xref: /petsc/config/PETSc/Configure.py (revision feff33ee0b5b037fa8f9f294dede656a2f85cc47)
1import config.base
2
3import os
4import sys
5import re
6import cPickle
7import string
8
9# The sorted() builtin is not available with python-2.3
10try: sorted
11except NameError:
12  def sorted(lst):
13    lst.sort()
14    return lst
15
16class Configure(config.base.Configure):
17  def __init__(self, framework):
18    config.base.Configure.__init__(self, framework)
19    self.headerPrefix = 'PETSC'
20    self.substPrefix  = 'PETSC'
21    self.installed = 0 # 1 indicates that Configure itself has already compiled and installed PETSc
22    return
23
24  def __str2__(self):
25    desc = []
26    if not self.installed:
27      desc.append('xxx=========================================================================xxx')
28      if self.make.getMakeMacro('MAKE_IS_GNUMAKE'):
29        build_type = 'gnumake build'
30      elif self.getMakeMacro('PETSC_BUILD_USING_CMAKE'):
31        build_type = 'cmake build'
32      else:
33        build_type = 'legacy build'
34      desc.append(' Configure stage complete. Now build PETSc libraries with (%s):' % build_type)
35      desc.append('   make PETSC_DIR='+self.petscdir.dir+' PETSC_ARCH='+self.arch.arch+' all')
36      desc.append('xxx=========================================================================xxx')
37    else:
38      desc.append('xxx=========================================================================xxx')
39      desc.append(' Installation complete. You do not need to run make to compile or install the software')
40      desc.append('xxx=========================================================================xxx')
41    return '\n'.join(desc)+'\n'
42
43  def setupHelp(self, help):
44    import nargs
45    help.addArgument('PETSc',  '-prefix=<dir>',                   nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
46    help.addArgument('PETSc',  '-with-prefetch=<bool>',           nargs.ArgBool(None, 1,'Enable checking for prefetch instructions'))
47    help.addArgument('Windows','-with-windows-graphics=<bool>',   nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
48    help.addArgument('PETSc', '-with-default-arch=<bool>',        nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
49    help.addArgument('PETSc','-with-single-library=<bool>',       nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
50    help.addArgument('PETSc','-with-fortran-bindings=<bool>',     nargs.ArgBool(None, 1,'Build PETSc fortran bindings in the library and corresponding module files'))
51    help.addArgument('PETSc', '-with-ios=<bool>',              nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
52    help.addArgument('PETSc', '-with-xsdk-defaults', nargs.ArgBool(None, 0, 'Set the following as defaults for the xSDK standard: --enable-debug=1, --enable-shared=1, --with-precision=double, --with-index-size=32, locate blas/lapack automatically'))
53    help.addArgument('PETSc', '-known-has-attribute-aligned=<bool>',nargs.ArgBool(None, None, 'Indicates __attribute((aligned(16)) directive works (the usual test will be skipped)'))
54    help.addArgument('PETSc','-with-viewfromoptions=<bool>',      nargs.ArgBool(None, 1,'Support XXXSetFromOptions() calls, for calls with many small solvers turn this off'))
55    help.addArgument('PETSc', '-with-display=<x11display>',       nargs.Arg(None, '', 'Specifiy DISPLAY env variable for use with matlab test)'))
56    return
57
58  def registerPythonFile(self,filename,directory):
59    ''' Add a python file to the framework and registers its headerprefix, ... externalpackagedir
60        directory is the directory where the file relative to the BuildSystem or config path in python notation with . '''
61    (utilityName, ext) = os.path.splitext(filename)
62    if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
63      if directory: directory = directory+'.'
64      utilityObj                             = self.framework.require(directory+utilityName, self)
65      utilityObj.headerPrefix                = self.headerPrefix
66      utilityObj.archProvider                = self.arch
67      utilityObj.languageProvider            = self.languages
68      utilityObj.installDirProvider          = self.installdir
69      utilityObj.externalPackagesDirProvider = self.externalpackagesdir
70      utilityObj.precisionProvider           = self.scalartypes
71      utilityObj.indexProvider               = self.indexTypes
72      setattr(self, utilityName.lower(), utilityObj)
73      return utilityObj
74    return None
75
76  def setupDependencies(self, framework):
77    config.base.Configure.setupDependencies(self, framework)
78    self.programs      = framework.require('config.programs',           self)
79    self.setCompilers  = framework.require('config.setCompilers',       self)
80    self.compilers     = framework.require('config.compilers',          self)
81    self.arch          = framework.require('PETSc.options.arch',        self.setCompilers)
82    self.petscdir      = framework.require('PETSc.options.petscdir',    self.arch)
83    self.installdir    = framework.require('PETSc.options.installDir',  self)
84    self.scalartypes   = framework.require('PETSc.options.scalarTypes', self)
85    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self)
86    self.languages     = framework.require('PETSc.options.languages',   self.setCompilers)
87    self.debugging     = framework.require('PETSc.options.debugging',   self.compilers)
88    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self.compilers)
89    self.compilers     = framework.require('config.compilers',          self)
90    self.types         = framework.require('config.types',              self)
91    self.headers       = framework.require('config.headers',            self)
92    self.functions     = framework.require('config.functions',          self)
93    self.libraries     = framework.require('config.libraries',          self)
94    self.atomics       = framework.require('config.atomics',            self)
95    self.make          = framework.require('config.packages.make',      self)
96    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
97    self.cmake         = framework.require('config.packages.cmake',self)
98    self.externalpackagesdir = framework.require('PETSc.options.externalpackagesdir',self)
99    self.mpi           = framework.require('config.packages.MPI',self)
100
101    for utility in sorted(os.listdir(os.path.join('config','PETSc','options'))):
102      self.registerPythonFile(utility,'PETSc.options')
103
104    for utility in sorted(os.listdir(os.path.join('config','BuildSystem','config','utilities'))):
105      self.registerPythonFile(utility,'config.utilities')
106
107    for package in sorted(os.listdir(os.path.join('config', 'BuildSystem', 'config', 'packages'))):
108      obj = self.registerPythonFile(package,'config.packages')
109      if obj:
110        obj.archProvider                = self.framework.requireModule(obj.archProvider, obj)
111        obj.languageProvider            = self.framework.requireModule(obj.languageProvider, obj)
112        obj.installDirProvider          = self.framework.requireModule(obj.installDirProvider, obj)
113        obj.externalPackagesDirProvider = self.framework.requireModule(obj.externalPackagesDirProvider, obj)
114        obj.precisionProvider           = self.framework.requireModule(obj.precisionProvider, obj)
115        obj.indexProvider               = self.framework.requireModule(obj.indexProvider, obj)
116
117    # Force blaslapack and opencl to depend on scalarType so precision is set before BlasLapack is built
118    framework.require('PETSc.options.scalarTypes', self.f2cblaslapack)
119    framework.require('PETSc.options.scalarTypes', self.fblaslapack)
120    framework.require('PETSc.options.scalarTypes', self.blaslapack)
121    framework.require('PETSc.options.scalarTypes', self.opencl)
122    framework.require('PETSc.Regression', self)
123
124    self.programs.headerPrefix   = self.headerPrefix
125    self.compilers.headerPrefix  = self.headerPrefix
126    self.types.headerPrefix      = self.headerPrefix
127    self.headers.headerPrefix    = self.headerPrefix
128    self.functions.headerPrefix  = self.headerPrefix
129    self.libraries.headerPrefix  = self.headerPrefix
130
131    # Look for any user provided --download-xxx=directory packages
132    for arg in sys.argv:
133      if arg.startswith('--download-') and arg.find('=') > -1:
134        pname = arg[11:arg.find('=')]
135        if not hasattr(self,pname):
136          dname = os.path.dirname(arg[arg.find('=')+1:])
137          if os.path.isdir(dname) and not os.path.isfile(os.path.join(dname,pname+'.py')):
138            self.framework.logPrint('User is registering a new package: '+arg)
139            sys.path.append(dname)
140            self.registerPythonFile(pname+'.py','')
141
142    # test for a variety of basic headers and functions
143    headersC = map(lambda name: name+'.h', ['setjmp','dos', 'endian', 'fcntl', 'float', 'io', 'limits', 'malloc', 'pwd', 'search', 'strings',
144                                            'unistd', 'sys/sysinfo', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
145                                            'sys/systeminfo', 'sys/times', 'sys/utsname','string', 'stdlib',
146                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
147                                            'WindowsX', 'cxxabi','float','ieeefp','stdint','sched','pthread','mathimf','inttypes','immintrin','zmmintrin'])
148    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname',
149                 'gettimeofday', 'getwd', 'memalign', 'memmove', 'mkstemp', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
150                 'readlink', 'realpath',  'sigaction', 'signal', 'sigset', 'usleep', 'sleep', '_sleep', 'socket',
151                 'times', 'gethostbyname', 'uname','snprintf','_snprintf','lseek','_lseek','time','fork','stricmp',
152                 'strcasecmp', 'bzero', 'dlopen', 'dlsym', 'dlclose', 'dlerror','get_nprocs','sysctlbyname',
153                 '_set_output_format','_mkdir']
154    libraries1 = [(['socket', 'nsl'], 'socket'), (['fpe'], 'handle_sigfpes')]
155    self.headers.headers.extend(headersC)
156    self.functions.functions.extend(functions)
157    self.libraries.libraries.extend(libraries1)
158
159    return
160
161  def DumpPkgconfig(self):
162    ''' Create a pkg-config file '''
163    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
164      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
165    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig','PETSc.pc'),'w')
166    if self.framework.argDB['prefix']:
167      fd.write('prefix='+self.installdir.dir+'\n')
168      fd.write('exec_prefix=${prefix}\n')
169      fd.write('includedir=${prefix}/include\n')
170    else:
171      fd.write('prefix='+self.petscdir.dir+'\n')
172      fd.write('exec_prefix=${prefix}\n')
173      fd.write('includedir=${prefix}/include\n')
174    fd.write('libdir='+os.path.join(self.installdir.dir,'lib')+'\n')
175
176    self.setCompilers.pushLanguage('C')
177    fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
178    fd.write('cflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
179    fd.write('cflags_dep='+self.compilers.dependenciesGenerationFlag.get('C','')+'\n')
180    fd.write('ldflag_rpath='+self.setCompilers.CSharedLinkerFlag+'\n')
181    self.setCompilers.popLanguage()
182    if hasattr(self.compilers, 'C++'):
183      self.setCompilers.pushLanguage('C++')
184      fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
185      fd.write('cxxflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
186      self.setCompilers.popLanguage()
187    if hasattr(self.compilers, 'FC'):
188      self.setCompilers.pushLanguage('FC')
189      fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
190      fd.write('fflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
191      self.setCompilers.popLanguage()
192
193    fd.write('\n')
194    fd.write('Name: PETSc\n')
195    fd.write('Description: Library to solve ODEs and algebraic equations\n')
196    fd.write('Version: %s\n' % self.petscdir.version)
197    fd.write('Cflags: ' + self.setCompilers.CPPFLAGS + ' ' + self.PETSC_CC_INCLUDES + '\n')
198    fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
199    # Remove RPATH flags from library list.  User can add them using
200    # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
201    fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
202
203    fd.close()
204    return
205
206  def DumpModule(self):
207    ''' Create a module file '''
208    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
209      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
210    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
211      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
212    if self.framework.argDB['prefix']:
213      installdir  = self.installdir.dir
214      installarch = ''
215      installpath = os.path.join(installdir,'bin')
216    else:
217      installdir  = self.petscdir.dir
218      installarch = self.arch.arch
219      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
220    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
221    fd.write('''\
222#%%Module
223
224proc ModulesHelp { } {
225    puts stderr "This module sets the path and environment variables for petsc-%s"
226    puts stderr "     see http://www.mcs.anl.gov/petsc/ for more information      "
227    puts stderr ""
228}
229module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
230
231set petsc_dir   "%s"
232set petsc_arch  "%s"
233
234setenv PETSC_ARCH "$petsc_arch"
235setenv PETSC_DIR "$petsc_dir"
236prepend-path PATH "%s"
237''' % (self.petscdir.version, installdir, installarch, installpath))
238    fd.close()
239    return
240
241  def Dump(self):
242    ''' Actually put the values into the configuration files '''
243    # eventually everything between -- should be gone
244    if self.mpi.usingMPIUni:
245      #
246      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
247      self.executeShellCommand('rm -rf  '+os.path.join(self.petscdir.dir,self.arch.arch,'include','mpi*')+' '+os.path.join(self.petscdir.dir,self.arch.arch,'include','opa*'), log = self.log)
248
249    self.setCompilers.pushLanguage('C')
250    compiler = self.setCompilers.getCompiler()
251    if compiler.endswith('mpicc') or compiler.endswith('mpiicc'):
252      try:
253        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
254        compiler = output.split(' ')[0]
255        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
256      except:
257        self.addDefine('MPICC_SHOW','"Unavailable"')
258    else:
259      self.addDefine('MPICC_SHOW','"Unavailable"')
260    self.setCompilers.popLanguage()
261#-----------------------------------------------------------------------------------------------------
262
263    # Sometimes we need C compiler, even if built with C++
264    self.setCompilers.pushLanguage('C')
265    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
266    self.setCompilers.popLanguage()
267
268    # And sometimes we need a C++ compiler even when PETSc is built with C
269    if hasattr(self.compilers, 'CXX'):
270      self.setCompilers.pushLanguage('Cxx')
271      self.addDefine('HAVE_CXX','1')
272      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
273      self.setCompilers.popLanguage()
274
275    # C preprocessor values
276    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
277
278    # compiler values
279    self.setCompilers.pushLanguage(self.languages.clanguage)
280    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
281    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
282    self.setCompilers.popLanguage()
283    # .o or .obj
284    self.addMakeMacro('CC_SUFFIX','o')
285
286    # executable linker values
287    self.setCompilers.pushLanguage(self.languages.clanguage)
288    pcc_linker = self.setCompilers.getLinker()
289    self.addMakeMacro('PCC_LINKER',pcc_linker)
290    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
291    self.setCompilers.popLanguage()
292    # '' for Unix, .exe for Windows
293    self.addMakeMacro('CC_LINKER_SUFFIX','')
294
295    if hasattr(self.compilers, 'FC'):
296      if self.framework.argDB['with-fortran-bindings']:
297        self.addDefine('HAVE_FORTRAN','1')
298      self.setCompilers.pushLanguage('FC')
299      # need FPPFLAGS in config/setCompilers
300      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
301
302      # compiler values
303      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
304      self.setCompilers.popLanguage()
305      # .o or .obj
306      self.addMakeMacro('FC_SUFFIX','o')
307
308      # executable linker values
309      self.setCompilers.pushLanguage('FC')
310      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
311      fc_linker = self.setCompilers.getLinker()
312      if config.setCompilers.Configure.isNAG(fc_linker, self.log):
313        self.addMakeMacro('FC_LINKER',pcc_linker)
314      else:
315        self.addMakeMacro('FC_LINKER',fc_linker)
316      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
317      # apple requires this shared library linker flag on SOME versions of the os
318      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
319        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
320      self.setCompilers.popLanguage()
321
322      # F90 Modules
323      if self.setCompilers.fortranModuleIncludeFlag:
324        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
325      else: # for non-f90 compilers like g77
326        self.addMakeMacro('FC_MODULE_FLAG', '-I')
327      if self.setCompilers.fortranModuleIncludeFlag:
328        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
329    else:
330      self.addMakeMacro('FC','')
331
332    if hasattr(self.compilers, 'CUDAC'):
333      self.setCompilers.pushLanguage('CUDA')
334      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
335      self.setCompilers.popLanguage()
336
337    # shared library linker values
338    self.setCompilers.pushLanguage(self.languages.clanguage)
339    # need to fix BuildSystem to collect these separately
340    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
341    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
342    self.setCompilers.popLanguage()
343    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
344    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
345    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
346      self.addMakeMacro('SL_LINKER_SUFFIX', '')
347      self.addDefine('SLSUFFIX','""')
348    else:
349      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
350      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
351
352    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
353
354#-----------------------------------------------------------------------------------------------------
355
356    # CONLY or CPP. We should change the PETSc makefiles to do this better
357    if self.languages.clanguage == 'C': lang = 'CONLY'
358    else: lang = 'CXXONLY'
359    self.addMakeMacro('PETSC_LANGUAGE',lang)
360
361    # real or complex
362    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
363    # double or float
364    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
365
366    if self.framework.argDB['with-batch']:
367      self.addMakeMacro('PETSC_WITH_BATCH','1')
368
369    # Test for compiler-specific macros that need to be defined.
370    if self.setCompilers.isCrayVector('CC', self.log):
371      self.addDefine('HAVE_CRAY_VECTOR','1')
372
373#-----------------------------------------------------------------------------------------------------
374    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
375      self.addDefine('USE_SOCKET_VIEWER','1')
376      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
377        self.addDefine('HAVE_SO_REUSEADDR','1')
378
379#-----------------------------------------------------------------------------------------------------
380    # print include and lib for makefiles
381    self.framework.packages.reverse()
382    includes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
383    self.packagelibs = []
384    for i in self.framework.packages:
385      if i.useddirectly:
386        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
387      if not isinstance(i.lib, list):
388        i.lib = [i.lib]
389      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
390      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
391      if hasattr(i,'include'):
392        if not isinstance(i.include,list):
393          i.include = [i.include]
394        includes.extend(i.include)
395        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
396    if self.framework.argDB['with-single-library']:
397      self.petsclib = '-lpetsc'
398    else:
399      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
400    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
401    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L'+os.path.join(self.petscdir.dir,self.arch.arch,'lib'), self.petsclib]+self.packagelibs+self.complibs)
402    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
403    if self.framework.argDB['prefix'] and self.setCompilers.CSharedLinkerFlag not in ['-L']:
404      string.replace(self.PETSC_EXTERNAL_LIB_BASIC,self.setCompilers.CSharedLinkerFlag+os.path.join(self.petscdir.dir,self.arch.arch,'lib'),self.setCompilers.CSharedLinkerFlag+os.path.join(self.installdir.dir,'lib'))
405
406    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
407    self.allincludes = self.headers.toStringNoDupes(includes)
408    self.addMakeMacro('PETSC_CC_INCLUDES',self.allincludes)
409    self.PETSC_CC_INCLUDES = self.allincludes
410    if hasattr(self.compilers, 'FC'):
411      if self.compilers.fortranIsF90:
412        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes,includes))
413      else:
414        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes))
415
416    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
417
418    if self.framework.argDB['with-single-library']:
419      # overrides the values set in conf/variables
420      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
421      self.addMakeMacro('SHLIBS','libpetsc')
422      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
423      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
424      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
425      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
426      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
427      self.addDefine('USE_SINGLE_LIBRARY', '1')
428      if self.sharedlibraries.useShared:
429        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
430        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
431        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
432        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
433        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
434        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
435        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
436        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
437        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
438        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
439        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
440      else:
441        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
442        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
449        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
450        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
451        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
452
453    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
454      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
455
456# add a makefile endtry for display
457    if self.framework.argDB['with-display']:
458      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
459
460    # add a makefile entry for configure options
461    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
462    return
463
464  def dumpConfigInfo(self):
465    import time
466    fd = file(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
467    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
468    fd.close()
469    return
470
471  def dumpMachineInfo(self):
472    import platform
473    import datetime
474    import time
475    import script
476    def escape(s):
477      return s.replace('"',r'\"').replace(r'\ ',r'\\ ')
478    fd = file(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
479    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
480    fd.write('\"-----------------------------------------\\n\"\n')
481    buildhost = platform.node()
482    if os.environ.get('SOURCE_DATE_EPOCH'):
483      buildhost = "reproducible"
484    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
485    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
486    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
487    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
488    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
489    fd.write('\"-----------------------------------------\\n\";\n')
490    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
491    self.setCompilers.pushLanguage(self.languages.clanguage)
492    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
493    self.setCompilers.popLanguage()
494    if hasattr(self.compilers, 'FC'):
495      self.setCompilers.pushLanguage('FC')
496      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
497      self.setCompilers.popLanguage()
498    fd.write('\"-----------------------------------------\\n\";\n')
499    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
500    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES).replace(self.petscdir.dir,self.installdir.petscDir).replace(self.arch.arch,self.installdir.petscArch)))
501    fd.write('\"-----------------------------------------\\n\";\n')
502    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
503    self.setCompilers.pushLanguage(self.languages.clanguage)
504    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
505    self.setCompilers.popLanguage()
506    if hasattr(self.compilers, 'FC'):
507      self.setCompilers.pushLanguage('FC')
508      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
509      self.setCompilers.popLanguage()
510    fd.write('\"Using libraries: %s%s -L%s %s %s\\n\"\n' % (escape(self.setCompilers.CSharedLinkerFlag), escape(os.path.join(self.installdir.petscDir, self.installdir.petscArch, 'lib')), escape(os.path.join(self.installdir.petscDir, self.installdir.petscArch, 'lib')), escape(self.petsclib), escape(self.PETSC_EXTERNAL_LIB_BASIC)))
511    fd.write('\"-----------------------------------------\\n\";\n')
512    fd.close()
513    return
514
515  def dumpCMakeConfig(self):
516    '''
517    Writes configuration-specific values to ${PETSC_ARCH}/lib/petsc/conf/PETScBuildInternal.cmake.
518    This file is private to PETSc and should not be included by third parties
519    (a suitable file can be produced later by CMake, but this is not it).
520    '''
521    def cmakeset(fd,key,val=True):
522      if val == True: val = 'YES'
523      if val == False: val = 'NO'
524      fd.write('set (' + key + ' ' + val + ')\n')
525    def ensurelist(a):
526      if isinstance(a,list):
527        return a
528      else:
529        return [a]
530    def libpath(lib):
531      'Returns a search path if that is what this item provides, else "" which will be cleaned out later'
532      if not isinstance(lib,str): return ''
533      if lib.startswith('-L'): return lib[2:]
534      if lib.startswith('-R'): return lib[2:]
535      if lib.startswith('-Wl,-rpath,'):
536        # This case occurs when an external package needs a specific system library that is normally provided by the compiler.
537        # In other words, the -L path is builtin to the wrapper or compiler, here we provide it so that CMake can locate the
538        # corresponding library.
539        return lib[len('-Wl,-rpath,'):]
540      if lib.startswith('-'): return ''
541      return os.path.dirname(lib)
542    def cleanlib(lib):
543      'Returns a library name if that is what this item provides, else "" which will be cleaned out later'
544      if not isinstance(lib,str): return ''
545      if lib.startswith('-l'):  return lib[2:]
546      if lib.startswith('-Wl') or lib.startswith('-L'): return ''
547      lib = os.path.splitext(os.path.basename(lib))[0]
548      if lib.startswith('lib'): return lib[3:]
549      return lib
550    def nub(lst):
551      'Return a list containing the first occurrence of each unique element'
552      unique = []
553      for elem in lst:
554        if elem not in unique and elem != '':
555          unique.append(elem)
556      return unique
557    try: reversed # reversed was added in Python-2.4
558    except NameError:
559      def reversed(lst): return lst[::-1]
560    def nublast(lst):
561      'Return a list containing the last occurrence of each unique entry in a list'
562      return reversed(nub(reversed(lst)))
563    def cmakeexpand(varname):
564      return r'"${' + varname + r'}"'
565    def uniqextend(lst,new):
566      for x in ensurelist(new):
567        if x not in lst:
568          lst.append(x)
569    def notstandardinclude(path):
570      return path not in '/usr/include'.split() # /usr/local/include is not automatically included on FreeBSD
571    def writeMacroDefinitions(fd):
572      if self.mpi.usingMPIUni:
573        cmakeset(fd,'PETSC_HAVE_MPIUNI')
574      for pkg in self.framework.packages:
575        if pkg.useddirectly:
576          cmakeset(fd,'PETSC_HAVE_' + pkg.PACKAGE.replace('-','_'))
577        for pair in pkg.defines.items():
578          if pair[0].startswith('HAVE_') and pair[1]:
579            cmakeset(fd, self.framework.getFullDefineName(pkg, pair[0]), pair[1])
580      for name,val in self.functions.defines.items():
581        cmakeset(fd,'PETSC_'+name,val)
582      for dct in [self.defines, self.libraryoptions.defines]:
583        for k,v in dct.items():
584          if k.startswith('USE_'):
585            cmakeset(fd,'PETSC_' + k, v)
586      cmakeset(fd,'PETSC_USE_COMPLEX', self.scalartypes.scalartype == 'complex')
587      cmakeset(fd,'PETSC_USE_REAL_' + self.scalartypes.precision.upper())
588      cmakeset(fd,'PETSC_CLANGUAGE_'+self.languages.clanguage)
589      if hasattr(self.compilers, 'FC'):
590        cmakeset(fd,'PETSC_HAVE_FORTRAN')
591        if self.compilers.fortranIsF90:
592          cmakeset(fd,'PETSC_USING_F90')
593        if self.compilers.fortranIsF2003:
594          cmakeset(fd,'PETSC_USING_F2003')
595      if hasattr(self.compilers, 'CXX'):
596        cmakeset(fd,'PETSC_HAVE_CXX')
597      if self.sharedlibraries.useShared:
598        cmakeset(fd,'BUILD_SHARED_LIBS')
599    def writeBuildFlags(fd):
600      def extendby(lib):
601        libs = ensurelist(lib)
602        lib_paths.extend(map(libpath,libs))
603        lib_libs.extend(map(cleanlib,libs))
604      lib_paths = []
605      lib_libs  = []
606      includes  = []
607      libvars   = []
608      for pkg in self.framework.packages:
609        if pkg.linkedbypetsc:
610          extendby(pkg.lib)
611          uniqextend(includes,pkg.include)
612      extendby(self.libraries.math)
613      extendby(self.libraries.rt)
614      extendby(self.compilers.flibs)
615      extendby(self.compilers.cxxlibs)
616      extendby(self.compilers.LIBS.split())
617      for libname in nublast(lib_libs):
618        libvar = 'PETSC_' + libname.upper() + '_LIB'
619        addpath = ''
620        for lpath in nublast(lib_paths):
621          addpath += '"' + str(lpath) + '" '
622        fd.write('find_library (' + libvar + ' ' + libname + ' HINTS ' + addpath + ')\n')
623        libvars.append(libvar)
624      fd.write('mark_as_advanced (' + ' '.join(libvars) + ')\n')
625      fd.write('set (PETSC_PACKAGE_LIBS ' + ' '.join(map(cmakeexpand,libvars)) + ')\n')
626      includes = filter(notstandardinclude,includes)
627      fd.write('set (PETSC_PACKAGE_INCLUDES ' + ' '.join(map(lambda i: '"'+i+'"',includes)) + ')\n')
628    fd = open(os.path.join(self.arch.arch,'lib','petsc','conf','PETScBuildInternal.cmake'), 'w')
629    writeMacroDefinitions(fd)
630    writeBuildFlags(fd)
631    fd.close()
632    return
633
634  def dumpCMakeLists(self):
635    import sys
636    if sys.version_info >= (2,4):
637      import cmakegen
638      try:
639        cmakegen.main(self.petscdir.dir, log=self.framework.log)
640      except (OSError) as e:
641        self.framework.logPrint('Generating CMakeLists.txt failed:\n' + str(e))
642    else:
643      self.framework.logPrint('Skipping cmakegen due to old python version: ' +str(sys.version_info) )
644
645  def cmakeBoot(self):
646    import sys
647    self.cmakeboot_success = False
648    if sys.version_info >= (2,4) and hasattr(self.cmake,'cmake'):
649      oldRead = self.argDB.readonly
650      self.argDB.readonly = True
651      try:
652        import cmakeboot
653        self.cmakeboot_success = cmakeboot.main(petscdir=self.petscdir.dir,petscarch=self.arch.arch,argDB=self.argDB,framework=self.framework,log=self.framework.log)
654      except (OSError) as e:
655        self.framework.logPrint('Booting CMake in PETSC_ARCH failed:\n' + str(e))
656      except (ImportError, KeyError) as e:
657        self.framework.logPrint('Importing cmakeboot failed:\n' + str(e))
658      self.argDB.readonly = oldRead
659      if self.cmakeboot_success:
660        if hasattr(self.compilers, 'FC') and self.compilers.fortranIsF90 and not self.setCompilers.fortranModuleOutputFlag:
661          self.framework.logPrint('CMake configured successfully, but could not be used by default because of missing fortranModuleOutputFlag\n')
662        else:
663          self.framework.logPrint('CMake configured successfully, using as default build\n')
664          self.addMakeMacro('PETSC_BUILD_USING_CMAKE',1)
665      else:
666        self.framework.logPrint('CMake configuration was unsuccessful\n')
667    else:
668      self.framework.logPrint('Skipping cmakeboot due to old python version: ' +str(sys.version_info) )
669    return
670
671  def configurePrefetch(self):
672    '''Sees if there are any prefetch functions supported'''
673    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
674      self.addDefine('Prefetch(a,b,c)', ' ')
675      return
676    self.pushLanguage(self.languages.clanguage)
677    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
678      # The Intel Intrinsics manual [1] specifies the prototype
679      #
680      #   void _mm_prefetch(char const *a, int sel);
681      #
682      # but other vendors seem to insist on using subtly different
683      # prototypes, including void* for the pointer, and an enum for
684      # sel.  These are both reasonable changes, but negatively impact
685      # portability.
686      #
687      # [1] http://software.intel.com/file/6373
688      self.addDefine('HAVE_XMMINTRIN_H', 1)
689      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
690      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
691      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
692      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
693      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
694    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
695      self.addDefine('HAVE_XMMINTRIN_H', 1)
696      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
697      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
698      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
699      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
700      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
701    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
702      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
703      #
704      #   The value of rw is a compile-time constant one or zero; one
705      #   means that the prefetch is preparing for a write to the memory
706      #   address and zero, the default, means that the prefetch is
707      #   preparing for a read. The value locality must be a compile-time
708      #   constant integer between zero and three. A value of zero means
709      #   that the data has no temporal locality, so it need not be left
710      #   in the cache after the access. A value of three means that the
711      #   data has a high degree of temporal locality and should be left
712      #   in all levels of cache possible. Values of one and two mean,
713      #   respectively, a low or moderate degree of temporal locality.
714      #
715      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
716      # hints.  Using macros for these values in necessary since some
717      # compilers require an enum.
718      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
719      self.addDefine('PREFETCH_HINT_NTA', '0')
720      self.addDefine('PREFETCH_HINT_T0',  '3')
721      self.addDefine('PREFETCH_HINT_T1',  '2')
722      self.addDefine('PREFETCH_HINT_T2',  '1')
723    else:
724      self.addDefine('Prefetch(a,b,c)', ' ')
725    self.popLanguage()
726
727  def configureAtoll(self):
728    '''Checks if atoll exists'''
729    if self.checkLink('#define _POSIX_C_SOURCE 200112L\n#include <stdlib.h>','long v = atoll("25")') or self.checkLink ('#include <stdlib.h>','long v = atoll("25")'):
730       self.addDefine('HAVE_ATOLL', '1')
731
732  def configureUnused(self):
733    '''Sees if __attribute((unused)) is supported'''
734    if self.framework.argDB['with-ios']:
735      self.addDefine('UNUSED', ' ')
736      return
737    self.pushLanguage(self.languages.clanguage)
738    if self.checkLink('__attribute((unused)) static int myfunc(__attribute((unused)) void *name){ return 1;}', 'int i = 0;\nint j = myfunc(&i);\ntypedef void* atype;\n__attribute((unused))  atype a;\n'):
739      self.addDefine('UNUSED', '__attribute((unused))')
740    else:
741      self.addDefine('UNUSED', ' ')
742    self.popLanguage()
743
744  def configureIsatty(self):
745    '''Check if the Unix C function isatty() works correctly
746       Actually just assumes it does not work correctly on batch systems'''
747    if not self.framework.argDB['with-batch']:
748      self.addDefine('USE_ISATTY',1)
749
750  def configureDeprecated(self):
751    '''Check if __attribute((deprecated)) is supported'''
752    self.pushLanguage(self.languages.clanguage)
753    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
754    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
755    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
756    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
757    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
758    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
759    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
760    ## why we can't have nice things.
761    #
762    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
763    #   self.addDefine('DEPRECATED(why)', '__attribute((deprecated(why)))')
764    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
765      self.addDefine('DEPRECATED(why)', '__attribute((deprecated))')
766    else:
767      self.addDefine('DEPRECATED(why)', ' ')
768    self.popLanguage()
769
770  def configureAlign(self):
771    '''Check if __attribute(align) is supported'''
772    filename = 'conftestalign'
773    includes = '''
774#include <sys/types.h>
775#if STDC_HEADERS
776#include <stdlib.h>
777#include <stdio.h>
778#include <stddef.h>
779#endif\n'''
780    body     = '''
781struct mystruct {int myint;} __attribute((aligned(16)));
782FILE *f = fopen("'''+filename+'''", "w");
783if (!f) exit(1);
784fprintf(f, "%lu\\n", (unsigned long)sizeof(struct mystruct));
785'''
786    if 'known-has-attribute-aligned' in self.argDB:
787      if self.argDB['known-has-attribute-aligned']:
788        size = 16
789      else:
790        size = -3
791    elif not self.argDB['with-batch']:
792      self.pushLanguage(self.languages.clanguage)
793      try:
794        if self.checkRun(includes, body) and os.path.exists(filename):
795          f    = file(filename)
796          size = int(f.read())
797          f.close()
798          os.remove(filename)
799        else:
800          size = -4
801      except:
802        size = -1
803        self.framework.logPrint('Error checking attribute(aligned)')
804      self.popLanguage()
805    else:
806      self.framework.addBatchInclude(['#include <stdlib.h>', '#include <stdio.h>', '#include <sys/types.h>','struct mystruct {int myint;} __attribute((aligned(16)));'])
807      self.framework.addBatchBody('fprintf(output, "  \'--known-has-attribute-aligned=%d\',\\n", sizeof(struct mystruct)==16);')
808      size = -2
809    if size == 16:
810      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned (size)))')
811      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
812    else:
813      self.framework.logPrint('incorrect alignment. Found alignment:'+ str(size))
814      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
815    return
816
817  def configureExpect(self):
818    '''Sees if the __builtin_expect directive is supported'''
819    self.pushLanguage(self.languages.clanguage)
820    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
821      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
822    self.popLanguage()
823
824  def configureFunctionName(self):
825    '''Sees if the compiler supports __func__ or a variant.'''
826    def getFunctionName(lang):
827      name = '"unknown"'
828      self.pushLanguage(lang)
829      for fname in ['__func__','__FUNCTION__']:
830        code = "if ("+fname+"[0] != 'm') return 1;"
831        if self.checkCompile('',code) and self.checkLink('',code):
832          name = fname
833          break
834      self.popLanguage()
835      return name
836    langs = []
837
838    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
839    if hasattr(self.compilers, 'CXX'):
840      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
841
842  def configureIntptrt(self):
843    '''Determine what to use for uintptr_t'''
844    def staticAssertSizeMatchesVoidStar(inc,typename):
845      # The declaration is an error if either array size is negative.
846      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
847      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
848                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
849    self.pushLanguage(self.languages.clanguage)
850    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
851      self.addDefine('UINTPTR_T', 'uintptr_t')
852    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
853      self.addDefine('UINTPTR_T', 'unsigned long long')
854    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
855      self.addDefine('UINTPTR_T', 'size_t')
856    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
857      self.addDefine('UINTPTR_T', 'unsigned long')
858    elif staticAssertSizeMatchesVoidStar('','unsigned'):
859      self.addDefine('UINTPTR_T', 'unsigned')
860    else:
861      raise RuntimeError('Could not find any unsigned integer type matching void*')
862    self.popLanguage()
863
864  def configureRTLDDefault(self):
865    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
866      self.addDefine('RTLD_DEFAULT','1')
867    return
868
869  def configureSolaris(self):
870    '''Solaris specific stuff'''
871    if os.path.isdir(os.path.join('/usr','ucblib')):
872      try:
873        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
874      except AttributeError:
875        flag = None
876      if flag is None:
877        self.compilers.LIBS += ' -L/usr/ucblib'
878      else:
879        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
880    return
881
882  def configureLinux(self):
883    '''Linux specific stuff'''
884    # TODO: Test for this by mallocing an odd number of floats and checking the address
885    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
886    return
887
888  def configureWin32(self):
889    '''Win32 non-cygwin specific stuff'''
890    kernel32=0
891    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
892      self.addDefine('HAVE_WINDOWS_H',1)
893      self.addDefine('HAVE_GETCOMPUTERNAME',1)
894      kernel32=1
895    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
896      self.addDefine('HAVE_WINDOWS_H',1)
897      self.addDefine('HAVE_GETCOMPUTERNAME',1)
898      kernel32=1
899    if kernel32:
900      if self.framework.argDB['with-windows-graphics']:
901        self.addDefine('USE_WINDOWS_GRAPHICS',1)
902      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
903        self.addDefine('HAVE_LOADLIBRARY',1)
904      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
905        self.addDefine('HAVE_GETPROCADDRESS',1)
906      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
907        self.addDefine('HAVE_FREELIBRARY',1)
908      if self.checkLink('#include <Windows.h>','GetLastError()'):
909        self.addDefine('HAVE_GETLASTERROR',1)
910      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
911        self.addDefine('HAVE_SETLASTERROR',1)
912      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
913        self.addDefine('USE_MICROSOFT_TIME',1)
914    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
915      self.addDefine('HAVE_GET_USER_NAME',1)
916    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
917      self.addDefine('HAVE_GET_USER_NAME',1)
918
919    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
920      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
921    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
922      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
923
924    self.types.check('int32_t', 'int')
925    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
926      self.addTypedef('int', 'uid_t')
927      self.addTypedef('int', 'gid_t')
928    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
929      self.framework.addDefine('R_OK', '04')
930      self.framework.addDefine('W_OK', '02')
931      self.framework.addDefine('X_OK', '01')
932    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
933      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
934      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
935    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
936      self.addDefine('HAVE_LARGE_INTEGER_U',1)
937
938    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
939    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
940      self.addDefine('HAVE_O_BINARY',1)
941
942    if self.compilers.CC.find('win32fe') >= 0:
943      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
944      self.addDefine('PATH_SEPARATOR','\';\'')
945      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
946      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
947      self.addDefine('CANNOT_START_DEBUGGER',1)
948      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
949      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
950      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
951      self.addMakeMacro('wPETSC_DIR',petscdir)
952    else:
953      self.addDefine('PATH_SEPARATOR','\':\'')
954      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
955      self.addDefine('DIR_SEPARATOR','\'/\'')
956      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
957      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
958    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
959    return
960
961#-----------------------------------------------------------------------------------------------------
962  def configureCygwinBrokenPipe(self):
963    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
964    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
965    if config.setCompilers.Configure.isCygwin(self.log):
966      import platform
967      import re
968      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
969      m=r.match(platform.release())
970      major=int(m.group(1))
971      minor=int(m.group(2))
972      subminor=int(m.group(3))
973      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
974        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
975    return
976
977#-----------------------------------------------------------------------------------------------------
978  def configureDefaultArch(self):
979    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
980    if self.framework.argDB['with-default-arch']:
981      fd = file(conffile, 'w')
982      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
983      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
984      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
985      fd.close()
986      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
987    elif os.path.isfile(conffile):
988      try:
989        os.unlink(conffile)
990      except:
991        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
992    return
993
994#-----------------------------------------------------------------------------------------------------
995  def configureScript(self):
996    '''Output a script in the conf directory which will reproduce the configuration'''
997    import nargs
998    import sys
999    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
1000    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
1001    if 'with-clean' in args:
1002      del args['with-clean']
1003    if 'configModules' in args:
1004      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
1005        del args['configModules']
1006    if 'optionsModule' in args:
1007      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
1008        del args['optionsModule']
1009    if not 'PETSC_ARCH' in args:
1010      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
1011    f = file(scriptName, 'w')
1012    f.write('#!'+sys.executable+'\n')
1013    f.write('if __name__ == \'__main__\':\n')
1014    f.write('  import sys\n')
1015    f.write('  import os\n')
1016    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
1017    f.write('  import configure\n')
1018    # pretty print repr(args.values())
1019    f.write('  configure_options = [\n')
1020    for itm in sorted(args.values()):
1021      f.write('    \''+str(itm)+'\',\n')
1022    f.write('  ]\n')
1023    f.write('  configure.petsc_configure(configure_options)\n')
1024    f.close()
1025    try:
1026      os.chmod(scriptName, 0o775)
1027    except OSError as e:
1028      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
1029    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
1030    return
1031
1032  def configureInstall(self):
1033    '''Setup the directories for installation'''
1034    if self.framework.argDB['prefix']:
1035      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do:"',\
1036                                              '-@echo "'+self.installdir.installSudo+'make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
1037                                              '-@echo "========================================="'])
1038    else:
1039      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do:"',\
1040                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',\
1041                                              '-@echo "========================================="'])
1042      return
1043
1044  def configureGCOV(self):
1045    if self.framework.argDB['with-gcov']:
1046      self.addDefine('USE_GCOV','1')
1047    return
1048
1049  def configureFortranFlush(self):
1050    if hasattr(self.compilers, 'FC'):
1051      for baseName in ['flush','flush_']:
1052        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
1053          self.addDefine('HAVE_'+baseName.upper(), 1)
1054          return
1055
1056  def configureViewFromOptions(self):
1057    if not self.framework.argDB['with-viewfromoptions']:
1058      self.addDefine('SKIP_VIEWFROMOPTIONS',1)
1059
1060  def postProcessPackages(self):
1061    postPackages=[]
1062    for i in self.framework.packages:
1063      if hasattr(i,'postProcess'): postPackages.append(i)
1064    if postPackages:
1065      # ctetgen needs petsc conf files. so attempt to create them early
1066      self.framework.dumpConfFiles()
1067      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
1068      for i in postPackages:
1069        if i.name.upper() in ['PFLOTRAN']:
1070          i.postProcess()
1071          postPackages.remove(i)
1072      for i in postPackages: i.postProcess()
1073      for i in postPackages:
1074        if i.installedpetsc:
1075          self.installed = 1
1076          break
1077    return
1078
1079  def configure(self):
1080    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
1081      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
1082    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
1083      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
1084    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
1085      raise RuntimeError('Your --prefix '+self.framework.argDB['prefix']+' has spaces in it; this is not allowed.\n Use a --prefix that does not have spaces in it')
1086    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],os.path.join(self.petscdir.dir,self.arch.arch)):
1087      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
1088    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
1089    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
1090    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
1091    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
1092    if self.libraries.math is None:
1093      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
1094    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
1095      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
1096    self.executeTest(self.configureRTLDDefault)
1097    self.executeTest(self.configurePrefetch)
1098    self.executeTest(self.configureUnused)
1099    self.executeTest(self.configureDeprecated)
1100    self.executeTest(self.configureIsatty)
1101    self.executeTest(self.configureExpect);
1102    self.executeTest(self.configureAlign);
1103    self.executeTest(self.configureFunctionName);
1104    self.executeTest(self.configureIntptrt);
1105    self.executeTest(self.configureSolaris)
1106    self.executeTest(self.configureLinux)
1107    self.executeTest(self.configureWin32)
1108    self.executeTest(self.configureCygwinBrokenPipe)
1109    self.executeTest(self.configureDefaultArch)
1110    self.executeTest(self.configureScript)
1111    self.executeTest(self.configureInstall)
1112    self.executeTest(self.configureGCOV)
1113    self.executeTest(self.configureFortranFlush)
1114    self.executeTest(self.configureAtoll)
1115    self.executeTest(self.configureViewFromOptions)
1116
1117    self.Dump()
1118    self.dumpConfigInfo()
1119    self.dumpMachineInfo()
1120    self.dumpCMakeConfig()
1121    self.dumpCMakeLists()
1122    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
1123    self.framework.storeSubstitutions(self.framework.argDB)
1124    self.framework.argDB['configureCache'] = cPickle.dumps(self.framework)
1125    self.framework.argDB.save(force = True)
1126    self.cmakeBoot()
1127    self.DumpPkgconfig()
1128    self.DumpModule()
1129    self.postProcessPackages()
1130    self.framework.log.write('================================================================================\n')
1131    self.logClear()
1132    return
1133