diff options
| -rw-r--r-- | platform/javascript/detect.py | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py index 851f4ecb49..be1866987a 100644 --- a/platform/javascript/detect.py +++ b/platform/javascript/detect.py @@ -12,7 +12,7 @@ def get_name(): def can_build(): - return 'EMSCRIPTEN_ROOT' in os.environ or 'EMSCRIPTEN' in os.environ + return 'EM_CONFIG' in os.environ or os.path.exists(os.path.expanduser('~/.emscripten')) def get_opts(): @@ -67,10 +67,20 @@ def configure(env): ## Compiler configuration env['ENV'] = os.environ - if 'EMSCRIPTEN_ROOT' in os.environ: - env.PrependENVPath('PATH', os.environ['EMSCRIPTEN_ROOT']) - elif 'EMSCRIPTEN' in os.environ: - env.PrependENVPath('PATH', os.environ['EMSCRIPTEN']) + + em_config_file = os.getenv('EM_CONFIG') or os.path.expanduser('~/.emscripten') + if not os.path.exists(em_config_file): + raise RuntimeError("Emscripten configuration file '%s' does not exist" % em_config_file) + with open(em_config_file) as f: + em_config = {} + try: + # Emscripten configuration file is a Python file with simple assignments. + exec(f.read(), em_config) + except StandardError as e: + raise RuntimeError("Emscripten configuration file '%s' is invalid:\n%s" % (em_config_file, e)) + if 'EMSCRIPTEN_ROOT' not in em_config: + raise RuntimeError("'EMSCRIPTEN_ROOT' missing in Emscripten configuration file '%s'" % em_config_file) + env.PrependENVPath('PATH', em_config['EMSCRIPTEN_ROOT']) env['CC'] = 'emcc' env['CXX'] = 'em++' |