@@ -498,7 +498,10 @@ class Context(object):
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:
@@ -689,6 +692,15 @@ class Context(object):
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):
@@ -921,7 +933,7 @@ class Context(object):
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]:
@@ -1169,6 +1181,16 @@ class LinuxHeadersPolicyForBuild(object):
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',
@@ -1465,6 +1487,20 @@ class GlibcPolicyForBuild(GlibcPolicyDefault):
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."""
@@ -1535,6 +1571,28 @@ class Glibc(object):
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."""
@@ -1702,7 +1760,8 @@ def get_parser():
parser.add_argument('action',
help='What to do',
choices=('checkout', 'bot-cycle', 'bot',
- 'host-libraries', 'compilers', 'glibcs'))
+ 'host-libraries', 'compilers', 'glibcs',
+ 'update-syscalls'))
parser.add_argument('configs',
help='Versions to check out or configurations to build',
nargs='*')
From: Florian Weimer <fweimer at redhat dot com> This command uses pre-built compilers to re-install the Linux headers from the current sources into a temporary location and runs glibc's “make update-syscalls-lists” against that. This updates the glibc source tree with the current system call numbers. --- scripts/build-many-glibcs.py | 65 ++++++++++++++++++++++++++++++++++-- 1 file changed, 62 insertions(+), 3 deletions(-)