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# a set of config tests that use the samba_autoconf functions
# to test for commonly needed configuration options
from Configure import conf
@conf
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
@conf
def CHECK_LARGEFILE(conf, define='HAVE_LARGEFILE'):
'''see what we need for largefile support'''
if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
define,
execute=True,
msg='Checking for large file support'):
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
return False
@conf
def CHECK_C_PROTOTYPE(conf, function, prototype, define, headers=None):
'''verify that a C prototype matches the one on the current system'''
if not conf.CHECK_DECLS(function, headers=headers):
return False
return conf.CHECK_CODE('%s; void *_x = (void *)%s' % (prototype, function),
define=define,
local_include=False,
headers=headers,
msg='Checking C prototype for %s' % function)
@conf
def CHECK_CHARSET_EXISTS(conf, charset, outcharset='UCS2-LE', libs=None, headers=None, define=None):
'''check that a named charset is able to be used with iconv_open() for conversion
to a target charset
'''
msg = 'Checking if can we convert from %s to %s' % (charset, outcharset)
if define is None:
define = 'HAVE_CHARSET_%s' % charset.upper().replace('-','_')
return conf.CHECK_CODE('''
iconv_t cd = iconv_open("%s", "%s");
if (cd == 0 || cd == (iconv_t)-1) {
return -1;
}
return 0;
''' % (charset, outcharset),
define=define,
execute=True,
libs=libs,
msg=msg,
headers=headers)
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