1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/wasilibc/default.nix b/nixpkgs/pkgs/development/libraries/wasilibc/default.nix
new file mode 100644
index 000000000000..fb8c0e0fa215
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/wasilibc/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, fetchFromGitHub, lib }:
+
+stdenv.mkDerivation {
+  name = "wasilibc-20190712";
+  src = fetchFromGitHub {
+    owner = "CraneStation";
+    repo = "wasi-libc";
+    rev = "8df0d4cd6a559b58d4a34b738a5a766b567448cf";
+    sha256 = "1n4gvgzacpagar2mx8g9950q0brnhwz7jg2q44sa5mnjmlnkiqhh";
+  };
+  makeFlags = [
+    "WASM_CC=${stdenv.cc.targetPrefix}cc"
+    "WASM_NM=${stdenv.cc.targetPrefix}nm"
+    "WASM_AR=${stdenv.cc.targetPrefix}ar"
+    "INSTALL_DIR=${placeholder "out"}"
+  ];
+
+  postInstall = ''
+    mv $out/lib/*/* $out/lib
+    ln -s $out/share/wasm32-wasi/undefined-symbols.txt $out/lib/wasi.imports
+  '';
+
+  meta = {
+    description = "WASI libc implementation for WebAssembly";
+    homepage    = "https://wasi.dev";
+    platforms   = lib.platforms.wasi;
+    maintainers = [ lib.maintainers.matthewbauer ];
+  };
+}