The last hour or so I have been struggling with an “extern” definition using closurebuilder.py. When running the compiler manually, you specify externs like this:   java -jar compiler.jar […] –externs myexterns.js So, naturally, my command looked like this:   closurebuilder.py […] –compiler_flags="–externs myexterns.js" However, this resulted in the following error:   "–externs myexterns.js" is … Continue reading Specifying “externs” using closurebuilder.py