#!/usr/bin/python3
# Build many configurations of glibc.
-# Copyright (C) 2016-2019 Free Software Foundation, Inc.
+# Copyright (C) 2016-2020 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
#
# The GNU C Library is free software; you can redistribute it and/or
other than 'checkout' and 'bot-cycle', name configurations for which
compilers or glibc are to be built.
+The 'list-compilers' command prints the name of each available
+compiler configuration, without building anything. The 'list-glibcs'
+command prints the name of each glibc compiler configuration, followed
+by the space, followed by the name of the compiler configuration used
+for building this glibc variant.
+
"""
import argparse
"""The global state associated with builds in a given directory."""
def __init__(self, topdir, parallelism, keep, replace_sources, strip,
- full_gcc, action):
+ full_gcc, action, shallow=False):
"""Initialize the context."""
self.topdir = topdir
self.parallelism = parallelism
self.replace_sources = replace_sources
self.strip = strip
self.full_gcc = full_gcc
+ self.shallow = shallow
self.srcdir = os.path.join(topdir, 'src')
self.versions_json = os.path.join(self.srcdir, 'versions.json')
self.build_state_json = os.path.join(topdir, 'build-state.json')
self.wrapper = os.path.join(self.builddir, 'wrapper')
self.save_logs = os.path.join(self.builddir, 'save-logs')
self.script_text = self.get_script_text()
- if action != 'checkout':
+ if action not in ('checkout', 'list-compilers', 'list-glibcs'):
self.build_triplet = self.get_build_triplet()
self.glibc_version = self.get_glibc_version()
self.configs = {}
'ccopts': '-mabi=32'},
{'variant': 'n64-nan2008-soft',
'ccopts': '-mabi=64'}])
+ self.add_config(arch='mipsisa64r6el',
+ os_name='linux-gnu',
+ gcc_cfg=['--with-mips-plt', '--with-nan=2008',
+ '--with-arch-64=mips64r6',
+ '--with-arch-32=mips32r6',
+ '--with-float=hard'],
+ glibcs=[{'variant': 'n32'},
+ {'arch': 'mipsisa32r6el',
+ 'ccopts': '-mabi=32'},
+ {'variant': 'n64',
+ 'ccopts': '-mabi=64'}])
self.add_config(arch='nios2',
os_name='linux-gnu')
self.add_config(arch='powerpc',
self.add_config(arch='sparc64',
os_name='linux-gnu',
glibcs=[{},
- {'arch': 'sparcv8',
- 'ccopts': '-m32 -mlong-double-128 -mcpu=leon3'},
{'arch': 'sparcv9',
'ccopts': '-m32 -mlong-double-128 -mcpu=v9'}],
- extra_glibcs=[{'variant': 'disable-multi-arch',
+ extra_glibcs=[{'variant': 'leon3',
+ 'arch' : 'sparcv8',
+ 'ccopts' : '-m32 -mlong-double-128 -mcpu=leon3'},
+ {'variant': 'disable-multi-arch',
'cfg': ['--disable-multi-arch']},
{'variant': 'disable-multi-arch',
'arch': 'sparcv9',
- 'ccopts': '-m32 -mlong-double-128',
+ 'ccopts': '-m32 -mlong-double-128 -mcpu=v9',
'cfg': ['--disable-multi-arch']}])
self.add_config(arch='x86_64',
os_name='linux-gnu',
extra_glibcs=[{'variant': 'disable-multi-arch',
'cfg': ['--disable-multi-arch']},
{'variant': 'enable-obsolete',
- 'cfg': ['--enable-obsolete-rpc',
- '--enable-obsolete-nsl']},
+ 'cfg': ['--enable-obsolete-rpc']},
{'variant': 'static-pie',
'cfg': ['--enable-static-pie']},
{'variant': 'x32-static-pie',
{'variant': 'enable-obsolete',
'arch': 'i686',
'ccopts': '-m32 -march=i686',
- 'cfg': ['--enable-obsolete-rpc',
- '--enable-obsolete-nsl']},
+ 'cfg': ['--enable-obsolete-rpc']},
{'arch': 'i486',
'ccopts': '-m32 -march=i486'},
{'arch': 'i586',
exit(1)
self.bot()
return
- if action == 'host-libraries' and configs:
- print('error: configurations specified for host-libraries')
+ if action in ('host-libraries', 'list-compilers',
+ 'list-glibcs') and configs:
+ print('error: configurations specified for ' + action)
exit(1)
+ if action == 'list-compilers':
+ for name in sorted(self.configs.keys()):
+ print(name)
+ return
+ if action == 'list-glibcs':
+ for config in sorted(self.glibc_configs.values(),
+ key=lambda c: c.name):
+ print(config.name, config.compiler.name)
+ return
self.clear_last_build_state(action)
build_time = datetime.datetime.utcnow()
if action == 'host-libraries':
old_components = ('gmp', 'mpfr', 'mpc', 'binutils', 'gcc', 'linux',
'mig', 'gnumach', 'hurd')
old_versions = self.build_state['compilers']['build-versions']
- self.build_glibcs(configs)
+ if action == 'update-syscalls':
+ self.update_syscalls(configs)
+ else:
+ self.build_glibcs(configs)
self.write_files()
self.do_build()
if configs:
for c in configs:
self.glibc_configs[c].build()
+ def update_syscalls(self, configs):
+ """Update the glibc syscall lists."""
+ if not configs:
+ self.remove_dirs(os.path.join(self.builddir, 'update-syscalls'))
+ self.remove_dirs(os.path.join(self.logsdir, 'update-syscalls'))
+ configs = sorted(self.glibc_configs.keys())
+ for c in configs:
+ self.glibc_configs[c].update_syscalls()
+
def load_versions_json(self):
"""Load information about source directory versions."""
if not os.access(self.versions_json, os.F_OK):
def checkout(self, versions):
"""Check out the desired component versions."""
- default_versions = {'binutils': 'vcs-2.33',
- 'gcc': 'vcs-9',
+ default_versions = {'binutils': 'vcs-2.34',
+ 'gcc': 'vcs-10',
'glibc': 'vcs-mainline',
- 'gmp': '6.1.2',
- 'linux': '5.4',
+ 'gmp': '6.2.0',
+ 'linux': '5.7',
'mpc': '1.1.0',
'mpfr': '4.0.2',
'mig': 'vcs-mainline',
return self.git_checkout(component, git_url, git_branch, update)
elif component == 'gcc':
if version == 'mainline':
- branch = 'trunk'
+ branch = 'master'
else:
- trans = str.maketrans({'.': '_'})
- branch = 'branches/gcc-%s-branch' % version.translate(trans)
- svn_url = 'svn://gcc.gnu.org/svn/gcc/%s' % branch
- return self.gcc_checkout(svn_url, update)
+ branch = 'releases/gcc-%s' % version
+ return self.gcc_checkout(branch, update)
elif component == 'glibc':
git_url = 'git://sourceware.org/git/glibc.git'
if version == 'mainline':
subprocess.run(['git', 'pull', '-q'],
cwd=self.component_srcdir(component), check=True)
else:
- subprocess.run(['git', 'clone', '-q', '-b', git_branch, git_url,
+ if self.shallow:
+ depth_arg = ('--depth', '1')
+ else:
+ depth_arg = ()
+ subprocess.run(['git', 'clone', '-q', '-b', git_branch,
+ *depth_arg, git_url,
self.component_srcdir(component)], check=True)
r = subprocess.run(['git', 'rev-parse', 'HEAD'],
cwd=self.component_srcdir(component),
# Some other files have such dependencies but do not need to
# be touched because nothing in a build depends on the files
# in question.
- for f in ('sysdeps/gnu/errlist.c',
- 'sysdeps/mach/hurd/bits/errno.h'):
+ for f in ('sysdeps/mach/hurd/bits/errno.h',):
to_touch = os.path.join(srcdir, f)
subprocess.run(['touch', '-c', to_touch], check=True)
for dirpath, dirnames, filenames in os.walk(srcdir):
to_touch = os.path.join(dirpath, f)
subprocess.run(['touch', to_touch], check=True)
- def gcc_checkout(self, svn_url, update):
- """Check out GCC from SVN. Return the revision number."""
+ def gcc_checkout(self, branch, update):
+ """Check out GCC from git. Return the commit identifier."""
+ if os.access(os.path.join(self.component_srcdir('gcc'), '.svn'),
+ os.F_OK):
+ if not self.replace_sources:
+ print('error: GCC has moved from SVN to git, use '
+ '--replace-sources to check out again')
+ exit(1)
+ shutil.rmtree(self.component_srcdir('gcc'))
+ update = False
if not update:
- subprocess.run(['svn', 'co', '-q', svn_url,
- self.component_srcdir('gcc')], check=True)
+ self.git_checkout('gcc', 'git://gcc.gnu.org/git/gcc.git',
+ branch, update)
subprocess.run(['contrib/gcc_update', '--silent'],
cwd=self.component_srcdir('gcc'), check=True)
- r = subprocess.run(['svnversion', self.component_srcdir('gcc')],
+ r = subprocess.run(['git', 'rev-parse', 'HEAD'],
+ cwd=self.component_srcdir('gcc'),
stdout=subprocess.PIPE,
check=True, universal_newlines=True).stdout
return r.rstrip()
self.build_state = json.load(f)
else:
self.build_state = {}
- for k in ('host-libraries', 'compilers', 'glibcs'):
+ for k in ('host-libraries', 'compilers', 'glibcs', 'update-syscalls'):
if k not in self.build_state:
self.build_state[k] = {}
if 'build-time' not in self.build_state[k]:
print('Script changed, bot re-execing.')
self.exec_self()
+class LinuxHeadersPolicyForBuild(object):
+ """Names and directories for installing Linux headers. Build variant."""
+
+ def __init__(self, config):
+ self.arch = config.arch
+ self.srcdir = config.ctx.component_srcdir('linux')
+ self.builddir = config.component_builddir('linux')
+ self.headers_dir = os.path.join(config.sysroot, 'usr')
+
+class LinuxHeadersPolicyForUpdateSyscalls(object):
+ """Names and directories for Linux headers. update-syscalls variant."""
+
+ def __init__(self, glibc, headers_dir):
+ self.arch = glibc.compiler.arch
+ self.srcdir = glibc.compiler.ctx.component_srcdir('linux')
+ self.builddir = glibc.ctx.component_builddir(
+ 'update-syscalls', glibc.name, 'build-linux')
+ self.headers_dir = headers_dir
+
+def install_linux_headers(policy, cmdlist):
+ """Install Linux kernel headers."""
+ arch_map = {'aarch64': 'arm64',
+ 'alpha': 'alpha',
+ 'arm': 'arm',
+ 'csky': 'csky',
+ 'hppa': 'parisc',
+ 'i486': 'x86',
+ 'i586': 'x86',
+ 'i686': 'x86',
+ 'i786': 'x86',
+ 'ia64': 'ia64',
+ 'm68k': 'm68k',
+ 'microblaze': 'microblaze',
+ 'mips': 'mips',
+ 'nios2': 'nios2',
+ 'powerpc': 'powerpc',
+ 's390': 's390',
+ 'riscv32': 'riscv',
+ 'riscv64': 'riscv',
+ 'sh': 'sh',
+ 'sparc': 'sparc',
+ 'x86_64': 'x86'}
+ linux_arch = None
+ for k in arch_map:
+ if policy.arch.startswith(k):
+ linux_arch = arch_map[k]
+ break
+ assert linux_arch is not None
+ cmdlist.push_subdesc('linux')
+ cmdlist.create_use_dir(policy.builddir)
+ cmdlist.add_command('install-headers',
+ ['make', '-C', policy.srcdir, 'O=%s' % policy.builddir,
+ 'ARCH=%s' % linux_arch,
+ 'INSTALL_HDR_PATH=%s' % policy.headers_dir,
+ 'headers_install'])
+ cmdlist.cleanup_dir()
+ cmdlist.pop_subdesc()
class Config(object):
"""A configuration for building a compiler and associated libraries."""
cmdlist.use_path(self.bindir)
self.build_cross_tool(cmdlist, 'binutils', 'binutils',
['--disable-gdb',
+ '--disable-gdbserver',
'--disable-libdecnumber',
'--disable-readline',
'--disable-sim'])
if self.os.startswith('linux'):
- self.install_linux_headers(cmdlist)
+ install_linux_headers(LinuxHeadersPolicyForBuild(self), cmdlist)
self.build_gcc(cmdlist, True)
if self.os == 'gnu':
self.install_gnumach_headers(cmdlist)
for g in self.compiler_glibcs:
cmdlist.push_subdesc('glibc')
cmdlist.push_subdesc(g.name)
- g.build_glibc(cmdlist, True)
+ g.build_glibc(cmdlist, GlibcPolicyForCompiler(g))
cmdlist.pop_subdesc()
cmdlist.pop_subdesc()
self.build_gcc(cmdlist, False)
cmdlist.cleanup_dir()
cmdlist.pop_subdesc()
- def install_linux_headers(self, cmdlist):
- """Install Linux kernel headers."""
- arch_map = {'aarch64': 'arm64',
- 'alpha': 'alpha',
- 'arm': 'arm',
- 'csky': 'csky',
- 'hppa': 'parisc',
- 'i486': 'x86',
- 'i586': 'x86',
- 'i686': 'x86',
- 'i786': 'x86',
- 'ia64': 'ia64',
- 'm68k': 'm68k',
- 'microblaze': 'microblaze',
- 'mips': 'mips',
- 'nios2': 'nios2',
- 'powerpc': 'powerpc',
- 's390': 's390',
- 'riscv32': 'riscv',
- 'riscv64': 'riscv',
- 'sh': 'sh',
- 'sparc': 'sparc',
- 'x86_64': 'x86'}
- linux_arch = None
- for k in arch_map:
- if self.arch.startswith(k):
- linux_arch = arch_map[k]
- break
- assert linux_arch is not None
- srcdir = self.ctx.component_srcdir('linux')
- builddir = self.component_builddir('linux')
- headers_dir = os.path.join(self.sysroot, 'usr')
- cmdlist.push_subdesc('linux')
- cmdlist.create_use_dir(builddir)
- cmdlist.add_command('install-headers',
- ['make', '-C', srcdir, 'O=%s' % builddir,
- 'ARCH=%s' % linux_arch,
- 'INSTALL_HDR_PATH=%s' % headers_dir,
- 'headers_install'])
- cmdlist.cleanup_dir()
- cmdlist.pop_subdesc()
-
def install_gnumach_headers(self, cmdlist):
"""Install GNU Mach headers."""
srcdir = self.ctx.component_srcdir('gnumach')
else:
tool_build = 'gcc'
# libsanitizer commonly breaks because of glibc header
- # changes, or on unusual targets.
+ # changes, or on unusual targets. C++ pre-compiled
+ # headers are not used during the glibc build and are
+ # expensive to create.
if not self.ctx.full_gcc:
- cfg_opts += ['--disable-libsanitizer']
+ cfg_opts += ['--disable-libsanitizer',
+ '--disable-libstdcxx-pch']
langs = 'all' if self.ctx.full_gcc else 'c,c++'
cfg_opts += ['--enable-languages=%s' % langs,
'--enable-shared', '--enable-threads']
self.build_cross_tool(cmdlist, 'gcc', tool_build, cfg_opts)
+class GlibcPolicyDefault(object):
+ """Build policy for glibc: common defaults."""
+
+ def __init__(self, glibc):
+ self.srcdir = glibc.ctx.component_srcdir('glibc')
+ self.use_usr = glibc.os != 'gnu'
+ self.prefix = '/usr' if self.use_usr else ''
+ self.configure_args = [
+ '--prefix=%s' % self.prefix,
+ '--enable-profile',
+ '--build=%s' % glibc.ctx.build_triplet,
+ '--host=%s' % glibc.triplet,
+ 'CC=%s' % glibc.tool_name('gcc'),
+ 'CXX=%s' % glibc.tool_name('g++'),
+ 'AR=%s' % glibc.tool_name('ar'),
+ 'AS=%s' % glibc.tool_name('as'),
+ 'LD=%s' % glibc.tool_name('ld'),
+ 'NM=%s' % glibc.tool_name('nm'),
+ 'OBJCOPY=%s' % glibc.tool_name('objcopy'),
+ 'OBJDUMP=%s' % glibc.tool_name('objdump'),
+ 'RANLIB=%s' % glibc.tool_name('ranlib'),
+ 'READELF=%s' % glibc.tool_name('readelf'),
+ 'STRIP=%s' % glibc.tool_name('strip'),
+ ]
+ if glibc.os == 'gnu':
+ self.configure_args.append('MIG=%s' % glibc.tool_name('mig'))
+ self.configure_args += glibc.cfg
+
+ def configure(self, cmdlist):
+ """Invoked to add the configure command to the command list."""
+ cmdlist.add_command('configure',
+ [os.path.join(self.srcdir, 'configure'),
+ *self.configure_args])
+
+ def extra_commands(self, cmdlist):
+ """Invoked to inject additional commands (make check) after build."""
+ pass
+
+class GlibcPolicyForCompiler(GlibcPolicyDefault):
+ """Build policy for glibc during the compilers stage."""
+
+ def __init__(self, glibc):
+ super().__init__(glibc)
+ self.builddir = glibc.ctx.component_builddir(
+ 'compilers', glibc.compiler.name, 'glibc', glibc.name)
+ self.installdir = glibc.compiler.sysroot
+
+class GlibcPolicyForBuild(GlibcPolicyDefault):
+ """Build policy for glibc during the glibcs stage."""
+
+ def __init__(self, glibc):
+ super().__init__(glibc)
+ self.builddir = glibc.ctx.component_builddir(
+ 'glibcs', glibc.name, 'glibc')
+ self.installdir = glibc.ctx.glibc_installdir(glibc.name)
+ if glibc.ctx.strip:
+ self.strip = glibc.tool_name('strip')
+ else:
+ self.strip = None
+ self.save_logs = glibc.ctx.save_logs
+
+ def extra_commands(self, cmdlist):
+ if self.strip:
+ # Avoid picking up libc.so and libpthread.so, which are
+ # linker scripts stored in /lib on Hurd. libc and
+ # libpthread are still stripped via their libc-X.YY.so
+ # implementation files.
+ find_command = (('find %s/lib* -name "*.so"'
+ + r' \! -name libc.so \! -name libpthread.so')
+ % self.installdir)
+ cmdlist.add_command('strip', ['sh', '-c', ('%s $(%s)' %
+ (self.strip, find_command))])
+ cmdlist.add_command('check', ['make', 'check'])
+ cmdlist.add_command('save-logs', [self.save_logs], always_run=True)
+
+class GlibcPolicyForUpdateSyscalls(GlibcPolicyDefault):
+ """Build policy for glibc during update-syscalls."""
+
+ def __init__(self, glibc):
+ super().__init__(glibc)
+ self.builddir = glibc.ctx.component_builddir(
+ 'update-syscalls', glibc.name, 'glibc')
+ self.linuxdir = glibc.ctx.component_builddir(
+ 'update-syscalls', glibc.name, 'linux')
+ self.linux_policy = LinuxHeadersPolicyForUpdateSyscalls(
+ glibc, self.linuxdir)
+ self.configure_args.insert(
+ 0, '--with-headers=%s' % os.path.join(self.linuxdir, 'include'))
+ # self.installdir not set because installation is not supported
class Glibc(object):
"""A configuration for building glibc."""
['test', '-f',
os.path.join(self.compiler.installdir, 'ok')])
cmdlist.use_path(self.compiler.bindir)
- self.build_glibc(cmdlist, False)
+ self.build_glibc(cmdlist, GlibcPolicyForBuild(self))
self.ctx.add_makefile_cmdlist('glibcs-%s' % self.name, cmdlist,
logsdir)
- def build_glibc(self, cmdlist, for_compiler):
+ def build_glibc(self, cmdlist, policy):
"""Generate commands to build this glibc, either as part of a compiler
build or with the bootstrapped compiler (and in the latter case, run
tests as well)."""
- srcdir = self.ctx.component_srcdir('glibc')
- if for_compiler:
- builddir = self.ctx.component_builddir('compilers',
- self.compiler.name, 'glibc',
- self.name)
- installdir = self.compiler.sysroot
- else:
- builddir = self.ctx.component_builddir('glibcs', self.name,
- 'glibc')
- installdir = self.ctx.glibc_installdir(self.name)
- cmdlist.create_use_dir(builddir)
- use_usr = self.os != 'gnu'
- prefix = '/usr' if use_usr else ''
- cfg_cmd = [os.path.join(srcdir, 'configure'),
- '--prefix=%s' % prefix,
- '--enable-profile',
- '--build=%s' % self.ctx.build_triplet,
- '--host=%s' % self.triplet,
- 'CC=%s' % self.tool_name('gcc'),
- 'CXX=%s' % self.tool_name('g++'),
- 'AR=%s' % self.tool_name('ar'),
- 'AS=%s' % self.tool_name('as'),
- 'LD=%s' % self.tool_name('ld'),
- 'NM=%s' % self.tool_name('nm'),
- 'OBJCOPY=%s' % self.tool_name('objcopy'),
- 'OBJDUMP=%s' % self.tool_name('objdump'),
- 'RANLIB=%s' % self.tool_name('ranlib'),
- 'READELF=%s' % self.tool_name('readelf'),
- 'STRIP=%s' % self.tool_name('strip')]
- if self.os == 'gnu':
- cfg_cmd += ['MIG=%s' % self.tool_name('mig')]
- cfg_cmd += self.cfg
- cmdlist.add_command('configure', cfg_cmd)
+ cmdlist.create_use_dir(policy.builddir)
+ policy.configure(cmdlist)
cmdlist.add_command('build', ['make'])
cmdlist.add_command('install', ['make', 'install',
- 'install_root=%s' % installdir])
+ 'install_root=%s' % policy.installdir])
# GCC uses paths such as lib/../lib64, so make sure lib
# directories always exist.
mkdir_cmd = ['mkdir', '-p',
- os.path.join(installdir, 'lib')]
- if use_usr:
- mkdir_cmd += [os.path.join(installdir, 'usr', 'lib')]
+ os.path.join(policy.installdir, 'lib')]
+ if policy.use_usr:
+ mkdir_cmd += [os.path.join(policy.installdir, 'usr', 'lib')]
cmdlist.add_command('mkdir-lib', mkdir_cmd)
- if not for_compiler:
- if self.ctx.strip:
- cmdlist.add_command('strip',
- ['sh', '-c',
- ('%s $(find %s/lib* -name "*.so")' %
- (self.tool_name('strip'), installdir))])
- cmdlist.add_command('check', ['make', 'check'])
- cmdlist.add_command('save-logs', [self.ctx.save_logs],
- always_run=True)
+ policy.extra_commands(cmdlist)
cmdlist.cleanup_dir()
+ def update_syscalls(self):
+ if self.os == 'gnu':
+ # Hurd does not have system call tables that need updating.
+ return
+
+ policy = GlibcPolicyForUpdateSyscalls(self)
+ logsdir = os.path.join(self.ctx.logsdir, 'update-syscalls', self.name)
+ self.ctx.remove_recreate_dirs(policy.builddir, logsdir)
+ cmdlist = CommandList('update-syscalls-%s' % self.name, self.ctx.keep)
+ cmdlist.add_command('check-compilers',
+ ['test', '-f',
+ os.path.join(self.compiler.installdir, 'ok')])
+ cmdlist.use_path(self.compiler.bindir)
+
+ install_linux_headers(policy.linux_policy, cmdlist)
+
+ cmdlist.create_use_dir(policy.builddir)
+ policy.configure(cmdlist)
+ cmdlist.add_command('build', ['make', 'update-syscall-lists'])
+ cmdlist.cleanup_dir()
+ self.ctx.add_makefile_cmdlist('update-syscalls-%s' % self.name,
+ cmdlist, logsdir)
class Command(object):
"""A command run in the build process."""
help='Strip installed glibc libraries')
parser.add_argument('--full-gcc', action='store_true',
help='Build GCC with all languages and libsanitizer')
+ parser.add_argument('--shallow', action='store_true',
+ help='Do not download Git history during checkout')
parser.add_argument('topdir',
help='Toplevel working directory')
parser.add_argument('action',
help='What to do',
choices=('checkout', 'bot-cycle', 'bot',
- 'host-libraries', 'compilers', 'glibcs'))
+ 'host-libraries', 'compilers', 'glibcs',
+ 'update-syscalls', 'list-compilers',
+ 'list-glibcs'))
parser.add_argument('configs',
help='Versions to check out or configurations to build',
nargs='*')
opts = parser.parse_args(argv)
topdir = os.path.abspath(opts.topdir)
ctx = Context(topdir, opts.parallelism, opts.keep, opts.replace_sources,
- opts.strip, opts.full_gcc, opts.action)
+ opts.strip, opts.full_gcc, opts.action,
+ shallow=opts.shallow)
ctx.run_builds(opts.action, opts.configs)
projects / thirdparty / glibc.git / blobdiff