1 # a waf tool to add autoconf-like macros to the configure section
3 import Build, os, Logs, sys, Configure, Options
4 import string, Task, Utils, optparse
5 from Configure import conf
7 from TaskGen import extension
8 from samba_utils import *
10 ####################################################
11 # some autoconf like helpers, to make the transition
12 # to waf a bit easier for those used to autoconf
17 def DEFINE(conf, d, v):
18 '''define a config option'''
19 conf.define(d, v, quote=False)
20 conf.env.append_value('CCDEFINES', d + '=' + str(v))
23 def CHECK_HEADER(conf, h, add_headers=True):
24 '''check for a header'''
25 if conf.check(header_name=h) and add_headers:
26 conf.env.hlist.append(h)
32 def CHECK_HEADERS(conf, list, add_headers=True):
33 '''check for a list of headers'''
35 for hdr in to_list(list):
36 if not CHECK_HEADER(conf, hdr, add_headers):
42 def CHECK_TYPES(conf, list):
43 '''check for a list of types'''
45 for t in to_list(list):
46 if not conf.check(type_name=t, header_name=conf.env.hlist):
52 def CHECK_TYPE_IN(conf, t, hdr):
53 '''check for a type in a specific header'''
54 if conf.check(header_name=hdr):
55 conf.check(type_name=t, header_name=hdr)
61 def CHECK_TYPE(conf, t, alternate=None, headers=None, define=None):
62 '''check for a type with an alternate'''
64 headers = conf.env.hlist
65 if define is not None:
66 ret = conf.check(type_name=t, header_name=headers, define_name=define)
68 ret = conf.check(type_name=t, header_name=headers)
69 if not ret and alternate is not None:
70 conf.DEFINE(t, alternate)
75 def CHECK_VARIABLE(conf, v, define=None, always=False, headers=None):
76 '''check for a variable declaration (or define)'''
78 if headers is not None:
79 hlist = to_list(headers)
81 hlist = conf.env.hlist
83 hdrs += '#include <%s>\n' % h
85 define = 'HAVE_%s' % v.upper()
86 if conf.check(fragment=
91 void *_x; _x=(void *)&%s;
97 msg="Checking for variable %s" % v):
98 conf.DEFINE(define, 1)
101 conf.DEFINE(define, 0)
105 def CHECK_DECLS(conf, vars, reverse=False, headers=None):
106 '''check a list of variable declarations, using the HAVE_DECL_xxx form
109 When reverse==True then use HAVE_xxx_DECL instead of HAVE_DECL_xxx
112 for v in to_list(vars):
114 define='HAVE_DECL_%s' % v.upper()
116 define='HAVE_%s_DECL' % v.upper()
117 if not CHECK_VARIABLE(conf, v, define=define, headers=headers):
123 def CHECK_FUNC(conf, f):
124 '''check for a function'''
125 return conf.check(function_name=f, header_name=conf.env.hlist)
129 def CHECK_FUNCS(conf, list):
130 '''check for a list of functions'''
132 for f in to_list(list):
133 if not CHECK_FUNC(conf, f):
139 def CHECK_SIZEOF(conf, vars, headers=None, define=None):
140 '''check the size of a type'''
142 if headers is not None:
143 hlist = to_list(headers)
145 hlist = conf.env.hlist
147 hdrs += '#include <%s>\n' % h
148 for v in to_list(vars):
150 define_name = 'SIZEOF_%s' % string.replace(v.upper(), ' ', '_')
157 printf("%%u\\n", (unsigned)sizeof(%s));
163 define_name=define_name,
165 msg="Checking size of %s" % v)
169 def CHECK_CODE(conf, code, define,
170 always=False, execute=False, addmain=True,
171 headers=None, msg=None):
172 '''check if some code compiles and/or runs'''
174 if headers is not None:
175 hlist = to_list(headers)
177 hlist = conf.env.hlist
179 hdrs += '#include <%s>\n' % h
187 fragment='#include "confdefs.h"\n%s\n int main(void) { %s; return 0; }' % (hdrs, code)
189 fragment='#include "confdefs.h"\n%s\n%s' % (hdrs, code)
191 conf.write_config_header('confdefs.h', top=True)
194 msg="Checking for %s" % define
196 if conf.check(fragment=fragment,
198 ccflags='-I%s' % conf.curdir,
199 includes='# . ../default',
201 conf.DEFINE(define, 1)
204 conf.DEFINE(define, 0)
209 def CHECK_STRUCTURE_MEMBER(conf, structname, member,
210 always=False, define=None, headers=None):
211 '''check for a structure member'''
213 if headers is not None:
214 hlist = to_list(headers)
216 hlist = conf.env.hlist
218 hdrs += '#include <%s>\n' % h
220 define = 'HAVE_%s' % member.upper()
221 if conf.check(fragment=
226 void *_x; _x=(void *)&s.%s;
229 ''' % (hdrs, structname, member),
231 msg="Checking for member %s in %s" % (member, structname)):
232 conf.DEFINE(define, 1)
235 conf.DEFINE(define, 0)
239 #################################################
240 # return True if a configuration option was found
242 def CONFIG_SET(conf, option):
243 return (option in conf.env) and (conf.env[option] != ())
244 Build.BuildContext.CONFIG_SET = CONFIG_SET
247 ###########################################################
248 # check that the functions in 'list' are available in 'library'
249 # if they are, then make that library available as a dependency
251 # if the library is not available and mandatory==True, then
254 # If the library is not available and mandatory==False, then
255 # add the library to the list of dependencies to remove from
258 # optionally check for the functions first in libc
260 def CHECK_FUNCS_IN(conf, list, library, mandatory=False, checklibc=False):
261 # first see if the functions are in libc
264 for f in to_list(list):
265 if not CHECK_FUNC(conf, f):
268 remaining = to_list(list)
271 LOCAL_CACHE_SET(conf, 'EMPTY_TARGETS', library.upper(), True)
274 if not conf.check(lib=library, uselib_store=library):
275 conf.ASSERT(not mandatory,
276 "Mandatory library '%s' not found for functions '%s'" % (library, list))
277 # if it isn't a mandatory library, then remove it from dependency lists
278 LOCAL_CACHE_SET(conf, 'EMPTY_TARGETS', library.upper(), True)
283 if not conf.check(function_name=f, lib=library, header_name=conf.env.hlist):
285 conf.env['LIB_' + library.upper()] = library
286 LOCAL_CACHE_SET(conf, 'TARGET_TYPE', library, 'SYSLIB')
290 #################################################
291 # write out config.h in the right directory
293 def SAMBA_CONFIG_H(conf, path=None):
294 if os.path.normpath(conf.curdir) != os.path.normpath(os.environ.get('PWD')):
297 conf.write_config_header('config.h', top=True)
299 conf.write_config_header(path)
302 ##############################################################
303 # setup a configurable path
305 def CONFIG_PATH(conf, name, default):
306 if not name in conf.env:
307 conf.env[name] = conf.env['PREFIX'] + default
308 conf.define(name, conf.env[name], quote=True)
310 ##############################################################
311 # add some CFLAGS to the command line
313 def ADD_CFLAGS(conf, flags):
314 if not 'EXTRA_CFLAGS' in conf.env:
315 conf.env['EXTRA_CFLAGS'] = []
316 conf.env['EXTRA_CFLAGS'].extend(to_list(flags))
318 ##############################################################
319 # add some extra include directories to all builds
321 def ADD_EXTRA_INCLUDES(conf, includes):
322 if not 'EXTRA_INCLUDES' in conf.env:
323 conf.env['EXTRA_INCLUDES'] = []
324 conf.env['EXTRA_INCLUDES'].extend(to_list(includes))
327 ##############################################################
328 # work out the current flags. local flags are added first
329 def CURRENT_CFLAGS(bld, cflags):
330 if not 'EXTRA_CFLAGS' in bld.env:
333 list = bld.env['EXTRA_CFLAGS'];
334 ret = to_list(cflags)