{ lib }: let inherit (lib) lists; parse = import ./parse.nix { inherit lib; }; inherit (import ./inspect.nix { inherit lib; }) predicates; inherit (lib.attrsets) matchAttrs; all = [ "aarch64-linux" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "mips64el-linux" "i686-cygwin" "i686-freebsd" "i686-linux" "i686-netbsd" "i686-openbsd" "x86_64-cygwin" "x86_64-darwin" "x86_64-freebsd" "x86_64-linux" "x86_64-netbsd" "x86_64-openbsd" "x86_64-solaris" ]; allParsed = map parse.mkSystemFromString all; filterDoubles = f: map parse.doubleFromSystem (lists.filter f allParsed); in rec { inherit all; allBut = platforms: lists.filter (x: !(builtins.elem x platforms)) all; none = []; arm = filterDoubles predicates.isArm; i686 = filterDoubles predicates.isi686; mips = filterDoubles predicates.isMips; x86_64 = filterDoubles predicates.isx86_64; cygwin = filterDoubles predicates.isCygwin; darwin = filterDoubles predicates.isDarwin; freebsd = filterDoubles predicates.isFreeBSD; # Should be better, but MinGW is unclear, and HURD is bit-rotted. gnu = filterDoubles (matchAttrs { kernel = parse.kernels.linux; abi = parse.abis.gnu; }); illumos = filterDoubles predicates.isSunOS; linux = filterDoubles predicates.isLinux; netbsd = filterDoubles predicates.isNetBSD; openbsd = filterDoubles predicates.isOpenBSD; unix = filterDoubles predicates.isUnix; mesaPlatforms = ["i686-linux" "x86_64-linux" "x86_64-darwin" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "aarch64-linux"]; }