def CHECK_COMMAND(conf,
cmd,
msg=None,
define=None,
on_target=True,
boolean=False):
'''run a command and return result'''
if msg is None:
msg = 'Checking %s' % ' '.join(cmd)
conf.COMPOUND_START(msg)
cmd = cmd[:]
if on_target:
cmd.extend(conf.SAMBA_CROSS_ARGS(msg=msg))
try:
ret = Utils.cmd_output(cmd).decode('utf8')
except:
conf.COMPOUND_END(False)
return False
if boolean:
conf.COMPOUND_END('ok')
if define:
conf.DEFINE(define, '1')
else:
ret = ret.strip()
conf.COMPOUND_END(ret)
if define:
conf.DEFINE(define, ret, quote=True)
return ret
def CHECK_HEADER(conf, h, add_headers=False, lib=None):
'''check for a header'''
if h in missing_headers and lib is None:
return False
d = h.upper().replace('/', '_')
d = d.replace('.', '_')
d = d.replace('-', '_')
d = 'HAVE_%s' % d
if CONFIG_SET(conf, d):
if add_headers:
if not h in conf.env.hlist:
conf.env.hlist.append(h)
return True
(ccflags, ldflags, cpppath) = library_flags(conf, lib)
hdrs = hlist_to_string(conf, headers=h)
if lib is None:
lib = ""
ret = conf.check(fragment='%s\nint main(void) { return 0; }\n' % hdrs,
type='nolink',
execute=0,
cflags=ccflags,
mandatory=False,
includes=cpppath,
uselib=lib.upper(),
msg="Checking for header %s" % h)
if not ret:
missing_headers.add(h)
return False
conf.DEFINE(d, 1)
if add_headers and not h in conf.env.hlist:
conf.env.hlist.append(h)
return ret
def CHECK_ICONV(conf, define='HAVE_NATIVE_ICONV'):
'''check if the iconv library is installed
optionally pass a define'''
if conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=True, headers='iconv.h'):
conf.DEFINE(define, 1)
return True
return False
def CHECK_LARGEFILE(conf, define='HAVE_LARGEFILE'):
'''see what we need for largefile support'''
getconf_cflags = conf.CHECK_COMMAND(['getconf', 'LFS_CFLAGS'])
if getconf_cflags is not False:
if (conf.CHECK_CODE(
'return !(sizeof(off_t) >= 8)',
define='WORKING_GETCONF_LFS_CFLAGS',
execute=True,
cflags=getconf_cflags,
msg='Checking getconf large file support flags work')):
conf.ADD_CFLAGS(getconf_cflags)
getconf_cflags_list = TO_LIST(getconf_cflags)
for flag in getconf_cflags_list:
if flag[:2] == "-D":
flag_split = flag[2:].split('=')
if len(flag_split) == 1:
conf.DEFINE(flag_split[0], '1')
else:
conf.DEFINE(flag_split[0], flag_split[1])
if conf.CHECK_CODE(
'return !(sizeof(off_t) >= 8)',
define,
execute=True,
msg='Checking for large file support without additional flags'):
return True
if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
define,
execute=True,
cflags='-D_FILE_OFFSET_BITS=64',
msg='Checking for -D_FILE_OFFSET_BITS=64'):
conf.DEFINE('_FILE_OFFSET_BITS', 64)
return True
if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
define,
execute=True,
cflags='-D_LARGE_FILES',
msg='Checking for -D_LARGE_FILES'):
conf.DEFINE('_LARGE_FILES', 1)
return True
return False
def CHECK_SAMBA3_CHARSET(conf, crossbuild=False):
'''Check for default charsets for Samba3
'''
if conf.CHECK_ICONV(define='HAVE_NATIVE_ICONV'):
default_dos_charset = False
default_unix_charset = False
# check for default dos charset name
for charset in ['CP850', 'IBM850']:
if conf.CHECK_CHARSET_EXISTS(charset, headers='iconv.h'):
default_dos_charset = charset
break
# check for default unix charset name
for charset in ['UTF-8', 'UTF8']:
if conf.CHECK_CHARSET_EXISTS(charset, headers='iconv.h'):
default_unix_charset = charset
break
# At this point, we have a libiconv candidate. We know that
# we have the right headers and libraries, but we don't know
# whether it does the conversions we want. We can't test this
# because we are cross-compiling. This is not necessarily a big
# deal, since we can't guarantee that the results we get now will
# match the results we get at runtime anyway.
if crossbuild:
default_dos_charset = "CP850"
default_unix_charset = "UTF-8"
# TODO: this used to warn about the set charset on cross builds
if default_dos_charset is False or default_unix_charset is False:
# we found iconv, but it failed to convert anything (e.g. on AIX)
conf.undefine('HAVE_NATIVE_ICONV')
default_dos_charset = "ASCII"
default_unix_charset = "UTF-8"
conf.DEFINE('DEFAULT_DOS_CHARSET', default_dos_charset, quote=True)
conf.DEFINE('DEFAULT_UNIX_CHARSET', default_unix_charset, quote=True)
else:
conf.DEFINE('DEFAULT_DOS_CHARSET', "ASCII", quote=True)
conf.DEFINE('DEFAULT_UNIX_CHARSET', "UTF8", quote=True)
def CHECK_TYPE(conf, t, alternate=None, headers=None, define=None, lib=None, msg=None):
'''check for a single type'''
if define is None:
define = 'HAVE_' + t.upper().replace(' ', '_')
if msg is None:
msg='Checking for %s' % t
ret = CHECK_CODE(conf, '%s _x' % t,
define,
execute=False,
headers=headers,
local_include=False,
msg=msg,
lib=lib,
link=False)
if not ret and alternate:
conf.DEFINE(t, alternate)
return ret
def CHECK_INLINE(conf):
'''check for the right value for inline'''
conf.COMPOUND_START('Checking for inline')
for i in ['inline', '__inline__', '__inline']:
ret = conf.CHECK_CODE('''
typedef int foo_t;
static %s foo_t static_foo () {return 0; }
%s foo_t foo () {return 0; }''' % (i, i),
define='INLINE_MACRO',
addmain=False,
link=False)
if ret:
if i != 'inline':
conf.DEFINE('inline', i, quote=False)
break
if not ret:
conf.COMPOUND_END(ret)
else:
conf.COMPOUND_END(i)
return ret
def CHECK_SIZEOF(conf, vars, headers=None, define=None, critical=True):
'''check the size of a type'''
for v in TO_LIST(vars):
v_define = define
ret = False
if v_define is None:
v_define = 'SIZEOF_%s' % v.upper().replace(' ', '_')
for size in list((1, 2, 4, 8, 16, 32, 64)):
if CHECK_CODE(conf,
'static int test_array[1 - 2 * !(((long int)(sizeof(%s))) <= %d)];' % (v, size),
define=v_define,
quote=False,
headers=headers,
local_include=False,
msg="Checking if size of %s == %d" % (v, size)):
conf.DEFINE(v_define, size)
ret = True
break
if not ret and critical:
Logs.error("Couldn't determine size of '%s'" % v)
sys.exit(1)
return ret
def CHECK_CODE(conf,
code,
define,
always=False,
execute=False,
addmain=True,
add_headers=True,
mandatory=False,
headers=None,
msg=None,
cflags='',
includes='# .',
local_include=True,
lib=None,
link=True,
define_ret=False,
quote=False,
on_target=True,
strict=False):
'''check if some code compiles and/or runs'''
if CONFIG_SET(conf, define):
return True
if headers is not None:
CHECK_HEADERS(conf, headers=headers, lib=lib)
if add_headers:
hdrs = header_list(conf, headers=headers, lib=lib)
else:
hdrs = ''
if execute:
execute = 1
else:
execute = 0
if addmain:
fragment = '%s\n int main(void) { %s; return 0; }\n' % (hdrs, code)
else:
fragment = '%s\n%s\n' % (hdrs, code)
if msg is None:
msg = "Checking for %s" % define
cflags = TO_LIST(cflags)
# Be strict when relying on a compiler check
# Some compilers (e.g. xlc) ignore non-supported features as warnings
if strict:
if 'WERROR_CFLAGS' in conf.env:
cflags.extend(conf.env['WERROR_CFLAGS'])
if local_include:
cflags.append('-I%s' % conf.path.abspath())
if not link:
type = 'nolink'
else:
type = 'cprogram'
uselib = TO_LIST(lib)
(ccflags, ldflags, cpppath) = library_flags(conf, uselib)
includes = TO_LIST(includes)
includes.extend(cpppath)
uselib = [l.upper() for l in uselib]
cflags.extend(ccflags)
if on_target:
test_args = conf.SAMBA_CROSS_ARGS(msg=msg)
else:
test_args = []
conf.COMPOUND_START(msg)
try:
ret = conf.check(fragment=fragment,
execute=execute,
define_name=define,
cflags=cflags,
ldflags=ldflags,
includes=includes,
uselib=uselib,
type=type,
msg=msg,
quote=quote,
test_args=test_args,
define_ret=define_ret)
except Exception:
if always:
conf.DEFINE(define, 0)
else:
conf.undefine(define)
conf.COMPOUND_END(False)
if mandatory:
raise
return False
else:
# Success is indicated by ret but we should unset
# defines set by WAF's c_config.check() because it
# defines it to int(ret) and we want to undefine it
if not ret:
conf.undefine(define)
conf.COMPOUND_END(False)
return False
if not define_ret:
conf.DEFINE(define, 1)
conf.COMPOUND_END(True)
else:
conf.DEFINE(define, ret, quote=quote)
conf.COMPOUND_END(ret)
return True
