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authorDavid Robillard <d@drobilla.net>2020-04-02 20:47:18 +0200
committerDavid Robillard <d@drobilla.net>2020-04-02 20:47:18 +0200
commitac77923e2233547122343c9dcdb89be81bde896b (patch)
tree45d8eb6272d38e823cc47f215bf31ea6f1238b72 /waflib/extras/gccdeps.py
parentffa9c8240e4d904da2154466e811302ae313034d (diff)
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Remove waf in preparation for switching to a submodule
Unfortunately this leaves a commit with no build system at all in the history, but some systems do not handle replacing a directory with a submodule in the same commit properly.
Diffstat (limited to 'waflib/extras/gccdeps.py')
-rw-r--r--waflib/extras/gccdeps.py214
1 files changed, 0 insertions, 214 deletions
diff --git a/waflib/extras/gccdeps.py b/waflib/extras/gccdeps.py
deleted file mode 100644
index bfabe72..0000000
--- a/waflib/extras/gccdeps.py
+++ /dev/null
@@ -1,214 +0,0 @@
-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2008-2010 (ita)
-
-"""
-Execute the tasks with gcc -MD, read the dependencies from the .d file
-and prepare the dependency calculation for the next run.
-This affects the cxx class, so make sure to load Qt5 after this tool.
-
-Usage::
-
- def options(opt):
- opt.load('compiler_cxx')
- def configure(conf):
- conf.load('compiler_cxx gccdeps')
-"""
-
-import os, re, threading
-from waflib import Task, Logs, Utils, Errors
-from waflib.Tools import c_preproc
-from waflib.TaskGen import before_method, feature
-
-lock = threading.Lock()
-
-gccdeps_flags = ['-MD']
-if not c_preproc.go_absolute:
- gccdeps_flags = ['-MMD']
-
-# Third-party tools are allowed to add extra names in here with append()
-supported_compilers = ['gcc', 'icc', 'clang']
-
-def scan(self):
- if not self.__class__.__name__ in self.env.ENABLE_GCCDEPS:
- return super(self.derived_gccdeps, self).scan()
- nodes = self.generator.bld.node_deps.get(self.uid(), [])
- names = []
- return (nodes, names)
-
-re_o = re.compile(r"\.o$")
-re_splitter = re.compile(r'(?<!\\)\s+') # split by space, except when spaces are escaped
-
-def remove_makefile_rule_lhs(line):
- # Splitting on a plain colon would accidentally match inside a
- # Windows absolute-path filename, so we must search for a colon
- # followed by whitespace to find the divider between LHS and RHS
- # of the Makefile rule.
- rulesep = ': '
-
- sep_idx = line.find(rulesep)
- if sep_idx >= 0:
- return line[sep_idx + 2:]
- else:
- return line
-
-def path_to_node(base_node, path, cached_nodes):
- # Take the base node and the path and return a node
- # Results are cached because searching the node tree is expensive
- # The following code is executed by threads, it is not safe, so a lock is needed...
- if getattr(path, '__hash__'):
- node_lookup_key = (base_node, path)
- else:
- # Not hashable, assume it is a list and join into a string
- node_lookup_key = (base_node, os.path.sep.join(path))
- try:
- lock.acquire()
- node = cached_nodes[node_lookup_key]
- except KeyError:
- node = base_node.find_resource(path)
- cached_nodes[node_lookup_key] = node
- finally:
- lock.release()
- return node
-
-def post_run(self):
- if not self.__class__.__name__ in self.env.ENABLE_GCCDEPS:
- return super(self.derived_gccdeps, self).post_run()
-
- name = self.outputs[0].abspath()
- name = re_o.sub('.d', name)
- try:
- txt = Utils.readf(name)
- except EnvironmentError:
- Logs.error('Could not find a .d dependency file, are cflags/cxxflags overwritten?')
- raise
- #os.remove(name)
-
- # Compilers have the choice to either output the file's dependencies
- # as one large Makefile rule:
- #
- # /path/to/file.o: /path/to/dep1.h \
- # /path/to/dep2.h \
- # /path/to/dep3.h \
- # ...
- #
- # or as many individual rules:
- #
- # /path/to/file.o: /path/to/dep1.h
- # /path/to/file.o: /path/to/dep2.h
- # /path/to/file.o: /path/to/dep3.h
- # ...
- #
- # So the first step is to sanitize the input by stripping out the left-
- # hand side of all these lines. After that, whatever remains are the
- # implicit dependencies of task.outputs[0]
- txt = '\n'.join([remove_makefile_rule_lhs(line) for line in txt.splitlines()])
-
- # Now join all the lines together
- txt = txt.replace('\\\n', '')
-
- val = txt.strip()
- val = [x.replace('\\ ', ' ') for x in re_splitter.split(val) if x]
-
- nodes = []
- bld = self.generator.bld
-
- # Dynamically bind to the cache
- try:
- cached_nodes = bld.cached_nodes
- except AttributeError:
- cached_nodes = bld.cached_nodes = {}
-
- for x in val:
-
- node = None
- if os.path.isabs(x):
- node = path_to_node(bld.root, x, cached_nodes)
- else:
- # TODO waf 1.9 - single cwd value
- path = getattr(bld, 'cwdx', bld.bldnode)
- # when calling find_resource, make sure the path does not contain '..'
- x = [k for k in Utils.split_path(x) if k and k != '.']
- while '..' in x:
- idx = x.index('..')
- if idx == 0:
- x = x[1:]
- path = path.parent
- else:
- del x[idx]
- del x[idx-1]
-
- node = path_to_node(path, x, cached_nodes)
-
- if not node:
- raise ValueError('could not find %r for %r' % (x, self))
- if id(node) == id(self.inputs[0]):
- # ignore the source file, it is already in the dependencies
- # this way, successful config tests may be retrieved from the cache
- continue
- nodes.append(node)
-
- Logs.debug('deps: gccdeps for %s returned %s', self, nodes)
-
- bld.node_deps[self.uid()] = nodes
- bld.raw_deps[self.uid()] = []
-
- try:
- del self.cache_sig
- except AttributeError:
- pass
-
- Task.Task.post_run(self)
-
-def sig_implicit_deps(self):
- if not self.__class__.__name__ in self.env.ENABLE_GCCDEPS:
- return super(self.derived_gccdeps, self).sig_implicit_deps()
- try:
- return Task.Task.sig_implicit_deps(self)
- except Errors.WafError:
- return Utils.SIG_NIL
-
-def wrap_compiled_task(classname):
- derived_class = type(classname, (Task.classes[classname],), {})
- derived_class.derived_gccdeps = derived_class
- derived_class.post_run = post_run
- derived_class.scan = scan
- derived_class.sig_implicit_deps = sig_implicit_deps
-
-for k in ('c', 'cxx'):
- if k in Task.classes:
- wrap_compiled_task(k)
-
-@before_method('process_source')
-@feature('force_gccdeps')
-def force_gccdeps(self):
- self.env.ENABLE_GCCDEPS = ['c', 'cxx']
-
-def configure(conf):
- # in case someone provides a --enable-gccdeps command-line option
- if not getattr(conf.options, 'enable_gccdeps', True):
- return
-
- global gccdeps_flags
- flags = conf.env.GCCDEPS_FLAGS or gccdeps_flags
- if conf.env.CC_NAME in supported_compilers:
- try:
- conf.check(fragment='int main() { return 0; }', features='c force_gccdeps', cflags=flags, msg='Checking for c flags %r' % ''.join(flags))
- except Errors.ConfigurationError:
- pass
- else:
- conf.env.append_value('CFLAGS', flags)
- conf.env.append_unique('ENABLE_GCCDEPS', 'c')
-
- if conf.env.CXX_NAME in supported_compilers:
- try:
- conf.check(fragment='int main() { return 0; }', features='cxx force_gccdeps', cxxflags=flags, msg='Checking for cxx flags %r' % ''.join(flags))
- except Errors.ConfigurationError:
- pass
- else:
- conf.env.append_value('CXXFLAGS', flags)
- conf.env.append_unique('ENABLE_GCCDEPS', 'cxx')
-
-def options(opt):
- raise ValueError('Do not load gccdeps options')
-