The Meson Build System
http://mesonbuild.com/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
378 lines
15 KiB
378 lines
15 KiB
# Copyright 2013-2014 The Meson development team |
|
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); |
|
# you may not use this file except in compliance with the License. |
|
# You may obtain a copy of the License at |
|
|
|
# http://www.apache.org/licenses/LICENSE-2.0 |
|
|
|
# Unless required by applicable law or agreed to in writing, software |
|
# distributed under the License is distributed on an "AS IS" BASIS, |
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
# See the License for the specific language governing permissions and |
|
# limitations under the License. |
|
|
|
import sys, pickle, os, shutil, subprocess, gzip, platform, errno |
|
import shlex |
|
from glob import glob |
|
from . import depfixer |
|
from . import destdir_join |
|
from ..mesonlib import is_windows, Popen_safe |
|
|
|
install_log_file = None |
|
selinux_updates = [] |
|
|
|
class DirMaker: |
|
def __init__(self): |
|
self.dirs = [] |
|
|
|
def makedirs(self, path, exist_ok=False): |
|
dirname = os.path.normpath(path) |
|
dirs = [] |
|
while dirname != os.path.dirname(dirname): |
|
if not os.path.exists(dirname): |
|
dirs.append(dirname) |
|
dirname = os.path.dirname(dirname) |
|
os.makedirs(path, exist_ok=exist_ok) |
|
|
|
# store the directories in creation order, with the parent directory |
|
# before the child directories. Future calls of makedir() will not |
|
# create the parent directories, so the last element in the list is |
|
# the last one to be created. That is the first one to be removed on |
|
# __exit__ |
|
dirs.reverse() |
|
self.dirs += dirs |
|
|
|
def __enter__(self): |
|
return self |
|
|
|
def __exit__(self, type, value, traceback): |
|
self.dirs.reverse() |
|
for d in self.dirs: |
|
append_to_log(d) |
|
|
|
def set_mode(path, mode): |
|
if mode is None: |
|
# Keep mode unchanged |
|
return |
|
if (mode.perms_s or mode.owner or mode.group) is None: |
|
# Nothing to set |
|
return |
|
# No chown() on Windows, and must set one of owner/group |
|
if not is_windows() and (mode.owner or mode.group) is not None: |
|
try: |
|
shutil.chown(path, mode.owner, mode.group) |
|
except PermissionError as e: |
|
msg = '{!r}: Unable to set owner {!r} and group {!r}: {}, ignoring...' |
|
print(msg.format(path, mode.owner, mode.group, e.strerror)) |
|
except LookupError: |
|
msg = '{!r}: Non-existent owner {!r} or group {!r}: ignoring...' |
|
print(msg.format(path, mode.owner, mode.group)) |
|
except OSError as e: |
|
if e.errno == errno.EINVAL: |
|
msg = '{!r}: Non-existent numeric owner {!r} or group {!r}: ignoring...' |
|
print(msg.format(path, mode.owner, mode.group)) |
|
else: |
|
raise |
|
# Must set permissions *after* setting owner/group otherwise the |
|
# setuid/setgid bits will get wiped by chmod |
|
# NOTE: On Windows you can set read/write perms; the rest are ignored |
|
if mode.perms_s is not None: |
|
try: |
|
os.chmod(path, mode.perms) |
|
except PermissionError as e: |
|
msg = '{!r}: Unable to set permissions {!r}: {}, ignoring...' |
|
print(msg.format(path, mode.perms_s, e.strerror)) |
|
|
|
def restore_selinux_contexts(): |
|
''' |
|
Restores the SELinux context for files in @selinux_updates |
|
''' |
|
try: |
|
subprocess.check_call(['selinuxenabled']) |
|
except (FileNotFoundError, PermissionError, subprocess.CalledProcessError) as e: |
|
# If we don't have selinux or selinuxenabled returned 1, failure |
|
# is ignored quietly. |
|
return |
|
|
|
with subprocess.Popen(['restorecon', '-F', '-f-', '-0'], |
|
stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) as proc: |
|
out, err = proc.communicate(input=b'\0'.join(os.fsencode(f) for f in selinux_updates) + b'\0') |
|
if proc.returncode != 0: |
|
print('Failed to restore SELinux context of installed files...', |
|
'Standard output:', out.decode(), |
|
'Standard error:', err.decode(), sep='\n') |
|
|
|
def append_to_log(line): |
|
install_log_file.write(line) |
|
if not line.endswith('\n'): |
|
install_log_file.write('\n') |
|
install_log_file.flush() |
|
|
|
def do_copyfile(from_file, to_file): |
|
if not os.path.isfile(from_file): |
|
raise RuntimeError('Tried to install something that isn\'t a file:' |
|
'{!r}'.format(from_file)) |
|
# copyfile fails if the target file already exists, so remove it to |
|
# allow overwriting a previous install. If the target is not a file, we |
|
# want to give a readable error. |
|
if os.path.exists(to_file): |
|
if not os.path.isfile(to_file): |
|
raise RuntimeError('Destination {!r} already exists and is not ' |
|
'a file'.format(to_file)) |
|
os.unlink(to_file) |
|
shutil.copyfile(from_file, to_file) |
|
shutil.copystat(from_file, to_file) |
|
selinux_updates.append(to_file) |
|
append_to_log(to_file) |
|
|
|
def do_copydir(data, src_prefix, src_dir, dst_dir, exclude): |
|
''' |
|
Copies the directory @src_prefix (full path) into @dst_dir |
|
|
|
@src_dir is simply the parent directory of @src_prefix |
|
''' |
|
if exclude is not None: |
|
exclude_files, exclude_dirs = exclude |
|
else: |
|
exclude_files = exclude_dirs = set() |
|
for root, dirs, files in os.walk(src_prefix): |
|
for d in dirs[:]: |
|
abs_src = os.path.join(src_dir, root, d) |
|
filepart = abs_src[len(src_dir) + 1:] |
|
abs_dst = os.path.join(dst_dir, filepart) |
|
# Remove these so they aren't visited by os.walk at all. |
|
if filepart in exclude_dirs: |
|
dirs.remove(d) |
|
continue |
|
if os.path.isdir(abs_dst): |
|
continue |
|
if os.path.exists(abs_dst): |
|
print('Tried to copy directory %s but a file of that name already exists.' % abs_dst) |
|
sys.exit(1) |
|
data.dirmaker.makedirs(abs_dst) |
|
shutil.copystat(abs_src, abs_dst) |
|
for f in files: |
|
abs_src = os.path.join(src_dir, root, f) |
|
filepart = abs_src[len(src_dir) + 1:] |
|
if filepart in exclude_files: |
|
continue |
|
abs_dst = os.path.join(dst_dir, filepart) |
|
if os.path.isdir(abs_dst): |
|
print('Tried to copy file %s but a directory of that name already exists.' % abs_dst) |
|
if os.path.exists(abs_dst): |
|
os.unlink(abs_dst) |
|
parent_dir = os.path.split(abs_dst)[0] |
|
if not os.path.isdir(parent_dir): |
|
os.mkdir(parent_dir) |
|
shutil.copystat(os.path.split(abs_src)[0], parent_dir) |
|
shutil.copy2(abs_src, abs_dst, follow_symlinks=False) |
|
append_to_log(abs_dst) |
|
|
|
def get_destdir_path(d, path): |
|
if os.path.isabs(path): |
|
output = destdir_join(d.destdir, path) |
|
else: |
|
output = os.path.join(d.fullprefix, path) |
|
return output |
|
|
|
def do_install(datafilename): |
|
with open(datafilename, 'rb') as ifile: |
|
d = pickle.load(ifile) |
|
d.destdir = os.environ.get('DESTDIR', '') |
|
d.fullprefix = destdir_join(d.destdir, d.prefix) |
|
|
|
d.dirmaker = DirMaker() |
|
with d.dirmaker: |
|
install_subdirs(d) # Must be first, because it needs to delete the old subtree. |
|
install_targets(d) |
|
install_headers(d) |
|
install_man(d) |
|
install_data(d) |
|
restore_selinux_contexts() |
|
run_install_script(d) |
|
|
|
def install_subdirs(d): |
|
for (src_dir, inst_dir, dst_dir, mode, exclude) in d.install_subdirs: |
|
if src_dir.endswith('/') or src_dir.endswith('\\'): |
|
src_dir = src_dir[:-1] |
|
src_prefix = os.path.join(src_dir, inst_dir) |
|
print('Installing subdir %s to %s' % (src_prefix, dst_dir)) |
|
dst_dir = get_destdir_path(d, dst_dir) |
|
d.dirmaker.makedirs(dst_dir, exist_ok=True) |
|
do_copydir(d, src_prefix, src_dir, dst_dir, exclude) |
|
dst_prefix = os.path.join(dst_dir, inst_dir) |
|
set_mode(dst_prefix, mode) |
|
|
|
def install_data(d): |
|
for i in d.data: |
|
fullfilename = i[0] |
|
outfilename = get_destdir_path(d, i[1]) |
|
mode = i[2] |
|
outdir = os.path.split(outfilename)[0] |
|
d.dirmaker.makedirs(outdir, exist_ok=True) |
|
print('Installing %s to %s' % (fullfilename, outdir)) |
|
do_copyfile(fullfilename, outfilename) |
|
set_mode(outfilename, mode) |
|
|
|
def install_man(d): |
|
for m in d.man: |
|
full_source_filename = m[0] |
|
outfilename = get_destdir_path(d, m[1]) |
|
outdir = os.path.split(outfilename)[0] |
|
d.dirmaker.makedirs(outdir, exist_ok=True) |
|
print('Installing %s to %s' % (full_source_filename, outdir)) |
|
if outfilename.endswith('.gz') and not full_source_filename.endswith('.gz'): |
|
with open(outfilename, 'wb') as of: |
|
with open(full_source_filename, 'rb') as sf: |
|
# Set mtime and filename for reproducibility. |
|
with gzip.GzipFile(fileobj=of, mode='wb', filename='', mtime=0) as gz: |
|
gz.write(sf.read()) |
|
shutil.copystat(full_source_filename, outfilename) |
|
append_to_log(outfilename) |
|
else: |
|
do_copyfile(full_source_filename, outfilename) |
|
|
|
def install_headers(d): |
|
for t in d.headers: |
|
fullfilename = t[0] |
|
fname = os.path.split(fullfilename)[1] |
|
outdir = get_destdir_path(d, t[1]) |
|
outfilename = os.path.join(outdir, fname) |
|
print('Installing %s to %s' % (fname, outdir)) |
|
d.dirmaker.makedirs(outdir, exist_ok=True) |
|
do_copyfile(fullfilename, outfilename) |
|
|
|
def run_install_script(d): |
|
env = {'MESON_SOURCE_ROOT': d.source_dir, |
|
'MESON_BUILD_ROOT': d.build_dir, |
|
'MESON_INSTALL_PREFIX': d.prefix, |
|
'MESON_INSTALL_DESTDIR_PREFIX': d.fullprefix, |
|
'MESONINTROSPECT': ' '.join([shlex.quote(x) for x in d.mesonintrospect]), |
|
} |
|
|
|
child_env = os.environ.copy() |
|
child_env.update(env) |
|
|
|
for i in d.install_scripts: |
|
script = i['exe'] |
|
args = i['args'] |
|
name = ' '.join(script + args) |
|
print('Running custom install script {!r}'.format(name)) |
|
try: |
|
rc = subprocess.call(script + args, env=child_env) |
|
if rc != 0: |
|
sys.exit(rc) |
|
except: |
|
print('Failed to run install script {!r}'.format(name)) |
|
sys.exit(1) |
|
|
|
def is_elf_platform(): |
|
platname = platform.system().lower() |
|
if platname == 'darwin' or platname == 'windows' or platname == 'cygwin': |
|
return False |
|
return True |
|
|
|
def check_for_stampfile(fname): |
|
'''Some languages e.g. Rust have output files |
|
whose names are not known at configure time. |
|
Check if this is the case and return the real |
|
file instead.''' |
|
if fname.endswith('.so') or fname.endswith('.dll'): |
|
if os.stat(fname).st_size == 0: |
|
(base, suffix) = os.path.splitext(fname) |
|
files = glob(base + '-*' + suffix) |
|
if len(files) > 1: |
|
print("Stale dynamic library files in build dir. Can't install.") |
|
sys.exit(1) |
|
if len(files) == 1: |
|
return files[0] |
|
elif fname.endswith('.a') or fname.endswith('.lib'): |
|
if os.stat(fname).st_size == 0: |
|
(base, suffix) = os.path.splitext(fname) |
|
files = glob(base + '-*' + '.rlib') |
|
if len(files) > 1: |
|
print("Stale static library files in build dir. Can't install.") |
|
sys.exit(1) |
|
if len(files) == 1: |
|
return files[0] |
|
return fname |
|
|
|
def install_targets(d): |
|
for t in d.targets: |
|
fname = check_for_stampfile(t[0]) |
|
outdir = get_destdir_path(d, t[1]) |
|
outname = os.path.join(outdir, os.path.split(fname)[-1]) |
|
aliases = t[2] |
|
should_strip = t[3] |
|
install_rpath = t[4] |
|
print('Installing %s to %s' % (fname, outname)) |
|
d.dirmaker.makedirs(outdir, exist_ok=True) |
|
if not os.path.exists(fname): |
|
raise RuntimeError('File {!r} could not be found'.format(fname)) |
|
elif os.path.isfile(fname): |
|
do_copyfile(fname, outname) |
|
if should_strip and d.strip_bin is not None: |
|
if fname.endswith('.jar'): |
|
print('Not stripping jar target:', os.path.split(fname)[1]) |
|
continue |
|
print('Stripping target {!r}'.format(fname)) |
|
ps, stdo, stde = Popen_safe(d.strip_bin + [outname]) |
|
if ps.returncode != 0: |
|
print('Could not strip file.\n') |
|
print('Stdout:\n%s\n' % stdo) |
|
print('Stderr:\n%s\n' % stde) |
|
sys.exit(1) |
|
pdb_filename = os.path.splitext(fname)[0] + '.pdb' |
|
if not should_strip and os.path.exists(pdb_filename): |
|
pdb_outname = os.path.splitext(outname)[0] + '.pdb' |
|
print('Installing pdb file %s to %s' % (pdb_filename, pdb_outname)) |
|
do_copyfile(pdb_filename, pdb_outname) |
|
elif os.path.isdir(fname): |
|
fname = os.path.join(d.build_dir, fname.rstrip('/')) |
|
do_copydir(d, fname, os.path.dirname(fname), outdir, None) |
|
else: |
|
raise RuntimeError('Unknown file type for {!r}'.format(fname)) |
|
printed_symlink_error = False |
|
for alias, to in aliases.items(): |
|
try: |
|
symlinkfilename = os.path.join(outdir, alias) |
|
try: |
|
os.unlink(symlinkfilename) |
|
except FileNotFoundError: |
|
pass |
|
os.symlink(to, symlinkfilename) |
|
append_to_log(symlinkfilename) |
|
except (NotImplementedError, OSError): |
|
if not printed_symlink_error: |
|
print("Symlink creation does not work on this platform. " |
|
"Skipping all symlinking.") |
|
printed_symlink_error = True |
|
if is_elf_platform() and os.path.isfile(outname): |
|
try: |
|
e = depfixer.Elf(outname, False) |
|
e.fix_rpath(install_rpath) |
|
except SystemExit as e: |
|
if isinstance(e.code, int) and e.code == 0: |
|
pass |
|
else: |
|
raise |
|
|
|
def run(args): |
|
global install_log_file |
|
if len(args) != 1: |
|
print('Installer script for Meson. Do not run on your own, mmm\'kay?') |
|
print('meson_install.py [install info file]') |
|
datafilename = args[0] |
|
private_dir = os.path.split(datafilename)[0] |
|
log_dir = os.path.join(private_dir, '../meson-logs') |
|
with open(os.path.join(log_dir, 'install-log.txt'), 'w') as lf: |
|
install_log_file = lf |
|
append_to_log('# List of files installed by Meson') |
|
append_to_log('# Does not contain files installed by custom scripts.') |
|
do_install(datafilename) |
|
install_log_file = None |
|
return 0 |
|
|
|
if __name__ == '__main__': |
|
sys.exit(run(sys.argv[1:]))
|
|
|