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Revision 6cb7b79fcba7e44be39e015c098d06215c0a6f53 authored by Derek Schuff on 01 November 2016, 17:14:31 UTC, committed by Derek Schuff on 01 November 2016, 17:14:31 UTC 
Add extra nodeJS check when running the JS optimizer
 
PR4608 integrated the JS engine checks with the jsrun code to run JS
engines but it turns out that the JS optimizer doesn't even use that
common code. So add an extra check if the JS optimizer runs to give a
more useful error message.
1 parent a28973d
Raw File
emar.py 
#!/usr/bin/env python2

'''
emar - ar helper script
=======================

This script acts as a frontend replacement for ar. See emcc.
'''

from tools.toolchain_profiler import ToolchainProfiler

import os, subprocess, sys
from tools import shared

#
# Main run() function
#
def run():
  DEBUG = os.environ.get('EMCC_DEBUG')
  if DEBUG == "0":
    DEBUG = None

  newargs = [shared.LLVM_AR] + sys.argv[1:]

  if DEBUG:
    print >> sys.stderr, 'emar:', sys.argv, '  ==>  ', newargs

  if len(newargs) > 2:
    to_delete = []
    if 'r' in newargs[1]:
      # we are adding files to the archive.
      # find the .a; everything after it is an input file.
      # we add a hash to each input, to make them unique as
      # possible, as llvm-ar cannot extract duplicate names
      # (and only the basename is used!)
      i = 1
      while i < len(newargs):
        if newargs[i].endswith('.a'):
          import hashlib, shutil
          for j in range(i+1, len(newargs)):
            orig_name = newargs[j]
            full_name = os.path.abspath(orig_name)
            dir_name = os.path.dirname(full_name)
            base_name = os.path.basename(full_name)
            h = hashlib.md5(full_name).hexdigest()[:8]
            parts = base_name.split('.')
            parts[0] += '_' + h
            newname = '.'.join(parts)
            full_newname = os.path.join(dir_name, newname)
            if not os.path.exists(full_newname):
              try: # it is ok to fail here, we just don't get hashing
                shutil.copyfile(orig_name, full_newname)
                newargs[j] = full_newname
                to_delete.append(full_newname)
              except:
                pass
          break
        i += 1
    subprocess.call(newargs)
    for d in to_delete:
      shared.try_delete(d)

if __name__ == '__main__':
  ToolchainProfiler.record_process_start()
  run()
  sys.exit(0)
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