xref: /petsc/config/BuildSystem/config/utilities/fortranCommandLine.py (revision 4211eb483909a9a6403702befc20456a00a91081)
1#!/usr/bin/env python
2from __future__ import generators
3import config.base
4
5class Configure(config.base.Configure):
6  def __init__(self, framework):
7    config.base.Configure.__init__(self, framework)
8    self.headerPrefix = ''
9    self.substPrefix  = ''
10    return
11
12  def __str__(self):
13    return ''
14
15  def setupHelp(self, help):
16    import nargs
17    return
18
19  def setupDependencies(self, framework):
20    config.base.Configure.setupDependencies(self, framework)
21    self.compilers = self.framework.require('config.compilers', self)
22    self.functions = self.framework.require('config.functions', self)
23    self.libraries     = framework.require('config.libraries',  self)
24    return
25
26  def configureFortranCommandLine(self):
27    '''Check for the mechanism to retrieve command line arguments in Fortran'''
28
29    # These are for when the routines are called from Fortran
30    if hasattr(self.compilers, 'FC'):
31      self.libraries.saveLog()
32      self.libraries.pushLanguage('FC')
33      if self.libraries.check('','', call = '      integer i\n      character*(80) arg\n       i = command_argument_count()\n       call get_command_argument(i,arg)'):
34        self.addDefine('HAVE_FORTRAN_GET_COMMAND_ARGUMENT',1)
35      elif self.libraries.check('','', call = '      integer i\n      character*(80) arg\n       call getarg(i,arg)'):
36        self.addDefine('HAVE_FORTRAN_GETARG',1)
37      self.libraries.popLanguage()
38      self.logWrite(self.libraries.restoreLog())
39
40    # These are for when the routines are called fraom C
41    # We should unify the naming conventions of these.
42    self.pushLanguage('C')
43    self.libraries.saveLog()
44    self.functions.saveLog()
45    # This one is not currently used in PETSc source code
46    if self.libraries.check('','get_command_argument', otherLibs = self.compilers.flibs, fortranMangle = 1):
47      self.addDefine('HAVE_GET_COMMAND_ARGUMENT',1)
48    if self.libraries.check('','getarg', otherLibs = self.compilers.flibs, fortranMangle = 1):
49      self.addDefine('HAVE_GETARG',1)
50    if self.functions.check('ipxfargc_', libraries = self.compilers.flibs):
51      self.addDefine('HAVE_PXFGETARG_NEW',1)
52    elif self.functions.check('f90_unix_MP_iargc', libraries = self.compilers.flibs):
53      self.addDefine('HAVE_NAGF90',1)
54    elif self.functions.check('PXFGETARG', libraries = self.compilers.flibs):
55      self.addDefine('HAVE_PXFGETARG',1)
56    elif self.functions.check('iargc_', libraries = self.compilers.flibs):
57      self.addDefine('HAVE_BGL_IARGC',1)
58    elif self.functions.check('GETARG@16', libraries = self.compilers.flibs):
59      self.addDefine('USE_NARGS',1)
60      self.addDefine('HAVE_IARG_COUNT_PROGNAME',1)
61    else:
62      self.functions.check('_gfortran_iargc', libraries = self.compilers.flibs)
63    self.popLanguage()
64    self.logWrite(self.libraries.restoreLog())
65    self.logWrite(self.functions.restoreLog())
66    return
67
68  def configure(self):
69    self.executeTest(self.configureFortranCommandLine)
70    return
71