python37: fix cross-compilation

This commit is contained in:
Jörg Thalheim 2018-12-18 12:06:37 +00:00
parent fcce28f1af
commit 14b2dcea8f

View file

@ -16,6 +16,7 @@
, python-setup-hook
# For the Python package set
, packageOverrides ? (self: super: {})
, buildPackages
}:
assert x11Support -> tcl != null
@ -38,7 +39,10 @@ let
++ optionals stdenv.isDarwin [ CF configd ];
hasDistutilsCxxPatch = !(stdenv.cc.isGNU or false);
pythonForBuild = if stdenv.hostPlatform == stdenv.buildPlatform then
"$out/bin/python"
else
buildPackages.python37.interpreter;
in stdenv.mkDerivation {
name = "python3-${version}";
pythonVersion = majorVersion;
@ -46,6 +50,10 @@ in stdenv.mkDerivation {
inherit buildInputs;
nativeBuildInputs =
optionals (stdenv.hostPlatform != stdenv.buildPlatform)
[ buildPackages.stdenv.cc buildPackages.python37 ];
src = fetchurl {
url = "https://www.python.org/ftp/python/${majorVersion}.${minorVersion}/Python-${version}.tar.xz";
sha256 = "0v9x4h22rh5cwpsq1mwpdi3c9lc9820lzp2nmn9g20llij72nzps";
@ -95,6 +103,27 @@ in stdenv.mkDerivation {
"--with-system-expat"
"--with-system-ffi"
"--with-openssl=${openssl.dev}"
] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
"ac_cv_buggy_getaddrinfo=no"
# Assume little-endian IEEE 754 floating point when cross compiling
"ac_cv_little_endian_double=yes"
"ac_cv_big_endian_double=no"
"ac_cv_mixed_endian_double=no"
"ac_cv_x87_double_rounding=yes"
"ac_cv_tanh_preserves_zero_sign=yes"
# Generally assume that things are present and work
"ac_cv_posix_semaphores_enabled=yes"
"ac_cv_broken_sem_getvalue=no"
"ac_cv_wchar_t_signed=yes"
"ac_cv_rshift_extends_sign=yes"
"ac_cv_broken_nice=no"
"ac_cv_broken_poll=no"
"ac_cv_working_tzset=yes"
"ac_cv_have_long_long_format=yes"
"ac_cv_have_size_t_format=yes"
"ac_cv_computed_gotos=yes"
"ac_cv_file__dev_ptmx=yes"
"ac_cv_file__dev_ptc=yes"
];
preConfigure = ''
@ -153,9 +182,9 @@ in stdenv.mkDerivation {
# We rebuild three times, once for each optimization level
# Python 3.7 implements PEP 552, introducing support for deterministic bytecode.
# This is automatically used when `SOURCE_DATE_EPOCH` is set.
find $out -name "*.py" | $out/bin/python -m compileall -q -f -x "lib2to3" -i -
find $out -name "*.py" | $out/bin/python -O -m compileall -q -f -x "lib2to3" -i -
find $out -name "*.py" | $out/bin/python -OO -m compileall -q -f -x "lib2to3" -i -
find $out -name "*.py" | ${pythonForBuild} -m compileall -q -f -x "lib2to3" -i -
find $out -name "*.py" | ${pythonForBuild} -O -m compileall -q -f -x "lib2to3" -i -
find $out -name "*.py" | ${pythonForBuild} -OO -m compileall -q -f -x "lib2to3" -i -
'';
passthru = let