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sb: Add support to search for a suitable version of python.
The command python has been removed from upstream python and python2 and python3 is now used. This patch wraps the commands in a shell script that locates a suitable python to run. Updates #3537
This commit is contained in:
Chris Johns
@@ -1,226 +1,27 @@
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#! /usr/bin/env python
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#! /bin/sh
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#
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# RTEMS Tools Project (http://www.rtems.org/)
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# Copyright 2014-2016 Chris Johns (chrisj@rtems.org)
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# Copyright 2018 Chris Johns (chrisj@rtems.org)
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# All rights reserved.
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#
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# This file is part of the RTEMS Tools package in 'rtems-tools'.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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from __future__ import print_function
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import os
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import sys
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base = os.path.dirname(sys.argv[0])
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sys.path.insert(0, base + '/sb')
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try:
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import argparse
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except:
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sys.path.insert(0, base + '/sb/imports')
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try:
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import argparse
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except:
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print("Incorrect Source Builder installation", file = sys.stderr)
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sys.exit(1)
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try:
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import pkgconfig
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except ImportError:
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print("Incorrect Source Builder installation", file = sys.stderr)
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sys.exit(1)
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#
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# Make trace true to get a file of what happens and what is being asked.
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#
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trace = True
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trace_stdout = False
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logfile = 'pkg-config.log'
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out = None
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srcfd = None
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#
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# Write all the package source parsed to a single file.
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#
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trace_src = True
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if trace_src:
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srcfd = open('pkg-src.txt', 'w')
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def src(text):
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if srcfd:
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srcfd.writelines(text)
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def log(s, lf = True):
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global trace, logfile, out
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if trace:
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if out is None:
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if logfile:
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out = open(logfile, 'a')
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else:
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out = sys.stdout
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if lf:
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if out != sys.stdout and trace_stdout:
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print(s)
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print(s, file = out)
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else:
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if out != sys.stdout and trace_stdout:
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print(s, end = '')
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sys.stdout.flush()
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print(s, end = '', file = out)
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def run(argv):
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class version_action(argparse.Action):
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def __call__(self, parser, namespace, values, option_string = None):
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parts = values[0].strip().split('.')
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for p in parts:
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if not p.isdigit():
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raise error('invalid version value: %s' % (values))
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setattr(namespace, self.dest, '.'.join(parts))
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ec = 0
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opts = argparse.ArgumentParser(prog = 'pkg-config', description = 'Package Configuration.')
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opts.add_argument('libraries', metavar='lib', type = str, help = 'a library', nargs = '*')
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opts.add_argument('--modversion', dest = 'modversion', action = 'store', default = None,
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help = 'Requests that the version information of the libraries.')
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opts.add_argument('--print-errors', dest = 'print_errors', action = 'store_true',
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default = False,
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help = 'Print any errors.')
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opts.add_argument('--short-errors', dest = 'short_errors', action = 'store_true',
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default = False,
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help = 'Make error messages short.')
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opts.add_argument('--silence-errors', dest = 'silence_errors', action = 'store_true',
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default = False,
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help = 'Do not print any errors.')
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opts.add_argument('--errors-to-stdout', dest = 'errors_to_stdout', action = 'store_true',
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default = False,
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help = 'Print errors to stdout rather than stderr.')
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opts.add_argument('--cflags', dest = 'cflags', action = 'store_true',
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default = False,
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help = 'This prints pre-processor and compile flags required to' \
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' compile the package(s)')
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opts.add_argument('--libs', dest = 'libs', action = 'store_true',
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default = False,
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help = 'This option is identical to "--cflags", only it prints the' \
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' link flags.')
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opts.add_argument('--libs-only-L', dest = 'libs_only_L', action = 'store_true',
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default = False,
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help = 'This prints the -L/-R part of "--libs".')
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opts.add_argument('--libs-only-l', dest = 'libs_only_l', action = 'store_true',
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default = False,
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help = 'This prints the -l part of "--libs".')
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opts.add_argument('--variable', dest = 'variable', action = 'store',
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nargs = 1, default = None,
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help = 'This returns the value of a variable.')
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opts.add_argument('--define-variable', dest = 'define_variable', action = 'store',
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nargs = 1, default = None,
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help = 'This sets a global value for a variable')
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opts.add_argument('--uninstalled', dest = 'uninstalled', action = 'store_true',
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default = False,
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help = 'Ignored')
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opts.add_argument('--atleast-pkgconfig-version', dest = 'atleast_pkgconfig_version',
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action = 'store', nargs = 1, default = None,
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help = 'Check the version of package config. Always ok.')
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opts.add_argument('--exists', dest = 'exists', action = 'store_true',
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default = False,
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help = 'Test if a library is present')
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opts.add_argument('--atleast-version', dest = 'atleast_version',
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action = version_action, nargs = 1, default = None,
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help = 'The package is at least this version.')
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opts.add_argument('--exact-version', dest = 'exact_version', action = version_action,
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nargs = 1, default = None,
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help = 'The package is the exact version.')
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opts.add_argument('--max-version', dest = 'max_version', action = version_action,
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nargs = 1, default = None,
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help = 'The package is no later than this version.')
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opts.add_argument('--msvc-syntax', dest = 'msvc_syntax', action = 'store_true',
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default = False,
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help = 'Ignored')
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opts.add_argument('--dont-define-prefix', dest = 'dont_define_prefix', action = 'store_true',
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default = False,
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help = 'Ignored')
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opts.add_argument('--prefix-variable', dest = 'prefix', action = 'store',
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nargs = 1, default = pkgconfig.default_prefix(),
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help = 'Define the prefix.')
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opts.add_argument('--static', dest = 'static', action = 'store_true',
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default = False,
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help = 'Output libraries suitable for static linking')
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opts.add_argument('--dump', dest = 'dump', action = 'store_true',
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default = False,
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help = 'Dump the package if one is found.')
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args = opts.parse_args(argv[1:])
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if (args.exists and (args.exact_version or args.max_version)) or \
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(args.exact_version and (args.exists or args.max_version)) or \
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(args.max_version and (args.exists or args.exact_version)):
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raise error('only one of --exists, --exact-version, or --max-version')
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if args.dont_define_prefix:
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args.prefix = pkgconfig.default_prefix(False)
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exists = False
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ec = 1
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if args.atleast_pkgconfig_version:
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ec = 0
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else:
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ec, pkg, flags = pkgconfig.check_package(args.libraries, args, log, src)
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if ec == 0:
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if args.cflags:
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if len(flags['cflags']):
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print(flags['cflags'])
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log('cflags: %s' % (flags['cflags']))
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else:
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log('cflags: empty')
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if args.libs:
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if len(flags['libs']):
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print(flags['libs'])
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log('libs: %s' % (flags['libs']))
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else:
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log('libs: empty')
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#pkgconfig.package.dump_loaded()
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return ec
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try:
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log('-' * 40)
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log('pkg-config', lf = False)
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for a in sys.argv[1:]:
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log(' "%s"' % (a), lf = False)
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log('')
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ec = run(sys.argv)
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log('ec = %d' % (ec))
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except ImportError:
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print("incorrect package config installation", file = sys.stderr)
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sys.exit(1)
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except pkgconfig.error as e:
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print('error: %s' % (e), file = sys.stderr)
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sys.exit(1)
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sys.exit(ec)
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set -e
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base=$(dirname $0)
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PYTHON_CMD=${base}/sb/cmd-pkg-config.py
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if test -f ${base}/sb/python-wrapper.sh; then
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. ${base}/sb/python-wrapper.sh
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fi
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echo "error: python wrapper not found"
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