xref: /petsc/config/configure.py (revision a1cb98fac0cdf0eb4d3e8a0c8b58f3fe8f800bc6)
1#!/usr/bin/env python3
2from __future__ import print_function
3import os, sys
4
5extraLogs  = []
6petsc_arch = ''
7
8# Use en_US as language so that BuildSystem parses compiler messages in english
9def fixLang(lang):
10  if lang in os.environ and os.environ[lang] != '':
11    lv = os.environ[lang]
12    enc = ''
13    try: lv,enc = lv.split('.')
14    except: pass
15    if lv not in ['en_US','C']: lv = 'en_US'
16    if enc: lv = lv+'.'+enc
17    os.environ[lang] = lv
18
19fixLang('LC_LOCAL')
20fixLang('LANG')
21
22
23def check_for_option_mistakes(opts):
24  for opt in opts[1:]:
25    name = opt.split('=')[0]
26    if name.find(' ') >= 0:
27      raise ValueError('The option "'+name+'" has a space character in the name - this is likely incorrect usage.');
28    if name.find('_') >= 0:
29      exception = False
30      for exc in ['mkl_sparse', 'mkl_sparse_optimize', 'mkl_cpardiso', 'mkl_pardiso', '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','int64_t']:
31        if name.find(exc) >= 0:
32          exception = True
33      if not exception:
34        raise ValueError('The option '+name+' should probably be '+name.replace('_', '-'));
35    if opt.find('=') >=0:
36      optval = opt.split('=')[1]
37      if optval == 'ifneeded':
38        raise ValueError('The option '+opt+' should probably be '+opt.replace('ifneeded', '1'));
39    for exc in ['mkl_sparse', 'mkl_sparse_optimize', 'mkl_cpardiso', 'mkl_pardiso', 'superlu_dist']:
40      if name.find(exc.replace('_','-')) > -1:
41        raise ValueError('The option '+opt+' should be '+opt.replace(exc.replace('_','-'),exc));
42  return
43
44def check_for_unsupported_combinations(opts):
45  if '--with-precision=single' in opts and '--with-clanguage=cxx' in opts and '--with-scalar-type=complex' in opts:
46    sys.exit(ValueError('PETSc does not support single precision complex with C++ clanguage, run with --with-clanguage=c'))
47
48def check_for_option_changed(opts):
49# Document changes in command line options here. (matlab-engine is deprecated, no longer needed but still allowed)
50  optMap = [('with-64bit-indices','with-64-bit-indices'),
51            ('with-mpi-exec','with-mpiexec'),
52            ('c-blas-lapack','f2cblaslapack'),
53            ('cholmod','suitesparse'),
54            ('umfpack','suitesparse'),
55            ('matlabengine','matlab-engine'),
56            ('sundials','sundials2'),
57            ('f-blas-lapack','fblaslapack'),
58            ('with-packages-dir','with-packages-download-dir'),
59            ('with-external-packages-dir','with-packages-build-dir'),
60            ('package-dirs','with-packages-search-path'),
61            ('download-petsc4py-python','with-python-exec'),
62            ('search-dirs','with-executables-search-path')]
63  for opt in opts[1:]:
64    optname = opt.split('=')[0].strip('-')
65    for oldname,newname in optMap:
66      if optname.find(oldname) >=0 and not optname.find(newname) >=0:
67        raise ValueError('The option '+opt+' should probably be '+opt.replace(oldname,newname))
68  return
69
70def check_petsc_arch(opts):
71  # If PETSC_ARCH not specified - use script name (if not configure.py)
72  global petsc_arch
73  found = 0
74  for name in opts:
75    if name.find('PETSC_ARCH=') >= 0:
76      petsc_arch=name.split('=')[1]
77      found = 1
78      break
79  # If not yet specified - use the filename of script
80  if not found:
81      filename = os.path.basename(sys.argv[0])
82      if not filename.startswith('configure') and not filename.startswith('reconfigure') and not filename.startswith('setup'):
83        petsc_arch=os.path.splitext(os.path.basename(sys.argv[0]))[0]
84        useName = 'PETSC_ARCH='+petsc_arch
85        opts.append(useName)
86  return 0
87
88def chkenable():
89  #Replace all 'enable-'/'disable-' with 'with-'=0/1/tail
90  #enable-fortran is a special case, the resulting --with-fortran is ambiguous.
91  #Would it mean --with-fc=
92  en_dash = u'\N{EN DASH}'
93  no_break_space = u'\N{NO-BREAK SPACE}'
94  for l in range(0,len(sys.argv)):
95    name = sys.argv[l]
96    if name.find(no_break_space) >= 0:
97      sys.exit(ValueError('Unicode NO-BREAK SPACE char found in arguments! Please rerun configure using regular space chars: %s' % [name]))
98    name = name.replace(en_dash,'-')
99    if hasattr(name,'isprintable') and not name.isprintable():
100      sys.exit(ValueError('Non-printable characters or control characters found in arguments! Please rerun configure using only printable character arguments: %s' % [name]))
101    if name.lstrip('-').startswith('enable-cxx'):
102      if name.find('=') == -1:
103        name = name.replace('enable-cxx','with-clanguage=C++',1)
104      else:
105        head, tail = name.split('=', 1)
106        if tail=='0':
107          name = head.replace('enable-cxx','with-clanguage=C',1)
108        else:
109          name = head.replace('enable-cxx','with-clanguage=C++',1)
110      sys.argv[l] = name
111      continue
112    if name.lstrip('-').startswith('disable-cxx'):
113      if name.find('=') == -1:
114        name = name.replace('disable-cxx','with-clanguage=C',1)
115      else:
116        head, tail = name.split('=', 1)
117        if tail == '0':
118          name = head.replace('disable-cxx','with-clanguage=C++',1)
119        else:
120          name = head.replace('disable-cxx','with-clanguage=C',1)
121      sys.argv[l] = name
122      continue
123
124    if name.lstrip('-').startswith('enable-'):
125      if name.find('=') == -1:
126        name = name.replace('enable-','with-',1)+'=1'
127      else:
128        head, tail = name.split('=', 1)
129        name = head.replace('enable-','with-',1)+'='+tail
130    if name.lstrip('-').startswith('disable-'):
131      if name.find('=') == -1:
132        name = name.replace('disable-','with-',1)+'=0'
133      else:
134        head, tail = name.split('=', 1)
135        if tail == '1': tail = '0'
136        name = head.replace('disable-','with-',1)+'='+tail
137    if name.lstrip('-').startswith('without-'):
138      if name.find('=') == -1:
139        name = name.replace('without-','with-',1)+'=0'
140      else:
141        head, tail = name.split('=', 1)
142        if tail == '1': tail = '0'
143        name = head.replace('without-','with-',1)+'='+tail
144    sys.argv[l] = name
145
146def chksynonyms():
147  #replace common configure options with ones that PETSc BuildSystem recognizes
148  simplereplacements = {'F77' : 'FC', 'F90' : 'FC'}
149  for l in range(0,len(sys.argv)):
150    name = sys.argv[l]
151
152    name = name.replace('download-petsc4py','with-petsc4py')
153    name = name.replace('with-openmpi','with-mpi')
154    name = name.replace('with-mpich','with-mpi')
155    name = name.replace('with-blas-lapack','with-blaslapack')
156    name = name.replace('with-cuda-gencodearch','with-cuda-arch')
157    name = name.replace('download-hdf5-fortran-bindings','with-hdf5-fortran-bindings')
158
159    if name.find('with-debug=') >= 0 or name.endswith('with-debug'):
160      if name.find('=') == -1:
161        name = name.replace('with-debug','with-debugging')+'=1'
162      else:
163        head, tail = name.split('=', 1)
164        name = head.replace('with-debug','with-debugging')+'='+tail
165
166    if name.find('with-shared=') >= 0 or name.endswith('with-shared'):
167      if name.find('=') == -1:
168        name = name.replace('with-shared','with-shared-libraries')+'=1'
169      else:
170        head, tail = name.split('=', 1)
171        name = head.replace('with-shared','with-shared-libraries')+'='+tail
172
173    if name.find('with-index-size=') >=0:
174      head,tail = name.split('=',1)
175      if int(tail)==32:
176        name = '--with-64-bit-indices=0'
177      elif int(tail)==64:
178        name = '--with-64-bit-indices=1'
179      else:
180        raise RuntimeError('--with-index-size= must be 32 or 64')
181
182    if name.find('with-precision=') >=0:
183      head,tail = name.split('=',1)
184      if tail.find('quad')>=0:
185        name='--with-precision=__float128'
186
187    for i,j in simplereplacements.items():
188      if name.find(i+'=') >= 0:
189        name = name.replace(i+'=',j+'=')
190      elif name.find('with-'+i.lower()+'=') >= 0:
191        name = name.replace(i.lower()+'=',j.lower()+'=')
192
193    # restore 'sys.argv[l]' from the intermediate var 'name'
194    sys.argv[l] = name
195
196def chkwincompilerusinglink():
197  for arg in sys.argv:
198    if (arg.find('win32fe') >= 0 and (arg.find('f90') >=0 or arg.find('ifort') >=0 or arg.find('icl') >=0)):
199      return 1
200  return 0
201
202def chkdosfiles():
203  # cygwin - but not a hg clone - so check one of files in bin dir
204  if b"\r\n" in open(os.path.join('lib','petsc','bin','petscmpiexec'),"rb").read():
205    print('===============================================================================')
206    print(' *** Scripts are in DOS mode. Was winzip used to extract petsc sources?    ****')
207    print(' *** Please restart with a fresh tarball and use "tar -xzf petsc.tar.gz"   ****')
208    print('===============================================================================')
209    sys.exit(3)
210  return
211
212def chkcygwinlink():
213  if os.path.exists('/usr/bin/cygcheck.exe') and os.path.exists('/usr/bin/link.exe') and chkwincompilerusinglink():
214      if '--ignore-cygwin-link' in sys.argv: return 0
215      print('===============================================================================')
216      print(' *** Cygwin /usr/bin/link detected! Compiles with Intel icl/ifort can break!  **')
217      print(' *** To workaround do: "mv /usr/bin/link.exe /usr/bin/link-cygwin.exe"     **')
218      print(' *** Or to ignore this check, use configure option: --ignore-cygwin-link. But compiles can fail. **')
219      print('===============================================================================')
220      sys.exit(3)
221  return 0
222
223def chkbrokencygwin():
224  if os.path.exists('/usr/bin/cygcheck.exe'):
225    buf = os.popen('/usr/bin/cygcheck.exe -c cygwin').read()
226    if buf.find('1.5.11-1') > -1:
227      print('===============================================================================')
228      print(' *** cygwin-1.5.11-1 detected. ./configure fails with this version ***')
229      print(' *** Please upgrade to cygwin-1.5.12-1 or newer version. This can  ***')
230      print(' *** be done by running cygwin-setup, selecting "next" all the way.***')
231      print('===============================================================================')
232      sys.exit(3)
233  return 0
234
235def chkusingwindowspython():
236  if sys.platform == 'win32':
237    print('===============================================================================')
238    print(' *** Windows python detected. Please rerun ./configure with cygwin-python. ***')
239    print('===============================================================================')
240    sys.exit(3)
241  return 0
242
243def chkcygwinpython():
244  if sys.platform == 'cygwin' :
245    import platform
246    import re
247    r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
248    m=r.match(platform.release())
249    major=int(m.group(1))
250    minor=int(m.group(2))
251    subminor=int(m.group(3))
252    if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor < 34)):
253      sys.argv.append('--useThreads=0')
254      extraLogs.append('''\
255===============================================================================
256** Cygwin version is older than 1.7.34. Python threads do not work correctly. ***
257** Disabling thread usage for this run of ./configure *******
258===============================================================================''')
259  return 0
260
261def chkcygwinwindowscompilers():
262  '''Adds win32fe for Microsoft/Intel compilers'''
263  if os.path.exists('/usr/bin/cygcheck.exe'):
264    for l in range(1,len(sys.argv)):
265      option = sys.argv[l]
266      for i in ['cl','icl','ifort']:
267        if option.startswith(i):
268          sys.argv[l] = 'win32fe '+option
269          break
270  return 0
271
272def chkrhl9():
273  if os.path.exists('/etc/redhat-release'):
274    try:
275      file = open('/etc/redhat-release','r')
276      buf = file.read()
277      file.close()
278    except:
279      # can't read file - assume dangerous RHL9
280      buf = 'Shrike'
281    if buf.find('Shrike') > -1:
282      sys.argv.append('--useThreads=0')
283      extraLogs.append('''\
284==============================================================================
285   *** RHL9 detected. Threads do not work correctly with this distribution ***
286   ****** Disabling thread usage for this run of ./configure *********
287===============================================================================''')
288  return 0
289
290def chktmpnoexec():
291  if not hasattr(os,'ST_NOEXEC'): return # novermin
292  if 'TMPDIR' in os.environ: tmpDir = os.environ['TMPDIR']
293  else: tmpDir = '/tmp'
294  if os.statvfs(tmpDir).f_flag & os.ST_NOEXEC: # novermin
295    if os.statvfs(os.path.abspath('.')).f_flag & os.ST_NOEXEC: # novermin
296      print('************************************************************************')
297      print('* TMPDIR '+tmpDir+' has noexec attribute. Same with '+os.path.abspath('.')+' where petsc is built.')
298      print('* Suggest building PETSc in a location without this restriction!')
299      print('* Alternatively, set env variable TMPDIR to a location that is not restricted to run binaries.')
300      print('************************************************************************')
301      sys.exit(4)
302    else:
303      newTmp = os.path.abspath('tmp-petsc')
304      print('************************************************************************')
305      print('* TMPDIR '+tmpDir+' has noexec attribute. Using '+newTmp+' instead.')
306      print('************************************************************************')
307      if not os.path.isdir(newTmp): os.mkdir(os.path.abspath(newTmp))
308      os.environ['TMPDIR'] = newTmp
309  return
310
311def check_cray_modules():
312  import script
313  '''For Cray systems check if the cc, CC, ftn compiler suite modules have been set'''
314  cray = os.getenv('CRAY_SITE_LIST_DIR')
315  if not cray: return
316  cray = os.getenv('CRAYPE_DIR')
317  if not cray:
318   print('************************************************************************')
319   print('* You are on a Cray system but no programming environments have been loaded')
320   print('* Perhaps you need:')
321   print('*       module load intel ; module load PrgEnv-intel')
322   print('*   or  module load PrgEnv-cray')
323   print('*   or  module load PrgEnv-gnu')
324   print('* See https://petsc.org/release/install/install/#installing-on-large-scale-doe-systems')
325   print('************************************************************************')
326   sys.exit(4)
327
328def check_broken_configure_log_links():
329  '''Sometime symlinks can get broken if the original files are deleted. Delete such broken links'''
330  import os
331  for logfile in ['configure.log','configure.log.bkp']:
332    if os.path.islink(logfile) and not os.path.isfile(logfile): os.remove(logfile)
333  return
334
335def move_configure_log(framework):
336  '''Move configure.log to PETSC_ARCH/lib/petsc/conf - and update configure.log.bkp in both locations appropriately'''
337  global petsc_arch
338
339  if hasattr(framework,'arch'): petsc_arch = framework.arch
340  if hasattr(framework,'logName'): curr_file = framework.logName
341  else: curr_file = 'configure.log'
342
343  if petsc_arch:
344    import shutil
345    import os
346
347    # Just in case - confdir is not created
348    lib_dir = os.path.join(petsc_arch,'lib')
349    petsc_dir = os.path.join(petsc_arch,'lib','petsc')
350    conf_dir = os.path.join(petsc_arch,'lib','petsc','conf')
351    if not os.path.isdir(petsc_arch): os.mkdir(petsc_arch)
352    if not os.path.isdir(lib_dir): os.mkdir(lib_dir)
353    if not os.path.isdir(petsc_dir): os.mkdir(petsc_dir)
354    if not os.path.isdir(conf_dir): os.mkdir(conf_dir)
355
356    curr_bkp  = curr_file + '.bkp'
357    new_file  = os.path.join(conf_dir,curr_file)
358    new_bkp   = new_file + '.bkp'
359
360    # Keep backup in $PETSC_ARCH/lib/petsc/conf location
361    if os.path.isfile(new_bkp): os.remove(new_bkp)
362    if os.path.isfile(new_file): os.rename(new_file,new_bkp)
363    if os.path.isfile(curr_file):
364      shutil.copyfile(curr_file,new_file)
365      os.remove(curr_file)
366    if os.path.isfile(new_file): os.symlink(new_file,curr_file)
367    # If the old bkp is using the same PETSC_ARCH/lib/petsc/conf - then update bkp link
368    if os.path.realpath(curr_bkp) == os.path.realpath(new_file):
369      if os.path.isfile(curr_bkp): os.remove(curr_bkp)
370      if os.path.isfile(new_bkp): os.symlink(new_bkp,curr_bkp)
371  return
372
373def print_final_timestamp(framework):
374  import time
375  framework.log.write(('='*80)+'\n')
376  framework.log.write('Finishing configure run at '+time.strftime('%a, %d %b %Y %H:%M:%S %z')+'\n')
377  framework.log.write(('='*80)+'\n')
378  return
379
380def petsc_configure(configure_options):
381  petscdir = os.getcwd()
382  try:
383    sys.path.append(os.path.join(petscdir,'lib','petsc','bin'))
384    import petscnagupgrade
385    file     = os.path.join(petscdir,'.nagged')
386    if not petscnagupgrade.naggedtoday(file):
387      petscnagupgrade.currentversion(petscdir)
388  except:
389    pass
390
391  try:
392    # Command line arguments take precedence (but don't destroy argv[0])
393    sys.argv = sys.argv[:1] + configure_options + sys.argv[1:]
394    check_for_option_mistakes(sys.argv)
395    check_for_option_changed(sys.argv)
396  except (TypeError, ValueError) as e:
397    emsg = str(e)
398    if not emsg.endswith('\n'): emsg = emsg+'\n'
399    banner_line = banner_length*'*'
400    msg = '\n'.join([
401      banner_line,
402      'ERROR in COMMAND LINE ARGUMENT to ./configure'.center(banner_length),
403      banner_length*'-',
404      emsg,
405      banner_line,
406      '' # to add an additional newline at the end
407    ])
408    sys.exit(msg)
409  # check PETSC_ARCH
410  check_for_unsupported_combinations(sys.argv)
411  check_petsc_arch(sys.argv)
412  check_broken_configure_log_links()
413
414  #rename '--enable-' to '--with-'
415  chkenable()
416  # support a few standard configure option types
417  chksynonyms()
418  # Check for broken cygwin
419  chkbrokencygwin()
420  # Disable threads on RHL9
421  chkrhl9()
422  # Make sure cygwin-python is used on windows
423  chkusingwindowspython()
424  # Threads don't work for cygwin & python...
425  chkcygwinpython()
426  chkcygwinlink()
427  chkdosfiles()
428  chkcygwinwindowscompilers()
429  chktmpnoexec()
430
431  for l in range(1,len(sys.argv)):
432    if sys.argv[l].startswith('--with-fc=') and sys.argv[l].endswith('nagfor'):
433      # need a way to save this value and later CC so that petscnagfor may use them
434      name = sys.argv[l].split('=')[1]
435      sys.argv[l] = '--with-fc='+os.path.join(os.path.abspath('.'),'lib','petsc','bin','petscnagfor')
436      break
437
438
439  # Should be run from the toplevel
440  configDir = os.path.abspath('config')
441  bsDir     = os.path.join(configDir, 'BuildSystem')
442  if not os.path.isdir(configDir):
443    raise RuntimeError('Run configure from $PETSC_DIR, not '+os.path.abspath('.'))
444  sys.path.insert(0, bsDir)
445  sys.path.insert(0, configDir)
446  import config.base
447  import config.framework
448  import pickle
449  import traceback
450
451  # Check Cray without modules
452  check_cray_modules()
453
454  tbo = None
455  framework = None
456  try:
457    framework = config.framework.Framework(['--configModules=PETSc.Configure','--optionsModule=config.compilerOptions']+sys.argv[1:], loadArgDB = 0)
458    framework.setup()
459    framework.logPrintBox('Configuring PETSc to compile on your system')
460    framework.logPrint('\n'.join(extraLogs))
461    framework.configure(out = sys.stdout)
462    framework.storeSubstitutions(framework.argDB)
463    framework.argDB['configureCache'] = pickle.dumps(framework)
464    framework.printSummary()
465    framework.argDB.save(force = True)
466    framework.logClear()
467    print_final_timestamp(framework)
468    framework.closeLog()
469    try:
470      move_configure_log(framework)
471    except:
472      # perhaps print an error about unable to shuffle logs?
473      pass
474    return 0
475  except (RuntimeError, config.base.ConfigureSetupError) as e:
476    tbo = sys.exc_info()[2]
477    emsg = str(e)
478    if not emsg.endswith('\n'): emsg = emsg+'\n'
479    msg ='*******************************************************************************\n'\
480    +'         UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for details):\n' \
481    +'-------------------------------------------------------------------------------\n'  \
482    +emsg+'*******************************************************************************\n'
483    se = ''
484  except (TypeError, ValueError) as e:
485    # this exception is automatically deleted by Python so we need to save it to print below
486    tbo = sys.exc_info()[2]
487    emsg = str(e)
488    if not emsg.endswith('\n'): emsg = emsg+'\n'
489    msg ='*******************************************************************************\n'\
490    +'    TypeError or ValueError possibly related to ERROR in COMMAND LINE ARGUMENT while running ./configure \n' \
491    +'-------------------------------------------------------------------------------\n'  \
492    +emsg+'*******************************************************************************\n'
493    se = ''
494  except ImportError as e :
495    # this exception is automatically deleted by Python so we need to save it to print below
496    tbo = sys.exc_info()[2]
497    emsg = str(e)
498    if not emsg.endswith('\n'): emsg = emsg+'\n'
499    msg ='*******************************************************************************\n'\
500    +'                     ImportError while running ./configure \n' \
501    +'-------------------------------------------------------------------------------\n'  \
502    +emsg+'*******************************************************************************\n'
503    se = ''
504  except OSError as e :
505    tbo = sys.exc_info()[2]
506    emsg = str(e)
507    if not emsg.endswith('\n'): emsg = emsg+'\n'
508    msg ='*******************************************************************************\n'\
509    +'                    OSError while running ./configure \n' \
510    +'-------------------------------------------------------------------------------\n'  \
511    +emsg+'*******************************************************************************\n'
512    se = ''
513  except SystemExit as e:
514    tbo = sys.exc_info()[2]
515    if e.code is None or e.code == 0:
516      return
517    if e.code == 10:
518      sys.exit(10)
519    msg ='*******************************************************************************\n'\
520    +'         CONFIGURATION FAILURE  (Please send configure.log to petsc-maint@mcs.anl.gov)\n' \
521    +'*******************************************************************************\n'
522    se  = str(e)
523  except Exception as e:
524    tbo = sys.exc_info()[2]
525    msg ='*******************************************************************************\n'\
526    +'        CONFIGURATION CRASH  (Please send configure.log to petsc-maint@mcs.anl.gov)\n' \
527    +'*******************************************************************************\n'
528    se  = str(e)
529
530  print('\n'+msg)
531  if not framework is None:
532    framework.logClear()
533    if hasattr(framework, 'log'):
534      try:
535        if hasattr(framework,'compilerDefines'):
536          framework.log.write('**** Configure header '+framework.compilerDefines+' ****\n')
537          framework.outputHeader(framework.log)
538        if hasattr(framework,'compilerFixes'):
539          framework.log.write('**** C specific Configure header '+framework.compilerFixes+' ****\n')
540          framework.outputCHeader(framework.log)
541      except Exception as e:
542        framework.log.write('Problem writing headers to log: '+str(e))
543      try:
544        framework.log.write(msg+se)
545        traceback.print_tb(tbo, file = framework.log)
546        print_final_timestamp(framework)
547        if hasattr(framework,'log'): framework.log.close()
548        move_configure_log(framework)
549      except Exception as e:
550        print('Error printing error message from exception or printing the traceback:'+str(e))
551        traceback.print_tb(sys.exc_info()[2])
552      sys.exit(1)
553    else:
554      print(se)
555      traceback.print_tb(tbo)
556  else:
557    print(se)
558    traceback.print_tb(tbo)
559  if hasattr(framework,'log'): framework.log.close()
560
561if __name__ == '__main__':
562  petsc_configure([])
563