I'm building a large project that is the combination of several libraries. 
Currently, I'm exporting every public API in all of the included libraries 
by adding the C attribute "used" in my wrapper API, e.g. "int 
__attribute__((used, noinline)) getFoo()". 

I want to reduce the size of the final output by statically analyzing the 
API's that are actually being used by my application and pass them in as 
EXPORTED_FUNCTIONS. I hoped that by passing a file reference, I could still 
include a large number of functions to export. Any suggestions for where to 
go from here?

Traceback (most recent call last):

  File "/emsdk_portable/emscripten/master/emcc", line 1260, in <module>

    shared.Building.llvm_opt(final, link_opts)

  File "/emsdk_portable/emscripten/master/tools/shared.py", line 1428, in 
llvm_opt

    output = Popen([LLVM_OPT, filename] + opts + ['-o', target], 
stdout=PIPE).communicate()[0]

  File 
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py",
 
line 709, in __init__

    errread, errwrite)

  File 
"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py",
 
line 1326, in _execute_child

    raise child_exception

OSError: [Errno 7] Argument list too long

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