mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 00:02:13 +00:00
78128bddda
I hate tabs. This replaces all tabs in all source files with spaces. The only exception is old-makefile. The replacement was made by running the GNU coreutils "expand" command on every file. Since the replacement was automatic, it's possible that some formatting was destroyed (but perhaps only if it was assuming that the end of a tab does not correspond to aligning the end to multiples of 8 spaces).
86 lines
4.0 KiB
Python
86 lines
4.0 KiB
Python
#! /usr/bin/env python
|
|
# encoding: utf-8
|
|
# Source: waflib/extras/syms.py from waf git 610d0d59f (New BSD License)
|
|
|
|
"""
|
|
this tool supports the export_symbols_regex to export the symbols in a shared library.
|
|
by default, all symbols are exported by gcc, and nothing by msvc.
|
|
to use the tool, do something like:
|
|
|
|
def build(ctx):
|
|
ctx(features='c cshlib syms', source='a.c b.c', export_symbols_regex='mylib_.*', target='testlib')
|
|
|
|
only the symbols starting with 'mylib_' will be exported.
|
|
"""
|
|
|
|
import os
|
|
import re
|
|
from waflib.Context import STDOUT
|
|
from waflib.Task import Task
|
|
from waflib.Errors import WafError
|
|
from waflib.TaskGen import feature, after_method
|
|
|
|
class gen_sym(Task):
|
|
def run(self):
|
|
obj = self.inputs[0]
|
|
kw = {}
|
|
if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME):
|
|
re_nm = re.compile(r'External\s+\|\s+_(' + self.generator.export_symbols_regex + r')\b')
|
|
cmd = [self.env.DUMPBIN or 'dumpbin', '/symbols', obj.abspath()]
|
|
|
|
# Dumpbin requires custom environment sniffed out by msvc.py earlier
|
|
if self.env['PATH']:
|
|
env = dict(self.env.env or os.environ)
|
|
env.update(PATH = os.pathsep.join(self.env['PATH']))
|
|
kw['env'] = env
|
|
|
|
else:
|
|
if self.env.DEST_BINFMT in ('pe', 'mac-o'): #gcc uses nm, and has a preceding _ on windows and osx
|
|
re_nm = re.compile(r'T\s+_(' + self.generator.export_symbols_regex + r')\b')
|
|
else:
|
|
re_nm = re.compile(r'T\s+(' + self.generator.export_symbols_regex + r')\b')
|
|
cmd = [self.env.NM or 'nm', '-g', obj.abspath()]
|
|
syms = re_nm.findall(self.generator.bld.cmd_and_log(cmd, quiet=STDOUT, **kw))
|
|
self.outputs[0].write('%r' % syms)
|
|
|
|
class compile_sym(Task):
|
|
def run(self):
|
|
syms = {}
|
|
for x in self.inputs:
|
|
slist = eval(x.read())
|
|
for s in slist:
|
|
syms[s] = 1
|
|
lsyms = list(syms.keys())
|
|
lsyms.sort()
|
|
if self.env.DEST_BINFMT == 'pe':
|
|
self.outputs[0].write('EXPORTS\n' + '\n'.join(lsyms))
|
|
elif self.env.DEST_BINFMT == 'elf':
|
|
self.outputs[0].write('{ global:\n' + ';\n'.join(lsyms) + ";\nlocal: *; };\n")
|
|
elif self.env.DEST_BINFMT == 'mac-o':
|
|
self.outputs[0].write('\n'.join("_"+sym for sym in lsyms))
|
|
else:
|
|
raise WafError('NotImplemented')
|
|
|
|
@feature('syms')
|
|
@after_method('process_source', 'process_use', 'apply_link', 'process_uselib_local')
|
|
def do_the_symbol_stuff(self):
|
|
ins = [x.outputs[0] for x in self.compiled_tasks]
|
|
self.gen_sym_tasks = [self.create_task('gen_sym', x, x.change_ext('.%d.sym' % self.idx)) for x in ins]
|
|
|
|
tsk = self.create_task('compile_sym',
|
|
[x.outputs[0] for x in self.gen_sym_tasks],
|
|
self.path.find_or_declare(getattr(self, 'sym_filename', self.target + '.def')))
|
|
self.link_task.set_run_after(tsk)
|
|
self.link_task.dep_nodes.append(tsk.outputs[0])
|
|
if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME):
|
|
self.link_task.env.append_value('LINKFLAGS', ['/def:' + tsk.outputs[0].bldpath()])
|
|
elif self.env.DEST_BINFMT == 'pe': #gcc on windows takes *.def as an additional input
|
|
self.link_task.inputs.append(tsk.outputs[0])
|
|
elif self.env.DEST_BINFMT == 'elf':
|
|
self.link_task.env.append_value('LINKFLAGS', ['-Wl,-version-script', '-Wl,' + tsk.outputs[0].bldpath()])
|
|
elif self.env.DEST_BINFMT == 'mac-o':
|
|
self.link_task.env.append_value('LINKFLAGS', ['-exported_symbols_list', tsk.outputs[0].bldpath()])
|
|
else:
|
|
raise WafError('NotImplemented')
|
|
|