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root/radiance/ray/build_utils/load_plat.py
Revision: 1.15
Committed: Thu Mar 10 01:49:56 2016 UTC (8 years, 1 month ago) by schorsch
Content type: text/x-python
Branch: MAIN
Changes since 1.14: +28 -25 lines
Log Message:
SCons build system learns about platform architecture

File Contents

# User Rev Content
1 schorsch 1.1
2     import os
3     import sys
4 schorsch 1.14 import platform
5 schorsch 1.1 import ConfigParser
6    
7    
8     _platdir = 'platform'
9    
10    
11 schorsch 1.2 def read_plat(env, args, fn):
12 schorsch 1.13 envdict = env.Dictionary().copy()
13     # can't feed ConfigParser the original dict, because it also
14     # contains non-string values.
15     for k,v in envdict.items():
16     if not isinstance(v, str):
17     del envdict[k]
18     cfig = ConfigParser.ConfigParser(envdict)
19 schorsch 1.1 cfig.read(fn)
20 schorsch 1.12 buildvars = [['CC',
21     'TIFFINCLUDE', # where to find preinstalled tifflib headers
22     'TIFFLIB', # where to find a preinstalled tifflib library
23     ], # replace
24 schorsch 1.3 ['CPPPATH', 'CPPDEFINES', 'CPPFLAGS', 'CCFLAGS',
25 schorsch 1.11 'LIBPATH', 'LINKFLAGS',
26     'EZXML_CPPDEFINES', # build flags specific to ezxml.c
27     ]] # append
28 schorsch 1.1 vars = [
29     ['install',
30     ['RAD_BASEDIR', 'RAD_BINDIR', 'RAD_RLIBDIR', 'RAD_MANDIR'],
31     []],
32     ['code',
33 schorsch 1.12 [ # replace
34     ],
35 schorsch 1.7 [ # append
36 schorsch 1.11 'RAD_COMPAT', # theoretically obsolete (src/common/strcmp.c)
37 schorsch 1.7 'RAD_MATHCOMPAT', # erf.c floating point error function
38     'RAD_ARGSCOMPAT', # fixargv0.c for Windows
39     'RAD_NETCOMPAT', # [win_]netproc.c for ranimate
40     'RAD_MLIB', # usually 'm', or any fastlib available
41     'RAD_SOCKETLIB', # ws_2_32 on Windows (VC links it automatically)
42 schorsch 1.10 'RAD_PROCESS', # our process abstraction and win_popen()
43     'RAD_PCALLS', # more custom process abstraction
44     ]],
45 schorsch 1.1 ]
46 schorsch 1.2 if args.get('RAD_DEBUG',0):
47     vars.insert(0, ['debug'] + buildvars)
48     else: vars.insert(0, ['build'] + buildvars)
49 schorsch 1.1 for section in vars:
50     if cfig.has_section(section[0]):
51 schorsch 1.7 for p in section[1]: # single items to replace
52 schorsch 1.1 try: v = cfig.get(section[0], p)
53     except ConfigParser.NoOptionError: continue
54 schorsch 1.15 if section[0] == 'install' and '{' in v:
55     try:
56     vv = v.format(**os.environ)
57     except KeyError: vv = v
58     else: v = vv
59 schorsch 1.1 env[p] = v
60 schorsch 1.15 #print('%s: %s' % (p, env[p]))
61 schorsch 1.7 for p in section[2]: # multiple items to append
62 schorsch 1.1 try: v = cfig.get(section[0], p)
63     except ConfigParser.NoOptionError: continue
64 schorsch 1.9 apply(env.Append,[],{p:env.Split(v)})
65 schorsch 1.1 # XXX Check that basedir exists.
66     for k in ['RAD_BINDIR', 'RAD_RLIBDIR', 'RAD_MANDIR']:
67     if (env.has_key('RAD_BASEDIR') and env.has_key(k)
68     and not os.path.isabs(env[k])):
69     env[k] = os.path.join(env['RAD_BASEDIR'],env[k])
70    
71    
72 schorsch 1.15 def load_plat(env, args, arch=None):
73     cfgname = 'posix'
74     memmodel, binformat = platform.architecture()
75     platsys = platform.system()
76     print 'Detected platform "%s" (%s).' % (platsys, memmodel)
77     cfgname = platsys + '_' + memmodel[:2]
78     env['RAD_BUILDBIN'] = os.path.join('#scbuild', cfgname, 'bin')
79     env['RAD_BUILDLIB'] = os.path.join('#scbuild', cfgname, 'lib')
80     env['RAD_BUILDOBJ'] = os.path.join('#scbuild', cfgname, 'obj')
81    
82     pfn = os.path.join(_platdir, cfgname + '_custom.cfg')
83     if os.path.isfile(pfn):
84     print 'Reading configuration "%s"' % pfn
85     read_plat(env, args, pfn)
86     return 1
87     pfn = os.path.join(_platdir, cfgname + '.cfg')
88     if os.path.isfile(pfn):
89     print 'Reading configuration "%s"' % pfn
90     read_plat(env, args, pfn)
91     return 1
92    
93 schorsch 1.1 if os.name == 'posix':
94     pfn = os.path.join(_platdir, 'posix.cfg')
95     if os.path.isfile(pfn):
96     print 'Reading generic configuration "%s".' % pfn
97 schorsch 1.2 read_plat(env, args, pfn)
98 schorsch 1.1 return 1
99    
100 schorsch 1.15 print 'Platform "%s", system "%s" not supported yet' % (os.name, sys.platform)
101 schorsch 1.1 sys.exit(2)
102    
103    
104