1 files changed, 42 insertions, 0 deletions
diff --git a/pkgs/development/compilers/emscripten-fastcomp/default.nix b/pkgs/development/compilers/emscripten-fastcomp/default.nix
new file mode 100644
index 00000000000..3eb9aef528c
--- /dev/null
+++ b/pkgs/development/compilers/emscripten-fastcomp/default.nix
@@ -0,0 +1,42 @@
+{ stdenv, fetchgit, python }:
+
+let
+  tag = "1.21.0";
+in
+
+stdenv.mkDerivation rec {
+  name = "emscripten-fastcomp-${tag}";
+
+  srcFC = fetchgit {
+    url = git://github.com/kripken/emscripten-fastcomp;
+    rev = "refs/tags/${tag}";
+    sha256 = "0mcxzg2cfg0s1vfm3bh1ar4xsddb6xkv1dsdbgnpx38lbj1mvfs1";
+  };
+
+  srcFL = fetchgit {
+    url = git://github.com/kripken/emscripten-fastcomp-clang;
+    rev = "refs/tags/${tag}";
+    sha256 = "0s2jcn36d236cfpryjpgaazjp3cg83d0h78g6kk1j6vdppv3vgnp";
+  };
+
+  buildInputs = [ python ];
+  buildCommand = ''
+    cp -as ${srcFC} $TMPDIR/src
+    chmod +w $TMPDIR/src/tools
+    cp -as ${srcFL} $TMPDIR/src/tools/clang
+
+    chmod +w $TMPDIR/src
+    mkdir $TMPDIR/src/build
+    cd $TMPDIR/src/build
+
+    ../configure --enable-optimized --disable-assertions --enable-targets=host,js
+    make
+    cp -a Release/bin $out
+  '';
+  meta = with stdenv.lib; {
+    homepage = https://github.com/kripken/emscripten-fastcomp;
+    description = "emscripten llvm";
+    maintainers = with maintainers; [ bosu ];
+    license = "University of Illinois/NCSA Open Source License";
+  };
+}