xref: /petsc/config/PETSc/Configure.py (revision 5fedec97950c19de564efaecd0f125b1a6cb2b20)
1import config.base
2
3import os
4import sys
5import re
6import pickle
7
8class Configure(config.base.Configure):
9  def __init__(self, framework):
10    config.base.Configure.__init__(self, framework)
11    self.headerPrefix = 'PETSC'
12    self.substPrefix  = 'PETSC'
13    self.installed    = 0 # 1 indicates that Configure itself has already compiled and installed PETSc
14    self.found        = 1
15    return
16
17  def __str2__(self):
18    desc = ['  Using GNU make: ' + self.make.make]
19    if not self.installed:
20      desc.append('xxx=========================================================================xxx')
21      desc.append(' Configure stage complete. Now build PETSc libraries with:')
22      desc.append('   %s PETSC_DIR=%s PETSC_ARCH=%s all' % (self.make.make_user, self.petscdir.dir, self.arch.arch))
23      desc.append('xxx=========================================================================xxx')
24    else:
25      desc.append('xxx=========================================================================xxx')
26      desc.append(' Installation complete. You do not need to run make to compile or install the software')
27      desc.append('xxx=========================================================================xxx')
28    return '\n'.join(desc)+'\n'
29
30  def setupHelp(self, help):
31    import nargs
32    help.addArgument('PETSc',  '-prefix=<dir>',                              nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
33    help.addArgument('PETSc',  '-with-prefetch=<bool>',                      nargs.ArgBool(None, 1,'Enable checking for prefetch instructions'))
34    help.addArgument('Windows','-with-windows-graphics=<bool>',              nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
35    help.addArgument('PETSc', '-with-default-arch=<bool>',                   nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
36    help.addArgument('PETSc','-with-single-library=<bool>',                  nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
37    help.addArgument('PETSc','-with-fortran-bindings=<bool>',                nargs.ArgBool(None, 1,'Build PETSc fortran bindings in the library and corresponding module files'))
38    help.addArgument('PETSc', '-with-ios=<bool>',                            nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
39    help.addArgument('PETSc', '-with-display=<x11display>',                  nargs.Arg(None, '', 'Specifiy DISPLAY env variable for use with matlab test)'))
40    help.addArgument('PETSc', '-with-package-scripts=<pyscripts>',           nargs.ArgFileList(None,None,'Specify configure package scripts for user provided packages'))
41    return
42
43  def registerPythonFile(self,filename,directory):
44    ''' Add a python file to the framework and registers its headerprefix, ... externalpackagedir
45        directory is the directory where the file relative to the BuildSystem or config path in python notation with . '''
46    (utilityName, ext) = os.path.splitext(filename)
47    if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
48      if directory: directory = directory+'.'
49      utilityObj                             = self.framework.require(directory+utilityName, self)
50      utilityObj.headerPrefix                = self.headerPrefix
51      utilityObj.archProvider                = self.arch
52      utilityObj.languageProvider            = self.languages
53      utilityObj.installDirProvider          = self.installdir
54      utilityObj.externalPackagesDirProvider = self.externalpackagesdir
55      utilityObj.precisionProvider           = self.scalartypes
56      utilityObj.indexProvider               = self.indexTypes
57      setattr(self, utilityName.lower(), utilityObj)
58      return utilityObj
59    return None
60
61  def setupDependencies(self, framework):
62    config.base.Configure.setupDependencies(self, framework)
63    self.programs      = framework.require('config.programs',           self)
64    self.setCompilers  = framework.require('config.setCompilers',       self)
65    self.compilers     = framework.require('config.compilers',          self)
66    self.arch          = framework.require('PETSc.options.arch',        self.setCompilers)
67    self.petscdir      = framework.require('PETSc.options.petscdir',    self.arch)
68    self.installdir    = framework.require('PETSc.options.installDir',  self)
69    self.dataFilesPath = framework.require('PETSc.options.dataFilesPath',self)
70    self.scalartypes   = framework.require('PETSc.options.scalarTypes', self)
71    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self)
72    self.languages     = framework.require('PETSc.options.languages',   self.setCompilers)
73    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self.compilers)
74    self.types         = framework.require('config.types',              self)
75    self.headers       = framework.require('config.headers',            self)
76    self.functions     = framework.require('config.functions',          self)
77    self.libraries     = framework.require('config.libraries',          self)
78    self.atomics       = framework.require('config.atomics',            self)
79    self.make          = framework.require('config.packages.make',      self)
80    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
81    self.mpi           = framework.require('config.packages.MPI',       self)
82    self.fortran       = framework.require('config.compilersFortran',   self)
83    self.externalpackagesdir = framework.require('PETSc.options.externalpackagesdir',self)
84
85    for utility in sorted(os.listdir(os.path.join('config','PETSc','options'))):
86      self.registerPythonFile(utility,'PETSc.options')
87
88    for utility in sorted(os.listdir(os.path.join('config','BuildSystem','config','utilities'))):
89      self.registerPythonFile(utility,'config.utilities')
90
91    for package in sorted(os.listdir(os.path.join('config', 'BuildSystem', 'config', 'packages'))):
92      obj = self.registerPythonFile(package,'config.packages')
93      if obj:
94        obj.archProvider                = self.framework.requireModule(obj.archProvider, obj)
95        obj.languageProvider            = self.framework.requireModule(obj.languageProvider, obj)
96        obj.installDirProvider          = self.framework.requireModule(obj.installDirProvider, obj)
97        obj.externalPackagesDirProvider = self.framework.requireModule(obj.externalPackagesDirProvider, obj)
98        obj.precisionProvider           = self.framework.requireModule(obj.precisionProvider, obj)
99        obj.indexProvider               = self.framework.requireModule(obj.indexProvider, obj)
100
101    # Force blaslapack and opencl to depend on scalarType so precision is set before BlasLapack is built
102    framework.require('PETSc.options.scalarTypes', self.f2cblaslapack)
103    framework.require('PETSc.options.scalarTypes', self.fblaslapack)
104    framework.require('PETSc.options.scalarTypes', self.blaslapack)
105    framework.require('PETSc.options.scalarTypes', self.opencl)
106
107    self.programs.headerPrefix   = self.headerPrefix
108    self.compilers.headerPrefix  = self.headerPrefix
109    self.fortran.headerPrefix    = self.headerPrefix
110    self.types.headerPrefix      = self.headerPrefix
111    self.headers.headerPrefix    = self.headerPrefix
112    self.functions.headerPrefix  = self.headerPrefix
113    self.libraries.headerPrefix  = self.headerPrefix
114
115    # Register user provided package scripts
116    if 'with-package-scripts' in self.framework.argDB:
117      for script in self.framework.argDB['with-package-scripts']:
118        if os.path.splitext(script)[1] != '.py':
119          raise RuntimeError('Only python scripts compatible with configure package script format should be specified! Invalid option -with-package-scripts='+script)
120        self.framework.logPrint('User is registering a new package script: '+script)
121        dname,fname = os.path.split(script)
122        if dname: sys.path.append(dname)
123        self.registerPythonFile(fname,'')
124
125    # test for a variety of basic headers and functions
126    headersC = map(lambda name: name+'.h',['setjmp','dos','fcntl','float','io','malloc','pwd','strings',
127                                            'unistd','sys/sysinfo','machine/endian','sys/param','sys/procfs','sys/resource',
128                                            'sys/systeminfo','sys/times','sys/utsname',
129                                            'sys/socket','sys/wait','netinet/in','netdb','direct','time','Ws2tcpip','sys/types',
130                                            'WindowsX','float','ieeefp','stdint','pthread','inttypes','immintrin','zmmintrin'])
131    functions = ['access','_access','clock','drand48','getcwd','_getcwd','getdomainname','gethostname',
132                 'getwd','memalign','popen','PXFGETARG','rand','getpagesize',
133                 'readlink','realpath','usleep','sleep','_sleep',
134                 'uname','snprintf','_snprintf','lseek','_lseek','time','fork','stricmp',
135                 'strcasecmp','bzero','dlopen','dlsym','dlclose','dlerror',
136                 '_set_output_format','_mkdir','socket','gethostbyname','_pipe','fpresetsticky','fpsetsticky']
137    libraries = [(['fpe'],'handle_sigfpes')]
138    librariessock = [(['socket','nsl'],'socket')]
139    self.headers.headers.extend(headersC)
140    self.functions.functions.extend(functions)
141    self.libraries.libraries.extend(libraries)
142    if not hasattr(self,'socket'):
143      self.libraries.libraries.extend(librariessock)
144    return
145
146  def DumpPkgconfig(self, petsc_pc):
147    ''' Create a pkg-config file '''
148    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
149      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
150    with open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig',petsc_pc),'w') as fd:
151      cflags_inc = ['-I${includedir}']
152      if self.framework.argDB['prefix']:
153        fd.write('prefix='+self.installdir.dir+'\n')
154      else:
155        fd.write('prefix='+os.path.join(self.petscdir.dir, self.arch.arch)+'\n')
156        cflags_inc.append('-I' + os.path.join(self.petscdir.dir, 'include'))
157      fd.write('exec_prefix=${prefix}\n')
158      fd.write('includedir=${prefix}/include\n')
159      fd.write('libdir=${prefix}/lib\n')
160
161      with self.setCompilers.Language('C'):
162        fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
163        fd.write('cflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
164        fd.write('cflags_dep='+self.compilers.dependenciesGenerationFlag.get('C','')+'\n')
165        fd.write('ldflag_rpath='+self.setCompilers.CSharedLinkerFlag+'\n')
166      if hasattr(self.compilers, 'CXX'):
167        with self.setCompilers.Language('C++'):
168          fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
169          fd.write('cxxflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
170      if hasattr(self.compilers, 'FC'):
171        with self.setCompilers.Language('FC'):
172          fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
173          fd.write('fflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
174      if hasattr(self.compilers, 'CUDAC'):
175        with self.setCompilers.Language('CUDA'):
176          fd.write('cudacompiler='+self.setCompilers.getCompiler()+'\n')
177          fd.write('cudaflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
178          p = self.framework.require('config.packages.cuda')
179          fd.write('cudalib='+self.libraries.toStringNoDupes(p.lib)+'\n')
180          fd.write('cudainclude='+self.headers.toStringNoDupes(p.include)+'\n')
181          if hasattr(self.setCompilers,'CUDA_CXX'):
182            fd.write('cuda_cxx='+self.setCompilers.CUDA_CXX+'\n')
183            fd.write('cuda_cxxflags='+self.setCompilers.CUDA_CXXFLAGS+'\n')
184
185      fd.write('\n')
186      fd.write('Name: PETSc\n')
187      fd.write('Description: Library to solve ODEs and algebraic equations\n')
188      fd.write('Version: %s\n' % self.petscdir.version)
189      fd.write('Cflags: ' + ' '.join([self.setCompilers.CPPFLAGS] + cflags_inc) + '\n')
190      fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
191      # Remove RPATH flags from library list.  User can add them using
192      # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
193      fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
194    return
195
196  def DumpModule(self):
197    ''' Create a module file '''
198    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
199      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
200    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
201      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
202    if self.framework.argDB['prefix']:
203      installdir  = self.installdir.dir
204      installarch = ''
205      installpath = os.path.join(installdir,'bin')
206    else:
207      installdir  = self.petscdir.dir
208      installarch = self.arch.arch
209      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
210    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
211    fd.write('''\
212#%%Module
213
214proc ModulesHelp { } {
215    puts stderr "This module sets the path and environment variables for petsc-%s"
216    puts stderr "     see https://petsc.org/ for more information      "
217    puts stderr ""
218}
219module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
220
221set petsc_dir   "%s"
222set petsc_arch  "%s"
223
224setenv PETSC_ARCH "$petsc_arch"
225setenv PETSC_DIR "$petsc_dir"
226prepend-path PATH "%s"
227''' % (self.petscdir.version, installdir, installarch, installpath))
228    fd.close()
229    return
230
231  def Dump(self):
232    ''' Actually put the values into the configuration files '''
233    # eventually everything between -- should be gone
234    if self.mpi.usingMPIUni:
235      #
236      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
237      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)
238
239    self.logPrintDivider()
240    # Test for compiler-specific macros that need to be defined.
241    if self.setCompilers.isCrayVector('CC', self.log):
242      self.addDefine('HAVE_CRAY_VECTOR','1')
243
244    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
245      self.addDefine('USE_SOCKET_VIEWER','1')
246      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
247        self.addDefine('HAVE_SO_REUSEADDR','1')
248
249    self.logPrintDivider()
250    self.setCompilers.pushLanguage('C')
251    compiler = self.setCompilers.getCompiler()
252    if [s for s in ['mpicc','mpiicc'] if os.path.basename(compiler).find(s)>=0]:
253      try:
254        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
255        compiler = output.split(' ')[0]
256        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n').replace('"','')+'"')
257      except:
258        self.addDefine('MPICC_SHOW','"Unavailable"')
259    else:
260      self.addDefine('MPICC_SHOW','"Unavailable"')
261    self.setCompilers.popLanguage()
262#-----------------------------------------------------------------------------------------------------
263
264    # Sometimes we need C compiler, even if built with C++
265    self.setCompilers.pushLanguage('C')
266    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
267    self.setCompilers.popLanguage()
268
269    # And sometimes we need a C++ compiler even when PETSc is built with C
270    if hasattr(self.compilers, 'CXX'):
271      self.setCompilers.pushLanguage('Cxx')
272      self.addDefine('HAVE_CXX','1')
273      self.addMakeMacro('CXXPP_FLAGS',self.setCompilers.CXXPPFLAGS)
274      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
275      cxx_linker = self.setCompilers.getLinker()
276      self.addMakeMacro('CXX_LINKER',cxx_linker)
277      self.addMakeMacro('CXX_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
278      self.setCompilers.popLanguage()
279
280    # C preprocessor values
281    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
282
283    # compiler values
284    self.setCompilers.pushLanguage(self.languages.clanguage)
285    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
286    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
287    self.setCompilers.popLanguage()
288    # .o or .obj
289    self.addMakeMacro('CC_SUFFIX','o')
290
291    # executable linker values
292    self.setCompilers.pushLanguage(self.languages.clanguage)
293    pcc_linker = self.setCompilers.getLinker()
294    self.addMakeMacro('PCC_LINKER',pcc_linker)
295    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
296    self.setCompilers.popLanguage()
297    # '' for Unix, .exe for Windows
298    self.addMakeMacro('CC_LINKER_SUFFIX','')
299
300    if hasattr(self.compilers, 'FC'):
301      if self.framework.argDB['with-fortran-bindings']:
302        if not self.fortran.fortranIsF90:
303          raise RuntimeError('Error! Fortran compiler "'+self.compilers.FC+'" does not support F90! PETSc fortran bindings require a F90 compiler')
304        self.addDefine('HAVE_FORTRAN','1')
305      self.setCompilers.pushLanguage('FC')
306      # need FPPFLAGS in config/setCompilers
307      self.addMakeMacro('FPP_FLAGS',self.setCompilers.FPPFLAGS)
308
309      # compiler values
310      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
311      self.setCompilers.popLanguage()
312      # .o or .obj
313      self.addMakeMacro('FC_SUFFIX','o')
314
315      # executable linker values
316      self.setCompilers.pushLanguage('FC')
317      self.addMakeMacro('FC_LINKER',self.setCompilers.getLinker())
318      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
319      # apple requires this shared library linker flag on SOME versions of the os
320      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
321        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
322      self.setCompilers.popLanguage()
323
324      # F90 Modules
325      if self.setCompilers.fortranModuleIncludeFlag:
326        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
327      else: # for non-f90 compilers like g77
328        self.addMakeMacro('FC_MODULE_FLAG', '-I')
329      if self.setCompilers.fortranModuleIncludeFlag:
330        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
331    else:
332      self.addMakeMacro('FC','')
333
334    if hasattr(self.compilers, 'CUDAC'):
335      self.setCompilers.pushLanguage('CUDA')
336      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
337      self.addMakeMacro('CUDAPP_FLAGS',self.setCompilers.CUDAPPFLAGS)
338      self.setCompilers.popLanguage()
339
340    if hasattr(self.compilers, 'HIPC'):
341      self.setCompilers.pushLanguage('HIP')
342      self.addMakeMacro('HIPC_FLAGS',self.setCompilers.getCompilerFlags())
343      self.addMakeMacro('HIPPP_FLAGS',self.setCompilers.HIPPPFLAGS)
344      self.setCompilers.popLanguage()
345
346    if hasattr(self.compilers, 'SYCLC'):
347      self.setCompilers.pushLanguage('SYCL')
348      self.addMakeMacro('SYCLC_FLAGS',self.setCompilers.getCompilerFlags())
349      self.addMakeMacro('SYCLPP_FLAGS',self.setCompilers.SYCLPPFLAGS)
350      self.setCompilers.popLanguage()
351
352    # shared library linker values
353    self.setCompilers.pushLanguage(self.languages.clanguage)
354    # need to fix BuildSystem to collect these separately
355    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
356    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
357    self.setCompilers.popLanguage()
358    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
359    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
360    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
361      self.addMakeMacro('SL_LINKER_SUFFIX', '')
362      self.addDefine('SLSUFFIX','""')
363    else:
364      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
365      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
366
367    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
368
369#-----------------------------------------------------------------------------------------------------
370
371    # CONLY or CPP. We should change the PETSc makefiles to do this better
372    if self.languages.clanguage == 'C': lang = 'CONLY'
373    else: lang = 'CXXONLY'
374    self.addMakeMacro('PETSC_LANGUAGE',lang)
375
376    # real or complex
377    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
378    # double or float
379    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
380
381    if self.framework.argDB['with-batch']:
382      self.addMakeMacro('PETSC_WITH_BATCH','1')
383
384#-----------------------------------------------------------------------------------------------------
385    # print include and lib for makefiles
386    self.logPrintDivider()
387    self.framework.packages.reverse()
388    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
389    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
390    includes = []
391    self.packagelibs = []
392    for i in self.framework.packages:
393      if not i.required:
394        if i.devicePackage:
395          self.addDefine('HAVE_DEVICE',1)
396        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
397      if not isinstance(i.lib, list):
398        i.lib = [i.lib]
399      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
400      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
401      if hasattr(i,'include'):
402        if not isinstance(i.include,list):
403          i.include = [i.include]
404        includes.extend(i.include)
405        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
406    if self.framework.argDB['with-single-library']:
407      self.petsclib = '-lpetsc'
408    else:
409      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
410    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
411    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
412    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
413
414    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
415    allincludes = petscincludes + includes
416    allincludes_install = petscincludes_install + includes
417    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
418    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
419    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
420    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
421    if hasattr(self.compilers, 'FC'):
422      def modinc(includes):
423        return includes if self.fortran.fortranIsF90 else []
424      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
425      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
426
427    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
428
429    if self.framework.argDB['with-single-library']:
430      # overrides the values set in conf/variables
431      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
432      self.addMakeMacro('SHLIBS','libpetsc')
433      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
434      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
435      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
436      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
437      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
438      self.addDefine('USE_SINGLE_LIBRARY', '1')
439      if self.sharedlibraries.useShared:
440        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
441        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
442        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
449        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
450        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
451      else:
452        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
453        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
454        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
455        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
456        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
457        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
458        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
459        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
460        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
461        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
462        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
463
464    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
465      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
466
467# add a makefile endtry for display
468    if self.framework.argDB['with-display']:
469      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
470
471    # add a makefile entry for configure options
472    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
473    return
474
475  def dumpConfigInfo(self):
476    import time
477    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
478    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"').replace('\\ ','\\\\ ')+'";\n')
479    fd.close()
480    return
481
482  def dumpMachineInfo(self):
483    import platform
484    import datetime
485    import time
486    import script
487    def escape(s):
488      return s.replace('"',r'\"').replace(r'\ ',r'\\ ') # novermin
489    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
490    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
491    fd.write('\"-----------------------------------------\\n\"\n')
492    buildhost = platform.node()
493    if os.environ.get('SOURCE_DATE_EPOCH'):
494      buildhost = "reproducible"
495    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
496    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
497    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
498    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
499    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
500    fd.write('\"-----------------------------------------\\n\";\n')
501    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
502    self.setCompilers.pushLanguage(self.languages.clanguage)
503    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
504    self.setCompilers.popLanguage()
505    if hasattr(self.compilers, 'FC'):
506      self.setCompilers.pushLanguage('FC')
507      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
508      self.setCompilers.popLanguage()
509    fd.write('\"-----------------------------------------\\n\";\n')
510    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
511    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
512    fd.write('\"-----------------------------------------\\n\";\n')
513    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
514    self.setCompilers.pushLanguage(self.languages.clanguage)
515    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
516    self.setCompilers.popLanguage()
517    if hasattr(self.compilers, 'FC'):
518      self.setCompilers.pushLanguage('FC')
519      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
520      self.setCompilers.popLanguage()
521    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)))
522    fd.write('\"-----------------------------------------\\n\";\n')
523    fd.close()
524    return
525
526  def configurePrefetch(self):
527    '''Sees if there are any prefetch functions supported'''
528    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
529      self.addDefine('Prefetch(a,b,c)', ' ')
530      return
531    self.pushLanguage(self.languages.clanguage)
532    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
533      # The Intel Intrinsics manual [1] specifies the prototype
534      #
535      #   void _mm_prefetch(char const *a, int sel);
536      #
537      # but other vendors seem to insist on using subtly different
538      # prototypes, including void* for the pointer, and an enum for
539      # sel.  These are both reasonable changes, but negatively impact
540      # portability.
541      #
542      # [1] https://software.intel.com/file/6373
543      self.addDefine('HAVE_XMMINTRIN_H', 1)
544      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
545      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
546      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
547      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
548      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
549    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
550      self.addDefine('HAVE_XMMINTRIN_H', 1)
551      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
552      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
553      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
554      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
555      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
556    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
557      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
558      #
559      #   The value of rw is a compile-time constant one or zero; one
560      #   means that the prefetch is preparing for a write to the memory
561      #   address and zero, the default, means that the prefetch is
562      #   preparing for a read. The value locality must be a compile-time
563      #   constant integer between zero and three. A value of zero means
564      #   that the data has no temporal locality, so it need not be left
565      #   in the cache after the access. A value of three means that the
566      #   data has a high degree of temporal locality and should be left
567      #   in all levels of cache possible. Values of one and two mean,
568      #   respectively, a low or moderate degree of temporal locality.
569      #
570      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
571      # hints.  Using macros for these values in necessary since some
572      # compilers require an enum.
573      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
574      self.addDefine('PREFETCH_HINT_NTA', '0')
575      self.addDefine('PREFETCH_HINT_T0',  '3')
576      self.addDefine('PREFETCH_HINT_T1',  '2')
577      self.addDefine('PREFETCH_HINT_T2',  '1')
578    else:
579      self.addDefine('Prefetch(a,b,c)', ' ')
580    self.popLanguage()
581
582  def delGenFiles(self):
583    '''Delete generated files'''
584    delfile = os.path.join(self.arch.arch,'lib','petsc','conf','files')
585    try:
586      os.unlink(delfile)
587    except: pass
588
589  def configureAtoll(self):
590    '''Checks if atoll exists'''
591    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")'):
592       self.addDefine('HAVE_ATOLL', '1')
593
594  def configureUnused(self):
595    '''Sees if __attribute((unused)) is supported'''
596    if self.framework.argDB['with-ios']:
597      self.addDefine('UNUSED', ' ')
598      return
599    self.pushLanguage(self.languages.clanguage)
600    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'):
601      self.addDefine('UNUSED', '__attribute((unused))')
602    else:
603      self.addDefine('UNUSED', ' ')
604    self.popLanguage()
605
606  def configureIsatty(self):
607    '''Check if the Unix C function isatty() works correctly
608       Actually just assumes it does not work correctly on batch systems'''
609    if not self.framework.argDB['with-batch']:
610      self.addDefine('USE_ISATTY',1)
611
612  def configureDeprecated(self):
613    '''Check if __attribute((deprecated)) is supported'''
614    self.pushLanguage(self.languages.clanguage)
615    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
616    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
617    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
618    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
619    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
620    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
621    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
622    ## why we can't have nice things.
623    #
624    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
625    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
626    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
627    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
628      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
629      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
630    else:
631      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
632      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
633    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
634      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
635    else:
636      self.addDefine('DEPRECATED_ENUM(why)', ' ')
637    # I was unable to make a CPP macro that takes the old and new values as separate arguments and builds the message needed by _Pragma
638    # hence the deprecation message is handled as it is
639    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
640      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
641    else:
642      self.addDefine('DEPRECATED_MACRO(why)', ' ')
643    self.popLanguage()
644
645  def configureAlign(self):
646    '''Check if __attribute(aligned) is supported'''
647    code = '''\
648struct mystruct {int myint;} __attribute((aligned(16)));
649char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
650'''
651    self.pushLanguage(self.languages.clanguage)
652    if self.checkCompile(code):
653      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
654      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
655    else:
656      self.framework.logPrint('Incorrect attribute(aligned)')
657      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
658    self.popLanguage()
659    return
660
661  def configureExpect(self):
662    '''Sees if the __builtin_expect directive is supported'''
663    self.pushLanguage(self.languages.clanguage)
664    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
665      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
666    self.popLanguage()
667
668  def configureFunctionName(self):
669    '''Sees if the compiler supports __func__ or a variant.'''
670    def getFunctionName(lang):
671      name = '"unknown"'
672      self.pushLanguage(lang)
673      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
674        code = "if ("+fname+"[0] != 'm') return 1;"
675        if self.checkCompile('',code) and self.checkLink('',code):
676          name = fname
677          break
678      self.popLanguage()
679      return name
680    langs = []
681
682    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
683    if hasattr(self.compilers, 'CXX'):
684      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
685
686  def configureIntptrt(self):
687    '''Determine what to use for uintptr_t'''
688    def staticAssertSizeMatchesVoidStar(inc,typename):
689      # The declaration is an error if either array size is negative.
690      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
691      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
692                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
693    self.pushLanguage(self.languages.clanguage)
694    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
695      self.addDefine('UINTPTR_T', 'uintptr_t')
696    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
697      self.addDefine('UINTPTR_T', 'unsigned long long')
698    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
699      self.addDefine('UINTPTR_T', 'size_t')
700    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
701      self.addDefine('UINTPTR_T', 'unsigned long')
702    elif staticAssertSizeMatchesVoidStar('','unsigned'):
703      self.addDefine('UINTPTR_T', 'unsigned')
704    else:
705      raise RuntimeError('Could not find any unsigned integer type matching void*')
706    self.popLanguage()
707
708  def configureRTLDDefault(self):
709    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
710      self.addDefine('RTLD_DEFAULT','1')
711    return
712
713  def configureSolaris(self):
714    '''Solaris specific stuff'''
715    if os.path.isdir(os.path.join('/usr','ucblib')):
716      try:
717        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
718      except AttributeError:
719        flag = None
720      if flag is None:
721        self.compilers.LIBS += ' -L/usr/ucblib'
722      else:
723        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
724    return
725
726  def configureLinux(self):
727    '''Linux specific stuff'''
728    # TODO: Test for this by mallocing an odd number of floats and checking the address
729    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
730    return
731
732  def configureWin32(self):
733    '''Win32 non-cygwin specific stuff'''
734    kernel32=0
735    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
736      self.addDefine('HAVE_WINDOWS_H',1)
737      self.addDefine('HAVE_GETCOMPUTERNAME',1)
738      kernel32=1
739    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
740      self.addDefine('HAVE_WINDOWS_H',1)
741      self.addDefine('HAVE_GETCOMPUTERNAME',1)
742      kernel32=1
743    if kernel32:
744      if self.framework.argDB['with-windows-graphics']:
745        self.addDefine('USE_WINDOWS_GRAPHICS',1)
746      if self.checkLink('#include <windows.h>','LoadLibrary(0)'):
747        self.addDefine('HAVE_LOADLIBRARY',1)
748      if self.checkLink('#include <windows.h>','GetProcAddress(0,0)'):
749        self.addDefine('HAVE_GETPROCADDRESS',1)
750      if self.checkLink('#include <windows.h>','FreeLibrary(0)'):
751        self.addDefine('HAVE_FREELIBRARY',1)
752      if self.checkLink('#include <windows.h>','GetLastError()'):
753        self.addDefine('HAVE_GETLASTERROR',1)
754      if self.checkLink('#include <windows.h>','SetLastError(0)'):
755        self.addDefine('HAVE_SETLASTERROR',1)
756      if self.checkLink('#include <windows.h>\n','QueryPerformanceCounter(0);\n'):
757        self.addDefine('USE_MICROSOFT_TIME',1)
758    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
759      self.addDefine('HAVE_GET_USER_NAME',1)
760    elif self.libraries.add('advapi32','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
761      self.addDefine('HAVE_GET_USER_NAME',1)
762
763    if not self.libraries.add('User32.lib','GetDC',prototype='#include <windows.h>',call='GetDC(0);'):
764      self.libraries.add('user32','GetDC',prototype='#include <windows.h>',call='GetDC(0);')
765    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);'):
766      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);')
767
768    self.types.check('int32_t', 'int')
769    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
770      self.addTypedef('int', 'uid_t')
771      self.addTypedef('int', 'gid_t')
772    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
773      self.framework.addDefine('R_OK', '04')
774      self.framework.addDefine('W_OK', '02')
775      self.framework.addDefine('X_OK', '01')
776    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
777      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
778      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
779    if self.checkCompile('#include <windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
780      self.addDefine('HAVE_LARGE_INTEGER_U',1)
781
782    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
783    if self.checkCompile('#include <windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
784      self.addDefine('HAVE_O_BINARY',1)
785
786    if self.compilers.CC.find('win32fe') >= 0:
787      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
788      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
789      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
790      self.addDefine('CANNOT_START_DEBUGGER',1)
791      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
792      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
793      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
794      self.addMakeMacro('wPETSC_DIR',petscdir)
795      if self.dataFilesPath.datafilespath:
796        (datafilespath,error,status) = self.executeShellCommand('cygpath -m '+self.dataFilesPath.datafilespath, log = self.log)
797        self.addMakeMacro('DATAFILESPATH',datafilespath)
798
799    else:
800      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
801      self.addDefine('DIR_SEPARATOR','\'/\'')
802      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
803      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
804      if self.dataFilesPath.datafilespath:
805        self.addMakeMacro('DATAFILESPATH',self.dataFilesPath.datafilespath)
806    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
807    return
808
809#-----------------------------------------------------------------------------------------------------
810  def configureCygwinBrokenPipe(self):
811    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
812    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
813    if config.setCompilers.Configure.isCygwin(self.log):
814      import platform
815      import re
816      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
817      m=r.match(platform.release())
818      major=int(m.group(1))
819      minor=int(m.group(2))
820      subminor=int(m.group(3))
821      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
822        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
823    return
824
825#-----------------------------------------------------------------------------------------------------
826  def configureDefaultArch(self):
827    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
828    if self.framework.argDB['with-default-arch']:
829      fd = open(conffile, 'w')
830      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
831      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
832      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
833      fd.close()
834      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
835    elif os.path.isfile(conffile):
836      try:
837        os.unlink(conffile)
838      except:
839        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
840    return
841
842#-----------------------------------------------------------------------------------------------------
843  def configureScript(self):
844    '''Output a script in the conf directory which will reproduce the configuration'''
845    import nargs
846    import sys
847    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
848    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
849    if 'with-clean' in args:
850      del args['with-clean']
851    if 'force' in args:
852      del args['force']
853    if 'configModules' in args:
854      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
855        del args['configModules']
856    if 'optionsModule' in args:
857      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
858        del args['optionsModule']
859    if not 'PETSC_ARCH' in args:
860      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
861    f = open(scriptName, 'w')
862    f.write('#!'+sys.executable+'\n')
863    f.write('if __name__ == \'__main__\':\n')
864    f.write('  import sys\n')
865    f.write('  import os\n')
866    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
867    f.write('  import configure\n')
868    # pretty print repr(args.values())
869    f.write('  configure_options = [\n')
870    for itm in sorted(args.values()):
871      f.write('    \''+str(itm)+'\',\n')
872    f.write('  ]\n')
873    f.write('  configure.petsc_configure(configure_options)\n')
874    f.close()
875    try:
876      os.chmod(scriptName, 0o775)
877    except OSError as e:
878      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
879    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
880    return
881
882  def configureInstall(self):
883    '''Setup the directories for installation'''
884    if self.framework.argDB['prefix']:
885      self.addMakeRule('print_mesg_after_build','',
886       ['-@echo "========================================="',
887        '-@echo "Now to install the libraries do:"',
888        '-@echo "%s${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"' % self.installdir.installSudo,
889        '-@echo "========================================="'])
890    else:
891      self.addMakeRule('print_mesg_after_build','',
892       ['-@echo "========================================="',
893        '-@echo "Now to check if the libraries are working do:"',
894        '-@echo "${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',
895        '-@echo "========================================="'])
896      return
897
898  def configureGCOV(self):
899    if self.framework.argDB['with-gcov']:
900      self.addDefine('USE_GCOV','1')
901    return
902
903  def postProcessPackages(self):
904    postPackages=[]
905    for i in self.framework.packages:
906      if hasattr(i,'postProcess'): postPackages.append(i)
907    if postPackages:
908      # ctetgen needs petsc conf files. so attempt to create them early
909      self.framework.dumpConfFiles()
910      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
911      for i in postPackages:
912        if i.name.upper() in ['PFLOTRAN']:
913          i.postProcess()
914          postPackages.remove(i)
915      for i in postPackages: i.postProcess()
916      for i in postPackages:
917        if i.installedpetsc:
918          self.installed = 1
919          break
920    return
921
922  def configure(self):
923    if 'package-prefix-hash' in self.argDB:
924      # turn off prefix if it was only used to for installing external packages.
925      self.framework.argDB['prefix'] = ''
926      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
927      self.installdir.dir = self.dir
928      self.installdir.petscDir = self.petscdir.dir
929      self.petscDir = self.petscdir.dir
930      self.petscArch = self.arch.arch
931      self.addMakeMacro('PREFIXDIR',self.dir)
932      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
933
934    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
935      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
936    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
937      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
938    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
939      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')
940    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)):
941      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
942    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
943    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
944    self.framework.poisonheader    = os.path.join(self.arch.arch,'include','petscconf_poison.h')
945    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
946    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
947    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
948    if self.libraries.math is None:
949      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
950    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
951      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
952    self.executeTest(self.configureRTLDDefault)
953    self.executeTest(self.configurePrefetch)
954    self.executeTest(self.configureUnused)
955    self.executeTest(self.configureDeprecated)
956    self.executeTest(self.configureIsatty)
957    self.executeTest(self.configureExpect)
958    self.executeTest(self.configureAlign)
959    self.executeTest(self.configureFunctionName)
960    self.executeTest(self.configureIntptrt)
961    self.executeTest(self.configureSolaris)
962    self.executeTest(self.configureLinux)
963    self.executeTest(self.configureWin32)
964    self.executeTest(self.configureCygwinBrokenPipe)
965    self.executeTest(self.configureDefaultArch)
966    self.executeTest(self.configureScript)
967    self.executeTest(self.configureInstall)
968    self.executeTest(self.configureGCOV)
969    self.executeTest(self.configureAtoll)
970
971    self.Dump()
972    self.dumpConfigInfo()
973    self.dumpMachineInfo()
974    self.delGenFiles()
975    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
976    self.framework.storeSubstitutions(self.framework.argDB)
977    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
978    self.framework.argDB.save(force = True)
979    self.DumpPkgconfig('PETSc.pc')
980    self.DumpPkgconfig('petsc.pc')
981    self.DumpModule()
982    self.postProcessPackages()
983    self.framework.log.write('================================================================================\n')
984    self.logClear()
985    return
986