170 lines
6.9 KiB
Nix
170 lines
6.9 KiB
Nix
{ lib }:
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let
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inherit (lib)
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any
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attrValues
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concatMap
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filter
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hasPrefix
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isList
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mapAttrs
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matchAttrs
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recursiveUpdateUntil
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toList
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;
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inherit (lib.strings) toJSON;
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inherit (lib.systems.parse)
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kernels
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kernelFamilies
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significantBytes
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cpuTypes
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execFormats
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;
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abis = mapAttrs (_: abi: removeAttrs abi [ "assertions" ]) lib.systems.parse.abis;
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in
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rec {
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# these patterns are to be matched against {host,build,target}Platform.parsed
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patterns = rec {
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# The patterns below are lists in sum-of-products form.
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#
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# Each attribute is list of product conditions; non-list values are treated
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# as a singleton list. If *any* product condition in the list matches then
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# the predicate matches. Each product condition is tested by
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# `lib.attrsets.matchAttrs`, which requires a match on *all* attributes of
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# the product.
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isi686 = { cpu = cpuTypes.i686; };
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isx86_32 = { cpu = { family = "x86"; bits = 32; }; };
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isx86_64 = { cpu = { family = "x86"; bits = 64; }; };
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isPower = { cpu = { family = "power"; }; };
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isPower64 = { cpu = { family = "power"; bits = 64; }; };
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# This ABI is the default in NixOS PowerPC64 BE, but not on mainline GCC,
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# so it sometimes causes issues in certain packages that makes the wrong
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# assumption on the used ABI.
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isAbiElfv2 = [
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{ abi = { abi = "elfv2"; }; }
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{ abi = { name = "musl"; }; cpu = { family = "power"; bits = 64; }; }
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];
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isx86 = { cpu = { family = "x86"; }; };
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isAarch32 = { cpu = { family = "arm"; bits = 32; }; };
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isArmv7 = map ({ arch, ... }: { cpu = { inherit arch; }; })
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(filter (cpu: hasPrefix "armv7" cpu.arch or "")
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(attrValues cpuTypes));
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isAarch64 = { cpu = { family = "arm"; bits = 64; }; };
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isAarch = { cpu = { family = "arm"; }; };
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isMicroBlaze = { cpu = { family = "microblaze"; }; };
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isMips = { cpu = { family = "mips"; }; };
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isMips32 = { cpu = { family = "mips"; bits = 32; }; };
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isMips64 = { cpu = { family = "mips"; bits = 64; }; };
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isMips64n32 = { cpu = { family = "mips"; bits = 64; }; abi = { abi = "n32"; }; };
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isMips64n64 = { cpu = { family = "mips"; bits = 64; }; abi = { abi = "64"; }; };
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isMmix = { cpu = { family = "mmix"; }; };
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isRiscV = { cpu = { family = "riscv"; }; };
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isRiscV32 = { cpu = { family = "riscv"; bits = 32; }; };
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isRiscV64 = { cpu = { family = "riscv"; bits = 64; }; };
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isRx = { cpu = { family = "rx"; }; };
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isSparc = { cpu = { family = "sparc"; }; };
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isSparc64 = { cpu = { family = "sparc"; bits = 64; }; };
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isWasm = { cpu = { family = "wasm"; }; };
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isMsp430 = { cpu = { family = "msp430"; }; };
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isVc4 = { cpu = { family = "vc4"; }; };
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isAvr = { cpu = { family = "avr"; }; };
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isAlpha = { cpu = { family = "alpha"; }; };
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isOr1k = { cpu = { family = "or1k"; }; };
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isM68k = { cpu = { family = "m68k"; }; };
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isS390 = { cpu = { family = "s390"; }; };
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isS390x = { cpu = { family = "s390"; bits = 64; }; };
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isLoongArch64 = { cpu = { family = "loongarch"; bits = 64; }; };
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isJavaScript = { cpu = cpuTypes.javascript; };
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is32bit = { cpu = { bits = 32; }; };
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is64bit = { cpu = { bits = 64; }; };
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isILP32 = [ { cpu = { family = "wasm"; bits = 32; }; } ] ++
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map (a: { abi = { abi = a; }; }) [ "n32" "ilp32" "x32" ];
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isBigEndian = { cpu = { significantByte = significantBytes.bigEndian; }; };
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isLittleEndian = { cpu = { significantByte = significantBytes.littleEndian; }; };
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isBSD = { kernel = { families = { inherit (kernelFamilies) bsd; }; }; };
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isDarwin = { kernel = { families = { inherit (kernelFamilies) darwin; }; }; };
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isUnix = [ isBSD isDarwin isLinux isSunOS isCygwin isRedox ];
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isMacOS = { kernel = kernels.macos; };
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isiOS = { kernel = kernels.ios; };
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isLinux = { kernel = kernels.linux; };
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isSunOS = { kernel = kernels.solaris; };
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isFreeBSD = { kernel = { name = "freebsd"; }; };
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isNetBSD = { kernel = kernels.netbsd; };
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isOpenBSD = { kernel = kernels.openbsd; };
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isWindows = { kernel = kernels.windows; };
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isCygwin = { kernel = kernels.windows; abi = abis.cygnus; };
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isMinGW = { kernel = kernels.windows; abi = abis.gnu; };
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isWasi = { kernel = kernels.wasi; };
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isRedox = { kernel = kernels.redox; };
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isGhcjs = { kernel = kernels.ghcjs; };
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isGenode = { kernel = kernels.genode; };
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isNone = { kernel = kernels.none; };
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isAndroid = [ { abi = abis.android; } { abi = abis.androideabi; } ];
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isGnu = with abis; map (a: { abi = a; }) [ gnuabi64 gnuabin32 gnu gnueabi gnueabihf gnuabielfv1 gnuabielfv2 ];
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isMusl = with abis; map (a: { abi = a; }) [ musl musleabi musleabihf muslabin32 muslabi64 ];
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isUClibc = with abis; map (a: { abi = a; }) [ uclibc uclibceabi uclibceabihf ];
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isEfi = [
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{ cpu = { family = "arm"; version = "6"; }; }
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{ cpu = { family = "arm"; version = "7"; }; }
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{ cpu = { family = "arm"; version = "8"; }; }
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{ cpu = { family = "riscv"; }; }
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{ cpu = { family = "x86"; }; }
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];
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isElf = { kernel.execFormat = execFormats.elf; };
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isMacho = { kernel.execFormat = execFormats.macho; };
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};
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# given two patterns, return a pattern which is their logical AND.
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# Since a pattern is a list-of-disjuncts, this needs to
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patternLogicalAnd = pat1_: pat2_:
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let
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# patterns can be either a list or a (bare) singleton; turn
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# them into singletons for uniform handling
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pat1 = toList pat1_;
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pat2 = toList pat2_;
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in
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concatMap (attr1:
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map (attr2:
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recursiveUpdateUntil
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(path: subattr1: subattr2:
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if (builtins.intersectAttrs subattr1 subattr2) == {} || subattr1 == subattr2
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then true
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else throw ''
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pattern conflict at path ${toString path}:
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${toJSON subattr1}
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${toJSON subattr2}
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'')
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attr1
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attr2
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)
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pat2)
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pat1;
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matchAnyAttrs = patterns:
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if isList patterns then attrs: any (pattern: matchAttrs pattern attrs) patterns
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else matchAttrs patterns;
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predicates = mapAttrs (_: matchAnyAttrs) patterns;
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# these patterns are to be matched against the entire
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# {host,build,target}Platform structure; they include a `parsed={}` marker so
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# that `lib.meta.availableOn` can distinguish them from the patterns which
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# apply only to the `parsed` field.
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platformPatterns = mapAttrs (_: p: { parsed = {}; } // p) {
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isStatic = { isStatic = true; };
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};
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}
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