xref: /petsc/config/configure.py (revision f3fe499b4cc4d64bf04aa4f5e4963dcc4eb56541)
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[0] == 2 or not sys.version_info[1] >= 3:
15  print '*** You must have Python2 version 2.3 or higher to run ./configure        *****'
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
24if sys.platform == 'win32':
25  print '**** Windows python detected. ****'
26  print sys.version,'on',sys.platform
27  print ''
28  print '** You must use cygwin python, but not windows python with PETSc configure. ***'
29  sys.exit(4)
30
31def check_for_option_mistakes(opts):
32  for opt in opts[1:]:
33    name = opt.split('=')[0]
34    if name.find('_') >= 0:
35      exception = False
36      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']:
37        if name.find(exc) >= 0:
38          exception = True
39      if not exception:
40        raise ValueError('The option '+name+' should probably be '+name.replace('_', '-'));
41    if opt.find('=') >=0:
42      optval = opt.split('=')[1]
43      if optval == 'ifneeded':
44        raise ValueError('The option '+opt+' should probably be '+opt.replace('ifneeded', '1'));
45  return
46
47def check_petsc_arch(opts):
48  # If PETSC_ARCH not specified - use script name (if not configure.py)
49  global petsc_arch
50  found = 0
51  for name in opts:
52    if name.find('PETSC_ARCH=') >= 0:
53      petsc_arch=name.split('=')[1]
54      found = 1
55      break
56  # If not yet specified - use the filename of script
57  if not found:
58      filename = os.path.basename(sys.argv[0])
59      if not filename.startswith('configure') and not filename.startswith('reconfigure'):
60        petsc_arch=os.path.splitext(os.path.basename(sys.argv[0]))[0]
61        useName = 'PETSC_ARCH='+petsc_arch
62        opts.append(useName)
63  return 0
64
65def chkwinf90():
66  for arg in sys.argv:
67    if (arg.find('win32fe') >= 0 and (arg.find('f90') >=0 or arg.find('ifort') >=0)):
68      return 1
69  return 0
70
71def chkcygwinlink():
72  if os.path.exists('/usr/bin/cygcheck.exe') and os.path.exists('/usr/bin/link.exe') and chkwinf90():
73      if '--ignore-cygwin-link' in sys.argv: return 0
74      print '==============================================================================='
75      print ' *** Cygwin /usr/bin/link detected! Compiles with CVF/Intel f90 can break!  **'
76      print ' *** To workarround do: "mv /usr/bin/link.exe /usr/bin/link-cygwin.exe"     **'
77      print ' *** Or to ignore this check, use configure option: --ignore-cygwin-link    **'
78      print '==============================================================================='
79      sys.exit(3)
80  return 0
81
82def chkbrokencygwin():
83  if os.path.exists('/usr/bin/cygcheck.exe'):
84    buf = os.popen('/usr/bin/cygcheck.exe -c cygwin').read()
85    if buf.find('1.5.11-1') > -1:
86      print '==============================================================================='
87      print ' *** cygwin-1.5.11-1 detected. ./configure fails with this version ***'
88      print ' *** Please upgrade to cygwin-1.5.12-1 or newer version. This can  ***'
89      print ' *** be done by running cygwin-setup, selecting "next" all the way.***'
90      print '==============================================================================='
91      sys.exit(3)
92  return 0
93
94def chkusingwindowspython():
95  if os.path.exists('/usr/bin/cygcheck.exe') and sys.platform != 'cygwin':
96    print '==============================================================================='
97    print ' *** Non-cygwin python detected. Please rerun ./configure **'
98    print ' *** with cygwin-python. ***'
99    print '==============================================================================='
100    sys.exit(3)
101  return 0
102
103def chkcygwinpythonver():
104  if os.path.exists('/usr/bin/cygcheck.exe'):
105    buf = os.popen('/usr/bin/cygcheck.exe -c python').read()
106    if (buf.find('2.4') > -1) or (buf.find('2.5') > -1) or (buf.find('2.6') > -1):
107      sys.argv.append('--useThreads=0')
108      extraLogs.append('''\
109===============================================================================
110** Cygwin-python-2.4/2.5/2.6 detected. Threads do not work correctly with this
111** version. Disabling thread usage for this run of ./configure *******
112===============================================================================''')
113  return 0
114
115def chkrhl9():
116  if os.path.exists('/etc/redhat-release'):
117    try:
118      file = open('/etc/redhat-release','r')
119      buf = file.read()
120      file.close()
121    except:
122      # can't read file - assume dangerous RHL9
123      buf = 'Shrike'
124    if buf.find('Shrike') > -1:
125      sys.argv.append('--useThreads=0')
126      extraLogs.append('''\
127==============================================================================
128   *** RHL9 detected. Threads do not work correctly with this distribution ***
129   ****** Disabling thread usage for this run of ./configure *********
130===============================================================================''')
131  return 0
132
133def check_broken_configure_log_links():
134  '''Sometime symlinks can get broken if the original files are deleted. Delete such broken links'''
135  import os
136  for logfile in ['configure.log','configure.log.bkp']:
137    if os.path.islink(logfile) and not os.path.isfile(logfile): os.remove(logfile)
138  return
139
140def move_configure_log(framework):
141  '''Move configure.log to PETSC_ARCH/conf - and update configure.log.bkp in both locations appropriately'''
142  global petsc_arch
143
144  if hasattr(framework,'arch'): petsc_arch = framework.arch
145  if hasattr(framework,'logName'): curr_file = framework.logName
146  else: curr_file = 'configure.log'
147
148  if petsc_arch:
149    import shutil
150    import os
151
152    # Just in case - confdir is not created
153    conf_dir = os.path.join(petsc_arch,'conf')
154    if not os.path.isdir(petsc_arch): os.mkdir(petsc_arch)
155    if not os.path.isdir(conf_dir): os.mkdir(conf_dir)
156
157    curr_bkp  = curr_file + '.bkp'
158    new_file  = os.path.join(conf_dir,curr_file)
159    new_bkp   = new_file + '.bkp'
160
161    # Keep backup in $PETSC_ARCH/conf location
162    if os.path.isfile(new_bkp): os.remove(new_bkp)
163    if os.path.isfile(new_file): os.rename(new_file,new_bkp)
164    if os.path.isfile(curr_file):
165      shutil.copyfile(curr_file,new_file)
166      os.remove(curr_file)
167    if os.path.isfile(new_file): os.symlink(new_file,curr_file)
168    # If the old bkp is using the same PETSC_ARCH/conf - then update bkp link
169    if os.path.realpath(curr_bkp) == os.path.realpath(new_file):
170      if os.path.isfile(curr_bkp): os.remove(curr_bkp)
171      if os.path.isfile(new_bkp): os.symlink(new_bkp,curr_bkp)
172  return
173
174def petsc_configure(configure_options):
175  print '==============================================================================='
176  print '             Configuring PETSc to compile on your system                       '
177  print '==============================================================================='
178
179  try:
180    # Command line arguments take precedence (but don't destroy argv[0])
181    sys.argv = sys.argv[:1] + configure_options + sys.argv[1:]
182    check_for_option_mistakes(sys.argv)
183  except (TypeError, ValueError), e:
184    emsg = str(e)
185    if not emsg.endswith('\n'): emsg = emsg+'\n'
186    msg ='*******************************************************************************\n'\
187    +'                ERROR in COMMAND LINE ARGUMENT to ./configure \n' \
188    +'-------------------------------------------------------------------------------\n'  \
189    +emsg+'*******************************************************************************\n'
190    sys.exit(msg)
191  # check PETSC_ARCH
192  check_petsc_arch(sys.argv)
193  check_broken_configure_log_links()
194
195  # support a few standard configure option types
196  for l in range(0,len(sys.argv)):
197    name = sys.argv[l]
198    if name.find('enable-') >= 0:
199      if name.find('=') == -1:
200        sys.argv[l] = name.replace('enable-','with-')+'=1'
201      else:
202        head, tail = name.split('=', 1)
203        sys.argv[l] = head.replace('enable-','with-')+'='+tail
204    if name.find('disable-') >= 0:
205      if name.find('=') == -1:
206        sys.argv[l] = name.replace('disable-','with-')+'=0'
207      else:
208        head, tail = name.split('=', 1)
209        if tail == '1': tail = '0'
210        sys.argv[l] = head.replace('disable-','with-')+'='+tail
211    if name.find('without-') >= 0:
212      if name.find('=') == -1:
213        sys.argv[l] = name.replace('without-','with-')+'=0'
214      else:
215        head, tail = name.split('=', 1)
216        if tail == '1': tail = '0'
217        sys.argv[l] = head.replace('without-','with-')+'='+tail
218
219  # Check for broken cygwin
220  chkbrokencygwin()
221  # Disable threads on RHL9
222  chkrhl9()
223  # Make sure cygwin-python is used on windows
224  chkusingwindowspython()
225  # Threads don't work for cygwin & python-2.4, 2.5 etc..
226  chkcygwinpythonver()
227  chkcygwinlink()
228
229  # Should be run from the toplevel
230  configDir = os.path.abspath('config')
231  bsDir     = os.path.join(configDir, 'BuildSystem')
232  if not os.path.isdir(configDir):
233    raise RuntimeError('Run configure from $PETSC_DIR, not '+os.path.abspath('.'))
234  if not os.path.isdir(bsDir):
235    print '==============================================================================='
236    print '''++ Could not locate BuildSystem in %s.''' % configDir
237    print '''++ Downloading it using "hg clone http://hg.mcs.anl.gov/petsc/BuildSystem %s"''' % bsDir
238    print '==============================================================================='
239    (status,output) = commands.getstatusoutput('hg clone http://petsc.cs.iit.edu/petsc/BuildSystem '+ bsDir)
240    if status:
241      if output.find('ommand not found') >= 0:
242        print '==============================================================================='
243        print '''** Unable to locate hg (Mercurial) to download BuildSystem; make sure hg is'''
244        print '''** in your path or manually copy BuildSystem to $PETSC_DIR/config/BuildSystem'''
245        print '''**  from a machine where you do have hg installed and can clone BuildSystem. '''
246        print '==============================================================================='
247      elif output.find('Cannot resolve host') >= 0:
248        print '==============================================================================='
249        print '''** Unable to download BuildSystem. You must be off the network.'''
250        print '''** Connect to the internet and run ./configure again.'''
251        print '==============================================================================='
252      else:
253        print '==============================================================================='
254        print '''** Unable to download BuildSystem. Please send this message to petsc-maint@mcs.anl.gov'''
255        print '==============================================================================='
256      print output
257      sys.exit(3)
258
259  sys.path.insert(0, bsDir)
260  sys.path.insert(0, configDir)
261  import config.base
262  import config.framework
263  import cPickle
264
265  framework = None
266  try:
267    framework = config.framework.Framework(['--configModules=PETSc.Configure','--optionsModule=PETSc.compilerOptions']+sys.argv[1:], loadArgDB = 0)
268    framework.setup()
269    framework.logPrint('\n'.join(extraLogs))
270    framework.configure(out = sys.stdout)
271    framework.storeSubstitutions(framework.argDB)
272    framework.argDB['configureCache'] = cPickle.dumps(framework)
273    import PETSc.packages
274    for i in framework.packages:
275      if hasattr(i,'postProcess'):
276        i.postProcess()
277    framework.printSummary()
278    framework.logClear()
279    framework.closeLog()
280    try:
281      move_configure_log(framework)
282    except:
283      # perhaps print an error about unable to shuffle logs?
284      pass
285    return 0
286  except (RuntimeError, config.base.ConfigureSetupError), e:
287    emsg = str(e)
288    if not emsg.endswith('\n'): emsg = emsg+'\n'
289    msg ='*******************************************************************************\n'\
290    +'         UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for details):\n' \
291    +'-------------------------------------------------------------------------------\n'  \
292    +emsg+'*******************************************************************************\n'
293    se = ''
294  except (TypeError, ValueError), e:
295    emsg = str(e)
296    if not emsg.endswith('\n'): emsg = emsg+'\n'
297    msg ='*******************************************************************************\n'\
298    +'                ERROR in COMMAND LINE ARGUMENT to ./configure \n' \
299    +'-------------------------------------------------------------------------------\n'  \
300    +emsg+'*******************************************************************************\n'
301    se = ''
302  except ImportError, e :
303    emsg = str(e)
304    if not emsg.endswith('\n'): emsg = emsg+'\n'
305    msg ='*******************************************************************************\n'\
306    +'                     UNABLE to FIND MODULE for ./configure \n' \
307    +'-------------------------------------------------------------------------------\n'  \
308    +emsg+'*******************************************************************************\n'
309    se = ''
310  except OSError, e :
311    emsg = str(e)
312    if not emsg.endswith('\n'): emsg = emsg+'\n'
313    msg ='*******************************************************************************\n'\
314    +'                    UNABLE to EXECUTE BINARIES for ./configure \n' \
315    +'-------------------------------------------------------------------------------\n'  \
316    +emsg+'*******************************************************************************\n'
317    se = ''
318  except SystemExit, e:
319    if e.code is None or e.code == 0:
320      return
321    msg ='*******************************************************************************\n'\
322    +'         CONFIGURATION FAILURE  (Please send configure.log to petsc-maint@mcs.anl.gov)\n' \
323    +'*******************************************************************************\n'
324    se  = str(e)
325  except Exception, e:
326    msg ='*******************************************************************************\n'\
327    +'        CONFIGURATION CRASH  (Please send configure.log to petsc-maint@mcs.anl.gov)\n' \
328    +'*******************************************************************************\n'
329    se  = str(e)
330
331  print msg
332  if not framework is None:
333    framework.logClear()
334    if hasattr(framework, 'log'):
335      import traceback
336      try:
337        framework.log.write(msg+se)
338        traceback.print_tb(sys.exc_info()[2], file = framework.log)
339        framework.log.close()
340        move_configure_log(framework)
341      except:
342        pass
343      sys.exit(1)
344  else:
345    print se
346    import traceback
347    traceback.print_tb(sys.exc_info()[2])
348
349if __name__ == '__main__':
350  petsc_configure([])
351
352