61 строка
1.6 KiB
Python
Executable File
61 строка
1.6 KiB
Python
Executable File
#!/usr/bin/env python
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'''
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emld - linker helper script
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===========================
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This script acts as a frontend replacement for the ld linker. See emcc.
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We could use the compiler code for this, but here we want to be careful to use all the linker flags we have been passed, sending them to ld.
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'''
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import os, subprocess, sys
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from tools import shared
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DEBUG = os.environ.get('EMCC_DEBUG')
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if DEBUG:
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print >> sys.stderr, 'emld:', sys.argv
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ALLOWED_LINK_ARGS = ['-f', '-help', '-o', '-print-after', '-print-after-all', '-print-before',
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'-print-before-all', '-time-passes', '-v', '-verify-dom-info', '-version' ]
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TWO_PART_DISALLOWED_LINK_ARGS = ['-L'] # Ignore thingsl like |-L .|
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# Check for specified target
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target = None
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for i in range(len(sys.argv)-1):
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if sys.argv[i].startswith('-o='):
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raise Exception('Invalid syntax: do not use -o=X, use -o X')
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if sys.argv[i] == '-o':
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target = sys.argv[i+1]
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sys.argv = sys.argv[:i] + sys.argv[i+2:]
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break
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call = shared.LLVM_LD
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newargs = ['-disable-opt']
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i = 0
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while i < len(sys.argv)-1:
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i += 1
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arg = sys.argv[i]
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if arg.startswith('-'):
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prefix = arg.split('=')[0]
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if prefix in ALLOWED_LINK_ARGS:
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newargs.append(arg)
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if arg in TWO_PART_DISALLOWED_LINK_ARGS:
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i += 1
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elif arg.endswith('.so'):
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continue # .so's do not exist yet, in many cases
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else:
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# not option, so just append
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newargs.append(arg)
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if target:
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actual_target = target
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if target.endswith('.js'):
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actual_target = unsuffixed(target) + '.bc'
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newargs.append('-o=' + actual_target)
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if DEBUG: print >> sys.stderr, "emld running:", call, ' '.join(newargs)
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subprocess.call([call] + newargs)
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