xref: /petsc/config/configure.py (revision 6abefa4f446b2ea91915da4e25ea0defa83db48e)
1#!/usr/bin/env python
2import os
3import sys
4import commands
5# to load ~/.pythonrc.py before inserting correct BuildSystem to path
6import user
7extraLogs = []
8petsc_arch = ''
9
10# Use en_US as language so that BuildSystem parses compiler messages in english
11if 'LC_LOCAL' in os.environ and os.environ['LC_LOCAL'] != '' and os.environ['LC_LOCAL'] != 'en_US' and os.environ['LC_LOCAL']!= 'en_US.UTF-8': os.environ['LC_LOCAL'] = 'en_US.UTF-8'
12if 'LANG' in os.environ and os.environ['LANG'] != '' and os.environ['LANG'] != 'en_US' and os.environ['LANG'] != 'en_US.UTF-8': os.environ['LANG'] = 'en_US.UTF-8'
13
14if not hasattr(sys, 'version_info') or not sys.version_info[1] >= 2 or not sys.version_info[0] >= 2:
15  print '**** You must have Python version 2.2 or higher to run config/configure.py ******'
16  print '*           Python is easy to install for end users or sys-admin.               *'
17  print '*                   http://www.python.org/download/                             *'
18  print '*                                                                               *'
19  print '*            You CANNOT configure PETSc without Python                          *'
20  print '*    http://www.mcs.anl.gov/petsc/petsc-as/documentation/installation.html      *'
21  print '*********************************************************************************'
22  sys.exit(4)
23
24def check_for_option_mistakes(opts):
25  for opt in opts[1:]:
26    name = opt.split('=')[0]
27    if name.find('_') >= 0:
28      exception = False
29      for exc in ['superlu_dist', 'PETSC_ARCH', 'PETSC_DIR', 'CXX_CXXFLAGS', 'LD_SHARED', 'CC_LINKER_FLAGS', 'CXX_LINKER_FLAGS', 'FC_LINKER_FLAGS', 'AR_FLAGS', 'C_VERSION', 'CXX_VERSION', 'FC_VERSION', 'size_t', 'MPI_Comm','MPI_Fint']:
30        if name.find(exc) >= 0:
31          exception = True
32      if not exception:
33        raise ValueError('The option '+name+' should probably be '+name.replace('_', '-'));
34  return
35
36def check_petsc_arch(opts):
37  # If PETSC_ARCH not specified - use script name (if not configure.py)
38  global petsc_arch
39  found = 0
40  for name in opts:
41    if name.find('PETSC_ARCH=') >= 0:
42      petsc_arch=name.split('=')[1]
43      found = 1
44      break
45  # If not yet specified - use the filename of script
46  if not found:
47      filename = os.path.basename(sys.argv[0])
48      if not filename.startswith('configure') and not filename.startswith('reconfigure'):
49        petsc_arch=os.path.splitext(os.path.basename(sys.argv[0]))[0]
50        useName = 'PETSC_ARCH='+petsc_arch
51        opts.append(useName)
52  return 0
53
54def chkbrokencygwin():
55  if os.path.exists('/usr/bin/cygcheck.exe'):
56    buf = os.popen('/usr/bin/cygcheck.exe -c cygwin').read()
57    if buf.find('1.5.11-1') > -1:
58      print '================================================================================='
59      print ' *** cygwin-1.5.11-1 detected. config/configure.py fails with this version   ***'
60      print ' *** Please upgrade to cygwin-1.5.12-1 or newer version. This can  ***'
61      print ' *** be done by running cygwin-setup, selecting "next" all the way.***'
62      print '================================================================================='
63      sys.exit(3)
64  return 0
65
66def chkusingwindowspython():
67  if os.path.exists('/usr/bin/cygcheck.exe') and sys.platform != 'cygwin':
68    print '================================================================================='
69    print ' *** Non-cygwin python detected. Please rerun config/configure.py with cygwin-python ***'
70    print '================================================================================='
71    sys.exit(3)
72  return 0
73
74def chkcygwinpythonver():
75  if os.path.exists('/usr/bin/cygcheck.exe'):
76    buf = os.popen('/usr/bin/cygcheck.exe -c python').read()
77    if (buf.find('2.4') > -1) or (buf.find('2.5') > -1) or (buf.find('2.6') > -1):
78      sys.argv.append('--useThreads=0')
79      extraLogs.append('''\
80================================================================================
81** Cygwin-python-2.4/2.5 detected. Threads do not work correctly with this version *
82 ********* Disabling thread usage for this run of config/configure.py **********
83================================================================================''')
84  return 0
85
86def chkrhl9():
87  if os.path.exists('/etc/redhat-release'):
88    try:
89      file = open('/etc/redhat-release','r')
90      buf = file.read()
91      file.close()
92    except:
93      # can't read file - assume dangerous RHL9
94      buf = 'Shrike'
95    if buf.find('Shrike') > -1:
96      sys.argv.append('--useThreads=0')
97      extraLogs.append('''\
98================================================================================
99   *** RHL9 detected. Threads do not work correctly with this distribution ***
100    ****** Disabling thread usage for this run of config/configure.py *******
101================================================================================''')
102  return 0
103
104def check_broken_configure_log_links():
105  '''Sometime symlinks can get broken if the original files are deleted. Delete such broken links'''
106  import os
107  for logfile in ['configure.log','configure.log.bkp']:
108    if os.path.islink(logfile) and not os.path.isfile(logfile): os.remove(logfile)
109  return
110
111def move_configure_log(framework):
112  '''Move configure.log to PETSC_ARCH/conf - and update configure.log.bkp in both locations appropriately'''
113  global petsc_arch
114
115  if hasattr(framework,'arch'): petsc_arch = framework.arch
116  if hasattr(framework,'logName'): curr_file = framework.logName
117  else: curr_file = 'configure.log'
118
119  if petsc_arch:
120    import shutil
121    import os
122
123    # Just in case - confdir is not created
124    conf_dir = os.path.join(petsc_arch,'conf')
125    if not os.path.isdir(petsc_arch): os.mkdir(petsc_arch)
126    if not os.path.isdir(conf_dir): os.mkdir(conf_dir)
127
128    curr_bkp  = curr_file + '.bkp'
129    new_file  = os.path.join(conf_dir,curr_file)
130    new_bkp   = new_file + '.bkp'
131
132    # Keep backup in $PETSC_ARCH/conf location
133    if os.path.isfile(new_bkp): os.remove(new_bkp)
134    if os.path.isfile(new_file): os.rename(new_file,new_bkp)
135    if os.path.isfile(curr_file):
136      shutil.copyfile(curr_file,new_file)
137      os.remove(curr_file)
138    if os.path.isfile(new_file): os.symlink(new_file,curr_file)
139    # If the old bkp is using the same PETSC_ARCH/conf - then update bkp link
140    if os.path.realpath(curr_bkp) == os.path.realpath(new_file):
141      if os.path.isfile(curr_bkp): os.remove(curr_bkp)
142      if os.path.isfile(new_bkp): os.symlink(new_bkp,curr_bkp)
143  return
144
145def petsc_configure(configure_options):
146  print '================================================================================='
147  print '             Configuring PETSc to compile on your system                         '
148  print '================================================================================='
149
150  # Command line arguments take precedence (but don't destroy argv[0])
151  sys.argv = sys.argv[:1] + configure_options + sys.argv[1:]
152  check_for_option_mistakes(sys.argv)
153  # check PETSC_ARCH
154  check_petsc_arch(sys.argv)
155  check_broken_configure_log_links()
156
157  # support a few standard configure option types
158  for l in range(0,len(sys.argv)):
159    name = sys.argv[l]
160    if name.find('enable-') >= 0:
161      if name.find('=') == -1:
162        sys.argv[l] = name.replace('enable-','with-')+'=1'
163      else:
164        head, tail = name.split('=', 1)
165        sys.argv[l] = head.replace('enable-','with-')+'='+tail
166    if name.find('disable-') >= 0:
167      if name.find('=') == -1:
168        sys.argv[l] = name.replace('disable-','with-')+'=0'
169      else:
170        head, tail = name.split('=', 1)
171        if tail == '1': tail = '0'
172        sys.argv[l] = head.replace('disable-','with-')+'='+tail
173    if name.find('without-') >= 0:
174      if name.find('=') == -1:
175        sys.argv[l] = name.replace('without-','with-')+'=0'
176      else:
177        head, tail = name.split('=', 1)
178        if tail == '1': tail = '0'
179        sys.argv[l] = head.replace('without-','with-')+'='+tail
180
181  # Check for broken cygwin
182  chkbrokencygwin()
183  # Disable threads on RHL9
184  chkrhl9()
185  # Make sure cygwin-python is used on windows
186  chkusingwindowspython()
187  # Threads don't work for cygwin & python-2.4, 2.5 etc..
188  chkcygwinpythonver()
189
190  # Should be run from the toplevel
191  configDir = os.path.abspath('config')
192  bsDir     = os.path.join(configDir, 'BuildSystem')
193  if not os.path.isdir(configDir):
194    raise RuntimeError('Run configure from $PETSC_DIR, not '+os.path.abspath('.'))
195  if not os.path.isdir(bsDir):
196    print '================================================================================='
197    print '''++ Could not locate BuildSystem in %s.''' % configDir
198    print '''++ Downloading it using "hg clone http://hg.mcs.anl.gov/petsc/BuildSystem %s"''' % bsDir
199    print '================================================================================='
200    (status,output) = commands.getstatusoutput('hg clone http://petsc.cs.iit.edu/petsc/BuildSystem '+ bsDir)
201    if status:
202      if output.find('ommand not found') >= 0:
203        print '================================================================================='
204        print '''** Unable to locate hg (Mercurial) to download BuildSystem; make sure hg is in your path'''
205        print '''** or manually copy BuildSystem to $PETSC_DIR/config/BuildSystem from a machine where'''
206        print '''** you do have hg installed and can clone BuildSystem. '''
207        print '================================================================================='
208      elif output.find('Cannot resolve host') >= 0:
209        print '================================================================================='
210        print '''** Unable to download BuildSystem. You must be off the network.'''
211        print '''** Connect to the internet and run config/configure.py again.'''
212        print '================================================================================='
213      else:
214        print '================================================================================='
215        print '''** Unable to download BuildSystem. Please send this message to petsc-maint@mcs.anl.gov'''
216        print '================================================================================='
217      print output
218      sys.exit(3)
219
220  sys.path.insert(0, bsDir)
221  sys.path.insert(0, configDir)
222  import config.base
223  import config.framework
224  import cPickle
225
226  framework = None
227  try:
228    framework = config.framework.Framework(['--configModules=PETSc.Configure','--optionsModule=PETSc.compilerOptions']+sys.argv[1:], loadArgDB = 0)
229    framework.setup()
230    framework.logPrint('\n'.join(extraLogs))
231    framework.configure(out = sys.stdout)
232    framework.storeSubstitutions(framework.argDB)
233    framework.argDB['configureCache'] = cPickle.dumps(framework)
234    import PETSc.packages
235    for i in framework.packages:
236      if hasattr(i,'postProcess'):
237        i.postProcess()
238    framework.printSummary()
239    framework.logClear()
240    framework.closeLog()
241    try:
242      move_configure_log(framework)
243    except:
244      # perhaps print an error about unable to shuffle logs?
245      pass
246    return 0
247  except (RuntimeError, config.base.ConfigureSetupError), e:
248    emsg = str(e)
249    if not emsg.endswith('\n'): emsg = emsg+'\n'
250    msg ='*********************************************************************************\n'\
251    +'         UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for details):\n' \
252    +'---------------------------------------------------------------------------------------\n'  \
253    +emsg+'*********************************************************************************\n'
254    se = ''
255  except (TypeError, ValueError), e:
256    emsg = str(e)
257    if not emsg.endswith('\n'): emsg = emsg+'\n'
258    msg ='*********************************************************************************\n'\
259    +'                ERROR in COMMAND LINE ARGUMENT to config/configure.py \n' \
260    +'---------------------------------------------------------------------------------------\n'  \
261    +emsg+'*********************************************************************************\n'
262    se = ''
263  except ImportError, e :
264    emsg = str(e)
265    if not emsg.endswith('\n'): emsg = emsg+'\n'
266    msg ='*********************************************************************************\n'\
267    +'                     UNABLE to FIND MODULE for config/configure.py \n' \
268    +'---------------------------------------------------------------------------------------\n'  \
269    +emsg+'*********************************************************************************\n'
270    se = ''
271  except OSError, e :
272    emsg = str(e)
273    if not emsg.endswith('\n'): emsg = emsg+'\n'
274    msg ='*********************************************************************************\n'\
275    +'                    UNABLE to EXECUTE BINARIES for config/configure.py \n' \
276    +'---------------------------------------------------------------------------------------\n'  \
277    +emsg+'*********************************************************************************\n'
278    se = ''
279  except SystemExit, e:
280    if e.code is None or e.code == 0:
281      return
282    msg ='*********************************************************************************\n'\
283    +'           CONFIGURATION FAILURE  (Please send configure.log to petsc-maint@mcs.anl.gov)\n' \
284    +'*********************************************************************************\n'
285    se  = str(e)
286  except Exception, e:
287    msg ='*********************************************************************************\n'\
288    +'          CONFIGURATION CRASH  (Please send configure.log to petsc-maint@mcs.anl.gov)\n' \
289    +'*********************************************************************************\n'
290    se  = str(e)
291
292  print msg
293  if not framework is None:
294    framework.logClear()
295    if hasattr(framework, 'log'):
296      import traceback
297      try:
298        framework.log.write(msg+se)
299        traceback.print_tb(sys.exc_info()[2], file = framework.log)
300        close(framework.log)
301        move_configure_log(framework)
302      except:
303        pass
304      sys.exit(1)
305  else:
306    print se
307    import traceback
308    traceback.print_tb(sys.exc_info()[2])
309  close(framework.log)
310  move_configure_log(framework)
311
312if __name__ == '__main__':
313  petsc_configure([])
314
315