8fa36fc8a1
Patching numpy.distutils used to be required for pythonPackages.cython to build on darwin. It was later accidentally disabled during one of the refactorings, but that did not break cython. This change reinstantiates the patch. It still applies, so it should be low maintenance and it can still be useful.
271 lines
9.9 KiB
Nix
271 lines
9.9 KiB
Nix
{ stdenv, fetchurl, fetchpatch
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, bzip2
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, expat
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, libffi
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, gdbm
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, lzma
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, ncurses
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, openssl
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, readline
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, sqlite
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, tcl ? null, tk ? null, tix ? null, libX11 ? null, xorgproto ? null, x11Support ? false
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, zlib
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, callPackage
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, self
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, CF, configd
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, python-setup-hook
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, nukeReferences
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# For the Python package set
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, packageOverrides ? (self: super: {})
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, buildPackages
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, sourceVersion
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, sha256
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, passthruFun
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, bash
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}:
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assert x11Support -> tcl != null
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&& tk != null
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&& xorgproto != null
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&& libX11 != null;
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with stdenv.lib;
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let
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passthru = passthruFun rec {
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inherit self sourceVersion packageOverrides;
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implementation = "cpython";
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libPrefix = "python${pythonVersion}";
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executable = libPrefix;
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pythonVersion = with sourceVersion; "${major}.${minor}";
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sitePackages = "lib/${libPrefix}/site-packages";
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inherit hasDistutilsCxxPatch pythonForBuild;
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};
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version = with sourceVersion; "${major}.${minor}.${patch}${suffix}";
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nativeBuildInputs = [
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nukeReferences
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] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
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buildPackages.stdenv.cc
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pythonForBuild
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];
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buildInputs = filter (p: p != null) [
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zlib bzip2 expat lzma libffi gdbm sqlite readline ncurses openssl ]
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++ optionals x11Support [ tcl tk libX11 xorgproto ]
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++ optionals stdenv.isDarwin [ CF configd ];
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hasDistutilsCxxPatch = !(stdenv.cc.isGNU or false);
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pythonForBuild = buildPackages.${"python${sourceVersion.major}${sourceVersion.minor}"};
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pythonForBuildInterpreter = if stdenv.hostPlatform == stdenv.buildPlatform then
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"$out/bin/python"
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else pythonForBuild.interpreter;
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in with passthru; stdenv.mkDerivation {
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pname = "python3";
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inherit version;
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inherit buildInputs nativeBuildInputs;
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src = fetchurl {
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url = with sourceVersion; "https://www.python.org/ftp/python/${major}.${minor}.${patch}/Python-${version}.tar.xz";
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inherit sha256;
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};
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prePatch = optionalString stdenv.isDarwin ''
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substituteInPlace configure --replace '`/usr/bin/arch`' '"i386"'
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substituteInPlace configure --replace '-Wl,-stack_size,1000000' ' '
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'';
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patches = [
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# Disable the use of ldconfig in ctypes.util.find_library (since
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# ldconfig doesn't work on NixOS), and don't use
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# ctypes.util.find_library during the loading of the uuid module
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# (since it will do a futile invocation of gcc (!) to find
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# libuuid, slowing down program startup a lot).
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(./. + "/${sourceVersion.major}.${sourceVersion.minor}/no-ldconfig.patch")
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] ++ optionals (isPy35 || isPy36) [
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# Determinism: Write null timestamps when compiling python files.
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./3.5/force_bytecode_determinism.patch
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] ++ optionals isPy35 [
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# Backports support for LD_LIBRARY_PATH from 3.6
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./3.5/ld_library_path.patch
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] ++ optionals isPy37 [
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# Fix darwin build https://bugs.python.org/issue34027
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(fetchpatch {
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url = https://bugs.python.org/file47666/darwin-libutil.patch;
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sha256 = "0242gihnw3wfskl4fydp2xanpl8k5q7fj4dp7dbbqf46a4iwdzpa";
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})
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] ++ optionals (isPy3k && hasDistutilsCxxPatch) [
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# Fix for http://bugs.python.org/issue1222585
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# Upstream distutils is calling C compiler to compile C++ code, which
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# only works for GCC and Apple Clang. This makes distutils to call C++
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# compiler when needed.
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(
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if isPy35 then
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./3.5/python-3.x-distutils-C++.patch
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else if isPy37 then
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./3.7/python-3.x-distutils-C++.patch
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else
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fetchpatch {
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url = "https://bugs.python.org/file48016/python-3.x-distutils-C++.patch";
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sha256 = "1h18lnpx539h5lfxyk379dxwr8m2raigcjixkf133l4xy3f4bzi2";
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}
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)
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];
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postPatch = ''
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'' + optionalString (x11Support && (tix != null)) ''
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substituteInPlace "Lib/tkinter/tix.py" --replace "os.environ.get('TIX_LIBRARY')" "os.environ.get('TIX_LIBRARY') or '${tix}/lib'"
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'';
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CPPFLAGS = "${concatStringsSep " " (map (p: "-I${getDev p}/include") buildInputs)}";
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LDFLAGS = "${concatStringsSep " " (map (p: "-L${getLib p}/lib") buildInputs)}";
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LIBS = "${optionalString (!stdenv.isDarwin) "-lcrypt"} ${optionalString (ncurses != null) "-lncurses"}";
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NIX_LDFLAGS = optionalString stdenv.isLinux "-lgcc_s";
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# Determinism: We fix the hashes of str, bytes and datetime objects.
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PYTHONHASHSEED=0;
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configureFlags = [
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"--enable-shared"
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"--with-threads"
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"--without-ensurepip"
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"--with-system-expat"
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"--with-system-ffi"
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"--with-openssl=${openssl.dev}"
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] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
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"ac_cv_buggy_getaddrinfo=no"
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# Assume little-endian IEEE 754 floating point when cross compiling
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"ac_cv_little_endian_double=yes"
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"ac_cv_big_endian_double=no"
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"ac_cv_mixed_endian_double=no"
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"ac_cv_x87_double_rounding=yes"
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"ac_cv_tanh_preserves_zero_sign=yes"
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# Generally assume that things are present and work
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"ac_cv_posix_semaphores_enabled=yes"
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"ac_cv_broken_sem_getvalue=no"
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"ac_cv_wchar_t_signed=yes"
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"ac_cv_rshift_extends_sign=yes"
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"ac_cv_broken_nice=no"
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"ac_cv_broken_poll=no"
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"ac_cv_working_tzset=yes"
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"ac_cv_have_long_long_format=yes"
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"ac_cv_have_size_t_format=yes"
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"ac_cv_computed_gotos=yes"
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"ac_cv_file__dev_ptmx=yes"
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"ac_cv_file__dev_ptc=yes"
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] ++ optionals stdenv.hostPlatform.isLinux [
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# Never even try to use lchmod on linux,
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# don't rely on detecting glibc-isms.
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"ac_cv_func_lchmod=no"
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];
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preConfigure = ''
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for i in /usr /sw /opt /pkg; do # improve purity
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substituteInPlace ./setup.py --replace $i /no-such-path
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done
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'' + optionalString stdenv.isDarwin ''
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export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -msse2"
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export MACOSX_DEPLOYMENT_TARGET=10.6
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'' + optionalString (isPy3k && pythonOlder "3.7") ''
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# Determinism: The interpreter is patched to write null timestamps when compiling Python files
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# so Python doesn't try to update the bytecode when seeing frozen timestamps in Nix's store.
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export DETERMINISTIC_BUILD=1;
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'' + optionalString stdenv.hostPlatform.isMusl ''
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export NIX_CFLAGS_COMPILE+=" -DTHREAD_STACK_SIZE=0x100000"
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'';
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setupHook = python-setup-hook sitePackages;
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postInstall = ''
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# needed for some packages, especially packages that backport functionality
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# to 2.x from 3.x
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for item in $out/lib/${libPrefix}/test/*; do
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if [[ "$item" != */test_support.py*
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&& "$item" != */test/support
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&& "$item" != */test/libregrtest
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&& "$item" != */test/regrtest.py* ]]; then
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rm -rf "$item"
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else
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echo $item
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fi
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done
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touch $out/lib/${libPrefix}/test/__init__.py
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ln -s "$out/include/${executable}m" "$out/include/${executable}"
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# Python on Nix is not manylinux1 compatible. https://github.com/NixOS/nixpkgs/issues/18484
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echo "manylinux1_compatible=False" >> $out/lib/${libPrefix}/_manylinux.py
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# Determinism: Windows installers were not deterministic.
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# We're also not interested in building Windows installers.
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find "$out" -name 'wininst*.exe' | xargs -r rm -f
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# Use Python3 as default python
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ln -s "$out/bin/idle3" "$out/bin/idle"
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ln -s "$out/bin/pydoc3" "$out/bin/pydoc"
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ln -s "$out/bin/python3" "$out/bin/python"
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ln -s "$out/bin/python3-config" "$out/bin/python-config"
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ln -s "$out/lib/pkgconfig/python3.pc" "$out/lib/pkgconfig/python.pc"
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# Get rid of retained dependencies on -dev packages, and remove
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# some $TMPDIR references to improve binary reproducibility.
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# Note that the .pyc file of _sysconfigdata.py should be regenerated!
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for i in $out/lib/${libPrefix}/_sysconfigdata*.py $out/lib/${libPrefix}/config-${sourceVersion.major}${sourceVersion.minor}*/Makefile; do
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sed -i $i -e "s|$TMPDIR|/no-such-path|g"
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done
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# Further get rid of references. https://github.com/NixOS/nixpkgs/issues/51668
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find $out/lib/python*/config-* -type f -print -exec nuke-refs -e $out '{}' +
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find $out/lib -name '_sysconfigdata*.py*' -print -exec nuke-refs -e $out '{}' +
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# Determinism: rebuild all bytecode
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# We exclude lib2to3 because that's Python 2 code which fails
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# We rebuild three times, once for each optimization level
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# Python 3.7 implements PEP 552, introducing support for deterministic bytecode.
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# This is automatically used when `SOURCE_DATE_EPOCH` is set.
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find $out -name "*.py" | ${pythonForBuildInterpreter} -m compileall -q -f -x "lib2to3" -i -
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find $out -name "*.py" | ${pythonForBuildInterpreter} -O -m compileall -q -f -x "lib2to3" -i -
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find $out -name "*.py" | ${pythonForBuildInterpreter} -OO -m compileall -q -f -x "lib2to3" -i -
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'';
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preFixup = stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
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# Ensure patch-shebangs uses shebangs of host interpreter.
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export PATH=${stdenv.lib.makeBinPath [ "$out" bash ]}:$PATH
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'';
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# Enforce that we don't have references to the OpenSSL -dev package, which we
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# explicitly specify in our configure flags above.
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disallowedReferences = [
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openssl.dev
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] ++ stdenv.lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
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# Ensure we don't have references to build-time packages.
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# These typically end up in shebangs.
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pythonForBuild buildPackages.bash
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];
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inherit passthru;
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enableParallelBuilding = true;
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meta = {
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homepage = http://python.org;
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description = "A high-level dynamically-typed programming language";
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longDescription = ''
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Python is a remarkably powerful dynamic programming language that
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is used in a wide variety of application domains. Some of its key
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distinguishing features include: clear, readable syntax; strong
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introspection capabilities; intuitive object orientation; natural
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expression of procedural code; full modularity, supporting
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hierarchical packages; exception-based error handling; and very
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high level dynamic data types.
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'';
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license = licenses.psfl;
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platforms = with platforms; linux ++ darwin;
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maintainers = with maintainers; [ fridh ];
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};
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}
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