# a waf tool to add autoconf-like macros to the configure section
-import Build, os, Options, preproc
+import Build, os, sys, Options, preproc, Logs
import string
from Configure import conf
from samba_utils import *
+import samba_cross
missing_headers = set()
@runonce
@conf
-def DEFINE(conf, d, v, add_to_cflags=False):
+def DEFINE(conf, d, v, add_to_cflags=False, quote=False):
'''define a config option'''
- conf.define(d, v, quote=False)
+ conf.define(d, v, quote=quote)
if add_to_cflags:
conf.env.append_value('CCDEFINES', d + '=' + str(v))
return hdrs
+@conf
+def COMPOUND_START(conf, msg):
+ '''start a compound test'''
+ def null_check_message_1(self,*k,**kw):
+ return
+ def null_check_message_2(self,*k,**kw):
+ return
+
+ v = getattr(conf.env, 'in_compound', [])
+ if v != [] and v != 0:
+ conf.env.in_compound = v + 1
+ return
+ conf.check_message_1(msg)
+ conf.saved_check_message_1 = conf.check_message_1
+ conf.check_message_1 = null_check_message_1
+ conf.saved_check_message_2 = conf.check_message_2
+ conf.check_message_2 = null_check_message_2
+ conf.env.in_compound = 1
+
+
+@conf
+def COMPOUND_END(conf, result):
+ '''start a compound test'''
+ conf.env.in_compound -= 1
+ if conf.env.in_compound != 0:
+ return
+ conf.check_message_1 = conf.saved_check_message_1
+ conf.check_message_2 = conf.saved_check_message_2
+ p = conf.check_message_2
+ if result == True:
+ p('ok ')
+ elif result == False:
+ p('not found', 'YELLOW')
+ else:
+ p(result)
+
+
@feature('nolink')
def nolink(self):
'''using the nolink type in conf.check() allows us to avoid
pass
-def CHECK_HEADER(conf, h, add_headers=False):
+def CHECK_HEADER(conf, h, add_headers=False, lib=None):
'''check for a header'''
- if h in missing_headers:
+ 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:
conf.env.hlist.append(h)
return True
+ (ccflags, ldflags) = library_flags(conf, lib)
+
hdrs = hlist_to_string(conf, headers=h)
ret = conf.check(fragment='%s\nint main(void) { return 0; }' % hdrs,
type='nolink',
execute=0,
+ ccflags=ccflags,
msg="Checking for header %s" % h)
if not ret:
missing_headers.add(h)
@conf
-def CHECK_HEADERS(conf, headers, add_headers=False, together=False):
+def CHECK_HEADERS(conf, headers, add_headers=False, together=False, lib=None):
'''check for a list of headers
when together==True, then the headers accumulate within this test.
else:
set_add_headers = add_headers
for hdr in TO_LIST(headers):
- if not CHECK_HEADER(conf, hdr, set_add_headers):
+ if not CHECK_HEADER(conf, hdr, set_add_headers, lib=lib):
ret = False
if not add_headers and together:
conf.env.hlist = saved_hlist
return ret
-def header_list(conf, headers=None):
+def header_list(conf, headers=None, lib=None):
'''form a list of headers which exist, as a string'''
hlist=[]
if headers is not None:
for h in TO_LIST(headers):
- if CHECK_HEADER(conf, h, add_headers=False):
+ if CHECK_HEADER(conf, h, add_headers=False, lib=lib):
hlist.append(h)
return hlist_to_string(conf, headers=hlist)
@conf
-def CHECK_TYPE(conf, t, alternate=None, headers=None, define=None):
+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,
- msg='Checking for %s' % t,
local_include=False,
+ msg=msg,
+ lib=lib,
link=False)
if not ret and alternate:
conf.DEFINE(t, alternate)
@conf
-def CHECK_TYPES(conf, list, headers=None, define=None, alternate=None):
+def CHECK_TYPES(conf, list, headers=None, define=None, alternate=None, lib=None):
'''check for a list of types'''
ret = True
for t in TO_LIST(list):
- if not CHECK_TYPE(conf, t, headers=headers, define=define, alternate=alternate):
+ if not CHECK_TYPE(conf, t, headers=headers,
+ define=define, alternate=alternate, lib=lib):
ret = False
return ret
@conf
-def CHECK_VARIABLE(conf, v, define=None, always=False, headers=None, msg=None):
+def CHECK_VARIABLE(conf, v, define=None, always=False,
+ headers=None, msg=None, lib=None):
'''check for a variable declaration (or define)'''
if define is None:
define = 'HAVE_%s' % v.upper()
msg="Checking for variable %s" % v
return CHECK_CODE(conf,
+ # we need to make sure the compiler doesn't
+ # optimize it out...
'''
#ifndef %s
- void *_x; _x=(void *)&%s;
+ void *_x; _x=(void *)&%s; return (int)_x;
#endif
return 0
''' % (v, v),
link=False,
msg=msg,
local_include=False,
+ lib=lib,
headers=headers,
define=define,
always=always)
@conf
-def CHECK_DECLS(conf, vars, reverse=False, headers=None):
+def CHECK_DECLS(conf, vars, reverse=False, headers=None, always=False):
'''check a list of variable declarations, using the HAVE_DECL_xxx form
of define
if not CHECK_VARIABLE(conf, v,
define=define,
headers=headers,
- msg='Checking for declaration of %s' % v):
+ msg='Checking for declaration of %s' % v,
+ always=always):
ret = False
return ret
-def CHECK_FUNC(conf, f, link=None, lib=None, headers=None):
+def CHECK_FUNC(conf, f, link=True, lib=None, headers=None):
'''check for a function'''
define='HAVE_%s' % f.upper()
- # there are two ways to find a function. The first is
- # to see if there is a declaration of the function, the
- # 2nd is to try and link a program that calls the function
- # unfortunately both strategies have problems.
- # the 'check the declaration' approach works fine as long
- # as the function has a declaraion in a header. If there is
- # no header declaration we can get a false negative.
- # The link method works fine as long as the compiler
- # doesn't have a builtin for the function, which could cause
- # a false negative due to mismatched parameters
- # so to be sure, we need to try both
ret = False
+ conf.COMPOUND_START('Checking for %s' % f)
+
if link is None or link == True:
ret = CHECK_CODE(conf,
- 'int main(void) { extern void %s(void); %s(); return 0; }' % (f, f),
+ # this is based on the autoconf strategy
+ '''
+ #define %s __fake__%s
+ #ifdef HAVE_LIMITS_H
+ # include <limits.h>
+ #else
+ # include <assert.h>
+ #endif
+ #undef %s
+ #if defined __stub_%s || defined __stub___%s
+ #error "bad glibc stub"
+ #endif
+ extern char %s();
+ int main() { return %s(); }
+ ''' % (f, f, f, f, f, f, f),
execute=False,
link=True,
addmain=False,
headers=headers,
msg='Checking for %s' % f)
+ if not ret:
+ ret = CHECK_CODE(conf,
+ # it might be a macro
+ # we need to make sure the compiler doesn't
+ # optimize it out...
+ 'void *__x = (void *)%s; return (int)__x' % f,
+ execute=False,
+ link=True,
+ addmain=True,
+ add_headers=True,
+ define=define,
+ local_include=False,
+ lib=lib,
+ headers=headers,
+ msg='Checking for macro %s' % f)
+
if not ret and (link is None or link == False):
ret = CHECK_VARIABLE(conf, f,
define=define,
headers=headers,
msg='Checking for declaration of %s' % f)
+ conf.COMPOUND_END(ret)
return ret
@conf
-def CHECK_FUNCS(conf, list, link=None, lib=None, headers=None):
+def CHECK_FUNCS(conf, list, link=True, lib=None, headers=None):
'''check for a list of functions'''
ret = True
for f in TO_LIST(list):
if v_define is None:
v_define = 'SIZEOF_%s' % v.upper().replace(' ', '_')
if not CHECK_CODE(conf,
- 'printf("%%u\\n", (unsigned)sizeof(%s))' % v,
+ 'printf("%%u", (unsigned)sizeof(%s))' % v,
define=v_define,
execute=True,
define_ret=True,
add_headers=True, mandatory=False,
headers=None, msg=None, cflags='', includes='# .',
local_include=True, lib=None, link=True,
- define_ret=False, quote=False):
+ 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)
+ CHECK_HEADERS(conf, headers=headers, lib=lib)
if add_headers:
- hdrs = header_list(conf, headers=headers)
+ hdrs = header_list(conf, headers=headers, lib=lib)
else:
hdrs = ''
if execute:
else:
execute = 0
+ defs = conf.get_config_header()
+
if addmain:
- fragment='#include "__confdefs.h"\n%s\n int main(void) { %s; return 0; }\n' % (hdrs, code)
+ fragment='%s\n%s\n int main(void) { %s; return 0; }\n' % (defs, hdrs, code)
else:
- fragment='#include "__confdefs.h"\n%s\n%s\n' % (hdrs, code)
-
- conf.write_config_header('__confdefs.h', top=True)
+ fragment='%s\n%s\n%s\n' % (defs, hdrs, code)
if msg is None:
msg="Checking for %s" % define
- # include the directory containing __confdefs.h
- cflags += ' -I../../default'
+ cflags = TO_LIST(cflags)
if local_include:
- cflags += ' -I%s' % conf.curdir
+ cflags.append('-I%s' % conf.curdir)
if not link:
type='nolink'
else:
type='cprogram'
- if lib is not None:
- uselib = TO_LIST(lib)
+ uselib = TO_LIST(lib)
+
+ (ccflags, ldflags) = library_flags(conf, uselib)
+
+ cflags.extend(ccflags)
+
+ if on_target:
+ exec_args = conf.SAMBA_CROSS_ARGS(msg=msg)
else:
- uselib = []
+ exec_args = []
+
+ conf.COMPOUND_START(msg)
ret = conf.check(fragment=fragment,
execute=execute,
define_name = define,
mandatory = mandatory,
- ccflags=TO_LIST(cflags),
+ 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
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
ccflags=cflags,
msg="Checking compiler accepts %s" % cflags)
+@conf
+def CHECK_LDFLAGS(conf, ldflags):
+ '''check if the given ldflags are accepted by the linker
+ '''
+ return conf.check(fragment='int main(void) { return 0; }\n',
+ execute=0,
+ ldflags=ldflags,
+ msg="Checking linker accepts %s" % ldflags)
+
+
+@conf
+def CONFIG_GET(conf, option):
+ '''return True if a configuration option was found'''
+ if (option in conf.env):
+ return conf.env[option]
+ else:
+ return None
-#################################################
-# return True if a configuration option was found
@conf
def CONFIG_SET(conf, option):
+ '''return True if a configuration option was found'''
return (option in conf.env) and (conf.env[option] != ())
Build.BuildContext.CONFIG_SET = CONFIG_SET
+Build.BuildContext.CONFIG_GET = CONFIG_GET
+
+
+def library_flags(self, libs):
+ '''work out flags from pkg_config'''
+ ccflags = []
+ ldflags = []
+ for lib in TO_LIST(libs):
+ inc_path = getattr(self.env, 'CPPPATH_%s' % lib.upper(), [])
+ lib_path = getattr(self.env, 'LIBPATH_%s' % lib.upper(), [])
+ ccflags.extend(['-I%s' % i for i in inc_path])
+ ldflags.extend(['-L%s' % l for l in lib_path])
+ extra_ccflags = TO_LIST(getattr(self.env, 'CCFLAGS_%s' % lib.upper(), []))
+ extra_ldflags = TO_LIST(getattr(self.env, 'LDFLAGS_%s' % lib.upper(), []))
+ ccflags.extend(extra_ccflags)
+ ldflags.extend(extra_ldflags)
+ if 'EXTRA_LDFLAGS' in self.env:
+ ldflags.extend(self.env['EXTRA_LDFLAGS'])
+
+ ccflags = unique_list(ccflags)
+ ldflags = unique_list(ldflags)
+ return (ccflags, ldflags)
@conf
-def CHECK_LIB(conf, libs):
- '''check if a set of libraries exist'''
- liblist = TO_LIST(library)
+def CHECK_LIB(conf, libs, mandatory=False, empty_decl=True, set_target=True, shlib=False):
+ '''check if a set of libraries exist as system libraries
- ret = True
+ returns the sublist of libs that do exist as a syslib or []
+ '''
+
+ fragment= '''
+int foo()
+{
+ int v = 2;
+ return v*2;
+}
+'''
+ ret = []
+ liblist = TO_LIST(libs)
for lib in liblist[:]:
- if GET_TARGET_TYPE(conf, lib):
+ if GET_TARGET_TYPE(conf, lib) == 'SYSLIB':
+ ret.append(lib)
continue
- if not conf.check(lib=lib, uselib_store=lib):
- conf.ASSERT(not mandatory,
- "Mandatory library '%s' not found for functions '%s'" % (lib, list))
- # if it isn't a mandatory library, then remove it from dependency lists
- SET_TARGET_TYPE(conf, lib, 'EMPTY')
- ret = False
+
+ (ccflags, ldflags) = library_flags(conf, lib)
+ if shlib:
+ res = conf.check(features='cc cshlib', fragment=fragment, lib=lib, uselib_store=lib, ccflags=ccflags, ldflags=ldflags)
+ else:
+ res = conf.check(lib=lib, uselib_store=lib, ccflags=ccflags, ldflags=ldflags)
+
+ if not res:
+ if mandatory:
+ Logs.error("Mandatory library '%s' not found for functions '%s'" % (lib, list))
+ sys.exit(1)
+ if empty_decl:
+ # if it isn't a mandatory library, then remove it from dependency lists
+ if set_target:
+ SET_TARGET_TYPE(conf, lib, 'EMPTY')
else:
conf.define('HAVE_LIB%s' % lib.upper().replace('-','_'), 1)
conf.env['LIB_' + lib.upper()] = lib
- LOCAL_CACHE_SET(conf, 'TARGET_TYPE', lib, 'SYSLIB')
+ if set_target:
+ conf.SET_TARGET_TYPE(lib, 'SYSLIB')
+ ret.append(lib)
return ret
-###########################################################
-# check that the functions in 'list' are available in 'library'
-# if they are, then make that library available as a dependency
-#
-# if the library is not available and mandatory==True, then
-# raise an error.
-#
-# If the library is not available and mandatory==False, then
-# add the library to the list of dependencies to remove from
-# build rules
-#
-# optionally check for the functions first in libc
+
@conf
-def CHECK_FUNCS_IN(conf, list, library, mandatory=False, checklibc=False, headers=None, link=None):
+def CHECK_FUNCS_IN(conf, list, library, mandatory=False, checklibc=False,
+ headers=None, link=True, empty_decl=True, set_target=True):
+ """
+ check that the functions in 'list' are available in 'library'
+ if they are, then make that library available as a dependency
+
+ if the library is not available and mandatory==True, then
+ raise an error.
+
+ If the library is not available and mandatory==False, then
+ add the library to the list of dependencies to remove from
+ build rules
+
+ optionally check for the functions first in libc
+ """
remaining = TO_LIST(list)
liblist = TO_LIST(library)
if remaining == []:
for lib in liblist:
- if GET_TARGET_TYPE(conf, lib) != 'SYSLIB':
+ if GET_TARGET_TYPE(conf, lib) != 'SYSLIB' and empty_decl:
SET_TARGET_TYPE(conf, lib, 'EMPTY')
return True
- ret = True
+ checklist = conf.CHECK_LIB(liblist, empty_decl=empty_decl, set_target=set_target)
for lib in liblist[:]:
- if GET_TARGET_TYPE(conf, lib):
- continue
- if not conf.check(lib=lib, uselib_store=lib):
- conf.ASSERT(not mandatory,
- "Mandatory library '%s' not found for functions '%s'" % (lib, list))
- # if it isn't a mandatory library, then remove it from dependency lists
- SET_TARGET_TYPE(conf, lib, 'EMPTY')
- ret = False
- else:
- conf.define('HAVE_LIB%s' % lib.upper().replace('-','_'), 1)
- conf.env['LIB_' + lib.upper()] = lib
- LOCAL_CACHE_SET(conf, 'TARGET_TYPE', lib, 'SYSLIB')
-
- if not ret:
- return ret
+ if not lib in checklist and mandatory:
+ Logs.error("Mandatory library '%s' not found for functions '%s'" % (lib, list))
+ sys.exit(1)
ret = True
for f in remaining:
- if not CHECK_FUNC(conf, f, lib=' '.join(liblist), headers=headers, link=link):
+ if not CHECK_FUNC(conf, f, lib=' '.join(checklist), headers=headers, link=link):
ret = False
return ret
@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_LARGEFILE(conf):
- '''see what we need for largefile support'''
- if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
- 'HAVE_LARGEFILE',
- execute=True,
- msg='Checking for large file support'):
- return True
- if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
- 'HAVE_LARGEFILE',
- 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
-
+def IN_LAUNCH_DIR(conf):
+ '''return True if this rule is being run from the launch directory'''
+ return os.path.realpath(conf.curdir) == os.path.realpath(Options.launch_dir)
+Options.Handler.IN_LAUNCH_DIR = IN_LAUNCH_DIR
-#################################################
-# write out config.h in the right directory
@conf
def SAMBA_CONFIG_H(conf, path=None):
+ '''write out config.h in the right directory'''
# we don't want to produce a config.h in places like lib/replace
# when we are building projects that depend on lib/replace
- if os.path.realpath(conf.curdir) != os.path.realpath(Options.launch_dir):
+ if not IN_LAUNCH_DIR(conf):
return
if Options.options.developer:
# we add these here to ensure that -Wstrict-prototypes is not set during configure
- conf.ADD_CFLAGS('-Wall -g -Wfatal-errors -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -Werror-implicit-function-declaration -Wformat=2 -Wno-format-y2k',
+ conf.ADD_CFLAGS('-Wall -g -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-align -Wwrite-strings -Werror-implicit-function-declaration -Wformat=2 -Wno-format-y2k -Wmissing-prototypes',
testflags=True)
+ if os.getenv('TOPLEVEL_BUILD'):
+ conf.ADD_CFLAGS('-Wcast-qual', testflags=True)
+ conf.env.DEVELOPER_MODE = True
+
+ if Options.options.picky_developer:
+ conf.ADD_CFLAGS('-Werror', testflags=True)
+
+ if Options.options.fatal_errors:
+ conf.ADD_CFLAGS('-Wfatal-errors', testflags=True)
+
+ if Options.options.pedantic:
+ conf.ADD_CFLAGS('-W', testflags=True)
if path is None:
conf.write_config_header('config.h', top=True)
else:
conf.write_config_header(path)
+ conf.SAMBA_CROSS_CHECK_COMPLETE()
-##############################################################
-# setup a configurable path
@conf
def CONFIG_PATH(conf, name, default):
+ '''setup a configurable path'''
if not name in conf.env:
if default[0] == '/':
conf.env[name] = default
else:
conf.env[name] = conf.env['PREFIX'] + default
- conf.define(name, conf.env[name], quote=True)
-
@conf
def ADD_CFLAGS(conf, flags, testflags=False):
conf.env['EXTRA_CFLAGS'] = []
conf.env['EXTRA_CFLAGS'].extend(TO_LIST(flags))
+@conf
+def ADD_LDFLAGS(conf, flags, testflags=False):
+ '''add some LDFLAGS to the command line
+ optionally set testflags to ensure all the flags work
+
+ this will return the flags that are added, if any
+ '''
+ if testflags:
+ ok_flags=[]
+ for f in flags.split():
+ if CHECK_LDFLAGS(conf, f):
+ ok_flags.append(f)
+ flags = ok_flags
+ if not 'EXTRA_LDFLAGS' in conf.env:
+ conf.env['EXTRA_LDFLAGS'] = []
+ conf.env['EXTRA_LDFLAGS'].extend(TO_LIST(flags))
+ return flags
+
-##############################################################
-# add some extra include directories to all builds
@conf
def ADD_EXTRA_INCLUDES(conf, includes):
+ '''add some extra include directories to all builds'''
if not 'EXTRA_INCLUDES' in conf.env:
conf.env['EXTRA_INCLUDES'] = []
conf.env['EXTRA_INCLUDES'].extend(TO_LIST(includes))
-##############################################################
-# work out the current flags. local flags are added first
-def CURRENT_CFLAGS(bld, target, cflags):
+
+def CURRENT_CFLAGS(bld, target, cflags, hide_symbols=False):
+ '''work out the current flags. local flags are added first'''
if not 'EXTRA_CFLAGS' in bld.env:
list = []
else:
list = bld.env['EXTRA_CFLAGS'];
ret = TO_LIST(cflags)
ret.extend(list)
+ if hide_symbols and bld.env.HAVE_VISIBILITY_ATTR:
+ ret.append('-fvisibility=hidden')
return ret
-@conf
-def CHECK_RPATH_SUPPORT(conf):
- '''see if the system supports rpath'''
- return conf.CHECK_CODE('int x',
- define='HAVE_RPATH_SUPPORT',
- execute=True,
- local_include=False,
- msg='Checking for rpath support',
- cflags='-Wl,-rpath=.')
@conf
def CHECK_CC_ENV(conf):
- '''trim whitespaces from 'CC'.
- The build farm sometimes puts a space at the start'''
+ """trim whitespaces from 'CC'.
+ The build farm sometimes puts a space at the start"""
if os.environ.get('CC'):
conf.env.CC = TO_LIST(os.environ.get('CC'))
if len(conf.env.CC) == 1:
git.samba.org / samba.git / blobdiff