125 lines
4.3 KiB
Python
Vendored
125 lines
4.3 KiB
Python
Vendored
# MIT License
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#
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# Copyright The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""Platform-specific initialization for POSIX (Linux, UNIX, etc.) systems.
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There normally shouldn't be any need to import this module directly. It
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will usually be imported through the generic SCons.Platform.Platform()
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selection method.
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"""
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import platform
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import subprocess
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from SCons.Platform import TempFileMunge
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from SCons.Platform.virtualenv import ImportVirtualenv
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from SCons.Platform.virtualenv import ignore_virtualenv, enable_virtualenv
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exitvalmap = {
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2 : 127,
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13 : 126,
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}
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def escape(arg):
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"""escape shell special characters"""
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slash = '\\'
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special = '"$'
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arg = arg.replace(slash, slash+slash)
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for c in special:
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arg = arg.replace(c, slash+c)
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# print("ESCAPE RESULT: %s" % arg)
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return '"' + arg + '"'
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def exec_subprocess(l, env):
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proc = subprocess.Popen(l, env = env, close_fds = True)
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return proc.wait()
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def subprocess_spawn(sh, escape, cmd, args, env):
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return exec_subprocess([sh, '-c', ' '.join(args)], env)
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def exec_popen3(l, env, stdout, stderr):
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proc = subprocess.Popen(l, env = env, close_fds = True,
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stdout = stdout,
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stderr = stderr)
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return proc.wait()
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def piped_env_spawn(sh, escape, cmd, args, env, stdout, stderr):
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# spawn using Popen3 combined with the env command
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# the command name and the command's stdout is written to stdout
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# the command's stderr is written to stderr
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return exec_popen3([sh, '-c', ' '.join(args)],
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env, stdout, stderr)
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def generate(env) -> None:
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# Bearing in mind we have python 2.4 as a baseline, we can just do this:
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spawn = subprocess_spawn
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pspawn = piped_env_spawn
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# Note that this means that 'escape' is no longer used
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if 'ENV' not in env:
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env['ENV'] = {}
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env['ENV']['PATH'] = '/usr/local/bin:/opt/bin:/bin:/usr/bin:/snap/bin'
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env['OBJPREFIX'] = ''
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env['OBJSUFFIX'] = '.o'
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env['SHOBJPREFIX'] = '$OBJPREFIX'
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env['SHOBJSUFFIX'] = '$OBJSUFFIX'
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env['PROGPREFIX'] = ''
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env['PROGSUFFIX'] = ''
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env['LIBPREFIX'] = 'lib'
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env['LIBSUFFIX'] = '.a'
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env['SHLIBPREFIX'] = '$LIBPREFIX'
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env['SHLIBSUFFIX'] = '.so'
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env['LIBPREFIXES'] = ['$LIBPREFIX']
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env['LIBSUFFIXES'] = ['$LIBSUFFIX', '$SHLIBSUFFIX']
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env['LIBLITERALPREFIX'] = ''
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env['HOST_OS'] = 'posix'
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env['HOST_ARCH'] = platform.machine()
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env['PSPAWN'] = pspawn
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env['SPAWN'] = spawn
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env['SHELL'] = 'sh'
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env['ESCAPE'] = escape
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env['TEMPFILE'] = TempFileMunge
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env['TEMPFILEPREFIX'] = '@'
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#Based on LINUX: ARG_MAX=ARG_MAX=131072 - 3000 for environment expansion
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#Note: specific platforms might rise or lower this value
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env['MAXLINELENGTH'] = 128072
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# This platform supports RPATH specifications.
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env['__RPATH'] = '$_RPATH'
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# GDC is GCC family, but DMD and LDC have different options.
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# Must be able to have GCC and DMD work in the same build, so:
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env['__DRPATH'] = '$_DRPATH'
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if enable_virtualenv and not ignore_virtualenv:
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ImportVirtualenv(env)
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# Local Variables:
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# tab-width:4
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# indent-tabs-mode:nil
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# End:
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# vim: set expandtab tabstop=4 shiftwidth=4:
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