1 files changed, 89 insertions, 0 deletions
diff --git a/infra/libkookie/nixpkgs/lib/systems/doubles.nix b/infra/libkookie/nixpkgs/lib/systems/doubles.nix
new file mode 100644
index 000000000000..b0bc7dd1188a
--- /dev/null
+++ b/infra/libkookie/nixpkgs/lib/systems/doubles.nix
@@ -0,0 +1,89 @@
+{ lib }:
+let
+  inherit (lib) lists;
+  inherit (lib.systems) parse;
+  inherit (lib.systems.inspect) predicates;
+  inherit (lib.attrsets) matchAttrs;
+
+  all = [
+    "aarch64-linux"
+    "armv5tel-linux" "armv6l-linux" "armv7a-linux" "armv7l-linux"
+
+    "mipsel-linux"
+
+    "i686-cygwin" "i686-freebsd" "i686-linux" "i686-netbsd" "i686-openbsd"
+
+    "x86_64-cygwin" "x86_64-freebsd" "x86_64-linux"
+    "x86_64-netbsd" "x86_64-openbsd" "x86_64-solaris"
+
+    "x86_64-darwin" "i686-darwin" "aarch64-darwin" "armv7a-darwin"
+
+    "x86_64-windows" "i686-windows"
+
+    "wasm64-wasi" "wasm32-wasi"
+
+    "x86_64-redox"
+
+    "powerpc64le-linux"
+
+    "riscv32-linux" "riscv64-linux"
+
+    "arm-none" "armv6l-none" "aarch64-none"
+    "avr-none"
+    "i686-none" "x86_64-none"
+    "powerpc-none"
+    "msp430-none"
+    "riscv64-none" "riscv32-none"
+    "vc4-none"
+    "or1k-none"
+
+    "mmix-mmixware"
+
+    "js-ghcjs"
+
+    "aarch64-genode" "i686-genode" "x86_64-genode"
+  ];
+
+  allParsed = map parse.mkSystemFromString all;
+
+  filterDoubles = f: map parse.doubleFromSystem (lists.filter f allParsed);
+
+in {
+  inherit all;
+
+  none = [];
+
+  arm           = filterDoubles predicates.isAarch32;
+  aarch64       = filterDoubles predicates.isAarch64;
+  x86           = filterDoubles predicates.isx86;
+  i686          = filterDoubles predicates.isi686;
+  x86_64        = filterDoubles predicates.isx86_64;
+  mips          = filterDoubles predicates.isMips;
+  mmix          = filterDoubles predicates.isMmix;
+  riscv         = filterDoubles predicates.isRiscV;
+  vc4           = filterDoubles predicates.isVc4;
+  or1k          = filterDoubles predicates.isOr1k;
+  js            = filterDoubles predicates.isJavaScript;
+
+  bigEndian     = filterDoubles predicates.isBigEndian;
+  littleEndian  = filterDoubles predicates.isLittleEndian;
+
+  cygwin        = filterDoubles predicates.isCygwin;
+  darwin        = filterDoubles predicates.isDarwin;
+  freebsd       = filterDoubles predicates.isFreeBSD;
+  # Should be better, but MinGW is unclear.
+  gnu           = filterDoubles (matchAttrs { kernel = parse.kernels.linux; abi = parse.abis.gnu; }) ++ filterDoubles (matchAttrs { kernel = parse.kernels.linux; abi = parse.abis.gnueabi; }) ++ filterDoubles (matchAttrs { kernel = parse.kernels.linux; abi = parse.abis.gnueabihf; });
+  illumos       = filterDoubles predicates.isSunOS;
+  linux         = filterDoubles predicates.isLinux;
+  netbsd        = filterDoubles predicates.isNetBSD;
+  openbsd       = filterDoubles predicates.isOpenBSD;
+  unix          = filterDoubles predicates.isUnix;
+  wasi          = filterDoubles predicates.isWasi;
+  redox         = filterDoubles predicates.isRedox;
+  windows       = filterDoubles predicates.isWindows;
+  genode        = filterDoubles predicates.isGenode;
+
+  embedded      = filterDoubles predicates.isNone;
+
+  mesaPlatforms = ["i686-linux" "x86_64-linux" "x86_64-darwin" "armv5tel-linux" "armv6l-linux" "armv7l-linux" "armv7a-linux" "aarch64-linux" "powerpc64le-linux"];
+}