def CURRENT_CFLAGS(bld, target, cflags, allow_warnings=False, hide_symbols=False):
'''work out the current flags. local flags are added first'''
ret = TO_LIST(cflags)
if not 'EXTRA_CFLAGS' in bld.env:
list = []
else:
list = bld.env['EXTRA_CFLAGS'];
ret.extend(list)
if not allow_warnings and 'PICKY_CFLAGS' in bld.env:
list = bld.env['PICKY_CFLAGS'];
ret.extend(list)
if hide_symbols and bld.env.HAVE_VISIBILITY_ATTR:
ret.append(bld.env.VISIBILITY_CFLAGS)
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
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):
'''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
defs = conf.get_config_header()
if addmain:
fragment = '%s\n%s\n int main(void) { %s; return 0; }\n' % (defs, hdrs,
code)
else:
fragment = '%s\n%s\n%s\n' % (defs, hdrs, code)
if msg is None:
msg = "Checking for %s" % define
cflags = TO_LIST(cflags)
if local_include:
cflags.append('-I%s' % conf.curdir)
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:
exec_args = conf.SAMBA_CROSS_ARGS(msg=msg)
else:
exec_args = []
conf.COMPOUND_START(msg)
ret = conf.check(fragment=fragment,
execute=execute,
define_name=define,
mandatory=mandatory,
ccflags=cflags,
ldflags=ldflags,
includes=includes,
uselib=uselib,
type=type,
msg=msg,
quote=quote,
exec_args=exec_args,
define_ret=define_ret)
if not ret and CONFIG_SET(conf, define):
# sometimes conf.check() returns false, but it
# sets the define. Maybe a waf bug?
ret = True
if ret:
if not define_ret:
conf.DEFINE(define, 1)
conf.COMPOUND_END(True)
else:
conf.COMPOUND_END(conf.env[define])
return True
if always:
conf.DEFINE(define, 0)
conf.COMPOUND_END(False)
return False
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):
'''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
defs = conf.get_config_header()
if addmain:
fragment='%s\n%s\n int main(void) { %s; return 0; }\n' % (defs, hdrs, code)
else:
fragment='%s\n%s\n%s\n' % (defs, hdrs, code)
if msg is None:
msg="Checking for %s" % define
cflags = TO_LIST(cflags)
if local_include:
cflags.append('-I%s' % conf.curdir)
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:
exec_args = conf.SAMBA_CROSS_ARGS(msg=msg)
else:
exec_args = []
conf.COMPOUND_START(msg)
ret = conf.check(fragment=fragment,
execute=execute,
define_name = define,
mandatory = mandatory,
ccflags=cflags,
ldflags=ldflags,
includes=includes,
uselib=uselib,
type=type,
msg=msg,
quote=quote,
exec_args=exec_args,
define_ret=define_ret)
if not ret and CONFIG_SET(conf, define):
# sometimes conf.check() returns false, but it
# sets the define. Maybe a waf bug?
ret = True
if ret:
if not define_ret:
conf.DEFINE(define, 1)
conf.COMPOUND_END(True)
else:
conf.COMPOUND_END(conf.env[define])
return True
if always:
conf.DEFINE(define, 0)
conf.COMPOUND_END(False)
return False