diff options
Diffstat (limited to 'nixpkgs/pkgs/os-specific/linux/kernel-headers')
3 files changed, 130 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/kernel-headers/default.nix b/nixpkgs/pkgs/os-specific/linux/kernel-headers/default.nix new file mode 100644 index 000000000000..eb0059f55c35 --- /dev/null +++ b/nixpkgs/pkgs/os-specific/linux/kernel-headers/default.nix @@ -0,0 +1,85 @@ +{ stdenvNoCC, lib, buildPackages +, fetchurl, fetchpatch, perl +, elf-header +}: + +let + common = { version, sha256, patches ? [] }: stdenvNoCC.mkDerivation { + name = "linux-headers-${version}"; + + src = fetchurl { + url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; + inherit sha256; + }; + + ARCH = stdenvNoCC.hostPlatform.platform.kernelArch or (throw "missing kernelArch"); + + # 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 ]; + + extraIncludeDirs = lib.optional stdenvNoCC.hostPlatform.isPowerPC ["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" + # `$(..)` expanded by make alone + "HOSTCC:=$(BUILD_CC)" + "HOSTCXX:=$(BUILD_CXX)" + ]; + + # Skip clean on darwin, case-sensitivity issues. + buildPhase = lib.optionalString (!stdenvNoCC.buildPlatform.isDarwin) '' + make mrproper $makeFlags + '' + # For some reason, doing `make install_headers` twice, first without + # INSTALL_HDR_PATH=$out then with, is neccessary to get this to work + # for darwin cross. @Ericson2314 has no idea why. + + '' + make headers_install $makeFlags + ''; + + checkPhase = '' + make headers_check $makeFlags + ''; + + installPhase = '' + make headers_install INSTALL_HDR_PATH=$out $makeFlags + '' + # Some builds (e.g. KVM) want a kernel.release. + + '' mkdir -p $out/include/config + echo "${version}-default" > $out/include/config/kernel.release + '' + # These oddly named file records teh `SHELL` passed, which causes bootstrap + # tools run-time dependency. + + '' + find "$out" -name '..install.cmd' -print0 | xargs -0 rm + ''; + + meta = with lib; { + description = "Header files and scripts for Linux kernel"; + license = licenses.gpl2; + platforms = platforms.linux; + }; + }; +in { + + linuxHeaders = common { + version = "4.18.3"; + sha256 = "1m23hjd02bg8mqnd8dc4z4m3kxds1cyrc6j5saiwnhzbz373rvc1"; + patches = [ + ./no-relocs.patch # for building x86 kernel headers on non-ELF platforms + ./no-dynamic-cc-version-check.patch # so we can use `stdenvNoCC`, see `makeFlags` above + ]; + }; +} diff --git a/nixpkgs/pkgs/os-specific/linux/kernel-headers/no-dynamic-cc-version-check.patch b/nixpkgs/pkgs/os-specific/linux/kernel-headers/no-dynamic-cc-version-check.patch new file mode 100644 index 000000000000..9b582cac7153 --- /dev/null +++ b/nixpkgs/pkgs/os-specific/linux/kernel-headers/no-dynamic-cc-version-check.patch @@ -0,0 +1,32 @@ +diff --git a/Makefile b/Makefile +index 863f58503bee..b778d5023208 100644 +--- a/Makefile ++++ b/Makefile +@@ -501,11 +501,9 @@ KBUILD_CFLAGS += $(call cc-option,-fno-PIE) + KBUILD_AFLAGS += $(call cc-option,-fno-PIE) + + # check for 'asm goto' +-ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) + CC_HAVE_ASM_GOTO := 1 + KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO + KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO +-endif + + # The expansion should be delayed until arch/$(SRCARCH)/Makefile is included. + # Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile. +diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include +index 065324a8046f..d09c67194549 100644 +--- a/scripts/Kbuild.include ++++ b/scripts/Kbuild.include +@@ -216,11 +216,8 @@ cc-disable-warning = $(call try-run-cached,\ + cc-name = $(call shell-cached,$(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc) + + # cc-version +-cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) + + # cc-fullversion +-cc-fullversion = $(shell $(CONFIG_SHELL) \ +- $(srctree)/scripts/gcc-version.sh -p $(CC)) + + # cc-ifversion + # Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1) diff --git a/nixpkgs/pkgs/os-specific/linux/kernel-headers/no-relocs.patch b/nixpkgs/pkgs/os-specific/linux/kernel-headers/no-relocs.patch new file mode 100644 index 000000000000..67e8b19e23bd --- /dev/null +++ b/nixpkgs/pkgs/os-specific/linux/kernel-headers/no-relocs.patch @@ -0,0 +1,13 @@ +diff --git a/arch/x86/Makefile b/arch/x86/Makefile +index fad55160dcb9..a48c8331cbb2 100644 +--- a/arch/x86/Makefile ++++ b/arch/x86/Makefile +@@ -239,7 +239,7 @@ ifdef CONFIG_RETPOLINE + endif + + archscripts: scripts_basic +- $(Q)$(MAKE) $(build)=arch/x86/tools relocs ++ $(Q)$(MAKE) $(build)=arch/x86/tools + + ### + # Syscall table generation |