xref: /petsc/config/configure.py (revision 96dc2fe806f3454323a8e1ba94550dc5a473b8a0)

#!/usr/bin/env python
import os
import sys
import commands


if not hasattr(sys, 'version_info') or not sys.version_info[1] >= 2:
  print '********* You must have Python version 2.2 or higher to run configure ***********'
  print '* Python is easy to install for end users or sys-admin. We urge you to upgrade  *'
  print '*                   http://www.python.org/download/                             *'
  print '*                                                                               *'
  print '* You can configure PETSc manually BUT please, please consider upgrading python *'
  print '* http://www.mcs.anl.gov/petsc/petsc-2/documentation/installation.html#Manual   *'
  print '*********************************************************************************'
  sys.exit(4)

class RestartException:
  def __init__(self,args):
    self.args = args
    return

def getarch():
  if os.path.basename(sys.argv[0]).startswith('configure'): return ''
  else: return os.path.basename(sys.argv[0])[:-3]

def petsc_configure(configure_options):
  # use the name of the config/configure_arch.py to determine the arch
  if getarch(): configure_options.append('-PETSC_ARCH='+getarch())

  # Should be run from the toplevel
  pythonDir = os.path.abspath(os.path.join('python'))
  bsDir     = os.path.join(pythonDir, 'BuildSystem')
  if not os.path.isdir(pythonDir):
    raise RuntimeError('Run configure from $PETSC_DIR, not '+os.path.abspath('.'))
  if not os.path.isdir(bsDir):
    print '''++ Could not locate BuildSystem in $PETSC_DIR/python.'''
    print '''++ Downloading it using "bk clone bk://sidl.bkbits.net/BuildSystem $PETSC_DIR/python/BuildSystem"'''
    (status,output) = commands.getstatusoutput('bk clone bk://sidl.bkbits.net/BuildSystem python/BuildSystem')
    if status:
      if output.find('ommand not found') >= 0:
        print '''** Unable to locate bk (Bitkeeper) to download BuildSystem; make sure bk is in your path'''
        print '''** or manually copy BuildSystem to $PETSC_DIR/python/BuildSystem from a machine where'''
        print '''** you do have bk installed and can clone BuildSystem. '''
      elif output.find('Cannot resolve host') >= 0:
        print '''** Unable to download BuildSystem. You must be off the network.'''
        print '''** Connect to the internet and run config/configure.py again.'''
      else:
        print '''** Unable to download BuildSystem. Please send this message to petsc-maint@mcs.anl.gov'''
      print output
      sys.exit(3)

  sys.path.insert(0, bsDir)
  sys.path.insert(0, pythonDir)
  import config.framework
  import cPickle

  framework = []
  try:
    framework = while_petsc_configure(sys.argv[1:]+['-configModules=PETSc.Configure']+configure_options)
    framework.storeSubstitutions(framework.argDB)
    framework.argDB['configureCache'] = cPickle.dumps(framework)
    return 0
  except RuntimeError, e:
    msg = '***** Unable to configure with given options ***** (see configure.log for full details):\n' \
    +str(e)+'\n******************************************************\n'
    se = ''
  except TypeError, e:
    msg = '***** Error in command line argument to configure.py *****\n' \
    +str(e)+'\n******************************************************\n'
    se = ''
  except ImportError, e:
    msg = '******* Unable to find module for configure.py *******\n' \
    +str(e)+'\n******************************************************\n'
    se = ''
  except SystemExit, e:
    if e.code is None or e.code == 0:
      return
    msg = '*** CONFIGURATION CRASH **** Please send configure.log to petsc-maint@mcs.anl.gov\n'
    se  = str(e)
  except Exception, e:
    msg = '*** CONFIGURATION CRASH **** Please send configure.log to petsc-maint@mcs.anl.gov\n'
    se  = str(e)

  print msg
  if hasattr(framework, 'log'):
    framework.log.write(msg+se)
    file = framework.log
  else:
    print se
    file = sys.stdout
  import traceback
  traceback.print_tb(sys.exc_info()[2], file = file)
  sys.exit(1)


def while_petsc_configure(args):
  import config.framework
  while 1:
    framework = config.framework.Framework(args, loadArgDB = 0)
    try:
      framework.configure(out = sys.stdout)
      break
    except RestartException, e:
      # ugly crap; merge additional args
      for j in e.args:
        found = 0
        for i in len(args):
          if args[i].startswith(j):
            args[i] += ' '+e.args[j]
            found = 1
            break
        if not found:
          args.append(j+'='+e.args[j])
      args.append('-logAppend=1')
  return framework

if __name__ == '__main__':
  petsc_configure([])