xref: /petsc/config/PETSc/Configure.py (revision 030f984af8d8bb4c203755d35bded3c05b3d83ce)
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    return
15
16  def __str2__(self):
17    desc = ['  Using GNU make: ' + self.make.make]
18    if not self.installed:
19      desc.append('xxx=========================================================================xxx')
20      desc.append(' Configure stage complete. Now build PETSc libraries with:')
21      desc.append('   %s PETSC_DIR=%s PETSC_ARCH=%s all' % (self.make.make_user, self.petscdir.dir, self.arch.arch))
22      desc.append('xxx=========================================================================xxx')
23    else:
24      desc.append('xxx=========================================================================xxx')
25      desc.append(' Installation complete. You do not need to run make to compile or install the software')
26      desc.append('xxx=========================================================================xxx')
27    return '\n'.join(desc)+'\n'
28
29  def setupHelp(self, help):
30    import nargs
31    help.addArgument('PETSc',  '-prefix=<dir>',                              nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
32    help.addArgument('PETSc',  '-with-prefetch=<bool>',                      nargs.ArgBool(None, 1,'Enable checking for prefetch instructions'))
33    help.addArgument('Windows','-with-windows-graphics=<bool>',              nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
34    help.addArgument('PETSc', '-with-default-arch=<bool>',                   nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
35    help.addArgument('PETSc','-with-single-library=<bool>',                  nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
36    help.addArgument('PETSc','-with-fortran-bindings=<bool>',                nargs.ArgBool(None, 1,'Build PETSc fortran bindings in the library and corresponding module files'))
37    help.addArgument('PETSc', '-with-ios=<bool>',                            nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
38    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'))
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')+'"')
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.addMakeMacro('PCPP_FLAGS',getattr(self.setCompilers,self.languages.clanguage.upper()+'PPFLAGS'))
288    self.addMakeMacro('PFLAGS','${'+self.languages.clanguage.upper()+'FLAGS}')
289    self.addMakeMacro('PPPFLAGS','${'+self.languages.clanguage.upper()+'PPFLAGS}')
290    # ugly work-around for python3 distutils parse_makefile() issue with the above 2 lines
291    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'FLAGS','')
292    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'PPFLAGS','')
293    self.setCompilers.popLanguage()
294    # .o or .obj
295    self.addMakeMacro('CC_SUFFIX','o')
296
297    # executable linker values
298    self.setCompilers.pushLanguage(self.languages.clanguage)
299    pcc_linker = self.setCompilers.getLinker()
300    self.addMakeMacro('PCC_LINKER',pcc_linker)
301    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
302    self.setCompilers.popLanguage()
303    # '' for Unix, .exe for Windows
304    self.addMakeMacro('CC_LINKER_SUFFIX','')
305
306    if hasattr(self.compilers, 'FC'):
307      if self.framework.argDB['with-fortran-bindings']:
308        if not self.fortran.fortranIsF90:
309          raise RuntimeError('Error! Fortran compiler "'+self.compilers.FC+'" does not support F90! PETSc fortran bindings require a F90 compiler')
310        self.addDefine('HAVE_FORTRAN','1')
311      self.setCompilers.pushLanguage('FC')
312      # need FPPFLAGS in config/setCompilers
313      self.addMakeMacro('FPP_FLAGS',self.setCompilers.FPPFLAGS)
314
315      # compiler values
316      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
317      self.setCompilers.popLanguage()
318      # .o or .obj
319      self.addMakeMacro('FC_SUFFIX','o')
320
321      # executable linker values
322      self.setCompilers.pushLanguage('FC')
323      self.addMakeMacro('FC_LINKER',self.setCompilers.getLinker())
324      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
325      # apple requires this shared library linker flag on SOME versions of the os
326      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
327        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
328      self.setCompilers.popLanguage()
329
330      # F90 Modules
331      if self.setCompilers.fortranModuleIncludeFlag:
332        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
333      else: # for non-f90 compilers like g77
334        self.addMakeMacro('FC_MODULE_FLAG', '-I')
335      if self.setCompilers.fortranModuleIncludeFlag:
336        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
337    else:
338      self.addMakeMacro('FC','')
339
340    if hasattr(self.compilers, 'CUDAC'):
341      self.setCompilers.pushLanguage('CUDA')
342      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
343      self.setCompilers.popLanguage()
344
345    if hasattr(self.compilers, 'HIPC'):
346      self.setCompilers.pushLanguage('HIP')
347      self.addMakeMacro('HIPC_FLAGS',self.setCompilers.getCompilerFlags())
348      self.addMakeMacro('HIPPP_FLAGS',self.setCompilers.HIPPPFLAGS)
349      self.setCompilers.popLanguage()
350
351    if hasattr(self.compilers, 'SYCLCXX'):
352      self.setCompilers.pushLanguage('SYCL')
353      self.addMakeMacro('SYCLCXX_FLAGS',self.setCompilers.getCompilerFlags())
354      self.setCompilers.popLanguage()
355
356    # shared library linker values
357    self.setCompilers.pushLanguage(self.languages.clanguage)
358    # need to fix BuildSystem to collect these separately
359    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
360    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
361    self.setCompilers.popLanguage()
362    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
363    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
364    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
365      self.addMakeMacro('SL_LINKER_SUFFIX', '')
366      self.addDefine('SLSUFFIX','""')
367    else:
368      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
369      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
370
371    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
372
373#-----------------------------------------------------------------------------------------------------
374
375    # CONLY or CPP. We should change the PETSc makefiles to do this better
376    if self.languages.clanguage == 'C': lang = 'CONLY'
377    else: lang = 'CXXONLY'
378    self.addMakeMacro('PETSC_LANGUAGE',lang)
379
380    # real or complex
381    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
382    # double or float
383    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
384
385    if self.framework.argDB['with-batch']:
386      self.addMakeMacro('PETSC_WITH_BATCH','1')
387
388#-----------------------------------------------------------------------------------------------------
389    # print include and lib for makefiles
390    self.logPrintDivider()
391    self.framework.packages.reverse()
392    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
393    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
394    includes = []
395    self.packagelibs = []
396    for i in self.framework.packages:
397      if not i.required:
398        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
399      if not isinstance(i.lib, list):
400        i.lib = [i.lib]
401      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
402      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
403      if hasattr(i,'include'):
404        if not isinstance(i.include,list):
405          i.include = [i.include]
406        includes.extend(i.include)
407        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
408    if self.framework.argDB['with-single-library']:
409      self.petsclib = '-lpetsc'
410    else:
411      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
412    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
413    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
414    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
415
416    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
417    allincludes = petscincludes + includes
418    allincludes_install = petscincludes_install + includes
419    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
420    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
421    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
422    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
423    if hasattr(self.compilers, 'FC'):
424      def modinc(includes):
425        return includes if self.fortran.fortranIsF90 else []
426      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
427      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
428
429    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
430
431    if self.framework.argDB['with-single-library']:
432      # overrides the values set in conf/variables
433      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
434      self.addMakeMacro('SHLIBS','libpetsc')
435      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
436      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
437      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
438      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
439      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
440      self.addDefine('USE_SINGLE_LIBRARY', '1')
441      if self.sharedlibraries.useShared:
442        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
449        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
450        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
451        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
452        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
453      else:
454        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
455        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
456        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
457        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
458        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
459        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
460        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
461        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
462        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
463        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
464        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
465
466    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
467      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
468
469# add a makefile endtry for display
470    if self.framework.argDB['with-display']:
471      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
472
473    # add a makefile entry for configure options
474    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
475    return
476
477  def dumpConfigInfo(self):
478    import time
479    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
480    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"').replace('\\ ','\\\\ ')+'";\n')
481    fd.close()
482    return
483
484  def dumpMachineInfo(self):
485    import platform
486    import datetime
487    import time
488    import script
489    def escape(s):
490      return s.replace('"',r'\"').replace(r'\ ',r'\\ ') # novermin
491    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
492    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
493    fd.write('\"-----------------------------------------\\n\"\n')
494    buildhost = platform.node()
495    if os.environ.get('SOURCE_DATE_EPOCH'):
496      buildhost = "reproducible"
497    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
498    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
499    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
500    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
501    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
502    fd.write('\"-----------------------------------------\\n\";\n')
503    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
504    self.setCompilers.pushLanguage(self.languages.clanguage)
505    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
506    self.setCompilers.popLanguage()
507    if hasattr(self.compilers, 'FC'):
508      self.setCompilers.pushLanguage('FC')
509      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
510      self.setCompilers.popLanguage()
511    fd.write('\"-----------------------------------------\\n\";\n')
512    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
513    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
514    fd.write('\"-----------------------------------------\\n\";\n')
515    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
516    self.setCompilers.pushLanguage(self.languages.clanguage)
517    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
518    self.setCompilers.popLanguage()
519    if hasattr(self.compilers, 'FC'):
520      self.setCompilers.pushLanguage('FC')
521      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
522      self.setCompilers.popLanguage()
523    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)))
524    fd.write('\"-----------------------------------------\\n\";\n')
525    fd.close()
526    return
527
528  def configurePrefetch(self):
529    '''Sees if there are any prefetch functions supported'''
530    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
531      self.addDefine('Prefetch(a,b,c)', ' ')
532      return
533    self.pushLanguage(self.languages.clanguage)
534    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
535      # The Intel Intrinsics manual [1] specifies the prototype
536      #
537      #   void _mm_prefetch(char const *a, int sel);
538      #
539      # but other vendors seem to insist on using subtly different
540      # prototypes, including void* for the pointer, and an enum for
541      # sel.  These are both reasonable changes, but negatively impact
542      # portability.
543      #
544      # [1] https://software.intel.com/file/6373
545      self.addDefine('HAVE_XMMINTRIN_H', 1)
546      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
547      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
548      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
549      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
550      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
551    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
552      self.addDefine('HAVE_XMMINTRIN_H', 1)
553      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
554      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
555      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
556      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
557      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
558    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
559      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
560      #
561      #   The value of rw is a compile-time constant one or zero; one
562      #   means that the prefetch is preparing for a write to the memory
563      #   address and zero, the default, means that the prefetch is
564      #   preparing for a read. The value locality must be a compile-time
565      #   constant integer between zero and three. A value of zero means
566      #   that the data has no temporal locality, so it need not be left
567      #   in the cache after the access. A value of three means that the
568      #   data has a high degree of temporal locality and should be left
569      #   in all levels of cache possible. Values of one and two mean,
570      #   respectively, a low or moderate degree of temporal locality.
571      #
572      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
573      # hints.  Using macros for these values in necessary since some
574      # compilers require an enum.
575      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
576      self.addDefine('PREFETCH_HINT_NTA', '0')
577      self.addDefine('PREFETCH_HINT_T0',  '3')
578      self.addDefine('PREFETCH_HINT_T1',  '2')
579      self.addDefine('PREFETCH_HINT_T2',  '1')
580    else:
581      self.addDefine('Prefetch(a,b,c)', ' ')
582    self.popLanguage()
583
584  def delGenFiles(self):
585    '''Delete generated files'''
586    delfile = os.path.join(self.arch.arch,'lib','petsc','conf','files')
587    try:
588      os.unlink(delfile)
589    except: pass
590
591  def configureAtoll(self):
592    '''Checks if atoll exists'''
593    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")'):
594       self.addDefine('HAVE_ATOLL', '1')
595
596  def configureUnused(self):
597    '''Sees if __attribute((unused)) is supported'''
598    if self.framework.argDB['with-ios']:
599      self.addDefine('UNUSED', ' ')
600      return
601    self.pushLanguage(self.languages.clanguage)
602    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'):
603      self.addDefine('UNUSED', '__attribute((unused))')
604    else:
605      self.addDefine('UNUSED', ' ')
606    self.popLanguage()
607
608  def configureIsatty(self):
609    '''Check if the Unix C function isatty() works correctly
610       Actually just assumes it does not work correctly on batch systems'''
611    if not self.framework.argDB['with-batch']:
612      self.addDefine('USE_ISATTY',1)
613
614  def configureDeprecated(self):
615    '''Check if __attribute((deprecated)) is supported'''
616    self.pushLanguage(self.languages.clanguage)
617    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
618    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
619    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
620    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
621    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
622    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
623    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
624    ## why we can't have nice things.
625    #
626    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
627    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
628    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
629    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
630      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
631      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
632    else:
633      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
634      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
635    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
636      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
637    else:
638      self.addDefine('DEPRECATED_ENUM(why)', ' ')
639    # 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
640    # hence the deprecation message is handled as it is
641    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
642      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
643    else:
644      self.addDefine('DEPRECATED_MACRO(why)', ' ')
645    self.popLanguage()
646
647  def configureAlign(self):
648    '''Check if __attribute(aligned) is supported'''
649    code = '''\
650struct mystruct {int myint;} __attribute((aligned(16)));
651char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
652'''
653    self.pushLanguage(self.languages.clanguage)
654    if self.checkCompile(code):
655      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
656      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
657    else:
658      self.framework.logPrint('Incorrect attribute(aligned)')
659      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
660    self.popLanguage()
661    return
662
663  def configureExpect(self):
664    '''Sees if the __builtin_expect directive is supported'''
665    self.pushLanguage(self.languages.clanguage)
666    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
667      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
668    self.popLanguage()
669
670  def configureFunctionName(self):
671    '''Sees if the compiler supports __func__ or a variant.'''
672    def getFunctionName(lang):
673      name = '"unknown"'
674      self.pushLanguage(lang)
675      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
676        code = "if ("+fname+"[0] != 'm') return 1;"
677        if self.checkCompile('',code) and self.checkLink('',code):
678          name = fname
679          break
680      self.popLanguage()
681      return name
682    langs = []
683
684    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
685    if hasattr(self.compilers, 'CXX'):
686      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
687
688  def configureIntptrt(self):
689    '''Determine what to use for uintptr_t'''
690    def staticAssertSizeMatchesVoidStar(inc,typename):
691      # The declaration is an error if either array size is negative.
692      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
693      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
694                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
695    self.pushLanguage(self.languages.clanguage)
696    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
697      self.addDefine('UINTPTR_T', 'uintptr_t')
698    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
699      self.addDefine('UINTPTR_T', 'unsigned long long')
700    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
701      self.addDefine('UINTPTR_T', 'size_t')
702    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
703      self.addDefine('UINTPTR_T', 'unsigned long')
704    elif staticAssertSizeMatchesVoidStar('','unsigned'):
705      self.addDefine('UINTPTR_T', 'unsigned')
706    else:
707      raise RuntimeError('Could not find any unsigned integer type matching void*')
708    self.popLanguage()
709
710  def configureRTLDDefault(self):
711    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
712      self.addDefine('RTLD_DEFAULT','1')
713    return
714
715  def configureSolaris(self):
716    '''Solaris specific stuff'''
717    if os.path.isdir(os.path.join('/usr','ucblib')):
718      try:
719        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
720      except AttributeError:
721        flag = None
722      if flag is None:
723        self.compilers.LIBS += ' -L/usr/ucblib'
724      else:
725        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
726    return
727
728  def configureLinux(self):
729    '''Linux specific stuff'''
730    # TODO: Test for this by mallocing an odd number of floats and checking the address
731    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
732    return
733
734  def configureWin32(self):
735    '''Win32 non-cygwin specific stuff'''
736    kernel32=0
737    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
738      self.addDefine('HAVE_WINDOWS_H',1)
739      self.addDefine('HAVE_GETCOMPUTERNAME',1)
740      kernel32=1
741    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
742      self.addDefine('HAVE_WINDOWS_H',1)
743      self.addDefine('HAVE_GETCOMPUTERNAME',1)
744      kernel32=1
745    if kernel32:
746      if self.framework.argDB['with-windows-graphics']:
747        self.addDefine('USE_WINDOWS_GRAPHICS',1)
748      if self.checkLink('#include <windows.h>','LoadLibrary(0)'):
749        self.addDefine('HAVE_LOADLIBRARY',1)
750      if self.checkLink('#include <windows.h>','GetProcAddress(0,0)'):
751        self.addDefine('HAVE_GETPROCADDRESS',1)
752      if self.checkLink('#include <windows.h>','FreeLibrary(0)'):
753        self.addDefine('HAVE_FREELIBRARY',1)
754      if self.checkLink('#include <windows.h>','GetLastError()'):
755        self.addDefine('HAVE_GETLASTERROR',1)
756      if self.checkLink('#include <windows.h>','SetLastError(0)'):
757        self.addDefine('HAVE_SETLASTERROR',1)
758      if self.checkLink('#include <windows.h>\n','QueryPerformanceCounter(0);\n'):
759        self.addDefine('USE_MICROSOFT_TIME',1)
760    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
761      self.addDefine('HAVE_GET_USER_NAME',1)
762    elif self.libraries.add('advapi32','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
763      self.addDefine('HAVE_GET_USER_NAME',1)
764
765    if not self.libraries.add('User32.lib','GetDC',prototype='#include <windows.h>',call='GetDC(0);'):
766      self.libraries.add('user32','GetDC',prototype='#include <windows.h>',call='GetDC(0);')
767    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);'):
768      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);')
769
770    self.types.check('int32_t', 'int')
771    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
772      self.addTypedef('int', 'uid_t')
773      self.addTypedef('int', 'gid_t')
774    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
775      self.framework.addDefine('R_OK', '04')
776      self.framework.addDefine('W_OK', '02')
777      self.framework.addDefine('X_OK', '01')
778    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
779      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
780      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
781    if self.checkCompile('#include <windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
782      self.addDefine('HAVE_LARGE_INTEGER_U',1)
783
784    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
785    if self.checkCompile('#include <windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
786      self.addDefine('HAVE_O_BINARY',1)
787
788    if self.compilers.CC.find('win32fe') >= 0:
789      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
790      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
791      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
792      self.addDefine('CANNOT_START_DEBUGGER',1)
793      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
794      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
795      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
796      self.addMakeMacro('wPETSC_DIR',petscdir)
797      if self.dataFilesPath.datafilespath:
798        (datafilespath,error,status) = self.executeShellCommand('cygpath -m '+self.dataFilesPath.datafilespath, log = self.log)
799        self.addMakeMacro('DATAFILESPATH',datafilespath)
800
801    else:
802      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
803      self.addDefine('DIR_SEPARATOR','\'/\'')
804      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
805      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
806      if self.dataFilesPath.datafilespath:
807        self.addMakeMacro('DATAFILESPATH',self.dataFilesPath.datafilespath)
808    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
809    return
810
811#-----------------------------------------------------------------------------------------------------
812  def configureCygwinBrokenPipe(self):
813    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
814    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
815    if config.setCompilers.Configure.isCygwin(self.log):
816      import platform
817      import re
818      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
819      m=r.match(platform.release())
820      major=int(m.group(1))
821      minor=int(m.group(2))
822      subminor=int(m.group(3))
823      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
824        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
825    return
826
827#-----------------------------------------------------------------------------------------------------
828  def configureDefaultArch(self):
829    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
830    if self.framework.argDB['with-default-arch']:
831      fd = open(conffile, 'w')
832      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
833      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
834      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
835      fd.close()
836      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
837    elif os.path.isfile(conffile):
838      try:
839        os.unlink(conffile)
840      except:
841        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
842    return
843
844#-----------------------------------------------------------------------------------------------------
845  def configureScript(self):
846    '''Output a script in the conf directory which will reproduce the configuration'''
847    import nargs
848    import sys
849    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
850    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
851    if 'with-clean' in args:
852      del args['with-clean']
853    if 'force' in args:
854      del args['force']
855    if 'configModules' in args:
856      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
857        del args['configModules']
858    if 'optionsModule' in args:
859      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
860        del args['optionsModule']
861    if not 'PETSC_ARCH' in args:
862      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
863    f = open(scriptName, 'w')
864    f.write('#!'+sys.executable+'\n')
865    f.write('if __name__ == \'__main__\':\n')
866    f.write('  import sys\n')
867    f.write('  import os\n')
868    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
869    f.write('  import configure\n')
870    # pretty print repr(args.values())
871    f.write('  configure_options = [\n')
872    for itm in sorted(args.values()):
873      f.write('    \''+str(itm)+'\',\n')
874    f.write('  ]\n')
875    f.write('  configure.petsc_configure(configure_options)\n')
876    f.close()
877    try:
878      os.chmod(scriptName, 0o775)
879    except OSError as e:
880      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
881    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
882    return
883
884  def configureInstall(self):
885    '''Setup the directories for installation'''
886    if self.framework.argDB['prefix']:
887      self.addMakeRule('print_mesg_after_build','',
888       ['-@echo "========================================="',
889        '-@echo "Now to install the libraries do:"',
890        '-@echo "%s${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"' % self.installdir.installSudo,
891        '-@echo "========================================="'])
892    else:
893      self.addMakeRule('print_mesg_after_build','',
894       ['-@echo "========================================="',
895        '-@echo "Now to check if the libraries are working do:"',
896        '-@echo "${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',
897        '-@echo "========================================="'])
898      return
899
900  def configureGCOV(self):
901    if self.framework.argDB['with-gcov']:
902      self.addDefine('USE_GCOV','1')
903    return
904
905  def postProcessPackages(self):
906    postPackages=[]
907    for i in self.framework.packages:
908      if hasattr(i,'postProcess'): postPackages.append(i)
909    if postPackages:
910      # ctetgen needs petsc conf files. so attempt to create them early
911      self.framework.dumpConfFiles()
912      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
913      for i in postPackages:
914        if i.name.upper() in ['PFLOTRAN']:
915          i.postProcess()
916          postPackages.remove(i)
917      for i in postPackages: i.postProcess()
918      for i in postPackages:
919        if i.installedpetsc:
920          self.installed = 1
921          break
922    return
923
924  def configure(self):
925    if 'package-prefix-hash' in self.argDB:
926      # turn off prefix if it was only used to for installing external packages.
927      self.framework.argDB['prefix'] = ''
928      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
929      self.installdir.dir = self.dir
930      self.installdir.petscDir = self.petscdir.dir
931      self.petscDir = self.petscdir.dir
932      self.petscArch = self.arch.arch
933      self.addMakeMacro('PREFIXDIR',self.dir)
934      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
935
936    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
937      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
938    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
939      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
940    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
941      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')
942    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)):
943      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
944    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
945    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
946    self.framework.poisonheader    = os.path.join(self.arch.arch,'include','petscconf_poison.h')
947    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
948    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
949    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
950    if self.libraries.math is None:
951      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
952    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
953      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
954    self.executeTest(self.configureRTLDDefault)
955    self.executeTest(self.configurePrefetch)
956    self.executeTest(self.configureUnused)
957    self.executeTest(self.configureDeprecated)
958    self.executeTest(self.configureIsatty)
959    self.executeTest(self.configureExpect)
960    self.executeTest(self.configureAlign)
961    self.executeTest(self.configureFunctionName)
962    self.executeTest(self.configureIntptrt)
963    self.executeTest(self.configureSolaris)
964    self.executeTest(self.configureLinux)
965    self.executeTest(self.configureWin32)
966    self.executeTest(self.configureCygwinBrokenPipe)
967    self.executeTest(self.configureDefaultArch)
968    self.executeTest(self.configureScript)
969    self.executeTest(self.configureInstall)
970    self.executeTest(self.configureGCOV)
971    self.executeTest(self.configureAtoll)
972
973    self.Dump()
974    self.dumpConfigInfo()
975    self.dumpMachineInfo()
976    self.delGenFiles()
977    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
978    self.framework.storeSubstitutions(self.framework.argDB)
979    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
980    self.framework.argDB.save(force = True)
981    self.DumpPkgconfig('PETSc.pc')
982    self.DumpPkgconfig('petsc.pc')
983    self.DumpModule()
984    self.postProcessPackages()
985    self.framework.log.write('================================================================================\n')
986    self.logClear()
987    return
988