summaryrefslogtreecommitdiff
path: root/lib/replace/wafsamba.py
blob: 575e946c29bc76ec3941ff06a9abfcb325046354 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
# a waf tool to add autoconf-like macros to the configure section
# and for SAMBA_ macros for building libraries, binaries etc

import Build, os, Logs, sys, Configure, Options
from Configure import conf

LIB_PATH="shared"

######################################################
# this is used as a decorator to make functions only
# run once. Based on the idea from
# http://stackoverflow.com/questions/815110/is-there-a-decorator-to-simply-cache-function-return-values
runonce_ret = {}
def runonce(function):
    def wrapper(*args):
        if args in runonce_ret:
            return runonce_ret[args]
        else:
            ret = function(*args)
            runonce_ret[args] = ret
            return ret
    return wrapper


####################################################
# some autoconf like helpers, to make the transition
# to waf a bit easier for those used to autoconf
# m4 files
@runonce
@conf
def DEFUN(conf, d, v):
    conf.define(d, v, quote=False)
    conf.env.append_value('CCDEFINES', d + '=' + str(v))

@runonce
def CHECK_HEADER(conf, h):
    if conf.check(header_name=h):
        conf.env.hlist.append(h)

@conf
def CHECK_HEADERS(conf, list):
    for hdr in list.split():
        CHECK_HEADER(conf, hdr)

@conf
def CHECK_TYPES(conf, list):
    for t in list.split():
        conf.check(type_name=t, header_name=conf.env.hlist)

@conf
def CHECK_TYPE_IN(conf, t, hdr):
    if conf.check(header_name=hdr):
        conf.check(type_name=t, header_name=hdr)

@conf
def CHECK_TYPE(conf, t, alternate):
    if not conf.check(type_name=t, header_name=conf.env.hlist):
        conf.DEFUN(t, alternate)

@runonce
def CHECK_FUNC(conf, f):
    conf.check(function_name=f, header_name=conf.env.hlist)


@conf
def CHECK_FUNCS(conf, list):
    for f in list.split():
        CHECK_FUNC(conf, f)

@conf
def CHECK_FUNCS_IN(conf, list, library):
    if conf.check(lib=library, uselib_store=library):
        for f in list.split():
            conf.check(function_name=f, lib=library, header_name=conf.env.hlist)
        conf.env['LIB_' + library.upper()] = library


#################################################
# write out config.h in the right directory
@conf
def SAMBA_CONFIG_H(conf, path=None):
    if os.path.normpath(conf.curdir) != os.path.normpath(os.environ.get('PWD')):
        return
    if path is None:
        conf.write_config_header('config.h', top=True)
    else:
        conf.write_config_header(path)


##############################################################
# setup a configurable path
@conf
def CONFIG_PATH(conf, name, default):
    if not name in conf.env:
        conf.env[name] = conf.env['PREFIX'] + default
    conf.define(name, conf.env[name], quote=True)

##############################################################
# add some CFLAGS to the command line
@conf
def ADD_CFLAGS(conf, flags):
    conf.env.append_value('CCFLAGS', flags.split())


################################################################
# magic rpath handling
#
# we want a different rpath when installing and when building
# Note that this should really check if rpath is available on this platform
# and it should also honor an --enable-rpath option
def set_rpath(bld):
    if Options.is_install:
        if bld.env['RPATH_ON_INSTALL']:
            bld.env['RPATH'] = ['-Wl,-rpath=%s/lib' % bld.env.PREFIX]
        else:
            bld.env['RPATH'] = []
    else:
        rpath = os.path.normpath('%s/bin/%s' % (bld.curdir, LIB_PATH))
        bld.env.append_value('RPATH', '-Wl,-rpath=%s' % rpath)
Build.BuildContext.set_rpath = set_rpath


#############################################################
# return a named build cache dictionary, used to store
# state inside the following functions
def BUILD_CACHE(bld, name):
    if name in bld.env:
        return bld.env[name]
    bld.env[name] = {}
    return bld.env[name]


#############################################################
# a build assert call
def ASSERT(ctx, expression, msg):
    if not expression:
        sys.stderr.write("ERROR: %s\n" % msg)
        raise AssertionError
Build.BuildContext.ASSERT = ASSERT

################################################################
# create a list of files by pre-pending each with a subdir name
def SUBDIR(bld, subdir, list):
    ret = ''
    for l in list.split():
        ret = ret + subdir + '/' + l + ' '
    return ret
Build.BuildContext.SUBDIR = SUBDIR

#################################################################
# create the samba build environment
@conf
def SAMBA_BUILD_ENV(conf):
    libpath="%s/%s" % (conf.blddir, LIB_PATH)
    if not os.path.exists(libpath):
        os.mkdir(libpath)

##############################################
# remove .. elements from a path list
def NORMPATH(bld, ilist):
    return " ".join([os.path.normpath(p) for p in ilist.split(" ")])
Build.BuildContext.NORMPATH = NORMPATH

################################################################
# add an init_function to the list for a subsystem
def ADD_INIT_FUNCTION(bld, subsystem, init_function):
    if init_function is None:
        return
    bld.ASSERT(subsystem is not None, "You must specify a subsystem for init_function '%s'" % init_function)
    cache = BUILD_CACHE(bld, 'INIT_FUNCTIONS')
    if not subsystem in cache:
        cache[subsystem] = ''
    cache[subsystem] += '%s,' % init_function
Build.BuildContext.ADD_INIT_FUNCTION = ADD_INIT_FUNCTION


#################################################################
# return a include list for a set of library dependencies
def SAMBA_LIBRARY_INCLUDE_LIST(bld, deps):
    ret = bld.curdir + ' '
    cache = BUILD_CACHE(bld, 'INCLUDE_LIST')
    for l in deps.split():
        if l in cache:
            ret = ret + cache[l] + ' '
    return ret
Build.BuildContext.SAMBA_LIBRARY_INCLUDE_LIST = SAMBA_LIBRARY_INCLUDE_LIST

#################################################################
# define a Samba library
def SAMBA_LIBRARY(bld, libname, source_list,
                  deps='',
                  public_deps='',
                  include_list='.',
                  public_headers=None,
                  vnum=None,
                  cflags=None,
                  autoproto=None):
    # print "Declaring SAMBA_LIBRARY %s" % libname
    ilist = bld.SAMBA_LIBRARY_INCLUDE_LIST(deps) + bld.SUBDIR(bld.curdir, include_list)
    ilist = bld.NORMPATH(ilist)
    bld(
        features = 'cc cshlib',
        source = source_list,
        target=libname,
        uselib_local = deps,
        includes='. ' + os.environ.get('PWD') + '/bin/default ' + ilist,
        vnum=vnum)

    # put a link to the library in bin/shared
    soext=""
    if vnum is not None:
        soext = '.' + vnum.split('.')[0]
    bld(
        source = 'lib%s.so' % libname,
        target = '%s.lnk' % libname,
        rule = 'ln -sf ../${SRC}%s %s/lib%s.so%s && touch ${TGT}' %
        (soext, LIB_PATH, libname, soext),
        shell = True
        )
    cache = BUILD_CACHE(bld, 'INCLUDE_LIST')
    cache[libname] = ilist

    cache = BUILD_CACHE(bld, 'LIB_DEPS')
    cache[libname] = deps.split()
Build.BuildContext.SAMBA_LIBRARY = SAMBA_LIBRARY


#################################################################
# define a Samba binary
def SAMBA_BINARY(bld, binname, source_list,
                 deps='',
                 syslibs='',
                 include_list='',
                 public_headers=None,
                 modules=None,
                 installdir=None,
                 ldflags=None,
                 cflags=None,
                 autoproto=None,
                 manpages=None):
    ilist = '. ' + os.environ.get('PWD') + '/bin/default ' + bld.SAMBA_LIBRARY_INCLUDE_LIST(deps) + ' ' + include_list
    ilist = bld.NORMPATH(ilist)
    ccflags = ''

    cache = BUILD_CACHE(bld, 'LIB_DEPS')
    cache[binname] = deps.split()

    cache = BUILD_CACHE(bld, 'INIT_FUNCTIONS')
    if modules is not None:
        for m in modules.split():
            bld.ASSERT(m in cache,
                       "No init_function defined for module '%s' in binary '%s'" % (m, binname))
            ccflags += ' -DSTATIC_%s_MODULES="%s"' % (m, cache[m])

    bld(
        features = 'cc cprogram',
        source = source_list,
        target = binname,
        uselib_local = deps,
        uselib = syslibs,
        includes = ilist,
        ccflags = ccflags,
        top=True)
    # put a link to the binary in bin/
    bld(
        source = binname,
        rule = 'ln -sf ${SRC} .',
        )
Build.BuildContext.SAMBA_BINARY = SAMBA_BINARY


#################################################################
# define a Samba python module
def SAMBA_PYTHON(bld, name, source_list,
                 deps='',
                 public_deps='',
                 realname=''):

    cache = BUILD_CACHE(bld, 'LIB_DEPS')
    cache[name] = deps.split()

    Logs.debug('runner: PYTHON_SAMBA not implemented')
    return
Build.BuildContext.SAMBA_PYTHON = SAMBA_PYTHON


################################################################
# build a C prototype file automatically
def AUTOPROTO(bld, header, source_list):
    if header is not None:
        bld(
            source = source_list,
            target = header,
            rule = '../script/mkproto.pl --srcdir=.. --builddir=. --public=/dev/null --private=${TGT} ${SRC}'
            )
Build.BuildContext.AUTOPROTO = AUTOPROTO


#################################################################
# define a Samba module.
def SAMBA_MODULE(bld, modname, source_list,
                 deps='',
                 include_list='.',
                 subsystem=None,
                 init_function=None,
                 autoproto=None,
                 aliases=None,
                 cflags=None,
                 output_type=None):
    bld.ADD_INIT_FUNCTION(subsystem, init_function)
    bld.AUTOPROTO(autoproto, source_list)
    bld.SAMBA_LIBRARY(modname, source_list,
                      deps=deps, include_list=include_list)
Build.BuildContext.SAMBA_MODULE = SAMBA_MODULE

#################################################################
# define a Samba subsystem
def SAMBA_SUBSYSTEM(bld, modname, source_list,
                    deps='',
                    public_deps='',
                    include_list='.',
                    public_headers=None,
                    autoproto=None,
                    cflags=None,
                    init_function_sentinal=None):
    bld.SAMBA_LIBRARY(modname, source_list,
                      deps=deps, include_list=include_list)
Build.BuildContext.SAMBA_SUBSYSTEM = SAMBA_SUBSYSTEM


###############################################################
# add a new set of build rules from a subdirectory
# the @runonce decorator ensures we don't end up
# with duplicate rules
@runonce
def BUILD_SUBDIR(bld, dir):
    bld.add_subdirs(dir)
Build.BuildContext.BUILD_SUBDIR = BUILD_SUBDIR

def CIRCULAR_DEPENDENCY(deps, path, cache, target):
    if target not in cache:
        return False
    for t in cache[target]:
        if t in deps:
            print "Circular dependency on target %s: %s" % (t, path)
            return True
        if CIRCULAR_DEPENDENCY(deps,
                               ("%s->%s" % (path, t)),
                               cache, t):
            return True
        deps[t] = True
    return False

############################################################
# check our build dependencies for circular dependencies
def CHECK_DEPENDENCIES(bld):
    cache = BUILD_CACHE(bld, 'LIB_DEPS')
    print "Checking for circular dependencies"
    for target in cache:
        deps = {}
        path = target
        bld.ASSERT(not CIRCULAR_DEPENDENCY(deps, path, cache, target),
                   "Circular dependency in target %s" % target)
    print "No circular dependencies"

Build.BuildContext.CHECK_DEPENDENCIES = CHECK_DEPENDENCIES


############################################################
# this overrides the 'waf -v' debug output to be in a nice
# unix like format instead of a python list.
# Thanks to ita on #waf for this
def exec_command(self, cmd, **kw):
    import Utils, Logs
    _cmd = cmd
    if isinstance(cmd, list):
        _cmd = ' '.join(cmd)
    Logs.debug('runner: %s' % _cmd)
    if self.log:
        self.log.write('%s\n' % cmd)
        kw['log'] = self.log
    try:
        if not kw.get('cwd', None):
            kw['cwd'] = self.cwd
    except AttributeError:
        self.cwd = kw['cwd'] = self.bldnode.abspath()
    return Utils.exec_command(cmd, **kw)
Build.BuildContext.exec_command = exec_command