xref: /petsc/config/PETSc/options/arch.py (revision 380bf85a10dfabaabe769bf102c98e4f6c8eb43e) 
1import config.base
2import os
3import re
4
5class Configure(config.base.Configure):
6  def __init__(self, framework):
7    config.base.Configure.__init__(self, framework)
8    self.headerPrefix = 'PETSC'
9    self.substPrefix  = 'PETSC'
10    return
11
12  def __str1__(self):
13    if not hasattr(self, 'arch'):
14      return ''
15    desc = ['PETSc:']
16    desc.append('  PETSC_ARCH: '+str(self.arch))
17    return '\n'.join(desc)+'\n'
18
19  def setupHelp(self, help):
20    import nargs
21    help.addArgument('PETSc', '-PETSC_ARCH=<string>',     nargs.Arg(None, None, 'The configuration name'))
22    help.addArgument('PETSc', '-with-petsc-arch=<string>',nargs.Arg(None, None, 'The configuration name'))
23    return
24
25  def setNativeArchitecture(self):
26    import sys
27    arch = 'arch-' + sys.platform.replace('cygwin','mswin')
28    # use opt/debug, c/c++ tags.s
29    arch+= '-'+self.framework.argDB['with-clanguage'].lower().replace('+','x')
30    if self.framework.argDB['with-debugging']:
31      arch += '-debug'
32    else:
33      arch += '-opt'
34    self.nativeArch = arch
35    return
36
37  def configureArchitecture(self):
38    '''Checks PETSC_ARCH and sets if not set'''
39    # Warn if PETSC_ARCH doesnt match env variable
40    if 'PETSC_ARCH' in self.framework.argDB and 'PETSC_ARCH' in os.environ and self.framework.argDB['PETSC_ARCH'] != os.environ['PETSC_ARCH']:
41      self.logPrintBox('''\
42Warning: PETSC_ARCH from environment does not match command-line or name of script.
43Warning: Using from command-line or name of script: %s, ignoring environment: %s''' % (str(self.framework.argDB['PETSC_ARCH']), str(os.environ['PETSC_ARCH'])))
44      os.environ['PETSC_ARCH'] = self.framework.argDB['PETSC_ARCH']
45    if 'with-petsc-arch' in self.framework.argDB:
46      self.arch = self.framework.argDB['with-petsc-arch']
47      msg = 'option -with-petsc-arch='+str(self.arch)
48    elif 'PETSC_ARCH' in self.framework.argDB:
49      self.arch = self.framework.argDB['PETSC_ARCH']
50      msg = 'option PETSC_ARCH='+str(self.arch)
51    elif 'PETSC_ARCH' in os.environ:
52      self.arch = os.environ['PETSC_ARCH']
53      msg = 'environment variable PETSC_ARCH='+str(self.arch)
54    else:
55      self.arch = self.nativeArch
56    if self.arch.find('/') >= 0 or self.arch.find('\\') >= 0:
57      raise RuntimeError('PETSC_ARCH should not contain path characters, but you have specified with '+msg)
58    if self.arch.startswith('-'):
59      raise RuntimeError('PETSC_ARCH should not start with "-", but you have specified with '+msg)
60    if self.arch.startswith('.'):
61      raise RuntimeError('PETSC_ARCH should not start with ".", but you have specified with '+msg)
62    if not len(self.arch):
63      raise RuntimeError('PETSC_ARCH cannot be empty string. Use a valid string or do not set one. Currently set with '+msg)
64    self.archBase = re.sub(r'^(\w+)[-_]?.*$', r'\1', self.arch)
65    return
66
67  def configure(self):
68    self.executeTest(self.setNativeArchitecture)
69    self.executeTest(self.configureArchitecture)
70    # required by top-level configure.py
71    self.framework.arch = self.arch
72    return
73