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#
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# SLEPc - Scalable Library for Eigenvalue Problem Computations
# Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
#
# This file is part of SLEPc.
# SLEPc is distributed under a 2-clause BSD license (see LICENSE).
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#
from __future__ import print_function
import argdb, os, sys, package
class SLEPc(package.Package):
def __init__(self,argdb,log):
self.log = log
self.ProcessArgs(argdb)
self.isinstall = not self.prefixdir==''
def ShowHelp(self):
wd = package.Package.wd
print('\nConfiguration:')
print(' --help, -h'.ljust(wd)+': Display this help and exit')
print(' --with-clean=<bool>'.ljust(wd)+': Delete prior build files including externalpackages')
print(' --force=<bool>'.ljust(wd)+': Bypass configure hash caching, and run to completion')
print(' --with-packages-download-dir=<dir>'.ljust(wd)+': Skip network download of tarballs and locate them in specified dir')
print(' --with-packages-build-dir=<dir>'.ljust(wd)+': Location to unpack and run the build process for downloaded packages')
print('\nSLEPc:')
print(' --prefix=<dir>'.ljust(wd)+': Specify location to install SLEPc (e.g., /usr/local)')
print(' --build-suffix=<string> : Extension to name of build directory (e.g. "64" to distinguish 64-bit builds)')
print(' --DATAFILESPATH=<dir>'.ljust(wd)+': Location of datafiles (available at https://slepc.upv.es/datafiles)')
def ProcessArgs(self,argdb):
self.clean = argdb.PopBool('with-clean')[0]
self.buildsuffix = argdb.PopString('build-suffix')[0]
self.force = argdb.PopBool('force')[0]
self.datadir = argdb.PopPath('DATAFILESPATH',exist=True)[0]
self.downloaddir = argdb.PopPath('with-packages-download-dir',exist=True)[0]
self.pkgbuilddir = argdb.PopPath('with-packages-build-dir',exist=True)[0]
self.prefixdir = argdb.PopPath('prefix')[0]
if self.prefixdir:
self.prefixdir = os.path.realpath(os.path.normpath(self.prefixdir))
def Process(self,slepcconf,slepcvars,slepcrules,slepc,petsc,archdir=''):
slepcvars.write('include '+petsc.petscvariables+'\n')
slepcvars.write('SLEPC_CONFIGURE_OPTIONS = '+' '.join(sys.argv[1:])+'\n')
slepcvars.write('SLEPC_INSTALLDIR = '+slepc.prefixdir+'\n')
if petsc.isinstall:
slepcvars.write('INSTALLED_PETSC = 1\n')
if slepc.datadir:
slepcvars.write('DATAFILESPATH = '+slepc.datadir+'\n')
# This should be the first write to file slepcconf.h
slepcconf.write('#if !defined(INCLUDED_SLEPCCONF_H)\n')
slepcconf.write('#define INCLUDED_SLEPCCONF_H\n\n')
self.AddDefine(slepcconf,'PETSC_DIR',petsc.dir)
self.AddDefine(slepcconf,'PETSC_ARCH',petsc.arch)
self.AddDefine(slepcconf,'DIR',slepc.dir)
self.AddDefine(slepcconf,'LIB_DIR',os.path.join(slepc.prefixdir,'lib'))
libdir = os.path.join(slepc.prefixdir,'lib')
incdir = os.path.join(slepc.prefixdir,'include')
if petsc.buildsharedlib:
self.libflags = petsc.cc_linker_slflag + libdir + ' -L' + libdir
else:
self.libflags = '-L' + libdir
self.includeflags = '-I' + incdir
if slepc.isrepo and slepc.gitrev != 'unknown':
self.AddDefine(slepcconf,'VERSION_GIT',slepc.gitrev)
self.AddDefine(slepcconf,'VERSION_DATE_GIT',slepc.gitdate)
self.AddDefine(slepcconf,'VERSION_BRANCH_GIT',slepc.branch)
slepcvars.write('LIB_NAME_SUFFIX = '+petsc.lib_name_suffix+'\n')
# Single library installation
if petsc.singlelib:
slepcvars.write('SHLIBS = libslepc${LIB_NAME_SUFFIX}\n')
slepcvars.write('LIBNAME = '+os.path.join('${INSTALL_LIB_DIR}','libslepc${LIB_NAME_SUFFIX}.${AR_LIB_SUFFIX}')+'\n')
for module in ['SYS','EPS','SVD','PEP','NEP','MFN','LME']:
slepcvars.write('SLEPC_'+module+'_LIB_NOPETSC = ${CC_LINKER_SLFLAG}${SLEPC_LIB_DIR} -L${SLEPC_LIB_DIR} -lslepc${LIB_NAME_SUFFIX} ${SLEPC_EXTERNAL_LIB_BASIC}\n')
slepcvars.write('SLEPC_LIB_NOPETSC = ${CC_LINKER_SLFLAG}${SLEPC_LIB_DIR} -L${SLEPC_LIB_DIR} -lslepc${LIB_NAME_SUFFIX} ${SLEPC_EXTERNAL_LIB_BASIC}\n')
def ShowInfo(self):
self.log.Println('\nSLEPc directory:\n '+self.dir)
if self.isrepo and self.gitrev != 'unknown':
self.log.Println(' It is a git repository on branch: '+self.branch)
if self.isinstall:
self.log.Println('SLEPc prefix directory:\n '+self.prefixdir)
def InitDir(self):
if 'SLEPC_DIR' in os.environ:
self.dir = os.path.normpath(os.environ['SLEPC_DIR'])
if not os.path.exists(self.dir) or not os.path.exists(os.path.join(self.dir,'config')):
self.log.Exit('SLEPC_DIR environment variable is not valid')
if os.path.realpath(os.getcwd()) != os.path.realpath(self.dir):
self.log.Exit('SLEPC_DIR is not the current directory')
else:
self.dir = os.getcwd()
if not os.path.exists(os.path.join(self.dir,'config')):
self.log.Exit('Current directory is not valid')
def LoadVersion(self):
try:
with open(os.path.join(self.dir,'include','slepcversion.h')) as f:
for l in f.readlines():
l = l.split()
if len(l) == 3:
if l[1] == 'SLEPC_VERSION_RELEASE':
self.release = l[2]
if l[1] == 'SLEPC_VERSION_MAJOR':
major = l[2]
elif l[1] == 'SLEPC_VERSION_MINOR':
minor = l[2]
elif l[1] == 'SLEPC_VERSION_SUBMINOR':
subminor = l[2]
if self.release=='0': subminor = '99'
self.version = major + '.' + minor
self.lversion = major + '.' + minor + '.' + subminor
self.nversion = int(major)*100 + int(minor)
except:
self.log.Exit('File error while reading SLEPc version')
# Check whether this is a working copy of the repository
self.isrepo = False
if os.path.exists(os.path.join(self.dir,'src','docs')):
self.log.write('This appears to be a repository clone - src/docs exists')
self.isrepo = True
if os.path.exists(os.path.join(self.dir,'.git')):
self.log.write('.git directory exists')
(status, output) = self.RunCommand('git help')
if status:
self.log.Warn('SLEPC_DIR appears to be a git working copy, but git is not found in PATH')
self.gitrev = 'unknown'
self.gitdate = 'unknown'
self.branch = 'unknown'
else:
(status, self.gitrev) = self.RunCommand('git describe --match=v*')
if not self.gitrev:
(status, self.gitrev) = self.RunCommand('git log -1 --pretty=format:%H')
(status, self.gitdate) = self.RunCommand('git log -1 --pretty=format:%ci')
(status, self.branch) = self.RunCommand('git describe --contains --all HEAD')
if status:
(status, self.branch) = self.RunCommand('git rev-parse --abbrev-ref HEAD')
if status:
self.branch = 'unknown'
else:
self.log.write('This repository clone is obtained as a tarball as no .git dirs exist')
self.gitrev = 'unknown'
self.gitdate = 'unknown'
self.branch = 'unknown'
else:
if False and os.path.exists(os.path.join(self.dir,'.git')):
self.log.Exit('Your SLEPc source tree is broken. Use "git status" to check, or remove the entire directory and start all over again')
else:
self.log.write('This is a tarball installation')
def CreateFile(self,basedir,fname):
''' Create file basedir/fname and return path string '''
newfile = os.path.join(basedir,fname)
try:
newfile = open(newfile,'w')
except:
self.log.Exit('Cannot create '+fname+' file in '+basedir)
return newfile
def CreateDir(self,basedir,dirname):
''' Create directory basedir/dirname and return path string '''
newdir = os.path.join(basedir,dirname)
if not os.path.exists(newdir):
try:
os.mkdir(newdir)
except:
self.log.Exit('Cannot create '+dirname+' directory: '+newdir)
return newdir
def CreateDirTwo(self,basedir,dir1,dir2):
''' Create directory basedir/dir1/dir2 and return path string '''
newbasedir = os.path.join(basedir,dir1)
if not os.path.exists(newbasedir):
try:
os.mkdir(newbasedir)
except:
self.log.Exit('Cannot create '+dir1+' directory: '+newbasedir)
newdir = os.path.join(newbasedir,dir2)
if not os.path.exists(newdir):
try:
os.mkdir(newdir)
except:
self.log.Exit('Cannot create '+dir2+' directory: '+newdir)
return newdir
def CreateDirTest(self,basedir,dirname):
''' Create directory, return path string and flag indicating if already existed '''
newdir = os.path.join(basedir,dirname)
if not os.path.exists(newdir):
existed = False
try:
os.mkdir(newdir)
except:
self.log.Exit('Cannot create '+dirname+' directory: '+newdir)
else:
existed = True
return newdir, existed
def CreatePrefixDirs(self,prefixdir):
''' Create directories include and lib under prefixdir, and return path strings '''
if not os.path.exists(prefixdir):
try:
os.mkdir(prefixdir)
except:
self.log.Exit('Cannot create prefix directory: '+prefixdir)
incdir = os.path.join(prefixdir,'include')
if not os.path.exists(incdir):
try:
os.mkdir(incdir)
except:
self.log.Exit('Cannot create include directory: '+incdir)
libdir = os.path.join(prefixdir,'lib')
if not os.path.exists(libdir):
try:
os.mkdir(libdir)
except:
self.log.Exit('Cannot create lib directory: '+libdir)
return incdir,libdir
def GetExternalPackagesDir(self,archdir):
''' Create externalpackages if needed, unless user specified --with-packages-build-dir '''
externdir = self.pkgbuilddir
if not externdir:
externdir = os.path.join(archdir,'externalpackages')
if not os.path.exists(externdir):
try:
os.mkdir(externdir)
except:
self.log.Exit('Cannot create directory: '+externdir)
return externdir
def AddDefine(self,conffile,name,value,prefix='SLEPC_'):
conffile.write('#define '+prefix+name+' "'+value+'"\n')
def GetConfigureHash(self,argdb,petsc):
''' Generate string to be saved as configure-hash to uniquely identify the current configure run '''
import hashlib
import platform
hash = 'Uname: '+platform.uname().system+' '+platform.uname().processor+'\n'
hash += 'PATH=' + os.environ.get('PATH','') + '\n'
hash += str(petsc) + '\n'
args = sorted(set(filter(lambda x: (x != '--force'),argdb.UsedArgsList())))
hash += 'SLEPc configure options:\n' + '\n'.join(' '+a for a in args) + '\n'
chash = ''
try:
for root, dirs, files in os.walk('config'):
for f in files:
if not f.endswith('.py') or f.startswith('.') or f.startswith('#'):
continue
fname = os.path.join(root,f)
with open(fname,'rb') as f:
chash += hashlib.sha256(f.read()).hexdigest() + ' ' + fname + '\n'
except:
self.log.Warn('Error generating file list/hash from config directory for configure hash, forcing new configuration')
return ''
hash += '\n'.join(sorted(chash.splitlines()))
return hash
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