mirror of https://github.com/FWGS/xash3d-fwgs
wscript: merge CMakeLists generating tool from Velaron's tree
This commit is contained in:
parent
ef663a8790
commit
febdfacbd3
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@ -60,6 +60,7 @@ Makefile.dep
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ALL_BUILD.*
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INSTALL.*
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ZERO_CHECK.*
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CMakeLists.txt
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# Visual Studio
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*.obj
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@ -333,3 +334,6 @@ __pycache__
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.history/*
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.cache/*
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enc_temp_folder/
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# KDevelop4
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*.kdev4
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@ -0,0 +1,410 @@
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#! /usr/bin/env python
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# -*- encoding: utf-8 -*-
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# Licensed under The MIT License (MIT)
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# Copyright (c) 2016, Michel Mooij
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# Copyright (c) 2023, Velaron
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'''
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Summary
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-------
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Generate *cmake* files of all C/C++ programs, static- and shared libraries
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that have been defined within a *waf* build environment.
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Once exported to *cmake*, all exported (C/C++) tasks can be build without
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any further need for, or dependency, to the *waf* build system itself.
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**cmake** is an open source cross-platform build system designed to build, test
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and package software. It is available for all major Desktop Operating Systems
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(MS Windows, all major Linux distributions and Macintosh OS-X).
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See http://www.cmake.org for a more detailed description on how to install
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and use it for your particular Desktop environment.
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Description
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-----------
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When exporting *waf* project data, a single top level **CMakeLists.txt** file
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will be exported in the top level directory of your *waf* build environment.
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This *cmake* build file will contain references to all exported *cmake*
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build files of each individual C/C++ build task. It will also contain generic
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variables and settings (e.g compiler to use, global preprocessor defines, link
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options and so on).
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Example below presents an overview of an environment in which *cmake*
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build files already have been exported::
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.
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├── components
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│ └── clib
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│ ├── program
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│ │ ├── CMakeLists.txt
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│ │ └── wscript
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│ ├── shared
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│ │ ├── CMakeLists.txt
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│ │ └── wscript
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│ └── static
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│ ├── CMakeLists.txt
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│ └── wscript
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│
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├── CMakeLists.txt
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└── wscript
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Usage
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-----
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Tasks can be exported to *cmake* using the command, as shown in the
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example below::
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$ waf cmake
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All exported *cmake* build files can be removed in 'one go' using the *cmake*
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*cleanup* option::
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$ waf cmake --cmake-clean
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Tasks generators to be excluded can be marked with the *skipme* option
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as shown below::
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def build(bld):
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bld.program(name='foo', src='foobar.c', cmake_skip=True)
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'''
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from waflib.Build import BuildContext
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from waflib import Utils, Logs, Context, Errors
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def get_deps(bld, target):
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'''Returns a list of (nested) targets on which this target depends.
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:param bld: a *waf* build instance from the top level *wscript*
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:type bld: waflib.Build.BuildContext
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:param target: task name for which the dependencies should be returned
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:type target: str
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:returns: a list of task names on which the given target depends
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'''
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try:
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tgen = bld.get_tgen_by_name(target)
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except Errors.WafError:
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return []
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else:
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uses = Utils.to_list(getattr(tgen, 'use', []))
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deps = uses[:]
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for use in uses:
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deps += get_deps(bld, use)
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return list(set(deps))
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def get_tgens(bld, names):
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'''Returns a list of task generators based on the given list of task
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generator names.
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:param bld: a *waf* build instance from the top level *wscript*
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:type bld: waflib.Build.BuildContext
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:param names: list of task generator names
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:type names: list of str
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:returns: list of task generators
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'''
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tgens = []
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for name in names:
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try:
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tgen = bld.get_tgen_by_name(name)
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except Errors.WafError:
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pass
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else:
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tgens.append(tgen)
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return list(set(tgens))
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def get_targets(bld):
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'''Returns a list of user specified build targets or None if no specific
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build targets has been selected using the *--targets=* command line option.
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:param bld: a *waf* build instance from the top level *wscript*.
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:type bld: waflib.Build.BuildContext
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:returns: a list of user specified target names (using --targets=x,y,z) or None
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'''
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if bld.targets == '':
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return None
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targets = bld.targets.split(',')
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for target in targets:
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targets += get_deps(bld, target)
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return targets
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def options(opt):
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'''Adds command line options for the CMake *waftool*.
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:param opt: Options context from the *waf* build environment.
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:type opt: waflib.Options.OptionsContext
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'''
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opt.add_option('--cmake', dest='cmake', default=False,
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action='store_true', help='select cmake for export/import actions')
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opt.add_option('--clean', dest='clean', default=False,
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action='store_true', help='delete exported files')
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def configure(conf):
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'''Method that will be invoked by *waf* when configuring the build
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environment.
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:param conf: Configuration context from the *waf* build environment.
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:type conf: waflib.Configure.ConfigurationContext
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'''
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conf.find_program('cmake', var='CMAKE', mandatory=False)
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class CMakeContext(BuildContext):
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'''export C/C++ tasks to CMake.'''
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cmd = 'cmake'
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def execute(self):
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'''Will be invoked when issuing the *cmake* command.'''
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self.restore()
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if not self.all_envs:
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self.load_envs()
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self.recurse([self.run_dir])
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self.pre_build()
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for group in self.groups:
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for tgen in group:
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try:
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f = tgen.post
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except AttributeError:
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pass
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else:
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f()
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try:
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self.get_tgen_by_name('')
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except Exception:
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pass
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self.cmake = True
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if self.options.clean:
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cleanup(self)
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else:
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export(self)
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self.timer = Utils.Timer()
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def export(bld):
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'''Exports all C and C++ task generators to cmake.
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:param bld: a *waf* build instance from the top level *wscript*.
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:type bld: waflib.Build.BuildContext
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'''
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if not bld.options.cmake and not hasattr(bld, 'cmake'):
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return
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cmakes = {}
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loc = bld.path.relpath().replace('\\', '/')
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top = CMake(bld, loc)
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cmakes[loc] = top
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targets = get_targets(bld)
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for tgen in bld.task_gen_cache_names.values():
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if targets and tgen.get_name() not in targets:
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continue
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if getattr(tgen, 'cmake_skip', False):
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continue
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if set(('c', 'cxx')) & set(getattr(tgen, 'features', [])):
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loc = tgen.path.relpath().replace('\\', '/')
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if loc not in cmakes:
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cmake = CMake(bld, loc)
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cmakes[loc] = cmake
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top.add_child(cmake)
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cmakes[loc].add_tgen(tgen)
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for cmake in cmakes.values():
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cmake.export()
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def cleanup(bld):
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'''Removes all generated makefiles from the *waf* build environment.
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:param bld: a *waf* build instance from the top level *wscript*.
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:type bld: waflib.Build.BuildContext
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'''
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if not bld.options.clean:
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return
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loc = bld.path.relpath().replace('\\', '/')
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CMake(bld, loc).cleanup()
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targets = get_targets(bld)
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for tgen in bld.task_gen_cache_names.values():
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if targets and tgen.get_name() not in targets:
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continue
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if getattr(tgen, 'cmake_skip', False):
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continue
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if set(('c', 'cxx')) & set(getattr(tgen, 'features', [])):
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loc = tgen.path.relpath().replace('\\', '/')
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CMake(bld, loc).cleanup()
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class CMake(object):
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def __init__(self, bld, location):
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self.bld = bld
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self.location = location
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self.cmakes = []
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self.tgens = []
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def export(self):
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content = self.get_content()
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if not content:
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return
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node = self.make_node()
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if not node:
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return
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node.write(content)
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Logs.pprint('YELLOW', 'exported: %s' % node.abspath())
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def cleanup(self):
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node = self.find_node()
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if node:
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node.delete()
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Logs.pprint('YELLOW', 'removed: %s' % node.abspath())
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def add_child(self, cmake):
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self.cmakes.append(cmake)
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def add_tgen(self, tgen):
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self.tgens.append(tgen)
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def get_location(self):
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return self.location
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def get_fname(self):
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name = '%s/CMakeLists.txt' % (self.location)
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return name
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def find_node(self):
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name = self.get_fname()
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if not name:
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return None
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return self.bld.srcnode.find_node(name)
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def make_node(self):
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name = self.get_fname()
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if not name:
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return None
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return self.bld.srcnode.make_node(name)
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def get_content(self):
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is_top = (self.location == self.bld.path.relpath())
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content = ''
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if is_top:
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content += 'cmake_minimum_required(VERSION 2.8.12)\n'
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content += 'project(%s)\n' % (getattr(Context.g_module,
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Context.APPNAME))
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content += '\n'
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env = self.bld.env
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defines = env.DEFINES
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if len(defines):
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content += 'add_definitions(\n -D%s\n)\n' % (
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'\n -D'.join(defines))
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content += '\n'
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flags = env.CFLAGS
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if len(flags):
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content += 'set(CMAKE_C_FLAGS "%s")\n' % (' '.join(flags))
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flags = env.CXXFLAGS
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if len(flags):
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content += 'set(CMAKE_CXX_FLAGS "%s")\n' % (' '.join(flags))
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if len(self.tgens):
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content += '\n'
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for tgen in self.tgens:
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content += self.get_tgen_content(tgen)
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if len(self.cmakes):
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content += '\n'
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for cmake in self.cmakes:
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content += 'add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/%s)\n' % (
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cmake.get_location())
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return content
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def get_tgen_content(self, tgen):
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content = ''
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name = tgen.get_name()
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content += 'set(%s_SRC' % (name.upper())
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for src in tgen.source:
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content += '\n %s' % (src.path_from(tgen.path).replace('\\', '/'))
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content += '\n)\n\n'
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includes = self.get_includes(tgen)
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# includes.extend(tgen.env.INCLUDES)
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if len(includes):
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content += 'set(%s_INCLUDES' % (name.upper())
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for include in includes:
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content += '\n %s' % include
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content += '\n)\n\n'
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content += 'include_directories(${%s_INCLUDES})\n' % (name.upper())
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link_dirs = getattr(tgen.env, 'LIBPATH', [])
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if len(link_dirs):
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content += '\nlink_directories('
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for dir in link_dirs:
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content += '\n \"%s\"' % dir.replace('\\', '/')
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content += '\n)\n\n'
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if set(('cprogram', 'cxxprogram')) & set(tgen.features):
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if tgen.env.DEST_OS == 'win32':
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content += 'add_executable(%s WIN32 ${%s_SRC})\n' % (
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name, name.upper())
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else:
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content += 'add_executable(%s ${%s_SRC})\n' % (name,
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name.upper())
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elif set(('cshlib', 'cxxshlib')) & set(tgen.features):
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content += 'add_library(%s SHARED ${%s_SRC})\n\n' % (
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name, name.upper())
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else: # cstlib, cxxstlib or objects
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content += 'add_library(%s ${%s_SRC})\n\n' % (name, name.upper())
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defines = self.get_genlist(tgen, 'defines')
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defines.extend(tgen.env.DEFINES)
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if len(defines):
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content += 'target_compile_definitions(%s PRIVATE\n -D%s\n)\n' % (
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name, '\n -D'.join(defines))
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content += '\n'
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libs = getattr(tgen.env, 'LIB', [])
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libs.extend(tgen.env.STLIB)
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if len(libs):
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content += '\n'
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content += 'target_link_libraries(%s\n %s)\n' % (name, '\n '.join(libs))
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content += '\n'
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return content
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def get_includes(self, tgen):
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'''returns the include paths for the given task generator.
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'''
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includes = self.get_genlist(tgen, 'includes')
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for use in getattr(tgen, 'use', []):
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key = 'INCLUDES_%s' % use
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try:
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tg = self.bld.get_tgen_by_name(use)
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if 'fake_lib' in tg.features:
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if key in tgen.env:
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includes.extend([l.replace('\\', '/')
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for l in tgen.env[key]])
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except Errors.WafError:
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if key in tgen.env:
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includes.extend([l.replace('\\', '/')
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for l in tgen.env[key]])
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return includes
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def get_genlist(self, tgen, name):
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lst = Utils.to_list(getattr(tgen, name, []))
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lst = [str(l.path_from(tgen.path)) if hasattr(
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l, 'path_from') else l for l in lst]
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return [l.replace('\\', '/') for l in lst]
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4
wscript
4
wscript
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@ -100,7 +100,7 @@ REFDLLS = [
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]
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def options(opt):
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opt.load('reconfigure compiler_optimizations xshlib xcompile compiler_cxx compiler_c sdl2 clang_compilation_database strip_on_install waf_unit_test msdev msvs msvc subproject')
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opt.load('reconfigure compiler_optimizations xshlib xcompile compiler_cxx compiler_c sdl2 clang_compilation_database strip_on_install waf_unit_test msdev msvs msvc subproject cmake')
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grp = opt.add_option_group('Common options')
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@ -176,7 +176,7 @@ def configure(conf):
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if conf.env.COMPILER_CC == 'msvc':
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conf.load('msvc_pdb')
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conf.load('msvs msdev subproject gitversion clang_compilation_database strip_on_install waf_unit_test enforce_pic')
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conf.load('msvs msdev subproject gitversion clang_compilation_database strip_on_install waf_unit_test enforce_pic cmake')
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# Force XP compatibility, all build targets should add subsystem=bld.env.MSVC_SUBSYSTEM
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if conf.env.MSVC_TARGETS[0] == 'x86':
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