Use emsdk on travis for CI

.travis.yml

@@ -0,0 +1,14 @@
+sudo: required
+
+services:
+  - docker
+
+before_install:
+  - docker pull ubuntu:16.04
+
+script:
+- docker build .
+
+notifications:
+  email: false
+

Dockerfile

@@ -0,0 +1,14 @@
+# For travis
+FROM ubuntu:16.04
+RUN apt-get update \
+ && apt-get install -y python wget \
+ && wget https://s3.amazonaws.com/mozilla-games/emscripten/releases/emsdk-portable.tar.gz \
+ && tar -xvf emsdk-portable.tar.gz \
+ && cd emsdk-portable \
+ && ./emsdk update \
+ && ./emsdk install latest \
+ && ./emsdk activate latest \
+ && cd .. \
+ &&./emcc \
+ && python tests/runner.py test_hello_world
+

tools/shared.py

@@ -369,7 +369,7 @@ def get_llc_targets():
     pre, targets = llc_version_info.split('Registered Targets:')
     return targets
   except Exception, e:
-    return '(no targets could be identified: ' + str(e) + ')'
+    return '(no targets could be identified: ' + llc_version_info + ' : ' + str(e) + ')'
 
 def has_asm_js_target(targets):
   return 'js' in targets and 'JavaScript (asm.js, emscripten) backend' in targets