[NaCL SDK] Add initial support for nacl-clang

native_client_sdk/src/build_tools/build_projects.py

Index: native_client_sdk/src/build_tools/build_projects.py
diff --git a/native_client_sdk/src/build_tools/build_projects.py b/native_client_sdk/src/build_tools/build_projects.py
index b25d7b75e9420746318765313f6c08e3e5cdee82..bd49ccc9527e40f6d93593a86f25ba2abb1b2737 100755
--- a/native_client_sdk/src/build_tools/build_projects.py
+++ b/native_client_sdk/src/build_tools/build_projects.py
@@ -32,6 +32,7 @@ LIB_DICT = {
 VALID_TOOLCHAINS = [
   'bionic',
   'newlib',
+  'clang-newlib',
   'glibc',
   'pnacl',
   'win',
@@ -99,6 +100,7 @@ def ValidateToolchains(toolchains):
     buildbot_common.ErrorExit('Invalid toolchain(s): %s' % (
         ', '.join(invalid_toolchains)))
 
+
 def GetDeps(projects):
   out = {}
 
@@ -298,7 +300,7 @@ def main(args):
     # be the first toolchain in this list that is available in the example.
     # e.g. If an example supports newlib and glibc, then the default will be
     # newlib.
-    options.toolchain = ['pnacl', 'newlib', 'glibc', 'host']
+    options.toolchain = ['pnacl', 'newlib', 'glibc', 'host', 'clang-newlib']
     if options.experimental or options.bionic:
       options.toolchain.append('bionic')