emscripten, emscriptenfastcomp: 1.36.4 -> 1.37.1

pkgs/development/compilers/emscripten/default.nix

@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, emscriptenfastcomp, python, nodejs, closurecompiler, jre }:
 
 let
-  rev = "1.36.4";
+  rev = "1.37.1";
   appdir = "share/emscripten";
 in
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   src = fetchFromGitHub {
     owner = "kripken";
     repo = "emscripten";
-    sha256 = "1c9592i891z1v9rp4a4lnsp14nwiqfxnh37g6xwwjd1bqx7x4hn7";
+    sha256 = "0xl8lv0ihxsnwnhma3i34pkbz0v1yyc93ac6mdqmzv6fx2wczm04";
     inherit rev;
   };
 
@@ -23,6 +23,8 @@ stdenv.mkDerivation {
     sed -i -e "s,EM_CONFIG = '~/.emscripten',EM_CONFIG = '$out/${appdir}/config'," $out/${appdir}/tools/shared.py
     sed -i -e 's,^.*did not see a source tree above the LLVM.*$,      return True,' $out/${appdir}/tools/shared.py
     sed -i -e 's,def check_sanity(force=False):,def check_sanity(force=False):\n  return,' $out/${appdir}/tools/shared.py
+    # fixes cmake support
+    sed -i -e "s/print \('emcc (Emscript.*\)/sys.stderr.write(\1); sys.stderr.flush()/g" $out/${appdir}/emcc.py
     mkdir $out/bin
     ln -s $out/${appdir}/{em++,em-config,emar,embuilder.py,emcc,emcmake,emconfigure,emlink.py,emmake,emranlib,emrun,emscons} $out/bin