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Detect and configure JavaScript build per Emscripten configuration file

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This commit is contained in:
Leon Krause 2018-03-28 06:10:11 +02:00
parent 4b4ed9b724
commit 5be7c3dcee
1 changed files with 15 additions and 5 deletions
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20
platform/javascript/detect.py
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@ -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++'