xref: /petsc/config/BuildSystem/config/utilities/fortranCommandLine.py (revision e1e80dc898c3d5fa028e909e947004e745fb92d9)
1#!/usr/bin/env python
2from __future__ import generators
3import user
4import config.base
5
6class Configure(config.base.Configure):
7  def __init__(self, framework):
8    config.base.Configure.__init__(self, framework)
9    self.headerPrefix = ''
10    self.substPrefix  = ''
11    return
12
13  def __str__(self):
14    return ''
15
16  def setupHelp(self, help):
17    import nargs
18    return
19
20  def setupDependencies(self, framework):
21    config.base.Configure.setupDependencies(self, framework)
22    self.compilers = self.framework.require('config.compilers', self)
23    self.functions = self.framework.require('config.functions', self)
24    self.libraries     = framework.require('config.libraries',  self)
25    return
26
27  def configureFortranCommandLine(self):
28    '''Check for the mechanism to retrieve command line arguments in Fortran'''
29
30    # These are for when the routines are called from Fortran
31    if hasattr(self.compilers, 'FC'):
32      self.libraries.saveLog()
33      self.libraries.pushLanguage('FC')
34      if self.libraries.check('','', call = '      integer i\n      character*(80) arg\n       i = command_argument_count()\n       call get_command_argument(i,arg)'):
35        self.addDefine('HAVE_FORTRAN_GET_COMMAND_ARGUMENT',1)
36      elif self.libraries.check('','', call = '      integer i\n      character*(80) arg\n       call getarg(i,arg)'):
37        self.addDefine('HAVE_FORTRAN_GETARG',1)
38      self.libraries.popLanguage()
39      self.logWrite(self.libraries.restoreLog())
40
41    # These are for when the routines are called fraom C
42    # We should unify the naming conventions of these.
43    self.pushLanguage('C')
44    self.libraries.saveLog()
45    self.functions.saveLog()
46    # This one is not currently used in PETSc source code
47    if self.libraries.check('','get_command_argument', otherLibs = self.compilers.flibs, fortranMangle = 1):
48      self.addDefine('HAVE_GET_COMMAND_ARGUMENT',1)
49    if self.libraries.check('','getarg', otherLibs = self.compilers.flibs, fortranMangle = 1):
50      self.addDefine('HAVE_GETARG',1)
51    if self.functions.check('ipxfargc_', libraries = self.compilers.flibs):
52      self.addDefine('HAVE_PXFGETARG_NEW',1)
53    elif self.functions.check('f90_unix_MP_iargc', libraries = self.compilers.flibs):
54      self.addDefine('HAVE_NAGF90',1)
55    elif self.functions.check('PXFGETARG', libraries = self.compilers.flibs):
56      self.addDefine('HAVE_PXFGETARG',1)
57    elif self.functions.check('iargc_', libraries = self.compilers.flibs):
58      self.addDefine('HAVE_BGL_IARGC',1)
59    elif self.functions.check('GETARG@16', libraries = self.compilers.flibs):
60      self.addDefine('USE_NARGS',1)
61      self.addDefine('HAVE_IARG_COUNT_PROGNAME',1)
62    elif self.functions.check('_gfortran_iargc', libraries = self.compilers.flibs):
63      self.addDefine('HAVE_GFORTRAN_IARGC',1)
64    self.popLanguage()
65    self.logWrite(self.libraries.restoreLog())
66    self.logWrite(self.functions.restoreLog())
67    return
68
69  def configure(self):
70    self.executeTest(self.configureFortranCommandLine)
71    return
72