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Diffstat (limited to 'waflib/Tools/ccroot.py')
| m--------- | waflib | 0 | ||||
| -rw-r--r-- | waflib/Tools/ccroot.py | 791 |
2 files changed, 0 insertions, 791 deletions
diff --git a/waflib b/waflib new file mode 160000 +Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f diff --git a/waflib/Tools/ccroot.py b/waflib/Tools/ccroot.py deleted file mode 100644 index 579d5b2..0000000 --- a/waflib/Tools/ccroot.py +++ /dev/null @@ -1,791 +0,0 @@ -#!/usr/bin/env python -# encoding: utf-8 -# Thomas Nagy, 2005-2018 (ita) - -""" -Classes and methods shared by tools providing support for C-like language such -as C/C++/D/Assembly/Go (this support module is almost never used alone). -""" - -import os, re -from waflib import Task, Utils, Node, Errors, Logs -from waflib.TaskGen import after_method, before_method, feature, taskgen_method, extension -from waflib.Tools import c_aliases, c_preproc, c_config, c_osx, c_tests -from waflib.Configure import conf - -SYSTEM_LIB_PATHS = ['/usr/lib64', '/usr/lib', '/usr/local/lib64', '/usr/local/lib'] - -USELIB_VARS = Utils.defaultdict(set) -""" -Mapping for features to :py:class:`waflib.ConfigSet.ConfigSet` variables. See :py:func:`waflib.Tools.ccroot.propagate_uselib_vars`. -""" - -USELIB_VARS['c'] = set(['INCLUDES', 'FRAMEWORKPATH', 'DEFINES', 'CPPFLAGS', 'CCDEPS', 'CFLAGS', 'ARCH']) -USELIB_VARS['cxx'] = set(['INCLUDES', 'FRAMEWORKPATH', 'DEFINES', 'CPPFLAGS', 'CXXDEPS', 'CXXFLAGS', 'ARCH']) -USELIB_VARS['d'] = set(['INCLUDES', 'DFLAGS']) -USELIB_VARS['includes'] = set(['INCLUDES', 'FRAMEWORKPATH', 'ARCH']) - -USELIB_VARS['cprogram'] = USELIB_VARS['cxxprogram'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS', 'FRAMEWORK', 'FRAMEWORKPATH', 'ARCH', 'LDFLAGS']) -USELIB_VARS['cshlib'] = USELIB_VARS['cxxshlib'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS', 'FRAMEWORK', 'FRAMEWORKPATH', 'ARCH', 'LDFLAGS']) -USELIB_VARS['cstlib'] = USELIB_VARS['cxxstlib'] = set(['ARFLAGS', 'LINKDEPS']) - -USELIB_VARS['dprogram'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS']) -USELIB_VARS['dshlib'] = set(['LIB', 'STLIB', 'LIBPATH', 'STLIBPATH', 'LINKFLAGS', 'RPATH', 'LINKDEPS']) -USELIB_VARS['dstlib'] = set(['ARFLAGS', 'LINKDEPS']) - -USELIB_VARS['asm'] = set(['ASFLAGS']) - -# ================================================================================================= - -@taskgen_method -def create_compiled_task(self, name, node): - """ - Create the compilation task: c, cxx, asm, etc. The output node is created automatically (object file with a typical **.o** extension). - The task is appended to the list *compiled_tasks* which is then used by :py:func:`waflib.Tools.ccroot.apply_link` - - :param name: name of the task class - :type name: string - :param node: the file to compile - :type node: :py:class:`waflib.Node.Node` - :return: The task created - :rtype: :py:class:`waflib.Task.Task` - """ - out = '%s.%d.o' % (node.name, self.idx) - task = self.create_task(name, node, node.parent.find_or_declare(out)) - try: - self.compiled_tasks.append(task) - except AttributeError: - self.compiled_tasks = [task] - return task - -@taskgen_method -def to_incnodes(self, inlst): - """ - Task generator method provided to convert a list of string/nodes into a list of includes folders. - - The paths are assumed to be relative to the task generator path, except if they begin by **#** - in which case they are searched from the top-level directory (``bld.srcnode``). - The folders are simply assumed to be existing. - - The node objects in the list are returned in the output list. The strings are converted - into node objects if possible. The node is searched from the source directory, and if a match is found, - the equivalent build directory is created and added to the returned list too. When a folder cannot be found, it is ignored. - - :param inlst: list of folders - :type inlst: space-delimited string or a list of string/nodes - :rtype: list of :py:class:`waflib.Node.Node` - :return: list of include folders as nodes - """ - lst = [] - seen = set() - for x in self.to_list(inlst): - if x in seen or not x: - continue - seen.add(x) - - # with a real lot of targets, it is sometimes interesting to cache the results below - if isinstance(x, Node.Node): - lst.append(x) - else: - if os.path.isabs(x): - lst.append(self.bld.root.make_node(x) or x) - else: - if x[0] == '#': - p = self.bld.bldnode.make_node(x[1:]) - v = self.bld.srcnode.make_node(x[1:]) - else: - p = self.path.get_bld().make_node(x) - v = self.path.make_node(x) - if p.is_child_of(self.bld.bldnode): - p.mkdir() - lst.append(p) - lst.append(v) - return lst - -@feature('c', 'cxx', 'd', 'asm', 'fc', 'includes') -@after_method('propagate_uselib_vars', 'process_source') -def apply_incpaths(self): - """ - Task generator method that processes the attribute *includes*:: - - tg = bld(features='includes', includes='.') - - The folders only need to be relative to the current directory, the equivalent build directory is - added automatically (for headers created in the build directory). This enables using a build directory - or not (``top == out``). - - This method will add a list of nodes read by :py:func:`waflib.Tools.ccroot.to_incnodes` in ``tg.env.INCPATHS``, - and the list of include paths in ``tg.env.INCLUDES``. - """ - - lst = self.to_incnodes(self.to_list(getattr(self, 'includes', [])) + self.env.INCLUDES) - self.includes_nodes = lst - cwd = self.get_cwd() - self.env.INCPATHS = [x.path_from(cwd) for x in lst] - -class link_task(Task.Task): - """ - Base class for all link tasks. A task generator is supposed to have at most one link task bound in the attribute *link_task*. See :py:func:`waflib.Tools.ccroot.apply_link`. - - .. inheritance-diagram:: waflib.Tools.ccroot.stlink_task waflib.Tools.c.cprogram waflib.Tools.c.cshlib waflib.Tools.cxx.cxxstlib waflib.Tools.cxx.cxxprogram waflib.Tools.cxx.cxxshlib waflib.Tools.d.dprogram waflib.Tools.d.dshlib waflib.Tools.d.dstlib waflib.Tools.ccroot.fake_shlib waflib.Tools.ccroot.fake_stlib waflib.Tools.asm.asmprogram waflib.Tools.asm.asmshlib waflib.Tools.asm.asmstlib - """ - color = 'YELLOW' - - weight = 3 - """Try to process link tasks as early as possible""" - - inst_to = None - """Default installation path for the link task outputs, or None to disable""" - - chmod = Utils.O755 - """Default installation mode for the link task outputs""" - - def add_target(self, target): - """ - Process the *target* attribute to add the platform-specific prefix/suffix such as *.so* or *.exe*. - The settings are retrieved from ``env.clsname_PATTERN`` - """ - if isinstance(target, str): - base = self.generator.path - if target.startswith('#'): - # for those who like flat structures - target = target[1:] - base = self.generator.bld.bldnode - - pattern = self.env[self.__class__.__name__ + '_PATTERN'] - if not pattern: - pattern = '%s' - folder, name = os.path.split(target) - - if self.__class__.__name__.find('shlib') > 0 and getattr(self.generator, 'vnum', None): - nums = self.generator.vnum.split('.') - if self.env.DEST_BINFMT == 'pe': - # include the version in the dll file name, - # the import lib file name stays unversioned. - name = name + '-' + nums[0] - elif self.env.DEST_OS == 'openbsd': - pattern = '%s.%s' % (pattern, nums[0]) - if len(nums) >= 2: - pattern += '.%s' % nums[1] - - if folder: - tmp = folder + os.sep + pattern % name - else: - tmp = pattern % name - target = base.find_or_declare(tmp) - self.set_outputs(target) - - def exec_command(self, *k, **kw): - ret = super(link_task, self).exec_command(*k, **kw) - if not ret and self.env.DO_MANIFEST: - ret = self.exec_mf() - return ret - - def exec_mf(self): - """ - Create manifest files for VS-like compilers (msvc, ifort, ...) - """ - if not self.env.MT: - return 0 - - manifest = None - for out_node in self.outputs: - if out_node.name.endswith('.manifest'): - manifest = out_node.abspath() - break - else: - # Should never get here. If we do, it means the manifest file was - # never added to the outputs list, thus we don't have a manifest file - # to embed, so we just return. - return 0 - - # embedding mode. Different for EXE's and DLL's. - # see: http://msdn2.microsoft.com/en-us/library/ms235591(VS.80).aspx - mode = '' - for x in Utils.to_list(self.generator.features): - if x in ('cprogram', 'cxxprogram', 'fcprogram', 'fcprogram_test'): - mode = 1 - elif x in ('cshlib', 'cxxshlib', 'fcshlib'): - mode = 2 - - Logs.debug('msvc: embedding manifest in mode %r', mode) - - lst = [] + self.env.MT - lst.extend(Utils.to_list(self.env.MTFLAGS)) - lst.extend(['-manifest', manifest]) - lst.append('-outputresource:%s;%s' % (self.outputs[0].abspath(), mode)) - - return super(link_task, self).exec_command(lst) - -class stlink_task(link_task): - """ - Base for static link tasks, which use *ar* most of the time. - The target is always removed before being written. - """ - run_str = '${AR} ${ARFLAGS} ${AR_TGT_F}${TGT} ${AR_SRC_F}${SRC}' - - chmod = Utils.O644 - """Default installation mode for the static libraries""" - -def rm_tgt(cls): - old = cls.run - def wrap(self): - try: - os.remove(self.outputs[0].abspath()) - except OSError: - pass - return old(self) - setattr(cls, 'run', wrap) -rm_tgt(stlink_task) - -@feature('skip_stlib_link_deps') -@before_method('process_use') -def apply_skip_stlib_link_deps(self): - """ - This enables an optimization in the :py:func:wafilb.Tools.ccroot.processes_use: method that skips dependency and - link flag optimizations for targets that generate static libraries (via the :py:class:Tools.ccroot.stlink_task task). - The actual behavior is implemented in :py:func:wafilb.Tools.ccroot.processes_use: method so this feature only tells waf - to enable the new behavior. - """ - self.env.SKIP_STLIB_LINK_DEPS = True - -@feature('c', 'cxx', 'd', 'fc', 'asm') -@after_method('process_source') -def apply_link(self): - """ - Collect the tasks stored in ``compiled_tasks`` (created by :py:func:`waflib.Tools.ccroot.create_compiled_task`), and - use the outputs for a new instance of :py:class:`waflib.Tools.ccroot.link_task`. The class to use is the first link task - matching a name from the attribute *features*, for example:: - - def build(bld): - tg = bld(features='cxx cxxprogram cprogram', source='main.c', target='app') - - will create the task ``tg.link_task`` as a new instance of :py:class:`waflib.Tools.cxx.cxxprogram` - """ - - for x in self.features: - if x == 'cprogram' and 'cxx' in self.features: # limited compat - x = 'cxxprogram' - elif x == 'cshlib' and 'cxx' in self.features: - x = 'cxxshlib' - - if x in Task.classes: - if issubclass(Task.classes[x], link_task): - link = x - break - else: - return - - objs = [t.outputs[0] for t in getattr(self, 'compiled_tasks', [])] - self.link_task = self.create_task(link, objs) - self.link_task.add_target(self.target) - - # remember that the install paths are given by the task generators - try: - inst_to = self.install_path - except AttributeError: - inst_to = self.link_task.inst_to - if inst_to: - # install a copy of the node list we have at this moment (implib not added) - self.install_task = self.add_install_files( - install_to=inst_to, install_from=self.link_task.outputs[:], - chmod=self.link_task.chmod, task=self.link_task) - -@taskgen_method -def use_rec(self, name, **kw): - """ - Processes the ``use`` keyword recursively. This method is kind of private and only meant to be used from ``process_use`` - """ - - if name in self.tmp_use_not or name in self.tmp_use_seen: - return - - try: - y = self.bld.get_tgen_by_name(name) - except Errors.WafError: - self.uselib.append(name) - self.tmp_use_not.add(name) - return - - self.tmp_use_seen.append(name) - y.post() - - # bind temporary attributes on the task generator - y.tmp_use_objects = objects = kw.get('objects', True) - y.tmp_use_stlib = stlib = kw.get('stlib', True) - try: - link_task = y.link_task - except AttributeError: - y.tmp_use_var = '' - else: - objects = False - if not isinstance(link_task, stlink_task): - stlib = False - y.tmp_use_var = 'LIB' - else: - y.tmp_use_var = 'STLIB' - - p = self.tmp_use_prec - for x in self.to_list(getattr(y, 'use', [])): - if self.env["STLIB_" + x]: - continue - try: - p[x].append(name) - except KeyError: - p[x] = [name] - self.use_rec(x, objects=objects, stlib=stlib) - -@feature('c', 'cxx', 'd', 'use', 'fc') -@before_method('apply_incpaths', 'propagate_uselib_vars') -@after_method('apply_link', 'process_source') -def process_use(self): - """ - Process the ``use`` attribute which contains a list of task generator names:: - - def build(bld): - bld.shlib(source='a.c', target='lib1') - bld.program(source='main.c', target='app', use='lib1') - - See :py:func:`waflib.Tools.ccroot.use_rec`. - """ - - use_not = self.tmp_use_not = set() - self.tmp_use_seen = [] # we would like an ordered set - use_prec = self.tmp_use_prec = {} - self.uselib = self.to_list(getattr(self, 'uselib', [])) - self.includes = self.to_list(getattr(self, 'includes', [])) - names = self.to_list(getattr(self, 'use', [])) - - for x in names: - self.use_rec(x) - - for x in use_not: - if x in use_prec: - del use_prec[x] - - # topological sort - out = self.tmp_use_sorted = [] - tmp = [] - for x in self.tmp_use_seen: - for k in use_prec.values(): - if x in k: - break - else: - tmp.append(x) - - while tmp: - e = tmp.pop() - out.append(e) - try: - nlst = use_prec[e] - except KeyError: - pass - else: - del use_prec[e] - for x in nlst: - for y in use_prec: - if x in use_prec[y]: - break - else: - tmp.append(x) - if use_prec: - raise Errors.WafError('Cycle detected in the use processing %r' % use_prec) - out.reverse() - - link_task = getattr(self, 'link_task', None) - for x in out: - y = self.bld.get_tgen_by_name(x) - var = y.tmp_use_var - if var and link_task: - if self.env.SKIP_STLIB_LINK_DEPS and isinstance(link_task, stlink_task): - # If the skip_stlib_link_deps feature is enabled then we should - # avoid adding lib deps to the stlink_task instance. - pass - elif var == 'LIB' or y.tmp_use_stlib or x in names: - self.env.append_value(var, [y.target[y.target.rfind(os.sep) + 1:]]) - self.link_task.dep_nodes.extend(y.link_task.outputs) - tmp_path = y.link_task.outputs[0].parent.path_from(self.get_cwd()) - self.env.append_unique(var + 'PATH', [tmp_path]) - else: - if y.tmp_use_objects: - self.add_objects_from_tgen(y) - - if getattr(y, 'export_includes', None): - # self.includes may come from a global variable #2035 - self.includes = self.includes + y.to_incnodes(y.export_includes) - - if getattr(y, 'export_defines', None): - self.env.append_value('DEFINES', self.to_list(y.export_defines)) - - - # and finally, add the use variables (no recursion needed) - for x in names: - try: - y = self.bld.get_tgen_by_name(x) - except Errors.WafError: - if not self.env['STLIB_' + x] and not x in self.uselib: - self.uselib.append(x) - else: - for k in self.to_list(getattr(y, 'use', [])): - if not self.env['STLIB_' + k] and not k in self.uselib: - self.uselib.append(k) - -@taskgen_method -def accept_node_to_link(self, node): - """ - PRIVATE INTERNAL USE ONLY - """ - return not node.name.endswith('.pdb') - -@taskgen_method -def add_objects_from_tgen(self, tg): - """ - Add the objects from the depending compiled tasks as link task inputs. - - Some objects are filtered: for instance, .pdb files are added - to the compiled tasks but not to the link tasks (to avoid errors) - PRIVATE INTERNAL USE ONLY - """ - try: - link_task = self.link_task - except AttributeError: - pass - else: - for tsk in getattr(tg, 'compiled_tasks', []): - for x in tsk.outputs: - if self.accept_node_to_link(x): - link_task.inputs.append(x) - -@taskgen_method -def get_uselib_vars(self): - """ - :return: the *uselib* variables associated to the *features* attribute (see :py:attr:`waflib.Tools.ccroot.USELIB_VARS`) - :rtype: list of string - """ - _vars = set() - for x in self.features: - if x in USELIB_VARS: - _vars |= USELIB_VARS[x] - return _vars - -@feature('c', 'cxx', 'd', 'fc', 'javac', 'cs', 'uselib', 'asm') -@after_method('process_use') -def propagate_uselib_vars(self): - """ - Process uselib variables for adding flags. For example, the following target:: - - def build(bld): - bld.env.AFLAGS_aaa = ['bar'] - from waflib.Tools.ccroot import USELIB_VARS - USELIB_VARS['aaa'] = ['AFLAGS'] - - tg = bld(features='aaa', aflags='test') - - The *aflags* attribute will be processed and this method will set:: - - tg.env.AFLAGS = ['bar', 'test'] - """ - _vars = self.get_uselib_vars() - env = self.env - app = env.append_value - feature_uselib = self.features + self.to_list(getattr(self, 'uselib', [])) - for var in _vars: - y = var.lower() - val = getattr(self, y, []) - if val: - app(var, self.to_list(val)) - - for x in feature_uselib: - val = env['%s_%s' % (var, x)] - if val: - app(var, val) - -# ============ the code above must not know anything about import libs ========== - -@feature('cshlib', 'cxxshlib', 'fcshlib') -@after_method('apply_link') -def apply_implib(self): - """ - Handle dlls and their import libs on Windows-like systems. - - A ``.dll.a`` file called *import library* is generated. - It must be installed as it is required for linking the library. - """ - if not self.env.DEST_BINFMT == 'pe': - return - - dll = self.link_task.outputs[0] - if isinstance(self.target, Node.Node): - name = self.target.name - else: - name = os.path.split(self.target)[1] - implib = self.env.implib_PATTERN % name - implib = dll.parent.find_or_declare(implib) - self.env.append_value('LINKFLAGS', self.env.IMPLIB_ST % implib.bldpath()) - self.link_task.outputs.append(implib) - - if getattr(self, 'defs', None) and self.env.DEST_BINFMT == 'pe': - node = self.path.find_resource(self.defs) - if not node: - raise Errors.WafError('invalid def file %r' % self.defs) - if self.env.def_PATTERN: - self.env.append_value('LINKFLAGS', self.env.def_PATTERN % node.path_from(self.get_cwd())) - self.link_task.dep_nodes.append(node) - else: - # gcc for windows takes *.def file as input without any special flag - self.link_task.inputs.append(node) - - # where to put the import library - if getattr(self, 'install_task', None): - try: - # user has given a specific installation path for the import library - inst_to = self.install_path_implib - except AttributeError: - try: - # user has given an installation path for the main library, put the import library in it - inst_to = self.install_path - except AttributeError: - # else, put the library in BINDIR and the import library in LIBDIR - inst_to = '${IMPLIBDIR}' - self.install_task.install_to = '${BINDIR}' - if not self.env.IMPLIBDIR: - self.env.IMPLIBDIR = self.env.LIBDIR - self.implib_install_task = self.add_install_files(install_to=inst_to, install_from=implib, - chmod=self.link_task.chmod, task=self.link_task) - -# ============ the code above must not know anything about vnum processing on unix platforms ========= - -re_vnum = re.compile('^([1-9]\\d*|0)([.]([1-9]\\d*|0)){0,2}?$') -@feature('cshlib', 'cxxshlib', 'dshlib', 'fcshlib', 'vnum') -@after_method('apply_link', 'propagate_uselib_vars') -def apply_vnum(self): - """ - Enforce version numbering on shared libraries. The valid version numbers must have either zero or two dots:: - - def build(bld): - bld.shlib(source='a.c', target='foo', vnum='14.15.16') - - In this example on Linux platform, ``libfoo.so`` is installed as ``libfoo.so.14.15.16``, and the following symbolic links are created: - - * ``libfoo.so → libfoo.so.14.15.16`` - * ``libfoo.so.14 → libfoo.so.14.15.16`` - - By default, the library will be assigned SONAME ``libfoo.so.14``, effectively declaring ABI compatibility between all minor and patch releases for the major version of the library. When necessary, the compatibility can be explicitly defined using `cnum` parameter: - - def build(bld): - bld.shlib(source='a.c', target='foo', vnum='14.15.16', cnum='14.15') - - In this case, the assigned SONAME will be ``libfoo.so.14.15`` with ABI compatibility only between path releases for a specific major and minor version of the library. - - On OS X platform, install-name parameter will follow the above logic for SONAME with exception that it also specifies an absolute path (based on install_path) of the library. - """ - if not getattr(self, 'vnum', '') or os.name != 'posix' or self.env.DEST_BINFMT not in ('elf', 'mac-o'): - return - - link = self.link_task - if not re_vnum.match(self.vnum): - raise Errors.WafError('Invalid vnum %r for target %r' % (self.vnum, getattr(self, 'name', self))) - nums = self.vnum.split('.') - node = link.outputs[0] - - cnum = getattr(self, 'cnum', str(nums[0])) - cnums = cnum.split('.') - if len(cnums)>len(nums) or nums[0:len(cnums)] != cnums: - raise Errors.WafError('invalid compatibility version %s' % cnum) - - libname = node.name - if libname.endswith('.dylib'): - name3 = libname.replace('.dylib', '.%s.dylib' % self.vnum) - name2 = libname.replace('.dylib', '.%s.dylib' % cnum) - else: - name3 = libname + '.' + self.vnum - name2 = libname + '.' + cnum - - # add the so name for the ld linker - to disable, just unset env.SONAME_ST - if self.env.SONAME_ST: - v = self.env.SONAME_ST % name2 - self.env.append_value('LINKFLAGS', v.split()) - - # the following task is just to enable execution from the build dir :-/ - if self.env.DEST_OS != 'openbsd': - outs = [node.parent.make_node(name3)] - if name2 != name3: - outs.append(node.parent.make_node(name2)) - self.create_task('vnum', node, outs) - - if getattr(self, 'install_task', None): - self.install_task.hasrun = Task.SKIPPED - self.install_task.no_errcheck_out = True - path = self.install_task.install_to - if self.env.DEST_OS == 'openbsd': - libname = self.link_task.outputs[0].name - t1 = self.add_install_as(install_to='%s/%s' % (path, libname), install_from=node, chmod=self.link_task.chmod) - self.vnum_install_task = (t1,) - else: - t1 = self.add_install_as(install_to=path + os.sep + name3, install_from=node, chmod=self.link_task.chmod) - t3 = self.add_symlink_as(install_to=path + os.sep + libname, install_from=name3) - if name2 != name3: - t2 = self.add_symlink_as(install_to=path + os.sep + name2, install_from=name3) - self.vnum_install_task = (t1, t2, t3) - else: - self.vnum_install_task = (t1, t3) - - if '-dynamiclib' in self.env.LINKFLAGS: - # this requires after(propagate_uselib_vars) - try: - inst_to = self.install_path - except AttributeError: - inst_to = self.link_task.inst_to - if inst_to: - p = Utils.subst_vars(inst_to, self.env) - path = os.path.join(p, name2) - self.env.append_value('LINKFLAGS', ['-install_name', path]) - self.env.append_value('LINKFLAGS', '-Wl,-compatibility_version,%s' % cnum) - self.env.append_value('LINKFLAGS', '-Wl,-current_version,%s' % self.vnum) - -class vnum(Task.Task): - """ - Create the symbolic links for a versioned shared library. Instances are created by :py:func:`waflib.Tools.ccroot.apply_vnum` - """ - color = 'CYAN' - ext_in = ['.bin'] - def keyword(self): - return 'Symlinking' - def run(self): - for x in self.outputs: - path = x.abspath() - try: - os.remove(path) - except OSError: - pass - - try: - os.symlink(self.inputs[0].name, path) - except OSError: - return 1 - -class fake_shlib(link_task): - """ - Task used for reading a system library and adding the dependency on it - """ - def runnable_status(self): - for t in self.run_after: - if not t.hasrun: - return Task.ASK_LATER - return Task.SKIP_ME - -class fake_stlib(stlink_task): - """ - Task used for reading a system library and adding the dependency on it - """ - def runnable_status(self): - for t in self.run_after: - if not t.hasrun: - return Task.ASK_LATER - return Task.SKIP_ME - -@conf -def read_shlib(self, name, paths=[], export_includes=[], export_defines=[]): - """ - Read a system shared library, enabling its use as a local library. Will trigger a rebuild if the file changes:: - - def build(bld): - bld.read_shlib('m') - bld.program(source='main.c', use='m') - """ - return self(name=name, features='fake_lib', lib_paths=paths, lib_type='shlib', export_includes=export_includes, export_defines=export_defines) - -@conf -def read_stlib(self, name, paths=[], export_includes=[], export_defines=[]): - """ - Read a system static library, enabling a use as a local library. Will trigger a rebuild if the file changes. - """ - return self(name=name, features='fake_lib', lib_paths=paths, lib_type='stlib', export_includes=export_includes, export_defines=export_defines) - -lib_patterns = { - 'shlib' : ['lib%s.so', '%s.so', 'lib%s.dylib', 'lib%s.dll', '%s.dll'], - 'stlib' : ['lib%s.a', '%s.a', 'lib%s.dll', '%s.dll', 'lib%s.lib', '%s.lib'], -} - -@feature('fake_lib') -def process_lib(self): - """ - Find the location of a foreign library. Used by :py:class:`waflib.Tools.ccroot.read_shlib` and :py:class:`waflib.Tools.ccroot.read_stlib`. - """ - node = None - - names = [x % self.name for x in lib_patterns[self.lib_type]] - for x in self.lib_paths + [self.path] + SYSTEM_LIB_PATHS: - if not isinstance(x, Node.Node): - x = self.bld.root.find_node(x) or self.path.find_node(x) - if not x: - continue - - for y in names: - node = x.find_node(y) - if node: - try: - Utils.h_file(node.abspath()) - except EnvironmentError: - raise ValueError('Could not read %r' % y) - break - else: - continue - break - else: - raise Errors.WafError('could not find library %r' % self.name) - self.link_task = self.create_task('fake_%s' % self.lib_type, [], [node]) - self.target = self.name - - -class fake_o(Task.Task): - def runnable_status(self): - return Task.SKIP_ME - -@extension('.o', '.obj') -def add_those_o_files(self, node): - tsk = self.create_task('fake_o', [], node) - try: - self.compiled_tasks.append(tsk) - except AttributeError: - self.compiled_tasks = [tsk] - -@feature('fake_obj') -@before_method('process_source') -def process_objs(self): - """ - Puts object files in the task generator outputs - """ - for node in self.to_nodes(self.source): - self.add_those_o_files(node) - self.source = [] - -@conf -def read_object(self, obj): - """ - Read an object file, enabling injection in libs/programs. Will trigger a rebuild if the file changes. - - :param obj: object file path, as string or Node - """ - if not isinstance(obj, self.path.__class__): - obj = self.path.find_resource(obj) - return self(features='fake_obj', source=obj, name=obj.name) - -@feature('cxxprogram', 'cprogram') -@after_method('apply_link', 'process_use') -def set_full_paths_hpux(self): - """ - On hp-ux, extend the libpaths and static library paths to absolute paths - """ - if self.env.DEST_OS != 'hp-ux': - return - base = self.bld.bldnode.abspath() - for var in ['LIBPATH', 'STLIBPATH']: - lst = [] - for x in self.env[var]: - if x.startswith('/'): - lst.append(x) - else: - lst.append(os.path.normpath(os.path.join(base, x))) - self.env[var] = lst - |