mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-11 02:29:27 +00:00
Add a script to setup a developement environment based on msys2
This environment is meant to be setup in a Visual Studio 'Native X64 tools' terminal, and takes for granted that msys2 has been installed, Visual Studio has C(++) support has been installed and python3 is installed and is present in PATH. https://bugzilla.gnome.org/show_bug.cgi?id=775281
This commit is contained in:
Thibault Saunier
Thibault Saunier
parent
954c27641d
commit
1c46eb2751
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@ -8,6 +8,7 @@ import re
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import site
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import shutil
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import subprocess
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import sys
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import tempfile
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from common import get_meson
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@ -73,7 +74,7 @@ def get_subprocess_env(options):
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lib_path_envvar = 'LD_LIBRARY_PATH'
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meson, mesonconf, mesonintrospect = get_meson()
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targets_s = subprocess.check_output([mesonintrospect, options.builddir, '--targets'])
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targets_s = subprocess.check_output([sys.executable, mesonintrospect, options.builddir, '--targets'])
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targets = json.loads(targets_s.decode())
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for target in targets:
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filename = target['filename']
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@ -85,7 +86,7 @@ def get_subprocess_env(options):
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if target.get('type') != "shared library":
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continue
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if "lib/gstreamer-1.0" in os.path.normpath(target.get('install_filename')):
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if os.path.normpath("lib/gstreamer-1.0") in os.path.normpath(target.get('install_filename')):
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continue
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prepend_env_var(env, lib_path_envvar,
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172
msys2_setup.py
Normal file
172
msys2_setup.py
Normal file
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@ -0,0 +1,172 @@
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#!/usr/bin/env python3
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"""Setup meson based GStreamer uninstalled environment based on msys2."""
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import argparse
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import itertools
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import os
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import re
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import sys
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import shutil
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import subprocess
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import tempfile
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from common import git
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from setup import GstBuildConfigurer
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PROJECTNAME = "GStreamer build"
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ROOTDIR = os.path.abspath(os.path.dirname(__file__))
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class Msys2Configurer(GstBuildConfigurer):
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MESON_GIT = 'https://github.com/mesonbuild/meson.git'
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DEPENDENCIES = ['git',
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'bison',
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'mingw-w64-x86_64-pkg-config',
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'mingw-w64-x86_64-ninja',
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'mingw-w64-x86_64-libxml2',
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'mingw-w64-x86_64-ffmpeg',
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'mingw-w64-x86_64-python3',
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'mingw-w64-x86_64-json-glib']
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LIBNAME_EXCEPTIONS = {
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'zlib1.lib': 'z.lib',
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# Fancy, but it seems to be the correct way to do it
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'eay32.lib': 'crypto.lib',
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'ssleay32.lib': 'ssl.lib',
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}
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def get_libname(self, dll_name):
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lib_name = re.sub(r'(?:lib)?(.*?)(?:-\d+)?\.dll', r'\1.lib', dll_name)
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for exception_name, exception_libname in self.LIBNAME_EXCEPTIONS.items():
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if re.findall(exception_name, lib_name):
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return exception_libname
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return lib_name
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def make_lib(self, lib, dll, dll_name):
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print('%s... ' % os.path.basename(lib), end='')
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try:
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os.remove(lib)
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except FileNotFoundError:
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pass
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dumpbin = subprocess.check_output(['dumpbin', '/exports', dll])
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lines = dumpbin.decode().splitlines()
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export_start = [i for i in enumerate(
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lines) if i[1].find('ordinal hint') != -1][0][0] + 2
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exports = itertools.takewhile(lambda x: x != '', lines[export_start:])
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exports = [i.split() for i in exports]
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def_file = tempfile.NamedTemporaryFile(
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suffix='.def', delete=False, mode='w')
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def_file.write('LIBRARY ' + dll_name + '\r\n')
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def_file.write('EXPORTS\r\n')
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for ordinal, _, _, name in exports:
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def_file.write(name + ' @' + ordinal + '\r\n')
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def_file.close()
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subprocess.check_output(['lib', '/def:' + def_file.name,
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'/out:' + lib])
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os.remove(def_file.name)
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def make_lib_if_needed(self, dll):
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if not dll.endswith('.dll'):
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return
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lib_dir, dll_name = os.path.split(dll)
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if lib_dir.endswith('bin'):
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lib_dir = lib_dir[:-3] + 'lib'
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lib_name = self.get_libname(dll_name)
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lib = os.path.join(lib_dir, lib_name)
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if os.path.exists(lib) and os.stat(dll).st_mtime_ns < os.stat(lib).st_mtime_ns:
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return
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print('Generating .lib file for %s ...' % os.path.basename(dll), end='')
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self.make_lib(lib, dll, dll_name)
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print('DONE')
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def make_libs(self):
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base = os.path.join(self.options.msys2_path, 'mingw64', 'bin')
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for f in os.listdir(base):
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if f.endswith('.dll'):
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self.make_lib_if_needed(os.path.join(base, f))
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def get_configs(self):
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return GstBuildConfigurer.get_configs(self) + [
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'-D' + m + ':disable_introspection=true' for m in [
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'gst-devtools', 'gstreamer', 'gst-plugins-base',
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'gst-editing-services']]
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def setup(self):
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if not os.path.exists(self.options.msys2_path):
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print("msys2 not found in %s. Please make sure to install"
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" (from http://msys2.github.io/) specify --msys2-path"
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" if you did not install in the default directory.")
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return False
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for path in ['mingw64/bin', 'bin', 'usr/bin']:
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os.environ['PATH'] = os.environ.get(
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'PATH', '') + os.pathsep + os.path.normpath(os.path.join(self.options.msys2_path, path))
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os.environ['PATH'] = os.environ['PATH'].replace(';;', ';')
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os.environ['PKG_CONFIG_PATH'] = os.environ.get(
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'PKG_CONFIG_PATH', '') + ':/mingw64/lib/pkgconfig:/mingw64/share/pkgconfig'
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subprocess.check_call(
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['pacman', '-S', '--needed'] + self.DEPENDENCIES, env=os.environ)
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source_path = os.path.abspath(os.path.curdir)
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print('Making sure meson is present in root folder... ', end='')
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if not os.path.isdir(os.path.join(source_path, 'meson')):
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print('\nCloning meson')
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git('clone', self.MESON_GIT, repository_path=source_path)
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else:
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print('\nDONE')
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print("Making libs")
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self.make_libs()
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if not os.path.exists(os.path.join(source_path, 'build', 'build.ninja')) or \
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self.options.reconfigure:
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print("Done making .lib files.")
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print("Running meson")
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if not self.configure_meson():
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return False
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print("Getting into msys2 environment")
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try:
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subprocess.call([sys.executable,
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os.path.join(source_path, 'gst-uninstalled.py'),
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'--builddir', os.path.join(source_path, 'build')])
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except subprocess.CalledProcessError as e:
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return False
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return True
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Process some integers.')
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parser.add_argument("--reconfigure", action='store_true',
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default=False, help='Force a full reconfiguration'
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' meaning the build/ folder is removed.'
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' You can also use `ninja reconfigure` to just'
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' make sure meson is rerun but the build folder'
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' is kept.')
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if os.name != 'nt':
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print("Using this script outside windows does not make sense.")
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exit(1)
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parser.add_argument("-m", "--msys2-path", dest="msys2_path",
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help="Where to find msys2 root directory."
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"(deactivates msys if unset)",
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default="C:\msys64")
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options, args = parser.parse_known_args()
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if not shutil.which('cl'):
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print("Can not find MSVC on windows,"
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" make sure you are in a 'Visual Studio"
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" Native Tools Command Prompt'")
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exit(1)
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configurer = Msys2Configurer(options, args)
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exit(not configurer.setup())
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66
setup
66
setup
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@ -1,66 +0,0 @@
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#!/usr/bin/env python3
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"""Script for generating the Makefiles."""
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import argparse
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import os
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import sys
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import shutil
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import subprocess
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from common import git
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from common import get_meson
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from common import Colors
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from common import accept_command
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PROJECTNAME = "GStreamer build"
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ROOTDIR = os.path.abspath(os.path.dirname(__file__))
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def get_configs():
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return ['--werror']
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def configure_meson(args, options):
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"""Configures meson and generate the Makefile."""
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meson, mesonconf, mesonintrospect = get_meson()
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if not meson:
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print("Install mesonbuild to build %s: http://mesonbuild.com/\n"
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"You can simply install it with:\n"
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" $ sudo pip3 install meson" % PROJECTNAME)
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exit(1)
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ninja = accept_command(["ninja", "ninja-build"])
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if not ninja:
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print("Install ninja-build to build %s: https://ninja-build.org/"
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% PROJECTNAME)
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exit(1)
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build_dir = os.path.join(ROOTDIR, "build")
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shutil.rmtree(build_dir, True)
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os.mkdir(build_dir)
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try:
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subprocess.check_call([sys.executable, meson, "../"] + args + get_configs(), cwd=build_dir)
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print("\nYou can now build GStreamer and its various subprojects running:\n"
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" $ ninja -C %s" % build_dir)
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except subprocess.CalledProcessError as e:
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print("EXIT meson return %s" % e.returncode)
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exit(1)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Process some integers.')
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parser.add_argument("--no-reconfigure", action='store_true',
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default=False, help='Avoid removing the build dir'
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' if not necessary.')
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options, args = parser.parse_known_args()
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if options.no_reconfigure:
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if os.path.exists(
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ROOTDIR + "/build/build.ninja") and os.path.exists(
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ROOTDIR + "/Makefile"):
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print("Not reconfiguring")
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exit(0)
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configure_meson(args, options)
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77
setup.py
Executable file
77
setup.py
Executable file
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@ -0,0 +1,77 @@
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#!/usr/bin/env python3
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"""Script for generating the Makefiles."""
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import argparse
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import os
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import sys
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import shutil
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import subprocess
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from common import get_meson
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from common import accept_command
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PROJECTNAME = "GStreamer build"
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ROOTDIR = os.path.abspath(os.path.dirname(__file__))
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class GstBuildConfigurer:
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def __init__(self, options, args):
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self.options = options
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self.args = args
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def get_configs(self):
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return ['--werror']
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def configure_meson(self):
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if not self.options.reconfigure:
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if os.path.exists(ROOTDIR + "/build/build.ninja"):
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print("Not reconfiguring")
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return True
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meson, mesonconf, mesonintrospect = get_meson()
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if not meson:
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print("Install mesonbuild to build %s: http://mesonbuild.com/\n"
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"You can simply install it with:\n"
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" $ sudo pip3 install meson" % PROJECTNAME)
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return False
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ninja = accept_command(["ninja", "ninja-build"])
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if not ninja:
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print("Install ninja-build to build %s: https://ninja-build.org/"
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% PROJECTNAME)
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return False
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build_dir = os.path.join(ROOTDIR, "build")
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shutil.rmtree(build_dir, True)
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os.mkdir(build_dir)
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try:
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subprocess.check_call(
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[sys.executable, meson, "../"] + self.args + self.get_configs(), cwd=build_dir)
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print("\nYou can now build GStreamer and its various subprojects running:\n"
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" $ ninja -C %s" % build_dir)
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except subprocess.CalledProcessError:
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return False
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return True
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def setup(self):
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return self.configure_meson()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Process some integers.')
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parser.add_argument("--reconfigure", action='store_true',
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default=False, help='Force a full reconfiguration'
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' meaning the build/ folder is removed.'
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' You can also use `ninja reconfigure` to just'
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' make sure meson is rerun but the build folder'
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' is kept.')
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options, args = parser.parse_known_args()
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configurer = GstBuildConfigurer(options, args)
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exit(not configurer.setup())
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