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|
{ stdenvNoCC, lib, buildPackages, fetchurl, perl, elf-header
, bison, flex, rsync
, writeTextFile
}:
let
# As part of building a hostPlatform=mips kernel, Linux creates and runs a
# tiny utility `arch/mips/boot/tools/relocs_main.c` for the buildPlatform.
# This utility references a glibc-specific header `byteswap.h`. There is a
# compatibility header in gnulib for most BSDs, but not for Darwin, so we
# synthesize one here.
darwin-endian-h = writeTextFile {
name = "endian-h";
text = ''
#include <byteswap.h>
'';
destination = "/include/endian.h";
};
darwin-byteswap-h = writeTextFile {
name = "byteswap-h";
text = ''
#pragma once
#include <libkern/OSByteOrder.h>
#define bswap_16 OSSwapInt16
#define bswap_32 OSSwapInt32
#define bswap_64 OSSwapInt64
'';
destination = "/include/byteswap.h";
};
makeLinuxHeaders = { src, version, patches ? [] }: stdenvNoCC.mkDerivation {
inherit src;
pname = "linux-headers";
inherit version;
ARCH = stdenvNoCC.hostPlatform.linuxArch;
strictDeps = true;
enableParallelBuilding = true;
# It may look odd that we use `stdenvNoCC`, and yet explicit depend on a cc.
# We do this so we have a build->build, not build->host, C compiler.
depsBuildBuild = [ buildPackages.stdenv.cc ];
# `elf-header` is null when libc provides `elf.h`.
nativeBuildInputs = [
perl elf-header
] ++ lib.optionals stdenvNoCC.hostPlatform.isAndroid [
bison flex rsync
] ++ lib.optionals (stdenvNoCC.buildPlatform.isDarwin &&
stdenvNoCC.hostPlatform.isMips) [
darwin-endian-h
darwin-byteswap-h
];
extraIncludeDirs = lib.optionals (with stdenvNoCC.hostPlatform; isPower && is32bit && isBigEndian) ["ppc"];
inherit patches;
hardeningDisable = lib.optional stdenvNoCC.buildPlatform.isDarwin "format";
makeFlags = [
"SHELL=bash"
# Avoid use of runtime build->host compilers for checks. These
# checks only cared to work around bugs in very old compilers, so
# these changes should be safe.
"cc-version:=9999"
"cc-fullversion:=999999"
# `$(..)` expanded by make alone
"HOSTCC:=$(CC_FOR_BUILD)"
"HOSTCXX:=$(CXX_FOR_BUILD)"
];
# Skip clean on darwin, case-sensitivity issues.
buildPhase = lib.optionalString (!stdenvNoCC.buildPlatform.isDarwin) ''
make mrproper $makeFlags
'' + (if stdenvNoCC.hostPlatform.isAndroid then ''
make defconfig
make headers_install
'' else ''
make headers $makeFlags
'');
checkPhase = ''
make headers_check $makeFlags
'';
# The following command requires rsync:
# make headers_install INSTALL_HDR_PATH=$out $makeFlags
# but rsync depends on popt which does not compile on aarch64 without
# updateAutotoolsGnuConfigScriptsHook which is not enabled in stage2,
# so we replicate it with cp. This also reduces bootstrap closure size.
installPhase = ''
mkdir -p $out
cp -r usr/include $out
find $out -type f ! -name '*.h' -delete
''
# Some builds (e.g. KVM) want a kernel.release.
+ ''
mkdir -p $out/include/config
echo "${version}-default" > $out/include/config/kernel.release
'';
meta = with lib; {
description = "Header files and scripts for Linux kernel";
license = licenses.gpl2;
platforms = platforms.linux;
};
};
in {
inherit makeLinuxHeaders;
linuxHeaders = let version = "6.5"; in
makeLinuxHeaders {
inherit version;
src = fetchurl {
url = "mirror://kernel/linux/kernel/v${lib.versions.major version}.x/linux-${version}.tar.xz";
hash = "sha256-eldLvCCALqdrUsp/rwcmf3IEXoYbGJFcUnKpjCer+IQ=";
};
patches = [
./no-relocs.patch # for building x86 kernel headers on non-ELF platforms
# Fix regression turning `struct sockaddr_ll` flexible size.
./revert-af_packet-flex.patch
];
};
}
|