Subversion Repositories slepc-dev

#

#  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

#  SLEPc - Scalable Library for Eigenvalue Problem Computations

#  Copyright (c) 2002-2010, Universidad Politecnica de Valencia, Spain

#

#  This file is part of SLEPc.

#     

#  SLEPc is free software: you can redistribute it and/or modify it under  the

#  terms of version 3 of the GNU Lesser General Public License as published by

#  the Free Software Foundation.

#

#  SLEPc  is  distributed in the hope that it will be useful, but WITHOUT  ANY 

#  WARRANTY;  without even the implied warranty of MERCHANTABILITY or  FITNESS 

#  FOR  A  PARTICULAR PURPOSE. See the GNU Lesser General Public  License  for 

#  more details.

#

#  You  should have received a copy of the GNU Lesser General  Public  License

#  along with SLEPc. If not, see <http://www.gnu.org/licenses/>.

#  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

#

import os

import sys

import log

import petscconf

import urllib

import urlparse

import commands

def Install(conf,vars,cmake,tmpdir,url,archdir):

  '''

  Download and uncompress the BLOPEX tarball

  '''

  log.write('='*80)

  log.Println('Installing BLOPEX...')

  if petscconf.PRECISION == 'single':

    log.Exit('ERROR: BLOPEX does not support single precision.')

  # Create externalpackages directory

  externdir = 'externalpackages'

  if not os.path.exists(externdir):

    try:

      os.mkdir(externdir)

    except:

      sys.exit('ERROR: cannot create directory ' + externdir)

  # Download tarball

  packagename = 'blopex-1.1.2'

  if url=='':

    url = 'http://www.grycap.upv.es/slepc/download/external/'+packagename+'.tar.gz'

  archiveZip = 'blopex.tar.gz'

  localFile = os.sep.join([externdir,archiveZip])

  log.Println('Downloading '+url+' to '+localFile)

  if os.path.exists(localFile):

    os.remove(localFile)

  try:

    urllib.urlretrieve(url, localFile)

  except Exception, e:

    name = 'blopex'

    filename   = os.path.basename(urlparse.urlparse(url)[2])

    failureMessage = '''\

Unable to download package %s from: %s

* If your network is disconnected - please reconnect and rerun config/configure.py

* Alternatively, you can download the above URL manually, to /yourselectedlocation/%s

  and use the configure option:

  --download-%s=/yourselectedlocation/%s

''' % (name, url, filename, name, filename)

    raise RuntimeError(failureMessage)

  # Uncompress tarball

  destDir = os.sep.join([externdir,packagename])

  log.Println('Uncompressing '+localFile+' to directory '+destDir)

  if os.path.exists(destDir):

    for root, dirs, files in os.walk(destDir, topdown=False):

      for name in files:

        os.remove(os.path.join(root, name))

      for name in dirs:

        os.rmdir(os.path.join(root, name))

  try:

    if sys.version_info >= (2,5):

      import tarfile

      tar = tarfile.open(localFile, "r:gz")

      tar.extractall(path=externdir)

      tar.close()

      os.remove(localFile)

    else:

      result,output = commands.getstatusoutput('cd '+externdir+'; gunzip '+archiveZip+'; tar -xf '+archiveZip.split('.gz')[0])

      os.remove(localFile.split('.gz')[0])

  except RuntimeError, e:

    raise RuntimeError('Error uncompressing '+archiveZip+': '+str(e))

  # Configure

  g = open(os.path.join(destDir,'Makefile.inc'),'w')

  g.write('CC          = '+petscconf.CC+'\n')

  if petscconf.IND64: blopexint = ' -DBlopexInt="long long" '

  else: blopexint = ''

  g.write('CFLAGS      = '+petscconf.CC_FLAGS.replace('-Wall','').replace('-Wshadow','')+blopexint+'\n')

  g.write('AR          = '+petscconf.AR+' '+petscconf.AR_FLAGS+'\n')

  g.write('AR_LIB_SUFFIX = '+petscconf.AR_LIB_SUFFIX+'\n')

  g.write('RANLIB      = '+petscconf.RANLIB+'\n')

  g.write('TARGET_ARCH = \n')

  g.close()

  # Build package

  result,output = commands.getstatusoutput('cd '+destDir+'&&'+petscconf.MAKE+' clean &&'+petscconf.MAKE)

  log.write(output)

  # Move files

  incDir = os.sep.join([archdir,'include'])

  libDir = os.sep.join([archdir,'lib'])

  os.rename(os.path.join(destDir,'lib/libBLOPEX.'+petscconf.AR_LIB_SUFFIX),os.path.join(libDir,'libBLOPEX.'+petscconf.AR_LIB_SUFFIX))

  for root, dirs, files in os.walk(os.path.join(destDir,'include')):

    for name in files:

      os.rename(os.path.join(destDir,'include/'+name),os.path.join(incDir,name))

  # Write configuration files

  conf.write('#ifndef SLEPC_HAVE_BLOPEX\n#define SLEPC_HAVE_BLOPEX 1\n#endif\n\n')

  vars.write('BLOPEX_LIB = -lBLOPEX\n')

  cmake.write('set (SLEPC_HAVE_BLOPEX YES)\n')

  cmake.write('find_library (BLOPEX_LIB BLOPEX)\n')

  return ['-L' + libDir] + ['-I' + incDir]