diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/build-many-glibcs.py | 83 |
1 files changed, 73 insertions, 10 deletions
diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py index 1447e22..72f22a8 100755 --- a/scripts/build-many-glibcs.py +++ b/scripts/build-many-glibcs.py @@ -32,6 +32,7 @@ configurations for which compilers or glibc are to be built. """ import argparse +import json import os import re import shutil @@ -44,12 +45,14 @@ import urllib.request class Context(object): """The global state associated with builds in a given directory.""" - def __init__(self, topdir, parallelism, keep, action): + def __init__(self, topdir, parallelism, keep, replace_sources, action): """Initialize the context.""" self.topdir = topdir self.parallelism = parallelism self.keep = keep + self.replace_sources = replace_sources self.srcdir = os.path.join(topdir, 'src') + self.versions_json = os.path.join(self.srcdir, 'versions.json') self.installdir = os.path.join(topdir, 'install') self.host_libraries_installdir = os.path.join(self.installdir, 'host-libraries') @@ -65,6 +68,7 @@ class Context(object): self.glibc_configs = {} self.makefile_pieces = ['.PHONY: all\n'] self.add_all_configs() + self.load_versions_json() def get_build_triplet(self): """Determine the build triplet with config.guess.""" @@ -559,6 +563,32 @@ class Context(object): for c in configs: self.glibc_configs[c].build() + def load_versions_json(self): + """Load information about source directory versions.""" + if not os.access(self.versions_json, os.F_OK): + self.versions = {} + return + with open(self.versions_json, 'r') as f: + self.versions = json.load(f) + + def store_json(self, data, filename): + """Store information in a JSON file.""" + filename_tmp = filename + '.tmp' + with open(filename_tmp, 'w') as f: + json.dump(data, f, indent=2, sort_keys=True) + os.rename(filename_tmp, filename) + + def store_versions_json(self): + """Store information about source directory versions.""" + self.store_json(self.versions, self.versions_json) + + def set_component_version(self, component, version, explicit, revision): + """Set the version information for a component.""" + self.versions[component] = {'version': version, + 'explicit': explicit, + 'revision': revision} + self.store_versions_json() + def checkout(self, versions): """Check out the desired component versions.""" default_versions = {'binutils': 'vcs-2.27', @@ -569,6 +599,7 @@ class Context(object): 'mpc': '1.0.3', 'mpfr': '3.1.5'} use_versions = {} + explicit_versions = {} for v in versions: found_v = False for k in default_versions.keys(): @@ -579,6 +610,7 @@ class Context(object): print('error: multiple versions for %s' % k) exit(1) use_versions[k] = vx + explicit_versions[k] = True found_v = True break if not found_v: @@ -586,19 +618,36 @@ class Context(object): exit(1) for k in default_versions.keys(): if k not in use_versions: - use_versions[k] = default_versions[k] + if k in self.versions and self.versions[k]['explicit']: + use_versions[k] = self.versions[k]['version'] + explicit_versions[k] = True + else: + use_versions[k] = default_versions[k] + explicit_versions[k] = False os.makedirs(self.srcdir, exist_ok=True) for k in sorted(default_versions.keys()): update = os.access(self.component_srcdir(k), os.F_OK) v = use_versions[k] + if (update and + k in self.versions and + v != self.versions[k]['version']): + if not self.replace_sources: + print('error: version of %s has changed from %s to %s, ' + 'use --replace-sources to check out again' % + (k, self.versions[k]['version'], v)) + exit(1) + shutil.rmtree(self.component_srcdir(k)) + update = False if v.startswith('vcs-'): - self.checkout_vcs(k, v[4:], update) + revision = self.checkout_vcs(k, v[4:], update) else: self.checkout_tar(k, v, update) + revision = v + self.set_component_version(k, v, explicit_versions[k], revision) def checkout_vcs(self, component, version, update): """Check out the given version of the given component from version - control.""" + control. Return a revision identifier.""" if component == 'binutils': git_url = 'git://sourceware.org/git/binutils-gdb.git' if version == 'mainline': @@ -606,7 +655,7 @@ class Context(object): else: trans = str.maketrans({'.': '_'}) git_branch = 'binutils-%s-branch' % version.translate(trans) - self.git_checkout(component, git_url, git_branch, update) + return self.git_checkout(component, git_url, git_branch, update) elif component == 'gcc': if version == 'mainline': branch = 'trunk' @@ -614,21 +663,22 @@ class Context(object): trans = str.maketrans({'.': '_'}) branch = 'branches/gcc-%s-branch' % version.translate(trans) svn_url = 'svn://gcc.gnu.org/svn/gcc/%s' % branch - self.gcc_checkout(svn_url, update) + return self.gcc_checkout(svn_url, update) elif component == 'glibc': git_url = 'git://sourceware.org/git/glibc.git' if version == 'mainline': git_branch = 'master' else: git_branch = 'release/%s/master' % version - self.git_checkout(component, git_url, git_branch, update) + r = self.git_checkout(component, git_url, git_branch, update) self.fix_glibc_timestamps() + return r else: print('error: component %s coming from VCS' % component) exit(1) def git_checkout(self, component, git_url, git_branch, update): - """Check out a component from git.""" + """Check out a component from git. Return a commit identifier.""" if update: subprocess.run(['git', 'remote', 'prune', 'origin'], cwd=self.component_srcdir(component), check=True) @@ -637,6 +687,11 @@ class Context(object): else: subprocess.run(['git', 'clone', '-q', '-b', git_branch, git_url, self.component_srcdir(component)], check=True) + r = subprocess.run(['git', 'rev-parse', 'HEAD'], + cwd=self.component_srcdir(component), + stdout=subprocess.PIPE, + check=True, universal_newlines=True).stdout + return r.rstrip() def fix_glibc_timestamps(self): """Fix timestamps in a glibc checkout.""" @@ -652,12 +707,16 @@ class Context(object): subprocess.run(['touch', to_touch], check=True) def gcc_checkout(self, svn_url, update): - """Check out GCC from SVN.""" + """Check out GCC from SVN. Return the revision number.""" if not update: subprocess.run(['svn', 'co', '-q', svn_url, self.component_srcdir('gcc')], check=True) subprocess.run(['contrib/gcc_update', '--silent'], cwd=self.component_srcdir('gcc'), check=True) + r = subprocess.run(['svnversion', self.component_srcdir('gcc')], + stdout=subprocess.PIPE, + check=True, universal_newlines=True).stdout + return r.rstrip() def checkout_tar(self, component, version, update): """Check out the given version of the given component from a @@ -1125,6 +1184,9 @@ def get_parser(): help='Whether to keep all build directories, ' 'none or only those from failed builds', default='none', choices=('none', 'all', 'failed')) + parser.add_argument('--replace-sources', action='store_true', + help='Remove and replace source directories ' + 'with the wrong version of a component') parser.add_argument('topdir', help='Toplevel working directory') parser.add_argument('action', @@ -1142,7 +1204,8 @@ def main(argv): parser = get_parser() opts = parser.parse_args(argv) topdir = os.path.abspath(opts.topdir) - ctx = Context(topdir, opts.parallelism, opts.keep, opts.action) + ctx = Context(topdir, opts.parallelism, opts.keep, opts.replace_sources, + opts.action) ctx.run_builds(opts.action, opts.configs) |