SConstruct

Revision 174, 9.7 kB (checked in by namespace, 1 year ago)
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1	# scons build script
2	# http://scons.sourceforge.net
3
4	import commands, re, sys, os, pickle, string, popen2
5	from makeversion import radiant_makeversion, get_version
6
7	# to access some internal stuff
8	import SCons
9
10	conf_filename='site.conf'
11	# there is a default hardcoded value, you can override on command line, those are saved between runs
12	# we only handle strings
13	serialized=['CC', 'CXX', 'JOBS', 'BUILD']
14
15	# help -------------------------------------------
16
17	Help("""
18	Usage: scons [OPTIONS] [TARGET] [CONFIG]
19
20	[OPTIONS] and [TARGET] are covered in command line options, use scons -H
21
22	[CONFIG]: KEY="VALUE" [...]
23	a number of configuration options saved between runs in the """ + conf_filename + """ file
24	erase """ + conf_filename + """ to start with default settings again
25
26	CC
27	CXX
28	Specify C and C++ compilers (defaults gcc and g++)
29	ex: CC="gcc-3.2"
30	You can use ccache and distcc, for instance:
31	CC="ccache distcc gcc" CXX="ccache distcc g++"
32
33	JOBS
34	Parallel build
35	ex: JOBS="4" is a good setting on SMP machines
36
37	BUILD
38	Use debug/release to select build settings
39	ex: BUILD="debug" - default is debug
40	"""
41	)
42
43	# end help ---------------------------------------
44
45	# sanity -----------------------------------------
46
47	# get a recent python release
48	# that is broken in current version:
49	# http://sourceforge.net/tracker/index.php?func=detail&aid=794145&group_id=30337&atid=398971
50	#EnsurePythonVersion(2,1)
51	# above 0.90
52	EnsureSConsVersion( 0, 96 )
53	print 'SCons ' + SCons.__version__
54
55	# end sanity -------------------------------------
56
57	# system detection -------------------------------
58
59	# TODO: detect Darwin / OSX
60
61	# CPU type
62	g_cpu = commands.getoutput('uname -m')
63	exp = re.compile('.i?86.')
64	if (g_cpu == 'Power Macintosh' or g_cpu == 'ppc'):
65	g_cpu = 'ppc'
66	elif exp.match(g_cpu):
67	g_cpu = 'x86'
68	else:
69	g_cpu = 'cpu'
70
71	# OS
72	OS = commands.getoutput('uname')
73	print "OS=\"" + OS + "\""
74
75	if (OS == 'Linux'):
76	# libc .. do the little magic!
77	libc = commands.getoutput('/lib/libc.so.6 \|grep "GNU C "\|grep version\|awk -F "version " \'{ print $2 }\'\|cut -b -3')
78
79	# end system detection ---------------------------
80
81	# default settings -------------------------------
82
83	CC='gcc'
84	CXX='g++'
85	JOBS='1'
86	BUILD='debug'
87	INSTALL='#install'
88	g_build_root = 'build'
89
90	# end default settings ---------------------------
91
92	# site settings ----------------------------------
93
94	site_dict = {}
95	if (os.path.exists(conf_filename)):
96	site_file = open(conf_filename, 'r')
97	p = pickle.Unpickler(site_file)
98	site_dict = p.load()
99	print 'Loading build configuration from ' + conf_filename
100	for k, v in site_dict.items():
101	exec_cmd = k + '=\"' + v + '\"'
102	print exec_cmd
103	exec(exec_cmd)
104
105	# end site settings ------------------------------
106
107	# command line settings --------------------------
108
109	for k in serialized:
110	if (ARGUMENTS.has_key(k)):
111	exec_cmd = k + '=\"' + ARGUMENTS[k] + '\"'
112	print 'Command line: ' + exec_cmd
113	exec(exec_cmd)
114
115	# end command line settings ----------------------
116
117	# sanity check -----------------------------------
118
119
120	def GetGCCVersion(name):
121	ret = commands.getstatusoutput('%s -dumpversion' % name)
122	if ( ret[0] != 0 ):
123	return None
124	vers = string.split(ret[1], '.')
125	if ( len(vers) == 2 ):
126	return [ vers[0], vers[1], 0 ]
127	elif ( len(vers) == 3 ):
128	return vers
129	return None
130
131	ver_cc = GetGCCVersion(CC)
132	ver_cxx = GetGCCVersion(CXX)
133
134	if ( ver_cc is None or ver_cxx is None or ver_cc[0] < '3' or ver_cxx[0] < '3' or ver_cc != ver_cxx ):
135	print 'Compiler version check failed - need gcc 3.x or later:'
136	print 'CC: %s %s\nCXX: %s %s' % ( CC, repr(ver_cc), CXX, repr(ver_cxx) )
137	Exit(1)
138
139	# end sanity check -------------------------------
140
141	# save site configuration ----------------------
142
143	for k in serialized:
144	exec_cmd = 'site_dict[\'' + k + '\'] = ' + k
145	exec(exec_cmd)
146
147	site_file = open(conf_filename, 'w')
148	p = pickle.Pickler(site_file)
149	p.dump(site_dict)
150	site_file.close()
151
152	# end save site configuration ------------------
153
154	# general configuration, target selection --------
155
156	SConsignFile( "scons.signatures" )
157
158	g_build = g_build_root + '/' + BUILD
159
160	SetOption('num_jobs', JOBS)
161
162	LINK = CXX
163	# common flags
164	warningFlags = '-W -Wall -Wcast-align -Wcast-qual -Wno-unused-parameter '
165	warningFlagsCXX = '-Wno-non-virtual-dtor -Wreorder ' # -Wold-style-cast
166	# POSIX macro: platform supports posix IEEE Std 1003.1:2001
167	# XWINDOWS macro: platform supports X-Windows API
168	CCFLAGS = '-DPOSIX -DXWINDOWS ' + warningFlags
169	CXXFLAGS = '-pipe -DPOSIX -DXWINDOWS ' + warningFlags + warningFlagsCXX
170	CPPPATH = []
171	if (BUILD == 'debug'):
172	CXXFLAGS += '-g3 -D_DEBUG '
173	CCFLAGS += '-g3 -D_DEBUG '
174	elif (BUILD == 'release' or BUILD == 'final'):
175	CXXFLAGS += '-O2 '
176	CCFLAGS += '-O2 '
177	else:
178	print 'Unknown build configuration ' + BUILD
179	sys.exit( 0 )
180
181	LINKFLAGS = ''
182	if ( OS == 'Linux' ):
183
184	if ( BUILD == 'final' ):
185	# static
186	# 2112833 /opt/gtkradiant/radiant.x86
187	# 35282 /opt/gtkradiant/modules/archivezip.so
188	# 600099 /opt/gtkradiant/modules/entity.so
189
190	# dynamic
191	# 2237060 /opt/gtkradiant/radiant.x86
192	# 110605 /opt/gtkradiant/modules/archivezip.so
193	# 730222 /opt/gtkradiant/modules/entity.so
194
195	# EVIL HACK - force static-linking for libstdc++ - create a symbolic link to the static libstdc++ in the root
196	os.system("ln -s `g++ -print-file-name=libstdc++.a`")
197
198	#if not os.path.exists("./install"):
199	# os.mkdir("./install")
200	#os.system("cp `g++ -print-file-name=libstdc++.so` ./install")
201
202	# -fPIC might be worth removing when building for 32-bit x86
203	CCFLAGS += '-fPIC '
204	CXXFLAGS += '-fPIC -fno-exceptions -fno-rtti '
205	LINKFLAGS += '-fPIC -Wl,-fini,fini_stub -L. -static-libgcc '
206
207	if ( OS == 'Darwin' ):
208	CCFLAGS += '-force_cpusubtype_ALL -fPIC '
209	CXXFLAGS += '-force_cpusubtype_ALL -fPIC -fno-exceptions -fno-rtti '
210	CPPPATH.append('/sw/include')
211	CPPPATH.append('/usr/X11R6/include')
212	LINKFLAGS += '-L/sw/lib -L/usr/lib -L/usr/X11R6/lib '
213
214	CPPPATH.append('libs')
215
216	# extend the standard Environment a bit
217	class idEnvironment(Environment):
218
219	def __init__(self):
220	Environment.__init__(self,
221	ENV = os.environ,
222	CC = CC,
223	CXX = CXX,
224	LINK = LINK,
225	CCFLAGS = CCFLAGS,
226	CXXFLAGS = CXXFLAGS,
227	CPPPATH = CPPPATH,
228	LINKFLAGS = LINKFLAGS)
229
230	def useGlib2(self):
231	self['CXXFLAGS'] += '`pkg-config glib-2.0 --cflags` '
232	self['CCFLAGS'] += '`pkg-config glib-2.0 --cflags` '
233	if BUILD == 'final':
234	self['LINKFLAGS'] += '-lglib-2.0 '
235	else:
236	self['LINKFLAGS'] += '`pkg-config glib-2.0 --libs` '
237
238
239	def useXML2(self):
240	self['CXXFLAGS'] += '`xml2-config --cflags` '
241	self['CCFLAGS'] += '`xml2-config --cflags` '
242	if BUILD == 'final':
243	self['LINKFLAGS'] += '-lxml2 '
244	else:
245	self['LINKFLAGS'] += '`xml2-config --libs` '
246
247	def useGtk2(self):
248	self['CXXFLAGS'] += '`pkg-config gtk+-2.0 --cflags` '
249	self['CCFLAGS'] += '`pkg-config gtk+-2.0 --cflags` '
250	if BUILD == 'final':
251	self['LINKFLAGS'] += '-lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lpango-1.0 -lgdk_pixbuf-2.0 '
252	else:
253	self['LINKFLAGS'] += '`pkg-config gtk+-2.0 --libs-only-L` `pkg-config gtk+-2.0 --libs-only-l` '
254
255	def useGtkGLExt(self):
256	self['CXXFLAGS'] += '`pkg-config gtkglext-1.0 --cflags` '
257	self['CCFLAGS'] += '`pkg-config gtkglext-1.0 --cflags` '
258	#if BUILD == 'final':
259	self['LINKFLAGS'] += '-lgtkglext-x11-1.0 -lgdkglext-x11-1.0 '
260	# apparently pkg-config for gtkglext includes --export-dynamic, which b0rks everything.
261	#else:
262	# self['LINKFLAGS'] += 'pkg-config gtkglext-1.0 --libs-only-L` `pkg-config gtkglext-1.0 --libs-only-l` '
263
264	def usePNG(self):
265	self['CXXFLAGS'] += '`libpng-config --cflags` '
266	self['CCFLAGS'] += '`libpng-config --cflags` '
267	self['LINKFLAGS'] += '`libpng-config --ldflags` '
268
269	def useMHash(self):
270	self['LINKFLAGS'] += '-lmhash '
271
272	def useZLib(self):
273	self['LINKFLAGS'] += '-lz '
274
275	def usePThread(self):
276	if ( OS == 'Darwin' ):
277	self['LINKFLAGS'] += '-lpthread -Wl,-stack_size,0x400000 '
278	else:
279	self['LINKFLAGS'] += '-lpthread '
280
281	def CheckLDD(self, target, source, env):
282	file = target[0]
283	if (not os.path.isfile(file.abspath)):
284	print('ERROR: CheckLDD: target %s not found\n' % target[0])
285	Exit(1)
286	# not using os.popen3 as I want to check the return code
287	ldd = popen2.Popen3('`which ldd` -r %s' % target[0], 1)
288	stdout_lines = ldd.fromchild.readlines()
289	stderr_lines = ldd.childerr.readlines()
290	ldd_ret = ldd.wait()
291	del ldd
292	have_undef = 0
293	if ( ldd_ret != 0 ):
294	print "ERROR: ldd command returned with exit code %d" % ldd_ret
295	os.system('rm %s' % target[0])
296	Exit()
297	for i_line in stderr_lines:
298	print repr(i_line)
299	regex = re.compile('undefined symbol: (.)\t\$(.)\$\n')
300	if ( regex.match(i_line) ):
301	symbol = regex.sub('\\1', i_line)
302	try:
303	env['ALLOWED_SYMBOLS'].index(symbol)
304	except:
305	have_undef = 1
306	else:
307	print "ERROR: failed to parse ldd stderr line: %s" % i_line
308	os.system('rm %s' % target[0])
309	Exit(1)
310	if ( have_undef ):
311	print "ERROR: undefined symbols"
312	os.system('rm %s' % target[0])
313	Exit(1)
314
315	def SharedLibrarySafe(self, target, source, LIBS=[], LIBPATH='.'):
316	result = self.SharedLibrary(target, source, LIBS=LIBS, LIBPATH=LIBPATH)
317	if (OS != 'Darwin'):
318	AddPostAction(target + '.so', self.CheckLDD)
319	return result
320
321	g_env = idEnvironment()
322
323	# export the globals
324	GLOBALS = 'g_env INSTALL g_cpu'
325
326	radiant_makeversion('\\ngcc version: %s.%s.%s' % ( ver_cc[0], ver_cc[1], ver_cc[2] ) )
327
328	# end general configuration ----------------------
329
330	# targets ----------------------------------------
331
332	Default('.')
333
334	Export('GLOBALS ' + GLOBALS)
335	BuildDir(g_build, '.', duplicate = 0)
336	SConscript(g_build + '/SConscript')
337
338	# end targets ------------------------------------

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