initial commit

support/musl-libs.nix

@@ -0,0 +1,30 @@
+{ pkgs, zig, name-target }:
+let
+  zigCC = "${zig}/bin/zig-cc-${name-target}";
+  zigAR = "${zig}/bin/zig-ar";
+  zigRANLIB = "${zig}/bin/zig-ranlib";
+
+  autotoolsHost = {
+    "amd64-linux" = "x86_64-linux-musl";
+    "arm64-linux" = "aarch64-linux-musl";
+  }.${name-target};
+
+  mkMuslLib = args: pkgs.stdenvNoCC.mkDerivation ({
+    nativeBuildInputs = [ zig pkgs.gnumake pkgs.binutils ] ++ (args.nativeBuildInputs or []);
+    dontFixup = true;
+    CC = zigCC;
+    AR = zigAR;
+    RANLIB = zigRANLIB;
+  } // builtins.removeAttrs args [ "nativeBuildInputs" ] // {
+    name = "${args.pname}-${name-target}";
+  });
+
+  ctx = {
+    inherit pkgs zigCC zigAR zigRANLIB autotoolsHost mkMuslLib;
+  };
+
+  libarchiveResult = import ./lib-libarchive.nix ctx;
+in {
+  inherit (libarchiveResult) libarchive;
+  allLibs = [ libarchiveResult.libarchive ] ++ libarchiveResult.allLibs;
+}