Sun YangKai
41 lines
1.7 KiB
Nix
41 lines
1.7 KiB
Nix
{
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lib,
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stdenv,
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buildPackages,
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extraMakeFlags ? [ ],
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}:
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# Absolute paths for compilers avoid any PATH-clobbering issues.
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[
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#
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# We use the unwrapped compiler, because the clang-wrapper doesn't like -target.
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"CC=${lib.getExe stdenv.cc.cc}"
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# The wrapper for ld.lld breaks linking the kernel. We use the unwrapped linker as workaround. See:
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# https://github.com/NixOS/nixpkgs/issues/321667
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"LD=${lib.getExe' stdenv.cc.bintools.bintools "${stdenv.cc.targetPrefix}ld"}"
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"AR=${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}ar"}"
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"NM=${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}nm"}"
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"STRIP=${lib.getExe' stdenv.cc.bintools.bintools "${stdenv.cc.targetPrefix}strip"}"
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"OBJCOPY=${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}objcopy"}"
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"OBJDUMP=${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}objdump"}"
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"READELF=${lib.getExe' stdenv.cc "${stdenv.cc.targetPrefix}readelf"}"
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"HOSTCC=${lib.getExe' buildPackages.stdenv.cc "${buildPackages.stdenv.cc.targetPrefix}cc"}"
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"HOSTCXX=${lib.getExe' buildPackages.stdenv.cc "${buildPackages.stdenv.cc.targetPrefix}c++"}"
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"HOSTAR=${lib.getExe' buildPackages.stdenv.cc.bintools "${buildPackages.stdenv.cc.targetPrefix}ar"}"
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"HOSTLD=${lib.getExe' buildPackages.stdenv.cc.bintools "${buildPackages.stdenv.cc.targetPrefix}ld"}"
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"ARCH=${stdenv.hostPlatform.linuxArch}"
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"CROSS_COMPILE=${stdenv.cc.targetPrefix}"
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]
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# Add the built in headers the kernel needs
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++ lib.optionals (stdenv.cc.isClang) (
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let
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clangLib = lib.getLib stdenv.cc.cc;
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majorVer = lib.versions.major clangLib.version;
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in
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[
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"CFLAGS_MODULE=-I${clangLib}/lib/clang/${majorVer}/include"
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"CFLAGS_KERNEL=-I${clangLib}/lib/clang/${majorVer}/include"
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]
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)
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++ (stdenv.hostPlatform.linux-kernel.makeFlags or [ ])
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++ extraMakeFlags
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