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#!/usr/bin/env python
from waflib import Logs, Options, Errors
import os, sys
if Options.options.disable_fault_handling:
conf.DEFINE('HAVE_DISABLE_FAULT_HANDLING',1)
# backtrace could be in libexecinfo or in libc.
# This is our preferred backtrace handler (more useful output than libunwind as at Ubuntu 20.04 x86_64)
conf.CHECK_FUNCS_IN('backtrace backtrace_symbols', 'execinfo', checklibc=True, headers='execinfo.h')
conf.CHECK_HEADERS('execinfo.h')
conf.SET_TARGET_TYPE('LIBUNWIND', 'EMPTY')
if Options.options.with_libunwind:
if conf.check_cfg(package='libunwind-generic',
args='--cflags --libs',
msg='Checking for libunwind',
uselib_store='LIBUNWIND',
mandatory=False):
if conf.CHECK_HEADERS('libunwind.h'):
conf.SET_TARGET_TYPE('LIBUNWIND', 'SYSLIB')
else:
raise Errors.WafError('--with-libunwind specified but libunwind not found')
elif Options.options.with_libunwind == None:
if not conf.CONFIG_SET('HAVE_BACKTRACE_SYMBOLS') \
and not Options.options.disable_fault_handling:
raise Errors.WafError(
'''backtrace_symbols() not found but
--with-libunwind not specified.
Use --without-libunwind to build without internal backtrace support or
--disable-fault-handling to totally defer fault handling to the OS.''')
conf.CHECK_STRUCTURE_MEMBER('struct statvfs', 'f_frsize', define='HAVE_FRSIZE', headers='sys/statvfs.h')
# all the different ways of doing statfs
statfs_types = [
( 'STAT_STATVFS',
'statvfs (SVR4)',
'struct statvfs fsd; exit(statvfs(0, &fsd))',
'sys/statvfs.h' ),
( 'STAT_STATFS3_OSF1',
'3-argument statfs function (DEC OSF/1)',
'struct statfs fsd; fsd.f_fsize = 0; exit(statfs(".", &fsd, sizeof(struct statfs)))',
'sys/param.h sys/mount.h' ),
( 'STAT_STATFS2_BSIZE',
'two-argument statfs with statfs.bsize',
'struct statfs fsd; fsd.f_bsize = 0; exit(statfs(".", &fsd))',
'sys/param.h sys/mount.h sys/vfs.h' ),
( 'STAT_STATFS4',
'four-argument statfs (AIX-3.2.5, SVR3)',
'struct statfs fsd; exit(statfs(".", &fsd, sizeof fsd, 0))',
'sys/statfs.h' ),
( 'STAT_STATFS2_FSIZE',
'two-argument statfs with statfs.fsize',
'struct statfs fsd; fsd.f_fsize = 0; exit(statfs(".", &fsd))',
'sys/param.h sys/mount.h' ),
( 'STAT_STATFS2_FS_DATA',
'two-argument statfs with struct fs_data (Ultrix)',
'struct fs_data fsd; exit(statfs(".", &fsd) != 1)',
'sys/param.h sys/mount.h sys/fs_types.h' )
]
found_statfs=False
for (define, msg, code, headers) in statfs_types:
if conf.CHECK_CODE(code,
define=define,
headers=headers,
msg='Checking for %s' % msg,
local_include=False):
found_statfs=True
break
if not found_statfs:
print("FATAL: Failed to find a statfs method")
raise
conf.CHECK_CODE("""struct statfs fsd;
fsd.f_bsize = 0;
fsd.f_iosize = 0;
return (statfs (".", &fsd));
""",
headers='sys/param.h sys/mount.h sys/vfs.h',
define='BSD_STYLE_STATVFS',
msg='Checking for *bsd style statfs with statfs.f_iosize',
execute=True,
local_include=False)
conf.CHECK_CODE('struct statvfs buf; buf.f_fsid = 0',
define='HAVE_FSID_INT',
msg='Checking if f_fsid is an integer',
execute=False,
local_include=False,
headers='sys/statvfs.h')
# fsusage.c assumes that statvfs has an f_frsize entry. Some weird
# systems use f_bsize.
conf.CHECK_CODE('struct statvfs buf; buf.f_frsize = 0',
define='HAVE_FRSIZE',
msg='Checking that statvfs.f_frsize works',
headers='sys/statvfs.h',
execute=False,
local_include=False)
# Some systems use f_flag in struct statvfs while others use f_flags
conf.CHECK_CODE('struct statvfs buf; buf.f_flag = 0',
define='HAVE_STATVFS_F_FLAG',
msg='Checking whether statvfs.f_flag exists',
headers='sys/statvfs.h',
local_include=False,
execute=False)
conf.CHECK_CODE('struct statvfs buf; buf.f_flags = 0',
define='HAVE_STATVFS_F_FLAGS',
msg='Checking whether statvfs.f_flags exists',
headers='sys/statvfs.h',
local_include=False,
execute=False)
# Check for mallinfo2() first and fallback to mallinfo() if not found
body = '''mi.arena + mi.ordblks + mi.smblks + mi.hblks + mi.hblkhd +
mi.usmblks + mi.fsmblks + mi.uordblks + mi.fordblks + mi.keepcost'''
if not conf.CHECK_CODE('''struct mallinfo2 mi = mallinfo2(); return %s;'''
% body, 'HAVE_MALLINFO2',
msg="Checking for mallinfo2()",
headers='malloc.h'):
conf.CHECK_CODE('''struct mallinfo mi = mallinfo(); return %s;'''
% body, 'HAVE_MALLINFO',
msg="Checking for mallinfo()",
headers='malloc.h')
#
# systemd removed the libsystemd-daemon and libsystemd-journal libraries. In newer
# versions it is only libsystemd. As waf pkg-config handling does not provide
# targets which could be used as a dependency based on the package name we need
# to look for them on our own. This enabled one of the library targets based on
# which version we detect.
#
conf.SET_TARGET_TYPE('systemd-daemon', 'EMPTY')
conf.SET_TARGET_TYPE('systemd-journal', 'EMPTY')
conf.SET_TARGET_TYPE('systemd', 'EMPTY')
if Options.options.enable_systemd != False:
r_daemon = conf.CHECK_CFG(package='libsystemd-daemon', args='--cflags --libs',
msg='Checking for libsystemd-daemon')
r_journal = conf.CHECK_CFG(package='libsystemd-journal', args='--cflags --libs',
msg='Checking for libsystemd-journal')
if r_daemon is None and r_journal is None:
conf.CHECK_CFG(package='libsystemd', args='--cflags --libs',
msg='Checking for libsystemd')
conf.CHECK_LIB('systemd', shlib=True)
else:
conf.CHECK_LIB('systemd-daemon', shlib=True)
conf.CHECK_LIB('systemd-journal', shlib=True)
conf.SET_TARGET_TYPE('lttng-ust', 'EMPTY')
if Options.options.enable_lttng != False:
conf.CHECK_CFG(package='lttng-ust', args='--cflags --libs',
msg='Checking for lttng-ust', uselib_store="LTTNG-UST")
conf.CHECK_HEADERS('lttng/tracef.h', lib='lttng-st')
conf.CHECK_LIB('lttng-ust', shlib=True)
if (conf.CONFIG_SET('HAVE_LTTNG_TRACEF_H') and
conf.CONFIG_SET('HAVE_LTTNG_UST')):
conf.DEFINE('HAVE_LTTNG_TRACEF', '1')
conf.env['HAVE_LTTNG_TRACEF'] = True
if Options.options.gpfs_headers_dir:
conf.env['CPPPATH_GPFS'] = Options.options.gpfs_headers_dir
if conf.CHECK_HEADERS('gpfs.h', False, False, "gpfs"):
Logs.info('Using gpfs.h from %s' % Options.options.gpfs_headers_dir)
conf.DEFINE('HAVE_GPFS', '1')
else:
conf.env['CPPPATH_GPFS'] = "/usr/lpp/mmfs/include/"
if conf.CHECK_HEADERS('gpfs.h', False, False, "gpfs"):
Logs.info('Using gpfs.h from installed gpfs package.')
conf.DEFINE('HAVE_GPFS', '1')
else:
if sys.platform.startswith('linux'):
conf.env['CPPPATH_GPFS'] = os.path.abspath("third_party/gpfs")
if conf.CHECK_HEADERS('gpfs.h', False, False, "gpfs"):
Logs.info('Using gpfs.h from third_party directory.')
conf.DEFINE('HAVE_GPFS', '1')
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