mirror of https://gerrit.osmocom.org/osmo-ci
osmo-depcheck: script to verify PKG_CHECK_MODULES
This script verifies that Osomcom programs really build with the dependency versions they claim to support in configure.ac. In order to do that, it clones the dependency repositories if they don't exist already, and checks out the minimum version tag. This happens recursively for their dependencies as well. See 'osmo-depcheck.py -h' for the full usage instructions. There's also a new jenkins job in jobs/osmocom-depcheck.yml. Change-Id: I8f495dbe030775f66ac125e60ded95c5d7660b65 Relates: OS#2642
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---
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- project:
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name: Osmocom-depcheck
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jobs:
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- Osmocom-depcheck
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- job-template:
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name: 'Osmocom-depcheck'
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project-type: freestyle
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defaults: global
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description: |
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Verifies that Osmocom programs really build with the dependency
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versions they claim to support in configure.ac.
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(Generated by job-builder)
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node: osmocom-master-debian9
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parameters:
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- string:
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name: PROJECTS
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description: |
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Which Osmocom projects and revisions to build, leave
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empty to default to all projects (!),
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default revision is "master".
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Examples: "osmo-hlr", "osmo-hlr:0.2.1 osmo-bts:0.8.1"
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default: 'osmo-hlr:0.2.1'
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- string:
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name: GIT_URL_PREFIX
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description: |
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Where to clone the sources from
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default: 'git://git.osmocom.org/'
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- bool:
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name: BUILD
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description: |
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Attempt to build the project with the minimum dependency
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versions found in the configure.ac files. If this is unchecked,
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this job will only clone the git repositories and parse the
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configure.ac files.
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default: true
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- bool:
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name: PRINT_OLD_DEPENDS
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description: |
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Report dependencies on old releases (printed after the other
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parsing output, before the build starts)
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default: false
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- string:
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name: BRANCH
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description: |
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Branch where the osmo-depcheck.py script gets pulled from.
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Only modify this if you are hacking on osmo-depcheck.py.
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default: '*/master'
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builders:
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- shell: |
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# Build the arguments
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args="$PROJECTS"
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args="$args -j 5"
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args="$args -g $PWD/DEPCHECK_GITDIR"
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args="$args -u $GIT_URL_PREFIX"
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[ "$BUILD" = "true" ] && args="$args -b"
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[ "$PRINT_OLD_DEPENDS" = "true" ] && args="$args -o"
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# Run osmo-depcheck
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mkdir DEPCHECK_GITDIR
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export PYTHONUNBUFFERED=1
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scripts/osmo-depcheck/osmo-depcheck.py $args
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scm:
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- git:
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branches:
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- '$BRANCH'
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url: git://git.osmocom.org/osmo-ci
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git-config-name: 'Jenkins Builder'
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git-config-email: 'jenkins@osmocom.org'
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# vim: expandtab tabstop=2 shiftwidth=2
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright 2018 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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import atexit
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import collections
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import sys
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import os
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import shutil
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import subprocess
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import tempfile
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def next_buildable(depends, done):
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""" Find the next program that can be built, because it has all
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dependencies satisfied. Initially this would be libosmocore, as it has
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no dependencies, then the only library that depends on libosmocore and
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so on.
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:param depends: return value of dependencies.generate()
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:param done: ordered dict of programs that would already have been
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built at this point.
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Example: {"lib-a": "0.11.0", "lib-b": "0.5.0"}
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"""
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# Iterate over dependencies
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for program, data in depends.items():
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# Skip what's already done
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if program in done:
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continue
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# Check for missing dependencies
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depends_done = True
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for depend in data["depends"]:
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if depend not in done:
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depends_done = False
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break
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# All dependencies satisfied: we have a winner!
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if depends_done:
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return program, data["version"]
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# Impossible to build the dependency tree
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print_dict(done)
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print("ERROR: can't figure out how to build the rest!")
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sys.exit(1)
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def generate(depends):
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""" Generate an ordered dictionary with the right build order.
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:param depends: return value of dependencies.generate()
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:returns: an ordered dict like the following:
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{"libosmocore": "0.11.0",
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"libosmo-abis": "0.5.0",
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"osmo-bts": "master"} """
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# Iterate over dependencies
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ret = collections.OrderedDict()
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count = len(depends.keys())
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while len(ret) != count:
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# Continue with the one without unsatisfied dependencies
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program, version = next_buildable(depends, ret)
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ret[program] = version
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return ret
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def print_dict(stack):
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""" Print the whole build stack.
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:param stack: return value from generate() above """
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print("Build order:")
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for program, version in stack.items():
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print(" * " + program + ":" + version)
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def temp_install_folder():
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""" Generate a temporary installation folder
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It will be used as configure prefix, so when running 'make install',
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the files will get copied in there instead of "/usr/local/". The folder
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will get removed when the script has finished.
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:returns: the path to the temporary folder """
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ret = tempfile.mkdtemp(prefix="depcheck_")
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atexit.register(shutil.rmtree, ret)
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print("Temporary install folder: " + ret)
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return ret
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def set_environment(jobs, tempdir):
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""" Configure the environment variables before running configure, make etc.
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:param jobs: parallel build jobs (for make)
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:param tempdir: temporary installation dir (see temp_install_folder())
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"""
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# Add tempdir to PKG_CONFIG_PATH and LD_LIBRARY_PATH
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extend = {"PKG_CONFIG_PATH": tempdir + "/lib/pkgconfig",
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"LD_LIBRARY_PATH": tempdir + "/lib"}
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for env_var, folder in extend.items():
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old = os.environ[env_var] if env_var in os.environ else ""
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os.environ[env_var] = old + ":" + folder
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# Set JOBS for make
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os.environ["JOBS"] = str(jobs)
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def build(gitdir, jobs, stack):
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""" Build one program with all its dependencies.
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:param gitdir: folder to which the sources will be cloned
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:param jobs: parallel build jobs (for make)
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:param stack: the build stack as returned by generate() above
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The dependencies.clone() function has already downloaded missing
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sources and checked out the right version tags. So in this function we
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can directly enter the source folder and run the build commands.
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Notes about the usage of 'make clean' and 'make distclean':
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* Without 'make clean' we might have files in the build directory with
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a different prefix hardcoded (e.g. from a previous run of
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osmo-depcheck):
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<https://lists.gnu.org/archive/html/libtool/2006-12/msg00011.html>
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* 'make distclean' gets used to remove everything that mentioned the
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prefix set by osmo-depcheck. That way the user won't have it set
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anymore in case they decide to compile the code again manually from
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the source folder. """
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# Prepare the install folder and environment
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tempdir = temp_install_folder()
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unitdir = tempdir + "/lib/systemd/system/"
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set_environment(jobs, tempdir)
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# Iterate over stack
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for program, version in stack.items():
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print("Building " + program + ":" + version)
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os.chdir(gitdir + "/" + program)
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# Run the build commands
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commands = [["autoreconf", "-fi"],
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["./configure", "--prefix", tempdir,
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"--with-systemdsystemunitdir=" + unitdir],
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["make", "clean"],
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["make"],
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["make", "install"],
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["make", "distclean"]]
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for command in commands:
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print("+ " + " ".join(command))
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subprocess.run(command, check=True)
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright 2018 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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# Where to clone sources from (with trailing slash)
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git_url_prefix = "git://git.osmocom.org/"
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# Default projects to build when none are specified on the command line
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projects = ("osmo-bts",
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"osmo-pcu",
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"osmo-hlr",
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"osmo-mgw",
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"osmo-msc",
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"osmo-sgsn",
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"osmo-ggsn")
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# Libraries coming from Osmocom repositories (glob patterns)
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# All other libraries (e.g. libsystemd) are ignored by this script, even if
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# they are mentioned with PKG_CHECK_MODULES in configure.ac.
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relevant_library_patterns = ("libasn1c",
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"libgtp",
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"libosmo*")
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# Library locations in the git repositories
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# Libraries that have the same name as the git repository don't need to be
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# listed here. Left: repository name, right: libraries
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repos = {"libosmocore": ("libosmocodec",
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"libosmocoding",
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"libosmoctrl",
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"libosmogb",
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"libosmogsm",
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"libosmosim",
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"libosmovty"),
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"libosmo-abis": ("libosmoabis",
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"libosmotrau"),
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"libosmo-sccp": ("libosmo-mtp",
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"libosmo-sigtran",
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"libosmo-xua"),
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"osmo-ggsn": ("libgtp"),
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"osmo-hlr": ("libosmo-gsup-client"),
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"osmo-iuh": ("libosmo-ranap"),
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"osmo-mgw": ("libosmo-mgcp-client",
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"libosmo-legacy-mgcp")}
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright 2018 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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import collections
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import os
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import subprocess
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import sys
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# Same folder
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import parse
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def git_clone(gitdir, prefix, repository, version):
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""" Clone a missing git repository and checkout a specific version tag.
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:param gitdir: folder to which the sources will be cloned
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:param prefix: git url prefix (e.g. "git://git.osmocom.org/")
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:param repository: Osmocom git repository name (e.g. "libosmo-abis")
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:param version: "master" or a version tag like "0.11.0" """
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# Clone when needed
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if not os.path.exists(gitdir + "/" + repository):
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url = prefix + repository
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print("Cloning git repo: " + url)
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try:
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subprocess.run(["git", "-C", gitdir, "clone", "-q", url],
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check=True)
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except subprocess.CalledProcessError:
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print("NOTE: if '" + repository + "' is part of a git repository"
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" with a different name, please add it to the mapping in"
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" 'config.py' and try again.")
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sys.exit(1)
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# Checkout the version tag
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subprocess.run(["git", "-C", gitdir + "/" + repository, "checkout",
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version, "-q"], check=True)
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def generate(gitdir, prefix, initial, rev):
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""" Generate the dependency graph of an Osmocom program by cloning the git
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repository, parsing the "configure.ac" file, and recursing.
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:param gitdir: folder to which the sources will be cloned
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:param prefix: git url prefix (e.g. "git://git.osmocom.org/")
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:param initial: the first program to look at (e.g. "osmo-bts")
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:param rev: the git revision to check out ("master", "0.1.0", ...)
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:returns: a dictionary like the following:
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{"osmo-bts": {"version": "master",
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"depends": {"libosmocore": "0.11.0",
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"libosmo-abis": "0.5.0"}},
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"libosmocore": {"version": "0.11.0",
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"depends": {}},
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"libosmo-abis": {"version": "0.5.0",
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"depends": {"libosmocore": "0.11.0"}} """
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# Iterate over stack
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stack = collections.OrderedDict({initial: rev})
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ret = collections.OrderedDict()
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while len(stack):
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# Pop program from stack
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program, version = next(iter(stack.items()))
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del stack[program]
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# Skip when already parsed
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if program in ret:
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continue
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# Add the programs dependencies to the stack
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print("Looking at " + program + ":" + version)
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git_clone(gitdir, prefix, program, version)
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depends = parse.configure_ac(gitdir, program)
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stack.update(depends)
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# Add the program to the ret
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ret[program] = {"version": version, "depends": depends}
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return ret
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def print_dict(depends):
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""" Print the whole dependency graph.
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:param depends: return value from generate() above """
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print("Dependency graph:")
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for program, data in depends.items():
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version = data["version"]
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depends = data["depends"]
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print(" * " + program + ":" + version + " depends: " + str(depends))
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def git_latest_tag(gitdir, repository):
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""" Get the last release string by asking git for the latest tag.
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:param gitdir: folder to which the sources will be cloned
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:param repository: Osmocom git repository name (e.g. "libosmo-abis")
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:returns: the latest git tag (e.g. "1.0.2") """
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dir = gitdir + "/" + repository
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complete = subprocess.run(["git", "-C", dir, "describe", "--abbrev=0",
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"master"], check=True, stdout=subprocess.PIPE)
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return complete.stdout.decode().rstrip()
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def print_old(gitdir, depends):
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""" Print dependencies tied to an old release tag
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:param gitdir: folder to which the sources will be cloned
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:param depends: return value from generate() above """
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print("Dependencies on old releases:")
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for program, data in depends.items():
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for depend, version in data["depends"].items():
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latest = git_latest_tag(gitdir, depend)
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if latest == version:
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continue
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print(" * " + program + ":" + data["version"] + " -> " +
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depend + ":" + version + " (latest: " + latest + ")")
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#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright 2018 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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import argparse
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import os
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import sys
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# Same folder
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import config
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import dependencies
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import buildstack
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def parse_arguments():
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# Create argparser
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description = ("This script verifies that Osmocom programs really build"
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" with the dependency versions they claim to support in"
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" configure.ac. In order to do that, it clones the"
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" dependency repositories if they don't exist in gitdir"
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" already, and checks out the minimum version tag. This"
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" happens recursively for their dependencies as well.")
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parser = argparse.ArgumentParser(description=description)
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# Git sources folder
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gitdir_default = os.path.expanduser("~") + "/code"
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parser.add_argument("-g", "--gitdir", default=gitdir_default,
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help="folder to which the sources will be cloned"
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" (default: " + gitdir_default + ")")
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# Build switch
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parser.add_argument("-b", "--build", action="store_true",
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help="don't only parse the dependencies, but also try"
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" to build the program")
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# Build switch
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parser.add_argument("-o", "--old", action="store_true",
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help="report dependencies on old releases")
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# Job count
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parser.add_argument("-j", "--jobs", type=int,
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help="parallel build jobs (for make)")
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# Git URL prefix
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parser.add_argument("-u", "--git-url-prefix", dest="prefix",
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default=config.git_url_prefix,
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help="where to clone the sources from (default: " +
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config.git_url_prefix + ")")
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# Projects
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parser.add_argument("projects_revs", nargs="*", default=config.projects,
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help="which Osmocom projects to look at"
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" (e.g. 'osmo-hlr:0.2.1', 'osmo-bts', defaults to"
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" all projects defined in config.py, default"
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" revision is 'master')",
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metavar="project[:revision]")
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# Gitdir must exist
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ret = parser.parse_args()
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if not os.path.exists(ret.gitdir):
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print("ERROR: gitdir does not exist: " + ret.gitdir)
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sys.exit(1)
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return ret
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def main():
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# Iterate over projects
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args = parse_arguments()
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for project_rev in args.projects_revs:
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# Split the git revision from the project name
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project = project_rev
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rev = "master"
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if ":" in project_rev:
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project, rev = project_rev.split(":", 1)
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# Clone and parse the repositories
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depends = dependencies.generate(args.gitdir, args.prefix, project, rev)
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print("---")
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dependencies.print_dict(depends)
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stack = buildstack.generate(depends)
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print("---")
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buildstack.print_dict(stack)
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# Old versions
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if args.old:
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print("---")
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dependencies.print_old(args.gitdir, depends)
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# Build
|
||||
if args.build:
|
||||
print("---")
|
||||
buildstack.build(args.gitdir, args.jobs, stack)
|
||||
|
||||
# Success
|
||||
print("---")
|
||||
print("Success for " + project + ":" + rev + "!")
|
||||
print("---")
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
|
|
@ -0,0 +1,116 @@
|
|||
# SPDX-License-Identifier: GPL-2.0-or-later
|
||||
# Copyright 2018 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
|
||||
|
||||
import sys
|
||||
import fnmatch
|
||||
|
||||
# Same folder
|
||||
import config
|
||||
|
||||
|
||||
def error(line_i, message):
|
||||
""" Print a configure.ac error message with the line number.
|
||||
:param line_i: the zero based line counter """
|
||||
print("ERROR: configure.ac line " + str(line_i+1) + ": " + message)
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
def repository(library, version):
|
||||
""" Find the git repository that contains a certain library. Based on the
|
||||
information in config.py.
|
||||
|
||||
:param library: the name as referenced in the PKG_CHECK_MODULES
|
||||
statement. For example: "libosmoabis"
|
||||
:param version: for example "0.5.0"
|
||||
:returns: the repository name, e.g. "libosmo-abis" """
|
||||
for repo, libraries in config.repos.items():
|
||||
if library in libraries:
|
||||
print(" * " + library + ":" + version + " (part of " + repo + ")")
|
||||
return repo
|
||||
|
||||
print(" * " + library + ":" + version)
|
||||
return library
|
||||
|
||||
|
||||
def library_is_relevant(library):
|
||||
""" :returns: True when we would build the library in question from source,
|
||||
False otherwise. """
|
||||
for pattern in config.relevant_library_patterns:
|
||||
if fnmatch.fnmatch(library, pattern):
|
||||
return True
|
||||
return False
|
||||
|
||||
|
||||
def parse_condition(line):
|
||||
""" Find the PKG_CHECK_MODULES conditions in any line from a configure.ac.
|
||||
|
||||
Example lines:
|
||||
PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.10.0)
|
||||
PKG_CHECK_MODULES(LIBSYSTEMD, libsystemd)
|
||||
|
||||
:returns: * None when there's no condition in that line
|
||||
* a string like "libosmocore >= 0.1.0" """
|
||||
# Only look at PKG_CHECK_MODULES lines
|
||||
if "PKG_CHECK_MODULES" not in line:
|
||||
return
|
||||
|
||||
# Extract the condition
|
||||
ret = line.split(",")[1].split(")")[0].strip()
|
||||
|
||||
# Only look at Osmocom libraries
|
||||
library = ret.split(" ")[0]
|
||||
if library_is_relevant(library):
|
||||
return ret
|
||||
|
||||
|
||||
def library_version(line_i, condition):
|
||||
""" Get the library and version strings from a condition.
|
||||
:param line_i: the zero based line counter
|
||||
:param condition: a condition like "libosmocore >= 0.1.0" """
|
||||
# Split by space and remove empty list elements
|
||||
split = list(filter(None, condition.split(" ")))
|
||||
if len(split) != 3:
|
||||
error(line_i, "invalid condition format, expected something"
|
||||
" like 'libosmocore >= 0.10.0' but got: '" +
|
||||
condition + "'")
|
||||
library, operator, version = split
|
||||
|
||||
# Right operator
|
||||
if operator == ">=":
|
||||
return (library, version)
|
||||
|
||||
# Wrong operator
|
||||
error(line_i, "invalid operator, expected '>=' but got: '" +
|
||||
operator + "'")
|
||||
|
||||
|
||||
def configure_ac(gitdir, repo):
|
||||
""" Parse the PKG_CHECK_MODULES statements of a configure.ac file.
|
||||
|
||||
:param gitdir: parent folder of all locally cloned git repositories
|
||||
:param repo: the repository to look at (e.g. "osmo-bts")
|
||||
:returns: a dictionary like the following:
|
||||
{"libosmocore": "0.11.0",
|
||||
"libosmo-abis": "0.5.0"} """
|
||||
# Read configure.ac
|
||||
path = gitdir + "/" + repo + "/configure.ac"
|
||||
with open(path) as handle:
|
||||
lines = handle.readlines()
|
||||
|
||||
# Parse the file into ret
|
||||
ret = {}
|
||||
for i in range(0, len(lines)):
|
||||
# Parse the line
|
||||
condition = parse_condition(lines[i])
|
||||
if not condition:
|
||||
continue
|
||||
(library, version) = library_version(i, condition)
|
||||
|
||||
# Add to ret (with duplicate check)
|
||||
repo_dependency = repository(library, version)
|
||||
if repo_dependency in ret and version != ret[repo_dependency]:
|
||||
error(i, "found multiple PKG_CHECK_MODULES statements for " +
|
||||
repo_dependency + ".git, and they have different"
|
||||
" versions!")
|
||||
ret[repo_dependency] = version
|
||||
return ret
|
||||
Loading…
Reference in New Issue