summaryrefslogtreecommitdiffstats
path: root/third_party/waf/waflib/extras/xcode6.py
blob: c5b309120c93208b59e233aa87e5e249c9cbe1b0 (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
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
#! /usr/bin/env python
# encoding: utf-8
# XCode 3/XCode 4/XCode 6/Xcode 7 generator for Waf
# Based on work by Nicolas Mercier 2011
# Extended by Simon Warg 2015, https://github.com/mimon
# XCode project file format based on http://www.monobjc.net/xcode-project-file-format.html

"""
See playground/xcode6/ for usage examples.

"""

from waflib import Context, TaskGen, Build, Utils, Errors, Logs
import os, sys

# FIXME too few extensions
XCODE_EXTS = ['.c', '.cpp', '.m', '.mm']

HEADERS_GLOB = '**/(*.h|*.hpp|*.H|*.inl)'

MAP_EXT = {
	'': "folder",
	'.h' :  "sourcecode.c.h",

	'.hh':  "sourcecode.cpp.h",
	'.inl': "sourcecode.cpp.h",
	'.hpp': "sourcecode.cpp.h",

	'.c':   "sourcecode.c.c",

	'.m':   "sourcecode.c.objc",

	'.mm':  "sourcecode.cpp.objcpp",

	'.cc':  "sourcecode.cpp.cpp",

	'.cpp': "sourcecode.cpp.cpp",
	'.C':   "sourcecode.cpp.cpp",
	'.cxx': "sourcecode.cpp.cpp",
	'.c++': "sourcecode.cpp.cpp",

	'.l':   "sourcecode.lex", # luthor
	'.ll':  "sourcecode.lex",

	'.y':   "sourcecode.yacc",
	'.yy':  "sourcecode.yacc",

	'.plist': "text.plist.xml",
	".nib":   "wrapper.nib",
	".xib":   "text.xib",
}

# Used in PBXNativeTarget elements
PRODUCT_TYPE_APPLICATION = 'com.apple.product-type.application'
PRODUCT_TYPE_FRAMEWORK = 'com.apple.product-type.framework'
PRODUCT_TYPE_EXECUTABLE = 'com.apple.product-type.tool'
PRODUCT_TYPE_LIB_STATIC = 'com.apple.product-type.library.static'
PRODUCT_TYPE_LIB_DYNAMIC = 'com.apple.product-type.library.dynamic'
PRODUCT_TYPE_EXTENSION = 'com.apple.product-type.kernel-extension'
PRODUCT_TYPE_IOKIT = 'com.apple.product-type.kernel-extension.iokit'

# Used in PBXFileReference elements
FILE_TYPE_APPLICATION = 'wrapper.cfbundle'
FILE_TYPE_FRAMEWORK = 'wrapper.framework'
FILE_TYPE_LIB_DYNAMIC = 'compiled.mach-o.dylib'
FILE_TYPE_LIB_STATIC = 'archive.ar'
FILE_TYPE_EXECUTABLE = 'compiled.mach-o.executable'

# Tuple packs of the above
TARGET_TYPE_FRAMEWORK = (PRODUCT_TYPE_FRAMEWORK, FILE_TYPE_FRAMEWORK, '.framework')
TARGET_TYPE_APPLICATION = (PRODUCT_TYPE_APPLICATION, FILE_TYPE_APPLICATION, '.app')
TARGET_TYPE_DYNAMIC_LIB = (PRODUCT_TYPE_LIB_DYNAMIC, FILE_TYPE_LIB_DYNAMIC, '.dylib')
TARGET_TYPE_STATIC_LIB = (PRODUCT_TYPE_LIB_STATIC, FILE_TYPE_LIB_STATIC, '.a')
TARGET_TYPE_EXECUTABLE = (PRODUCT_TYPE_EXECUTABLE, FILE_TYPE_EXECUTABLE, '')

# Maps target type string to its data
TARGET_TYPES = {
	'framework': TARGET_TYPE_FRAMEWORK,
	'app': TARGET_TYPE_APPLICATION,
	'dylib': TARGET_TYPE_DYNAMIC_LIB,
	'stlib': TARGET_TYPE_STATIC_LIB,
	'exe' :TARGET_TYPE_EXECUTABLE,
}

def delete_invalid_values(dct):
	""" Deletes entries that are dictionaries or sets """
	for k, v in list(dct.items()):
		if isinstance(v, dict) or isinstance(v, set):
			del dct[k]
	return dct

"""
Configuration of the global project settings. Sets an environment variable 'PROJ_CONFIGURATION'
which is a dictionary of configuration name and buildsettings pair.
E.g.:
env.PROJ_CONFIGURATION = {
	'Debug': {
		'ARCHS': 'x86',
		...
	}
	'Release': {
		'ARCHS': x86_64'
		...
	}
}
The user can define a completely customized dictionary in configure() stage. Otherwise a default Debug/Release will be created
based on env variable
"""
def configure(self):
	if not self.env.PROJ_CONFIGURATION:
		self.to_log("A default project configuration was created since no custom one was given in the configure(conf) stage. Define your custom project settings by adding PROJ_CONFIGURATION to env. The env.PROJ_CONFIGURATION must be a dictionary with at least one key, where each key is the configuration name, and the value is a dictionary of key/value settings.\n")

	# Check for any added config files added by the tool 'c_config'.
	if 'cfg_files' in self.env:
		self.env.INCLUDES = Utils.to_list(self.env.INCLUDES) + [os.path.abspath(os.path.dirname(f)) for f in self.env.cfg_files]

	# Create default project configuration?
	if 'PROJ_CONFIGURATION' not in self.env:
		defaults = delete_invalid_values(self.env.get_merged_dict())
		self.env.PROJ_CONFIGURATION = {
			"Debug": defaults,
			"Release": defaults,
		}

	# Some build settings are required to be present by XCode. We will supply default values
	# if user hasn't defined any.
	defaults_required = [('PRODUCT_NAME', '$(TARGET_NAME)')]
	for cfgname,settings in self.env.PROJ_CONFIGURATION.items():
		for default_var, default_val in defaults_required:
			if default_var not in settings:
				settings[default_var] = default_val

	# Error check customization
	if not isinstance(self.env.PROJ_CONFIGURATION, dict):
		raise Errors.ConfigurationError("The env.PROJ_CONFIGURATION must be a dictionary with at least one key, where each key is the configuration name, and the value is a dictionary of key/value settings.")

part1 = 0
part2 = 10000
part3 = 0
id = 562000999
def newid():
	global id
	id += 1
	return "%04X%04X%04X%012d" % (0, 10000, 0, id)

"""
Represents a tree node in the XCode project plist file format.
When written to a file, all attributes of XCodeNode are stringified together with
its value. However, attributes starting with an underscore _ are ignored
during that process and allows you to store arbitrary values that are not supposed
to be written out.
"""
class XCodeNode(object):
	def __init__(self):
		self._id = newid()
		self._been_written = False

	def tostring(self, value):
		if isinstance(value, dict):
			result = "{\n"
			for k,v in value.items():
				result = result + "\t\t\t%s = %s;\n" % (k, self.tostring(v))
			result = result + "\t\t}"
			return result
		elif isinstance(value, str):
			return '"%s"' % value.replace('"', '\\\\\\"')
		elif isinstance(value, list):
			result = "(\n"
			for i in value:
				result = result + "\t\t\t\t%s,\n" % self.tostring(i)
			result = result + "\t\t\t)"
			return result
		elif isinstance(value, XCodeNode):
			return value._id
		else:
			return str(value)

	def write_recursive(self, value, file):
		if isinstance(value, dict):
			for k,v in value.items():
				self.write_recursive(v, file)
		elif isinstance(value, list):
			for i in value:
				self.write_recursive(i, file)
		elif isinstance(value, XCodeNode):
			value.write(file)

	def write(self, file):
		if not self._been_written:
			self._been_written = True
			for attribute,value in self.__dict__.items():
				if attribute[0] != '_':
					self.write_recursive(value, file)
			w = file.write
			w("\t%s = {\n" % self._id)
			w("\t\tisa = %s;\n" % self.__class__.__name__)
			for attribute,value in self.__dict__.items():
				if attribute[0] != '_':
					w("\t\t%s = %s;\n" % (attribute, self.tostring(value)))
			w("\t};\n\n")

# Configurations
class XCBuildConfiguration(XCodeNode):
	def __init__(self, name, settings = {}, env=None):
		XCodeNode.__init__(self)
		self.baseConfigurationReference = ""
		self.buildSettings = settings
		self.name = name
		if env and env.ARCH:
			settings['ARCHS'] = " ".join(env.ARCH)


class XCConfigurationList(XCodeNode):
	def __init__(self, configlst):
		""" :param configlst: list of XCConfigurationList """
		XCodeNode.__init__(self)
		self.buildConfigurations = configlst
		self.defaultConfigurationIsVisible = 0
		self.defaultConfigurationName = configlst and configlst[0].name or ""

# Group/Files
class PBXFileReference(XCodeNode):
	def __init__(self, name, path, filetype = '', sourcetree = "SOURCE_ROOT"):

		XCodeNode.__init__(self)
		self.fileEncoding = 4
		if not filetype:
			_, ext = os.path.splitext(name)
			filetype = MAP_EXT.get(ext, 'text')
		self.lastKnownFileType = filetype
		self.explicitFileType = filetype
		self.name = name
		self.path = path
		self.sourceTree = sourcetree

	def __hash__(self):
		return (self.path+self.name).__hash__()

	def __eq__(self, other):
		return (self.path, self.name) == (other.path, other.name)

class PBXBuildFile(XCodeNode):
	""" This element indicate a file reference that is used in a PBXBuildPhase (either as an include or resource). """
	def __init__(self, fileRef, settings={}):
		XCodeNode.__init__(self)

		# fileRef is a reference to a PBXFileReference object
		self.fileRef = fileRef

		# A map of key/value pairs for additional settings.
		self.settings = settings

	def __hash__(self):
		return (self.fileRef).__hash__()

	def __eq__(self, other):
		return self.fileRef == other.fileRef

class PBXGroup(XCodeNode):
	def __init__(self, name, sourcetree = 'SOURCE_TREE'):
		XCodeNode.__init__(self)
		self.children = []
		self.name = name
		self.sourceTree = sourcetree

		# Maintain a lookup table for all PBXFileReferences
		# that are contained in this group.
		self._filerefs = {}

	def add(self, sources):
		"""
		Add a list of PBXFileReferences to this group

		:param sources: list of PBXFileReferences objects
		"""
		self._filerefs.update(dict(zip(sources, sources)))
		self.children.extend(sources)

	def get_sub_groups(self):
		"""
		Returns all child PBXGroup objects contained in this group
		"""
		return list(filter(lambda x: isinstance(x, PBXGroup), self.children))

	def find_fileref(self, fileref):
		"""
		Recursively search this group for an existing PBXFileReference. Returns None
		if none were found.

		The reason you'd want to reuse existing PBXFileReferences from a PBXGroup is that XCode doesn't like PBXFileReferences that aren't part of a PBXGroup hierarchy.
		If it isn't, the consequence is that certain UI features like 'Reveal in Finder'
		stops working.
		"""
		if fileref in self._filerefs:
			return self._filerefs[fileref]
		elif self.children:
			for childgroup in self.get_sub_groups():
				f = childgroup.find_fileref(fileref)
				if f:
					return f
		return None

class PBXContainerItemProxy(XCodeNode):
	""" This is the element for to decorate a target item. """
	def __init__(self, containerPortal, remoteGlobalIDString, remoteInfo='', proxyType=1):
		XCodeNode.__init__(self)
		self.containerPortal = containerPortal # PBXProject
		self.remoteGlobalIDString = remoteGlobalIDString # PBXNativeTarget
		self.remoteInfo = remoteInfo # Target name
		self.proxyType = proxyType

class PBXTargetDependency(XCodeNode):
	""" This is the element for referencing other target through content proxies. """
	def __init__(self, native_target, proxy):
		XCodeNode.__init__(self)
		self.target = native_target
		self.targetProxy = proxy

class PBXFrameworksBuildPhase(XCodeNode):
	""" This is the element for the framework link build phase, i.e. linking to frameworks """
	def __init__(self, pbxbuildfiles):
		XCodeNode.__init__(self)
		self.buildActionMask = 2147483647
		self.runOnlyForDeploymentPostprocessing = 0
		self.files = pbxbuildfiles #List of PBXBuildFile (.o, .framework, .dylib)

class PBXHeadersBuildPhase(XCodeNode):
	""" This is the element for adding header files to be packaged into the .framework """
	def __init__(self, pbxbuildfiles):
		XCodeNode.__init__(self)
		self.buildActionMask = 2147483647
		self.runOnlyForDeploymentPostprocessing = 0
		self.files = pbxbuildfiles #List of PBXBuildFile (.o, .framework, .dylib)

class PBXCopyFilesBuildPhase(XCodeNode):
	"""
	Represents the PBXCopyFilesBuildPhase section. PBXBuildFile
	can be added to this node to copy files after build is done.
	"""
	def __init__(self, pbxbuildfiles, dstpath, dstSubpathSpec=0, *args, **kwargs):
			XCodeNode.__init__(self)
			self.files = pbxbuildfiles
			self.dstPath = dstpath
			self.dstSubfolderSpec = dstSubpathSpec

class PBXSourcesBuildPhase(XCodeNode):
	""" Represents the 'Compile Sources' build phase in a Xcode target """
	def __init__(self, buildfiles):
		XCodeNode.__init__(self)
		self.files = buildfiles # List of PBXBuildFile objects

class PBXLegacyTarget(XCodeNode):
	def __init__(self, action, target=''):
		XCodeNode.__init__(self)
		self.buildConfigurationList = XCConfigurationList([XCBuildConfiguration('waf', {})])
		if not target:
			self.buildArgumentsString = "%s %s" % (sys.argv[0], action)
		else:
			self.buildArgumentsString = "%s %s --targets=%s" % (sys.argv[0], action, target)
		self.buildPhases = []
		self.buildToolPath = sys.executable
		self.buildWorkingDirectory = ""
		self.dependencies = []
		self.name = target or action
		self.productName = target or action
		self.passBuildSettingsInEnvironment = 0

class PBXShellScriptBuildPhase(XCodeNode):
	def __init__(self, action, target):
		XCodeNode.__init__(self)
		self.buildActionMask = 2147483647
		self.files = []
		self.inputPaths = []
		self.outputPaths = []
		self.runOnlyForDeploymentPostProcessing = 0
		self.shellPath = "/bin/sh"
		self.shellScript = "%s %s %s --targets=%s" % (sys.executable, sys.argv[0], action, target)

class PBXNativeTarget(XCodeNode):
	""" Represents a target in XCode, e.g. App, DyLib, Framework etc. """
	def __init__(self, target, node, target_type=TARGET_TYPE_APPLICATION, configlist=[], buildphases=[]):
		XCodeNode.__init__(self)
		product_type = target_type[0]
		file_type = target_type[1]

		self.buildConfigurationList = XCConfigurationList(configlist)
		self.buildPhases = buildphases
		self.buildRules = []
		self.dependencies = []
		self.name = target
		self.productName = target
		self.productType = product_type # See TARGET_TYPE_ tuples constants
		self.productReference = PBXFileReference(node.name, node.abspath(), file_type, '')

	def add_configuration(self, cf):
		""" :type cf: XCBuildConfiguration """
		self.buildConfigurationList.buildConfigurations.append(cf)

	def add_build_phase(self, phase):
		# Some build phase types may appear only once. If a phase type already exists, then merge them.
		if ( (phase.__class__ == PBXFrameworksBuildPhase)
			or (phase.__class__ == PBXSourcesBuildPhase) ):
			for b in self.buildPhases:
				if b.__class__ == phase.__class__:
					b.files.extend(phase.files)
					return
		self.buildPhases.append(phase)

	def add_dependency(self, depnd):
		self.dependencies.append(depnd)

# Root project object
class PBXProject(XCodeNode):
	def __init__(self, name, version, env):
		XCodeNode.__init__(self)

		if not isinstance(env.PROJ_CONFIGURATION, dict):
			raise Errors.WafError("Error: env.PROJ_CONFIGURATION must be a dictionary. This is done for you if you do not define one yourself. However, did you load the xcode module at the end of your wscript configure() ?")

		# Retrieve project configuration
		configurations = []
		for config_name, settings in env.PROJ_CONFIGURATION.items():
			cf = XCBuildConfiguration(config_name, settings)
			configurations.append(cf)

		self.buildConfigurationList = XCConfigurationList(configurations)
		self.compatibilityVersion = version[0]
		self.hasScannedForEncodings = 1
		self.mainGroup = PBXGroup(name)
		self.projectRoot = ""
		self.projectDirPath = ""
		self.targets = []
		self._objectVersion = version[1]

	def create_target_dependency(self, target, name):
		""" : param target : PXBNativeTarget """
		proxy = PBXContainerItemProxy(self, target, name)
		dependency = PBXTargetDependency(target, proxy)
		return dependency

	def write(self, file):

		# Make sure this is written only once
		if self._been_written:
			return

		w = file.write
		w("// !$*UTF8*$!\n")
		w("{\n")
		w("\tarchiveVersion = 1;\n")
		w("\tclasses = {\n")
		w("\t};\n")
		w("\tobjectVersion = %d;\n" % self._objectVersion)
		w("\tobjects = {\n\n")

		XCodeNode.write(self, file)

		w("\t};\n")
		w("\trootObject = %s;\n" % self._id)
		w("}\n")

	def add_target(self, target):
		self.targets.append(target)

	def get_target(self, name):
		""" Get a reference to PBXNativeTarget if it exists """
		for t in self.targets:
			if t.name == name:
				return t
		return None

@TaskGen.feature('c', 'cxx')
@TaskGen.after('propagate_uselib_vars', 'apply_incpaths')
def process_xcode(self):
	bld = self.bld
	try:
		p = bld.project
	except AttributeError:
		return

	if not hasattr(self, 'target_type'):
		return

	products_group = bld.products_group

	target_group = PBXGroup(self.name)
	p.mainGroup.children.append(target_group)

	# Determine what type to build - framework, app bundle etc.
	target_type = getattr(self, 'target_type', 'app')
	if target_type not in TARGET_TYPES:
		raise Errors.WafError("Target type '%s' does not exists. Available options are '%s'. In target '%s'" % (target_type, "', '".join(TARGET_TYPES.keys()), self.name))
	else:
		target_type = TARGET_TYPES[target_type]
	file_ext = target_type[2]

	# Create the output node
	target_node = self.path.find_or_declare(self.name+file_ext)
	target = PBXNativeTarget(self.name, target_node, target_type, [], [])

	products_group.children.append(target.productReference)

	# Pull source files from the 'source' attribute and assign them to a UI group.
	# Use a default UI group named 'Source' unless the user
	# provides a 'group_files' dictionary to customize the UI grouping.
	sources = getattr(self, 'source', [])
	if hasattr(self, 'group_files'):
		group_files = getattr(self, 'group_files', [])
		for grpname,files in group_files.items():
			group = bld.create_group(grpname, files)
			target_group.children.append(group)
	else:
		group = bld.create_group('Source', sources)
		target_group.children.append(group)

	# Create a PBXFileReference for each source file.
	# If the source file already exists as a PBXFileReference in any of the UI groups, then
	# reuse that PBXFileReference object (XCode does not like it if we don't reuse)
	for idx, path in enumerate(sources):
		fileref = PBXFileReference(path.name, path.abspath())
		existing_fileref = target_group.find_fileref(fileref)
		if existing_fileref:
			sources[idx] = existing_fileref
		else:
			sources[idx] = fileref

	# If the 'source' attribute contains any file extension that XCode can't work with,
	# then remove it. The allowed file extensions are defined in XCODE_EXTS.
	is_valid_file_extension = lambda file: os.path.splitext(file.path)[1] in XCODE_EXTS
	sources = list(filter(is_valid_file_extension, sources))

	buildfiles = [bld.unique_buildfile(PBXBuildFile(x)) for x in sources]
	target.add_build_phase(PBXSourcesBuildPhase(buildfiles))

	# Check if any framework to link against is some other target we've made
	libs = getattr(self, 'tmp_use_seen', [])
	for lib in libs:
		use_target = p.get_target(lib)
		if use_target:
			# Create an XCode dependency so that XCode knows to build the other target before this target
			dependency = p.create_target_dependency(use_target, use_target.name)
			target.add_dependency(dependency)

			buildphase = PBXFrameworksBuildPhase([PBXBuildFile(use_target.productReference)])
			target.add_build_phase(buildphase)
			if lib in self.env.LIB:
				self.env.LIB = list(filter(lambda x: x != lib, self.env.LIB))

	# If 'export_headers' is present, add files to the Headers build phase in xcode.
	# These are files that'll get packed into the Framework for instance.
	exp_hdrs = getattr(self, 'export_headers', [])
	hdrs = bld.as_nodes(Utils.to_list(exp_hdrs))
	files = [p.mainGroup.find_fileref(PBXFileReference(n.name, n.abspath())) for n in hdrs]
	files = [PBXBuildFile(f, {'ATTRIBUTES': ('Public',)}) for f in files]
	buildphase = PBXHeadersBuildPhase(files)
	target.add_build_phase(buildphase)

	# Merge frameworks and libs into one list, and prefix the frameworks
	frameworks = Utils.to_list(self.env.FRAMEWORK)
	frameworks = ' '.join(['-framework %s' % (f.split('.framework')[0]) for f in frameworks])

	libs = Utils.to_list(self.env.STLIB) + Utils.to_list(self.env.LIB)
	libs = ' '.join(bld.env['STLIB_ST'] % t for t in libs)

	# Override target specific build settings
	bldsettings = {
		'HEADER_SEARCH_PATHS': ['$(inherited)'] + self.env['INCPATHS'],
		'LIBRARY_SEARCH_PATHS': ['$(inherited)'] + Utils.to_list(self.env.LIBPATH) + Utils.to_list(self.env.STLIBPATH) + Utils.to_list(self.env.LIBDIR),
		'FRAMEWORK_SEARCH_PATHS': ['$(inherited)'] + Utils.to_list(self.env.FRAMEWORKPATH),
		'OTHER_LDFLAGS': libs + ' ' + frameworks + ' ' + ' '.join(bld.env['LINKFLAGS']),
		'OTHER_CPLUSPLUSFLAGS': Utils.to_list(self.env['CXXFLAGS']),
		'OTHER_CFLAGS': Utils.to_list(self.env['CFLAGS']),
		'INSTALL_PATH': [],
		'GCC_PREPROCESSOR_DEFINITIONS': self.env['DEFINES']
	}

	# Install path
	installpaths = Utils.to_list(getattr(self, 'install', []))
	prodbuildfile = PBXBuildFile(target.productReference)
	for instpath in installpaths:
		bldsettings['INSTALL_PATH'].append(instpath)
		target.add_build_phase(PBXCopyFilesBuildPhase([prodbuildfile], instpath))

	if not bldsettings['INSTALL_PATH']:
		del bldsettings['INSTALL_PATH']

	# Create build settings which can override the project settings. Defaults to none if user
	# did not pass argument. This will be filled up with target specific
	# search paths, libs to link etc.
	settings = getattr(self, 'settings', {})

	# The keys represents different build configuration, e.g. Debug, Release and so on..
	# Insert our generated build settings to all configuration names
	keys = set(settings.keys()) | set(bld.env.PROJ_CONFIGURATION.keys())
	for k in keys:
		if k in settings:
			settings[k].update(bldsettings)
		else:
			settings[k] = bldsettings

	for k,v in settings.items():
		target.add_configuration(XCBuildConfiguration(k, v))

	p.add_target(target)


class xcode(Build.BuildContext):
	cmd = 'xcode6'
	fun = 'build'

	def as_nodes(self, files):
		""" Returns a list of waflib.Nodes from a list of string of file paths """
		nodes = []
		for x in files:
			if not isinstance(x, str):
				d = x
			else:
				d = self.srcnode.find_node(x)
				if not d:
					raise Errors.WafError('File \'%s\' was not found' % x)
			nodes.append(d)
		return nodes

	def create_group(self, name, files):
		"""
		Returns a new PBXGroup containing the files (paths) passed in the files arg
		:type files: string
		"""
		group = PBXGroup(name)
		"""
		Do not use unique file reference here, since XCode seem to allow only one file reference
		to be referenced by a group.
		"""
		files_ = []
		for d in self.as_nodes(Utils.to_list(files)):
			fileref = PBXFileReference(d.name, d.abspath())
			files_.append(fileref)
		group.add(files_)
		return group

	def unique_buildfile(self, buildfile):
		"""
		Returns a unique buildfile, possibly an existing one.
		Use this after you've constructed a PBXBuildFile to make sure there is
		only one PBXBuildFile for the same file in the same project.
		"""
		try:
			build_files = self.build_files
		except AttributeError:
			build_files = self.build_files = {}

		if buildfile not in build_files:
			build_files[buildfile] = buildfile
		return build_files[buildfile]

	def execute(self):
		"""
		Entry point
		"""
		self.restore()
		if not self.all_envs:
			self.load_envs()
		self.recurse([self.run_dir])

		appname = getattr(Context.g_module, Context.APPNAME, os.path.basename(self.srcnode.abspath()))

		p = PBXProject(appname, ('Xcode 3.2', 46), self.env)

		# If we don't create a Products group, then
		# XCode will create one, which entails that
		# we'll start to see duplicate files in the UI
		# for some reason.
		products_group = PBXGroup('Products')
		p.mainGroup.children.append(products_group)

		self.project = p
		self.products_group = products_group

		# post all task generators
		# the process_xcode method above will be called for each target
		if self.targets and self.targets != '*':
			(self._min_grp, self._exact_tg) = self.get_targets()

		self.current_group = 0
		while self.current_group < len(self.groups):
			self.post_group()
			self.current_group += 1

		node = self.bldnode.make_node('%s.xcodeproj' % appname)
		node.mkdir()
		node = node.make_node('project.pbxproj')
		with open(node.abspath(), 'w') as f:
			p.write(f)
		Logs.pprint('GREEN', 'Wrote %r' % node.abspath())

def bind_fun(tgtype):
	def fun(self, *k, **kw):
		tgtype = fun.__name__
		if tgtype == 'shlib' or tgtype == 'dylib':
			features = 'cxx cxxshlib'
			tgtype = 'dylib'
		elif tgtype == 'framework':
			features = 'cxx cxxshlib'
			tgtype = 'framework'
		elif tgtype == 'program':
			features = 'cxx cxxprogram'
			tgtype = 'exe'
		elif tgtype == 'app':
			features = 'cxx cxxprogram'
			tgtype = 'app'
		elif tgtype == 'stlib':
			features = 'cxx cxxstlib'
			tgtype = 'stlib'
		lst = kw['features'] = Utils.to_list(kw.get('features', []))
		for x in features.split():
			if not x in kw['features']:
				lst.append(x)

		kw['target_type'] = tgtype
		return self(*k, **kw)
	fun.__name__ = tgtype
	setattr(Build.BuildContext, tgtype, fun)
	return fun

for xx in 'app framework dylib shlib stlib program'.split():
	bind_fun(xx)