xref: /petsc/config/PETSc/options/arch.py (revision fd874b269da30ea8d8393c73c8faa4ee8a86bdb0) 
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 configureArchitecture(self):
26    '''Checks PETSC_ARCH and sets if not set'''
27
28
29    # Warn if PETSC_ARCH doesnt match env variable
30    if 'PETSC_ARCH' in self.framework.argDB and 'PETSC_ARCH' in os.environ and self.framework.argDB['PETSC_ARCH'] != os.environ['PETSC_ARCH']:
31      self.logPrintBox('''\
32Warning: PETSC_ARCH from environment does not match command-line or name of script.
33Warning: Using from command-line or name of script: %s, ignoring environment: %s''' % (str(self.framework.argDB['PETSC_ARCH']), str(os.environ['PETSC_ARCH'])))
34    if 'with-petsc-arch' in self.framework.argDB:
35      self.arch = self.framework.argDB['with-petsc-arch']
36    elif 'PETSC_ARCH' in self.framework.argDB:
37      self.arch = self.framework.argDB['PETSC_ARCH']
38    else:
39      if 'PETSC_ARCH' in os.environ:
40        if not len(os.environ['PETSC_ARCH']):
41          raise RuntimeError('PETSC_ARCH is the empty string in your environment. It must either be a valid string, or not be defined in the environment at all.')
42        self.arch = os.environ['PETSC_ARCH']
43      else:
44        import sys
45        self.arch = 'arch-' + sys.platform.replace('cygwin','mswin')
46        # use opt/debug, c/c++ tags.s
47        self.arch+= '-'+self.framework.argDB['with-clanguage'].lower().replace('+','x')
48        if self.framework.argDB['with-debugging']:
49          self.arch += '-debug'
50        else:
51          self.arch += '-opt'
52    if self.arch.find('/') >= 0 or self.arch.find('\\') >= 0:
53      raise RuntimeError('PETSC_ARCH should not contain path characters, but you have specified: '+str(self.arch))
54    self.archBase = re.sub(r'^(\w+)[-_]?.*$', r'\1', self.arch)
55    self.addDefine('ARCH', '"'+self.arch+'"')
56    return
57
58  def configure(self):
59    self.executeTest(self.configureArchitecture)
60    # required by top-level configure.py
61    self.framework.arch = self.arch
62    return
63