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#!/usr/bin/env python
from __future__ import generators
import user
import config.base
class Configure(config.base.Configure):
def __init__(self, framework):
config.base.Configure.__init__(self, framework)
self.headerPrefix = ''
self.substPrefix = ''
self.useShared = 0
self.petsclibExt = ''
return
def __str1__(self):
if not hasattr(self, 'useShared'):
return ''
txt = ''
if self.useShared:
txt += ' shared libraries: enabled\n'
else:
txt += ' shared libraries: disabled\n'
if self.petsclibExt:
txt += ' shared library extension: ' + self.petsclibExt + '\n'
return txt
def setupHelp(self, help):
import nargs
help.addArgument('PETSc', '-with-shared-libraries=<bool>', nargs.ArgBool(None, 1, 'Make PETSc libraries shared -- libpetsc.so (Unix/Linux) or libpetsc.dylib (Mac)'))
help.addArgument('PETSc', '-with-serialize-functions=<bool>', nargs.ArgBool(None, 0, 'Allows function pointers to be serialized to binary files with string representations'))
help.addArgument('PETSc', '-shared-library-extension=<string>', nargs.Arg(None, None, 'Extension to name of shared library'))
return
def setupDependencies(self, framework):
config.base.Configure.setupDependencies(self, framework)
self.arch = framework.require('PETSc.options.arch', self)
self.debuggers = framework.require('config.utilities.debuggers', self)
self.setCompilers = framework.require('config.setCompilers', self)
return
def checkSharedDynamicPicOptions(self):
# uf user specified 'with-shared' or 'with-dynamic' - flag an error
if 'with-shared' in self.framework.argDB:
raise RuntimeError('Option "--with-shared" no longer exists. Use "--with-shared-libraries".')
if 'with-dynamic' in self.framework.argDB or 'with-dynamic-loading' in self.framework.argDB:
raise RuntimeError('Option "--with-dynamic" and "--with-dynamic-loading" no longer exist.')
# if user specifies inconsistant 'with-dynamic-loading with-shared-libraries with-pic' options - flag error
if self.framework.argDB['with-shared-libraries'] and not self.framework.argDB['with-pic'] and 'with-pic' in self.framework.clArgDB:
raise RuntimeError('If you use --with-shared-libraries you cannot disable --with-pic')
# default with-shared-libraries=1 => --with-pic=1
# Note: there is code in setCompilers.py that uses this as default.
if self.framework.argDB['with-shared-libraries'] and not self.framework.argDB['with-pic']: self.framework.argDB['with-pic'] = 1
return
def configureSharedLibraries(self):
'''Checks whether shared libraries should be used, for which you must
- Specify --with-shared-libraries
- Have found a working shared linker
Defines PETSC_USE_SHARED_LIBRARIES if they are used'''
import sys
self.useShared = self.framework.argDB['with-shared-libraries'] and not self.setCompilers.staticLibraries
if self.useShared:
#if config.setCompilers.Configure.isSolaris(self.log) and config.setCompilers.Configure.isGNU(self.framework.getCompiler(),self.log):
# self.addMakeRule('shared_arch','shared_'+self.arch.hostOsBase+'gnu')
#elif '-qmkshrobj' in self.setCompilers.sharedLibraryFlags:
# self.addMakeRule('shared_arch','shared_linux_ibm')
#else:
# self.addMakeRule('shared_arch','shared_'+self.arch.hostOsBase)
# define library extension at configure time with --shared-library-extension=<ext>
# This is added the shared library name and soname to allow for installation multiple configurations
# e.g. --shared-library-extension=Complex generates libpetscComplex.so instead of libpetsc.so
if 'shared-library-extension' in self.framework.argDB:
self.petsclibExt=self.framework.argDB['shared-library-extension']
# Linux is the default
if hasattr(self.debuggers, 'dsymutil'):
# Check for Mac OSX by the presence of dsymutil
# could also check flags: -dynamiclib -single_module -multiply_defined suppress -undefined dynamic_lookup
self.addMakeRule('shared_arch','shared_darwin')
self.addMakeMacro('SONAME_FUNCTION', '$(1).$(2).dylib')
self.addMakeMacro('SL_LINKER_FUNCTION', '-dynamiclib -install_name $(call SONAME_FUNCTION,$(1),$(2)) -compatibility_version $(2) -current_version $(3) -single_module -multiply_defined suppress -undefined dynamic_lookup')
else:
# TODO: check that -Wl,-soname,${LIBNAME}.${SL_LINKER_SUFFIX} can be passed (might fail on Intel)
# TODO: check whether to use -qmkshrobj or -shared (maybe we can just use self.setCompilers.sharedLibraryFlags)
# TODO: check whether we need to specify dependent libraries on the link line (long test)
self.addMakeRule('shared_arch','shared_linux')
self.addMakeMacro('SONAME_FUNCTION', '$(1).so.$(2)')
self.addMakeMacro('SL_LINKER_FUNCTION', '-shared -Wl,-soname,$(call SONAME_FUNCTION,$(notdir $(1)),$(2))')
self.addMakeMacro('BUILDSHAREDLIB','yes')
else:
self.addMakeRule('shared_arch','')
self.addMakeMacro('BUILDSHAREDLIB','no')
if self.setCompilers.sharedLibraries:
self.addDefine('HAVE_SHARED_LIBRARIES', 1)
if self.useShared:
self.addDefine('USE_SHARED_LIBRARIES', 1)
else:
self.logPrint('Shared libraries - disabled')
return
def configureDynamicLibraries(self):
'''Checks whether dynamic loading is available (with dlfcn.h and libdl)'''
if self.setCompilers.dynamicLibraries:
self.addDefine('HAVE_DYNAMIC_LIBRARIES', 1)
return
def configureSerializedFunctions(self):
'''
Defines PETSC_SERIALIZE_FUNCTIONS if they are used
Requires shared libraries'''
import sys
if self.framework.argDB['with-serialize-functions'] and self.setCompilers.dynamicLibraries:
self.addDefine('SERIALIZE_FUNCTIONS', 1)
def configure(self):
self.executeTest(self.checkSharedDynamicPicOptions)
self.executeTest(self.configureSharedLibraries)
self.executeTest(self.configureDynamicLibraries)
self.executeTest(self.configureSerializedFunctions)
return
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