1from __future__ import generators 2import config.base 3 4class Configure(config.base.Configure): 5 def __init__(self, framework): 6 config.base.Configure.__init__(self, framework) 7 self.headerPrefix = '' 8 self.substPrefix = '' 9 return 10 11 def __str1__(self): 12 if not hasattr(self, 'clanguage'): 13 return '' 14 desc = ['PETSc:'] 15 desc.append(' Language used to compile PETSc: ' + self.clanguage) 16 desc.append(' Language used to compile PetscDevice: ' + self.devicelanguage) 17 return '\n'.join(desc)+'\n' 18 19 def setupHelp(self, help): 20 import nargs 21 help.addArgument('PETSc', '-with-clanguage=<C or C++>', nargs.Arg(None, 'C', 'Specify C (recommended) or C++ to compile PETSc. You can use C++ in either case.')) 22 help.addArgument('PETSc', '-with-devicelanguage=<C or C++>', nargs.Arg(None, None, 'Specify C or C++ to compile PetscDevice. You cannot use C if you either use --with-clanguage=C++ or you are using devices such as NVIDIA GPUs. You cannot use C++ if you use --with-cxx=0.')) 23 return 24 25 def setupDependencies(self, framework): 26 config.base.Configure.setupDependencies(self, framework) 27 return 28 29 def configureCLanguage(self): 30 '''Choose whether to compile the PETSc library using a C or C++ compiler''' 31 self.clanguage = self.framework.argDB['with-clanguage'].upper().replace('+','x').replace('X','x') 32 if not self.clanguage in ['C', 'Cxx']: 33 raise RuntimeError('Invalid C language specified: '+str(self.clanguage)) 34 if self.clanguage == 'Cxx': 35 self.logPrintBox('WARNING -with-clanguage=C++ is a developer feature and is *not* required for regular usage of PETSc either from C or C++') 36 self.logPrint('C language is '+str(self.clanguage)) 37 self.addDefine('CLANGUAGE_'+self.clanguage.upper(),'1') 38 self.addMakeMacro('CLANGUAGE',self.clanguage.upper()) 39 40 def configureDeviceLanguage(self): 41 '''Choose whether to compile the PetscDevice code using a C or C++ compiler''' 42 if 'with-devicelanguage' in self.argDB: 43 self.devicelanguage = self.framework.argDB['with-devicelanguage'].upper().replace('+','x').replace('X','x') 44 if not self.devicelanguage in ['C', 'Cxx']: 45 raise RuntimeError('Invalid PetscDevice language specified: '+str(self.devicelanguage)) 46 if self.clanguage == 'Cxx' and self.devicelanguage == 'C': 47 raise RuntimeError('Cannot use both --with-clanguage=C++ and --with-devicelanguage=C') 48 self.logPrint('PetscDevice language is '+str(self.devicelanguage)) 49 self.addDefine('DEVICELANGUAGE_'+self.devicelanguage.upper(),'1') 50 self.addMakeMacro('DEVICELANGUAGE',self.devicelanguage.upper()) 51 else: 52 self.logPrint('PetscDevice language will be determined once all package dependencies have been configured') 53 self.devicelanguage = '' 54 55 def configure(self): 56 self.executeTest(self.configureCLanguage) 57 self.executeTest(self.configureDeviceLanguage) 58 return 59