xref: /petsc/config/configure.py (revision 8a62d963fa55bc78cd3ad0b969369715962ba40f)
1#!/usr/bin/env python
2import os
3import sys
4import commands
5
6
7if not hasattr(sys, 'version_info') or not sys.version_info[1] >= 2:
8  print '********* You must have Python version 2.2 or higher to run configure ***********'
9  print '* Python is easy to install for end users or sys-admin. We urge you to upgrade  *'
10  print '*                   http://www.python.org/download/                             *'
11  print '*                                                                               *'
12  print '* You can configure PETSc manually BUT please, please consider upgrading python *'
13  print '* http://www.mcs.anl.gov/petsc/petsc-2/documentation/installation.html#Manual   *'
14  print '*********************************************************************************'
15  sys.exit(4)
16
17def check_petsc_arch(opts):
18  # Check for PETSC_ARCH in the following order:
19  # 1. command-line (first occurance)
20  # 2. specified in configure_options(in script)
21  # 3. script name (if not configure.py)
22
23  useName = ''
24  for name in opts:
25    if name.startswith('-PETSC_ARCH'):
26      useName = name
27      break
28  # look for duplicates - and remove them
29  dupnames = []
30  if useName:
31    for name in opts:
32      if name.startswith('-PETSC_ARCH') and name != useName:
33        opts.remove(name)
34        dupnames.append(name)
35  # print warning for duplicates
36  if dupnames:
37    print '*********************************************************************************'
38    print 'Warning: The following duplicate PETSC_ARCH options are removed:', dupnames
39    print 'Warning: Using the option:', useName
40    print '*********************************************************************************'
41  # If not yet specified - use the filename of script
42  if not useName:
43      filename = os.path.basename(sys.argv[0])
44      if not filename.startswith('configure'):
45        useName = '-PETSC_ARCH='+os.path.splitext(os.path.basename(sys.argv[0]))[0]
46        opts.append(useName)
47  return
48
49def chkcygwin():
50  if os.path.exists('/usr/bin/cygcheck.exe'):
51    buf = os.popen('/usr/bin/cygcheck.exe -c cygwin').read()
52    if buf.find('1.5.11-1') > -1:
53      return 1
54    else:
55      return 0
56  return 0
57
58def rhl9():
59  try:
60    file = open('/etc/redhat-release','r')
61  except:
62    return 0
63  try:
64    buf = file.read()
65    file.close()
66  except:
67    # can't read file - assume dangerous RHL9
68    return 1
69  if buf.find('Shrike') > -1:
70    return 1
71  else:
72    return 0
73
74def petsc_configure(configure_options):
75  print '================================================================================='
76  print '             Configuring PETSc to compile on your system                         '
77  print '================================================================================='
78
79  sys.argv += configure_options
80  # check PETSC_ARCH
81  check_petsc_arch(sys.argv)
82
83  # support a few standard configure option types
84  for l in range(0,len(sys.argv)-1):
85    name = sys.argv[l]
86    if name.startswith('--enable'):
87      sys.argv[l] = name.replace('--enable','--with')
88      if name.find('=') == -1: sys.argv[l] += '=1'
89    if name.startswith('--disable'):
90      sys.argv[l] = name.replace('--disable','--with')
91      if name.find('=') == -1: sys.argv[l] += '=0'
92      elif name.endswith('=1'): sys.argv[l].replace('=1','=0')
93    if name.startswith('--without'):
94      sys.argv[l] = name.replace('--without','--with')
95      if name.find('=') == -1: sys.argv[l] += '=0'
96      elif name.endswith('=1'): sys.argv[l].replace('=1','=0')
97
98  # Disable threads on RHL9
99  if rhl9():
100    sys.argv.append('--useThreads=0')
101    print ' *** RHL9 detected. Disabling threads in configure *****'
102
103  # Check for broken cygwin
104  if chkcygwin():
105    print ' *** cygwin-1.5.11-1 detected. configure fails with this version   ***'
106    print ' *** Please upgrade to cygwin-1.5.12-1 or newer version. This can  ***'
107    print ' *** be done by running cygwin-setup, selecting "next" all the way.***'
108    sys.exit(3)
109
110  # Should be run from the toplevel
111  pythonDir = os.path.abspath(os.path.join('python'))
112  bsDir     = os.path.join(pythonDir, 'BuildSystem')
113  if not os.path.isdir(pythonDir):
114    raise RuntimeError('Run configure from $PETSC_DIR, not '+os.path.abspath('.'))
115  if not os.path.isdir(bsDir):
116    print '''++ Could not locate BuildSystem in $PETSC_DIR/python.'''
117    print '''++ Downloading it using "bk clone bk://sidl.bkbits.net/BuildSystem $PETSC_DIR/python/BuildSystem"'''
118    (status,output) = commands.getstatusoutput('bk clone bk://sidl.bkbits.net/BuildSystem python/BuildSystem')
119    if status:
120      if output.find('ommand not found') >= 0:
121        print '''** Unable to locate bk (Bitkeeper) to download BuildSystem; make sure bk is in your path'''
122        print '''** or manually copy BuildSystem to $PETSC_DIR/python/BuildSystem from a machine where'''
123        print '''** you do have bk installed and can clone BuildSystem. '''
124      elif output.find('Cannot resolve host') >= 0:
125        print '''** Unable to download BuildSystem. You must be off the network.'''
126        print '''** Connect to the internet and run config/configure.py again.'''
127      else:
128        print '''** Unable to download BuildSystem. Please send this message to petsc-maint@mcs.anl.gov'''
129      print output
130      sys.exit(3)
131
132  sys.path.insert(0, bsDir)
133  sys.path.insert(0, pythonDir)
134  import config.framework
135  import cPickle
136
137  framework = config.framework.Framework(sys.argv[1:]+['-configModules=PETSc.Configure'], loadArgDB = 0)
138  try:
139    framework.configure(out = sys.stdout)
140    framework.storeSubstitutions(framework.argDB)
141    framework.argDB['configureCache'] = cPickle.dumps(framework)
142    return 0
143  except RuntimeError, e:
144    msg = '***** Unable to configure with given options ***** (see configure.log for full details):\n' \
145    +str(e)+'\n******************************************************\n'
146    se = ''
147  except TypeError, e:
148    msg = '***** Error in command line argument to configure.py *****\n' \
149    +str(e)+'\n******************************************************\n'
150    se = ''
151  except ImportError, e:
152    msg = '******* Unable to find module for configure.py *******\n' \
153    +str(e)+'\n******************************************************\n'
154    se = ''
155  except SystemExit, e:
156    if e.code is None or e.code == 0:
157      return
158    msg = '*** CONFIGURATION CRASH **** Please send configure.log to petsc-maint@mcs.anl.gov\n'
159    se  = str(e)
160  except Exception, e:
161    msg = '*** CONFIGURATION CRASH **** Please send configure.log to petsc-maint@mcs.anl.gov\n'
162    se  = str(e)
163
164  print msg
165  if hasattr(framework, 'log'):
166    import traceback
167    framework.log.write(msg+se)
168    traceback.print_tb(sys.exc_info()[2], file = framework.log)
169    sys.exit(1)
170
171if __name__ == '__main__':
172  petsc_configure([])
173
174