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9d75725eb8
MozReview-Commit-ID: 4QROlna5Cvg --HG-- extra : rebase_source : a13c7080a6ee445bf3d10248305a6eb88405c173
56 lines
2.2 KiB
Python
56 lines
2.2 KiB
Python
#!/usr/bin/env python
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# This script processes NSS .def files according to the rules defined in
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# a comment at the top of each one. The files are used to define the
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# exports from NSS shared libraries, with -DEFFILE on Windows, a linker
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# script on Linux, or with -exported_symbols_list on OS X.
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#
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# The NSS build system processes them using a series of sed replacements,
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# but the Mozilla build system is already running a Python script to generate
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# the file so it's simpler to just do the replacement in Python.
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#
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# One difference between the NSS build system and Mozilla's is that
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# Mozilla's supports building on Linux for Windows using MinGW. MinGW
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# expects all lines containing ;+ removed and all ;- tokens removed.
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import buildconfig
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def main(output, input):
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is_darwin = buildconfig.substs['OS_ARCH'] == 'Darwin'
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is_mingw = "WINNT" == buildconfig.substs['OS_ARCH'] and buildconfig.substs['GCC_USE_GNU_LD']
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with open(input, 'rb') as f:
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for line in f:
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line = line.rstrip()
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# On everything except MinGW, remove all lines containing ';-'
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if not is_mingw and ';-' in line:
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continue
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# On OS X, remove all lines containing ';+'
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if is_darwin and ';+' in line:
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continue
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# Remove the string ' DATA '.
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line = line.replace(' DATA ', '')
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# Remove the string ';+'
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if not is_mingw:
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line = line.replace(';+', '')
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# Remove the string ';;'
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line = line.replace(';;', '')
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# If a ';' is present, remove everything after it,
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# and on OS X, remove it as well.
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i = line.find(';')
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if i != -1:
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if is_darwin or is_mingw:
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line = line[:i]
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else:
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line = line[:i+1]
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# On OS X, symbols get an underscore in front.
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if line and is_darwin:
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output.write('_')
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output.write(line)
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output.write('\n')
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