diff options
Diffstat (limited to 'third_party/waf/waflib/extras/syms.py')
| -rw-r--r-- | third_party/waf/waflib/extras/syms.py | 70 |
1 files changed, 36 insertions, 34 deletions
diff --git a/third_party/waf/waflib/extras/syms.py b/third_party/waf/waflib/extras/syms.py index d2efd993452..05fff9f59a2 100644 --- a/third_party/waf/waflib/extras/syms.py +++ b/third_party/waf/waflib/extras/syms.py @@ -1,8 +1,12 @@ #! /usr/bin/env python # encoding: utf-8 +# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file + +#! /usr/bin/env python +# encoding: utf-8 """ -this tool supports the export_symbols_regex to export the symbols in a shared library. +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: @@ -12,7 +16,6 @@ def build(ctx): only the symbols starting with 'mylib_' will be exported. """ -import os import re from waflib.Context import STDOUT from waflib.Task import Task @@ -23,26 +26,20 @@ 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') + reg = getattr(self.generator, 'export_symbols_regex', '.+?') + if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME): + re_nm = re.compile(r'External\s+\|\s+_(?P<symbol>%s)\b' % reg) 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 == 'pe': #gcc uses nm, and has a preceding _ on windows - re_nm = re.compile(r'T\s+_(' + self.generator.export_symbols_regex + r')\b') + re_nm = re.compile(r'(T|D)\s+_(?P<symbol>%s)\b' % reg) elif self.env.DEST_BINFMT=='mac-o': - re_nm=re.compile(r'T\s+(_?'+self.generator.export_symbols_regex+r')\b') + re_nm=re.compile(r'(T|D)\s+(?P<symbol>_?%s)\b' % reg) else: - re_nm = re.compile(r'T\s+(' + self.generator.export_symbols_regex + r')\b') - cmd = [self.env.NM[0] or 'nm', '-g', obj.abspath()] - syms = re_nm.findall(self.generator.bld.cmd_and_log(cmd, quiet=STDOUT, **kw)) + re_nm = re.compile(r'(T|D)\s+(?P<symbol>%s)\b' % reg) + cmd = (self.env.NM or ['nm']) + ['-g', obj.abspath()] + syms = [m.group('symbol') for m in re_nm.finditer(self.generator.bld.cmd_and_log(cmd, quiet=STDOUT, **kw))] self.outputs[0].write('%r' % syms) class compile_sym(Task): @@ -64,23 +61,28 @@ class compile_sym(Task): raise WafError('NotImplemented') @feature('syms') -@after_method('process_source', 'process_use', 'apply_link', 'process_uselib_local') +@after_method('process_source', 'process_use', 'apply_link', 'process_uselib_local', 'propagate_uselib_vars') 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] + def_node = self.path.find_or_declare(getattr(self, 'sym_file', self.target + '.def')) + compiled_tasks = getattr(self, 'compiled_tasks', None) + if compiled_tasks: + ins = [x.outputs[0] for x in compiled_tasks] + self.gen_sym_tasks = [self.create_task('gen_sym', x, x.change_ext('.%d.sym' % self.idx)) for x in ins] + self.create_task('compile_sym', [x.outputs[0] for x in self.gen_sym_tasks], def_node) + + link_task = getattr(self, 'link_task', None) + if link_task: + self.link_task.dep_nodes.append(def_node) + + if 'msvc' in (self.env.CC_NAME, self.env.CXX_NAME): + self.link_task.env.append_value('LINKFLAGS', ['/def:' + def_node.bldpath()]) + elif self.env.DEST_BINFMT == 'pe': + # gcc on windows takes *.def as an additional input + self.link_task.inputs.append(def_node) + elif self.env.DEST_BINFMT == 'elf': + self.link_task.env.append_value('LINKFLAGS', ['-Wl,-version-script', '-Wl,' + def_node.bldpath()]) + elif self.env.DEST_BINFMT=='mac-o': + self.link_task.env.append_value('LINKFLAGS',['-Wl,-exported_symbols_list,' + def_node.bldpath()]) + else: + raise WafError('NotImplemented') - 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',['-Wl,-exported_symbols_list,'+tsk.outputs[0].bldpath()]) - else: - raise WafError('NotImplemented') |