1import config.base 2import os 3import re 4 5class Configure(config.base.Configure): 6 def __init__(self, framework): 7 config.base.Configure.__init__(self, framework) 8 self.headerPrefix = 'PETSC' 9 self.substPrefix = 'PETSC' 10 return 11 12 def __str1__(self): 13 if not hasattr(self, 'arch'): 14 return '' 15 return ' PETSC_ARCH: '+str(self.arch)+'\n' 16 17 def setupHelp(self, help): 18 import nargs 19 help.addArgument('PETSc', '-PETSC_ARCH=<string>', nargs.Arg(None, None, 'The configuration name')) 20 help.addArgument('PETSc', '-with-petsc-arch=<string>',nargs.Arg(None, None, 'The configuration name')) 21 help.addArgument('PETSc', '-force=<bool>', nargs.ArgBool(None, 0, 'Bypass configure hash caching, and run to completion')) 22 return 23 24 def setupDependencies(self, framework): 25 self.sourceControl = framework.require('config.sourceControl',self) 26 self.petscdir = framework.require('PETSc.options.petscdir', self) 27 return 28 29 def setNativeArchitecture(self): 30 '''Forms the arch as GNU's configure would form it''' 31 import sys 32 arch = 'arch-' + sys.platform.replace('cygwin','mswin') 33 # use opt/debug, c/c++ tags.s 34 arch+= '-'+self.framework.argDB['with-clanguage'].lower().replace('+','x') 35 if self.framework.argDB['with-debugging']: 36 arch += '-debug' 37 else: 38 arch += '-opt' 39 self.nativeArch = arch 40 return 41 42 def configureArchitecture(self): 43 '''Checks if PETSC_ARCH is set and sets it if not set''' 44 # Warn if PETSC_ARCH doesn't match env variable 45 if 'PETSC_ARCH' in self.framework.argDB and 'PETSC_ARCH' in os.environ and self.framework.argDB['PETSC_ARCH'] != os.environ['PETSC_ARCH']: 46 self.logPrintWarning('''\ 47PETSC_ARCH from environment does not match command-line or name of script. Using from command-line or name of script: %s, ignoring environment: %s''' % (str(self.framework.argDB['PETSC_ARCH']), str(os.environ['PETSC_ARCH']))) 48 os.environ['PETSC_ARCH'] = self.framework.argDB['PETSC_ARCH'] 49 if 'with-petsc-arch' in self.framework.argDB: 50 self.arch = self.framework.argDB['with-petsc-arch'] 51 msg = 'option -with-petsc-arch='+str(self.arch) 52 elif 'PETSC_ARCH' in self.framework.argDB: 53 self.arch = self.framework.argDB['PETSC_ARCH'] 54 msg = 'option PETSC_ARCH='+str(self.arch) 55 elif 'PETSC_ARCH' in os.environ: 56 self.arch = os.environ['PETSC_ARCH'] 57 msg = 'environment variable PETSC_ARCH='+str(self.arch) 58 else: 59 self.arch = self.nativeArch 60 if self.arch.find('/') >= 0 or self.arch.find('\\') >= 0: 61 raise RuntimeError('PETSC_ARCH should not contain path characters, but you have specified with '+msg) 62 if self.arch.startswith('-'): 63 raise RuntimeError('PETSC_ARCH should not start with "-", but you have specified with '+msg) 64 if self.arch.startswith('.'): 65 raise RuntimeError('PETSC_ARCH should not start with ".", but you have specified with '+msg) 66 if not len(self.arch): 67 raise RuntimeError('PETSC_ARCH cannot be empty string. Use a valid string or do not set one. Currently set with '+msg) 68 self.archBase = re.sub(r'^(\w+)[-_]?.*$', r'\1', self.arch) 69 return 70 71 def makeDependency(self,hash,hashfile,hashfilepackages): 72 '''Deletes the current hashfile and saves the hashfile names and its value in framework so that''' 73 '''framework.Configure can create the file upon success of configure''' 74 import os 75 if hash: 76 self.framework.hash = hash 77 self.framework.hashfile = hashfile 78 self.logPrint('Setting hashfile: '+hashfile) 79 if hashfilepackages: self.framework.hashfilepackages = hashfilepackages 80 try: 81 self.logPrint('Deleting configure hash file: '+hashfile) 82 os.remove(hashfile) 83 self.logPrint('Deleted configure hash file: '+hashfile) 84 except: 85 self.logPrint('Unable to delete configure hash file: '+hashfile) 86 87 88 def checkDependency(self): 89 '''Checks if files in config have changed, the command line options have changed or the PATH has changed''' 90 ''' By default - checks if configure needs to be run''' 91 ''' If --arch-hash it manages the same information but it:''' 92 ''' * computes a short hash for the configuration <hashvalue>''' 93 ''' * sets self.arch and PETSC_ARCH to arch-<hashvalue>''' 94 ''' This results in the downloaded packages being installed once to the arch-<hasvalue> directory''' 95 ''' and a new directory with a different hash is created if the configuration changes.''' 96 ''' This mode is intended mostly for testing to reduce reconfigure and recompile times (not currently used)''' 97 ''' If --package-prefix-hash=directory is provided''' 98 ''' * computes a short hash for the configuration <hashvalue>''' 99 ''' * puts the downloaded external packages into location directory/hash''' 100 ''' This results in the downloaded packages being installed once''' 101 ''' and a new directory with a different hash is created if the configuration changes.''' 102 ''' This mode is intended mostly for testing to reduce time of reinstalling external packages''' 103 import os 104 import sys 105 import hashlib 106 import platform 107 hash = 'Uname: '+platform.uname().system+' '+platform.uname().processor+'\n' 108 hash += 'PATH=' + os.environ.get('PATH', '') + '\n' 109 args = sorted(set(filter(lambda x: not (x.startswith('PETSC_ARCH') or x == '--force'),sys.argv[1:]))) 110 hash += 'args:\n' + '\n'.join(' '+a for a in args) + '\n' 111 chash='' 112 try: 113 for root, dirs, files in os.walk('config'): 114 if root == 'config': 115 dirs.remove('examples') 116 for f in files: 117 if not f.endswith('.py') or f.startswith('.') or f.startswith('#'): 118 continue 119 fname = os.path.join(root, f) 120 with open(fname,'rb') as f: 121 chash += hashlib.sha256(f.read()).hexdigest() + ' ' + fname + '\n' 122 except: 123 self.logPrint('Error generating file list/hash from config directory for configure hash, forcing new configuration') 124 return 125 hash += '\n'.join(sorted(chash.splitlines())) 126 hashfilepackages = None 127 # Generate short hash to use for the arch so the same arch can be reused if the configuration files don't change 128 if 'arch-hash' in self.argDB: 129 if self.argDB['prefix']: 130 raise RuntimeError('Cannot provide --prefix and --arch-hash') 131 if hasattr(self.argDB,'PETSC_ARCH'): 132 raise RuntimeError('Cannot provide PETSC_ARCH and --arch-hash') 133 if 'package-prefix-hash' in self.argDB: 134 raise RuntimeError('Cannot provide --arch-hash and --package-prefix-hash') 135 if os.getenv('PETSC_ARCH'): 136 raise RuntimeError('Do not set the environmental variable PETSC_ARCH and use --arch-hash') 137 if 'arch-hash' in self.argDB or 'package-prefix-hash' in self.argDB: 138 import hashlib 139 m = hashlib.md5() 140 m.update(hash.encode('utf-8')) 141 hprefix = m.hexdigest() 142 if 'arch-hash' in self.argDB: 143 self.argDB['PETSC_ARCH'] = 'arch-'+hprefix[0:6] 144 self.arch = 'arch-'+hprefix[0:6] 145 else: 146 if not os.path.isdir(self.argDB['package-prefix-hash']): 147 self.logPrint('Specified package-prefix-hash location %s not found! Attempting to create this dir!' % self.argDB['package-prefix-hash']) 148 try: 149 os.makedirs(self.argDB['package-prefix-hash']) 150 except Exception as e: 151 self.logPrint('Error creating package-prefix-hash directory '+self.argDB['package-prefix-hash']+': '+str(e)) 152 raise RuntimeError('You must have write permission to create prefix directory '+self.argDB['package-prefix-hash']) 153 status = False 154 for idx in range(6,len(hprefix)): 155 hashdirpackages = os.path.join(self.argDB['package-prefix-hash'],hprefix[0:idx]) 156 hashfilepackages = os.path.join(hashdirpackages,'configure-hash') 157 if os.path.isdir(hashdirpackages): 158 if os.path.exists(hashfilepackages): 159 self.argDB['package-prefix-hash'] = 'reuse' # indicates prefix libraries already built, no need to rebuild 160 status = True 161 break 162 else: continue # perhaps an incomplete build? use a longer hash 163 else: 164 try: 165 os.mkdir(hashdirpackages) 166 except Exception as e: 167 self.logPrint('Error creating package-prefix-hash directory '+hashdirpackages+': '+str(e)) 168 raise RuntimeError('You must have write permission on --package-prefix-hash='+self.argDB['package-prefix-hash']+' directory') 169 status = True 170 break 171 if not status: 172 raise RuntimeError('Unable to create package-prefix-hash dir! Suggest cleaning up %s* !' % os.path.join(self.argDB['package-prefix-hash'],hprefix[0:6]) ) 173 self.argDB['prefix'] = hashdirpackages 174 175 hashfile = os.path.join(self.arch,'lib','petsc','conf','configure-hash') 176 177 if self.argDB['force']: 178 self.logPrint('Forcing a new configuration requested by use') 179 self.makeDependency(hash,hashfile,hashfilepackages) 180 return 181 a = '' 182 try: 183 with open(hashfile, 'r') as f: 184 a = f.read() 185 except: 186 self.logPrint('No previous hashfile found') 187 self.makeDependency(hash,hashfile,hashfilepackages) 188 return 189 if a == hash: 190 try: 191 self.logPrint('Attempting to save lib/petsc/conf/petscvariables file') 192 with open(os.path.join('lib','petsc','conf','petscvariables'), 'w') as g: 193 g.write('PETSC_ARCH='+self.arch+'\n') 194 g.write('PETSC_DIR='+self.petscdir.dir+'\n') 195 g.write('include $(PETSC_DIR)/$(PETSC_ARCH)/lib/petsc/conf/petscvariables\n') 196 self.logPrint('Saved lib/petsc/conf/petscvariables file') 197 except: 198 self.logPrint('Unable to save lib/petsc/conf/petscvariables file') 199 self.logPrint('configure hash file: '+hashfile+' matches; no need to run configure.') 200 print('Your configure options and state has not changed; no need to run configure') 201 print('However you can force a configure run using the option: --force') 202 203 from config.packages.make import getMakeUserPath 204 print('xxx=========================================================================xxx') 205 print(' Build PETSc libraries with:') 206 print(' %s PETSC_DIR=%s PETSC_ARCH=%s all' % (getMakeUserPath(self.arch), self.petscdir.dir, self.arch)) 207 print('xxx=========================================================================xxx') 208 sys.exit() 209 self.logPrint('configure hash file: '+hashfile+' does not match, need to run configure') 210 self.makeDependency(hash,hashfile,hashfilepackages) 211 212 def configure(self): 213 self.executeTest(self.setNativeArchitecture) 214 self.executeTest(self.configureArchitecture) 215 # required by top-level configure.py 216 self.framework.arch = self.arch 217 self.checkDependency() 218 return 219