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79 lines
2.0 KiB
Nix
79 lines
2.0 KiB
Nix
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{ native, arch, gcc_options ? "" }:
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let
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nixpkgs = native.nixpkgs;
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host = "${arch}-linux-musleabi";
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os = "linux";
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compiler = "gcc";
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exe_suffix = "";
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binutils = import ./binutils { inherit native host; };
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linux_arch =
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if arch == "i686" || arch == "x86_64" then "x86"
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else if arch == "armv6" || arch == "armv7" then "arm"
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else throw "not sure what Linux architecture code to use";
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headers = native.make_derivation rec {
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name = "linux-headers-${linux_arch}-${version}";
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inherit linux_arch;
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version = "4.4.10";
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src = nixpkgs.fetchurl {
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url = "https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-${version}.tar.xz";
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sha256 = "1kpjvvd9q9wwr3314q5ymvxii4dv2d27295bzly225wlc552xhja";
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};
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builder = ./headers_builder.sh;
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};
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gcc = import ./gcc {
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inherit native host binutils headers gcc_options;
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};
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license = native.make_derivation {
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name = "linux-license";
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inherit (gcc) musl_src gcc_src;
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linux_src = headers.src;
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builder = ./license_builder.sh;
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};
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global_license_set = { _global = license; };
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cmake_toolchain = import ../cmake_toolchain {
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cmake_system_name = "Linux";
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inherit nixpkgs host;
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};
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crossenv = {
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is_cross = true;
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# Build tools available on the PATH for every derivation.
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default_native_inputs = native.default_native_inputs ++
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[ gcc binutils native.pkgconf native.wrappers ];
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# Target info environment variables.
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inherit host arch os compiler exe_suffix;
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# CMake toolchain file.
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inherit cmake_toolchain;
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# A wide variety of programs and build tools.
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inherit nixpkgs;
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# Some native build tools made by nixcrpkgs.
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inherit native;
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# License information that should be shipped with any software
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# compiled by this environment.
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inherit global_license_set;
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# Make it easy to refer to the build tools.
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inherit headers gcc binutils;
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make_derivation = import ../make_derivation.nix crossenv;
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};
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in
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crossenv
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