
# Disable the use of ldconfig in ctypes.util.find_library (since
# ldconfig doesn't work on NixOS), and don't use
# ctypes.util.find_library during the loading of the uuid module
# (since it will do a futile invocation of gcc (!) to find
# libuuid, slowing down program startup a lot).
./no-ldconfig.patch
];
in
bash.runCommand "${pname}-${version}"
{
inherit pname version;
nativeBuildInputs = [
gcc
musl
binutils
gnumake
gnupatch
gnused
gnugrep
gawk
diffutils
findutils
gnutar
xz
];
passthru.tests.get-version =
result:
bash.runCommand "${pname}-get-version-${version}" { } ''
${result}/bin/python3 --version
mkdir $out
'';
meta = {
description = "A high-level dynamically-typed programming language";
homepage = "https://www.python.org";
license = lib.licenses.psfl;
mainProgram = "python3";
platforms = lib.platforms.linux;
teams = [ lib.teams.minimal-bootstrap ];
};
}
''
# Unpack
tar xf ${src}
cd Python-${version}
# Patch
${lib.concatMapStringsSep "\n" (f: "patch -Np1 -i ${f}") patches}
# Configure
export CC=musl-gcc
export C_INCLUDE_PATH="${zlib}/include"
export LIBRARY_PATH="${zlib}/lib"
export LDFLAGS="-Wl,-rpath,${zlib}/lib -L${zlib}/lib"
export LD_LIBRARY_PATH="$LIBRARY_PATH"
bash ./configure \
--prefix=$out \
--build=${buildPlatform.config} \
--host=${hostPlatform.config} \
--disable-test-modules \
--without-ensurepip \
--without-static-libpython
# Build
make -j $NIX_BUILD_CORES
# Install
make -j $NIX_BUILD_CORES install
# Remove lib-dynload extension modules not needed for glibc's build scripts.
# glibc uses Python only for scripts that import: os, re, subprocess, argparse,
# pathlib, collections, tempfile. Following the import chain:
# subprocess -> selectors -> math, select, fcntl, _posixsubprocess
# pathlib -> grp
# tempfile -> random -> _random, bisect -> _bisect
# Everything else in lib-dynload is dead weight in the bootstrap context.
find $out/lib/python*/lib-dynload -name '*.so' \
! -name '_bisect*' \
! -name '_posixsubprocess*' \
! -name '_random*' \
! -name 'fcntl*' \
! -name 'grp*' \
! -name 'math*' \
! -name 'select*' \
-delete
rm -rf \
$out/lib/python*/ensurepip \
$out/lib/python*/idlelib \
$out/lib/python*/site-packages \
$out/lib/python*/test \
$out/lib/python*/tkinter \
$out/lib/python*/turtledemo \
$out/share/man
rm -f $out/bin/idle* $out/bin/pip*
find $out/lib/python* -type d -name __pycache__ -prune -exec rm -rf {} +
strip --strip-unneeded $out/bin/python${lib.versions.majorMinor version} $out/lib/python*/lib-dynload/*.so || true
''
|
