xref: /petsc/config/PETSc/Configure.py (revision 61a6e5df8a56e9f4635d65196feaa1303d4e372f)
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.setCompilers.popLanguage()
338
339    if hasattr(self.compilers, 'HIPC'):
340      self.setCompilers.pushLanguage('HIP')
341      self.addMakeMacro('HIPC_FLAGS',self.setCompilers.getCompilerFlags())
342      self.addMakeMacro('HIPPP_FLAGS',self.setCompilers.HIPPPFLAGS)
343      self.setCompilers.popLanguage()
344
345    if hasattr(self.compilers, 'SYCLCXX'):
346      self.setCompilers.pushLanguage('SYCL')
347      self.addMakeMacro('SYCLCXX_FLAGS',self.setCompilers.getCompilerFlags())
348      self.setCompilers.popLanguage()
349
350    # shared library linker values
351    self.setCompilers.pushLanguage(self.languages.clanguage)
352    # need to fix BuildSystem to collect these separately
353    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
354    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
355    self.setCompilers.popLanguage()
356    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
357    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
358    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
359      self.addMakeMacro('SL_LINKER_SUFFIX', '')
360      self.addDefine('SLSUFFIX','""')
361    else:
362      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
363      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
364
365    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
366
367#-----------------------------------------------------------------------------------------------------
368
369    # CONLY or CPP. We should change the PETSc makefiles to do this better
370    if self.languages.clanguage == 'C': lang = 'CONLY'
371    else: lang = 'CXXONLY'
372    self.addMakeMacro('PETSC_LANGUAGE',lang)
373
374    # real or complex
375    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
376    # double or float
377    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
378
379    if self.framework.argDB['with-batch']:
380      self.addMakeMacro('PETSC_WITH_BATCH','1')
381
382#-----------------------------------------------------------------------------------------------------
383    # print include and lib for makefiles
384    self.logPrintDivider()
385    self.framework.packages.reverse()
386    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
387    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
388    includes = []
389    self.packagelibs = []
390    for i in self.framework.packages:
391      if not i.required:
392        if i.devicePackage:
393          self.addDefine('HAVE_DEVICE',1)
394        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
395      if not isinstance(i.lib, list):
396        i.lib = [i.lib]
397      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
398      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
399      if hasattr(i,'include'):
400        if not isinstance(i.include,list):
401          i.include = [i.include]
402        includes.extend(i.include)
403        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
404    if self.framework.argDB['with-single-library']:
405      self.petsclib = '-lpetsc'
406    else:
407      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
408    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
409    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
410    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
411
412    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
413    allincludes = petscincludes + includes
414    allincludes_install = petscincludes_install + includes
415    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
416    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
417    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
418    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
419    if hasattr(self.compilers, 'FC'):
420      def modinc(includes):
421        return includes if self.fortran.fortranIsF90 else []
422      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
423      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
424
425    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
426
427    if self.framework.argDB['with-single-library']:
428      # overrides the values set in conf/variables
429      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
430      self.addMakeMacro('SHLIBS','libpetsc')
431      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
432      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
433      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
434      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
435      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
436      self.addDefine('USE_SINGLE_LIBRARY', '1')
437      if self.sharedlibraries.useShared:
438        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
439        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
440        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
441        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
442        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
449      else:
450        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
451        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
452        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
453        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
454        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
455        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
456        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
457        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
458        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
459        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
460        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
461
462    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
463      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
464
465# add a makefile endtry for display
466    if self.framework.argDB['with-display']:
467      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
468
469    # add a makefile entry for configure options
470    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
471    return
472
473  def dumpConfigInfo(self):
474    import time
475    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
476    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"').replace('\\ ','\\\\ ')+'";\n')
477    fd.close()
478    return
479
480  def dumpMachineInfo(self):
481    import platform
482    import datetime
483    import time
484    import script
485    def escape(s):
486      return s.replace('"',r'\"').replace(r'\ ',r'\\ ') # novermin
487    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
488    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
489    fd.write('\"-----------------------------------------\\n\"\n')
490    buildhost = platform.node()
491    if os.environ.get('SOURCE_DATE_EPOCH'):
492      buildhost = "reproducible"
493    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
494    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
495    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
496    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
497    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
498    fd.write('\"-----------------------------------------\\n\";\n')
499    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
500    self.setCompilers.pushLanguage(self.languages.clanguage)
501    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
502    self.setCompilers.popLanguage()
503    if hasattr(self.compilers, 'FC'):
504      self.setCompilers.pushLanguage('FC')
505      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
506      self.setCompilers.popLanguage()
507    fd.write('\"-----------------------------------------\\n\";\n')
508    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
509    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
510    fd.write('\"-----------------------------------------\\n\";\n')
511    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
512    self.setCompilers.pushLanguage(self.languages.clanguage)
513    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
514    self.setCompilers.popLanguage()
515    if hasattr(self.compilers, 'FC'):
516      self.setCompilers.pushLanguage('FC')
517      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
518      self.setCompilers.popLanguage()
519    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)))
520    fd.write('\"-----------------------------------------\\n\";\n')
521    fd.close()
522    return
523
524  def configurePrefetch(self):
525    '''Sees if there are any prefetch functions supported'''
526    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
527      self.addDefine('Prefetch(a,b,c)', ' ')
528      return
529    self.pushLanguage(self.languages.clanguage)
530    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
531      # The Intel Intrinsics manual [1] specifies the prototype
532      #
533      #   void _mm_prefetch(char const *a, int sel);
534      #
535      # but other vendors seem to insist on using subtly different
536      # prototypes, including void* for the pointer, and an enum for
537      # sel.  These are both reasonable changes, but negatively impact
538      # portability.
539      #
540      # [1] https://software.intel.com/file/6373
541      self.addDefine('HAVE_XMMINTRIN_H', 1)
542      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
543      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
544      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
545      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
546      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
547    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
548      self.addDefine('HAVE_XMMINTRIN_H', 1)
549      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
550      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
551      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
552      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
553      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
554    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
555      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
556      #
557      #   The value of rw is a compile-time constant one or zero; one
558      #   means that the prefetch is preparing for a write to the memory
559      #   address and zero, the default, means that the prefetch is
560      #   preparing for a read. The value locality must be a compile-time
561      #   constant integer between zero and three. A value of zero means
562      #   that the data has no temporal locality, so it need not be left
563      #   in the cache after the access. A value of three means that the
564      #   data has a high degree of temporal locality and should be left
565      #   in all levels of cache possible. Values of one and two mean,
566      #   respectively, a low or moderate degree of temporal locality.
567      #
568      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
569      # hints.  Using macros for these values in necessary since some
570      # compilers require an enum.
571      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
572      self.addDefine('PREFETCH_HINT_NTA', '0')
573      self.addDefine('PREFETCH_HINT_T0',  '3')
574      self.addDefine('PREFETCH_HINT_T1',  '2')
575      self.addDefine('PREFETCH_HINT_T2',  '1')
576    else:
577      self.addDefine('Prefetch(a,b,c)', ' ')
578    self.popLanguage()
579
580  def delGenFiles(self):
581    '''Delete generated files'''
582    delfile = os.path.join(self.arch.arch,'lib','petsc','conf','files')
583    try:
584      os.unlink(delfile)
585    except: pass
586
587  def configureAtoll(self):
588    '''Checks if atoll exists'''
589    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")'):
590       self.addDefine('HAVE_ATOLL', '1')
591
592  def configureUnused(self):
593    '''Sees if __attribute((unused)) is supported'''
594    if self.framework.argDB['with-ios']:
595      self.addDefine('UNUSED', ' ')
596      return
597    self.pushLanguage(self.languages.clanguage)
598    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'):
599      self.addDefine('UNUSED', '__attribute((unused))')
600    else:
601      self.addDefine('UNUSED', ' ')
602    self.popLanguage()
603
604  def configureIsatty(self):
605    '''Check if the Unix C function isatty() works correctly
606       Actually just assumes it does not work correctly on batch systems'''
607    if not self.framework.argDB['with-batch']:
608      self.addDefine('USE_ISATTY',1)
609
610  def configureDeprecated(self):
611    '''Check if __attribute((deprecated)) is supported'''
612    self.pushLanguage(self.languages.clanguage)
613    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
614    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
615    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
616    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
617    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
618    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
619    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
620    ## why we can't have nice things.
621    #
622    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
623    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
624    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
625    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
626      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
627      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
628    else:
629      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
630      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
631    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
632      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
633    else:
634      self.addDefine('DEPRECATED_ENUM(why)', ' ')
635    # 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
636    # hence the deprecation message is handled as it is
637    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
638      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
639    else:
640      self.addDefine('DEPRECATED_MACRO(why)', ' ')
641    self.popLanguage()
642
643  def configureAlign(self):
644    '''Check if __attribute(aligned) is supported'''
645    code = '''\
646struct mystruct {int myint;} __attribute((aligned(16)));
647char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
648'''
649    self.pushLanguage(self.languages.clanguage)
650    if self.checkCompile(code):
651      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
652      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
653    else:
654      self.framework.logPrint('Incorrect attribute(aligned)')
655      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
656    self.popLanguage()
657    return
658
659  def configureExpect(self):
660    '''Sees if the __builtin_expect directive is supported'''
661    self.pushLanguage(self.languages.clanguage)
662    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
663      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
664    self.popLanguage()
665
666  def configureFunctionName(self):
667    '''Sees if the compiler supports __func__ or a variant.'''
668    def getFunctionName(lang):
669      name = '"unknown"'
670      self.pushLanguage(lang)
671      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
672        code = "if ("+fname+"[0] != 'm') return 1;"
673        if self.checkCompile('',code) and self.checkLink('',code):
674          name = fname
675          break
676      self.popLanguage()
677      return name
678    langs = []
679
680    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
681    if hasattr(self.compilers, 'CXX'):
682      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
683
684  def configureIntptrt(self):
685    '''Determine what to use for uintptr_t'''
686    def staticAssertSizeMatchesVoidStar(inc,typename):
687      # The declaration is an error if either array size is negative.
688      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
689      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
690                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
691    self.pushLanguage(self.languages.clanguage)
692    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
693      self.addDefine('UINTPTR_T', 'uintptr_t')
694    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
695      self.addDefine('UINTPTR_T', 'unsigned long long')
696    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
697      self.addDefine('UINTPTR_T', 'size_t')
698    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
699      self.addDefine('UINTPTR_T', 'unsigned long')
700    elif staticAssertSizeMatchesVoidStar('','unsigned'):
701      self.addDefine('UINTPTR_T', 'unsigned')
702    else:
703      raise RuntimeError('Could not find any unsigned integer type matching void*')
704    self.popLanguage()
705
706  def configureRTLDDefault(self):
707    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
708      self.addDefine('RTLD_DEFAULT','1')
709    return
710
711  def configureSolaris(self):
712    '''Solaris specific stuff'''
713    if os.path.isdir(os.path.join('/usr','ucblib')):
714      try:
715        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
716      except AttributeError:
717        flag = None
718      if flag is None:
719        self.compilers.LIBS += ' -L/usr/ucblib'
720      else:
721        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
722    return
723
724  def configureLinux(self):
725    '''Linux specific stuff'''
726    # TODO: Test for this by mallocing an odd number of floats and checking the address
727    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
728    return
729
730  def configureWin32(self):
731    '''Win32 non-cygwin specific stuff'''
732    kernel32=0
733    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
734      self.addDefine('HAVE_WINDOWS_H',1)
735      self.addDefine('HAVE_GETCOMPUTERNAME',1)
736      kernel32=1
737    elif self.libraries.add('kernel32','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    if kernel32:
742      if self.framework.argDB['with-windows-graphics']:
743        self.addDefine('USE_WINDOWS_GRAPHICS',1)
744      if self.checkLink('#include <windows.h>','LoadLibrary(0)'):
745        self.addDefine('HAVE_LOADLIBRARY',1)
746      if self.checkLink('#include <windows.h>','GetProcAddress(0,0)'):
747        self.addDefine('HAVE_GETPROCADDRESS',1)
748      if self.checkLink('#include <windows.h>','FreeLibrary(0)'):
749        self.addDefine('HAVE_FREELIBRARY',1)
750      if self.checkLink('#include <windows.h>','GetLastError()'):
751        self.addDefine('HAVE_GETLASTERROR',1)
752      if self.checkLink('#include <windows.h>','SetLastError(0)'):
753        self.addDefine('HAVE_SETLASTERROR',1)
754      if self.checkLink('#include <windows.h>\n','QueryPerformanceCounter(0);\n'):
755        self.addDefine('USE_MICROSOFT_TIME',1)
756    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
757      self.addDefine('HAVE_GET_USER_NAME',1)
758    elif self.libraries.add('advapi32','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
759      self.addDefine('HAVE_GET_USER_NAME',1)
760
761    if not self.libraries.add('User32.lib','GetDC',prototype='#include <windows.h>',call='GetDC(0);'):
762      self.libraries.add('user32','GetDC',prototype='#include <windows.h>',call='GetDC(0);')
763    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);'):
764      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);')
765
766    self.types.check('int32_t', 'int')
767    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
768      self.addTypedef('int', 'uid_t')
769      self.addTypedef('int', 'gid_t')
770    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
771      self.framework.addDefine('R_OK', '04')
772      self.framework.addDefine('W_OK', '02')
773      self.framework.addDefine('X_OK', '01')
774    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
775      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
776      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
777    if self.checkCompile('#include <windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
778      self.addDefine('HAVE_LARGE_INTEGER_U',1)
779
780    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
781    if self.checkCompile('#include <windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
782      self.addDefine('HAVE_O_BINARY',1)
783
784    if self.compilers.CC.find('win32fe') >= 0:
785      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
786      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
787      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
788      self.addDefine('CANNOT_START_DEBUGGER',1)
789      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
790      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
791      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
792      self.addMakeMacro('wPETSC_DIR',petscdir)
793      if self.dataFilesPath.datafilespath:
794        (datafilespath,error,status) = self.executeShellCommand('cygpath -m '+self.dataFilesPath.datafilespath, log = self.log)
795        self.addMakeMacro('DATAFILESPATH',datafilespath)
796
797    else:
798      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
799      self.addDefine('DIR_SEPARATOR','\'/\'')
800      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
801      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
802      if self.dataFilesPath.datafilespath:
803        self.addMakeMacro('DATAFILESPATH',self.dataFilesPath.datafilespath)
804    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
805    return
806
807#-----------------------------------------------------------------------------------------------------
808  def configureCygwinBrokenPipe(self):
809    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
810    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
811    if config.setCompilers.Configure.isCygwin(self.log):
812      import platform
813      import re
814      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
815      m=r.match(platform.release())
816      major=int(m.group(1))
817      minor=int(m.group(2))
818      subminor=int(m.group(3))
819      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
820        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
821    return
822
823#-----------------------------------------------------------------------------------------------------
824  def configureDefaultArch(self):
825    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
826    if self.framework.argDB['with-default-arch']:
827      fd = open(conffile, 'w')
828      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
829      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
830      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
831      fd.close()
832      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
833    elif os.path.isfile(conffile):
834      try:
835        os.unlink(conffile)
836      except:
837        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
838    return
839
840#-----------------------------------------------------------------------------------------------------
841  def configureScript(self):
842    '''Output a script in the conf directory which will reproduce the configuration'''
843    import nargs
844    import sys
845    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
846    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
847    if 'with-clean' in args:
848      del args['with-clean']
849    if 'force' in args:
850      del args['force']
851    if 'configModules' in args:
852      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
853        del args['configModules']
854    if 'optionsModule' in args:
855      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
856        del args['optionsModule']
857    if not 'PETSC_ARCH' in args:
858      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
859    f = open(scriptName, 'w')
860    f.write('#!'+sys.executable+'\n')
861    f.write('if __name__ == \'__main__\':\n')
862    f.write('  import sys\n')
863    f.write('  import os\n')
864    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
865    f.write('  import configure\n')
866    # pretty print repr(args.values())
867    f.write('  configure_options = [\n')
868    for itm in sorted(args.values()):
869      f.write('    \''+str(itm)+'\',\n')
870    f.write('  ]\n')
871    f.write('  configure.petsc_configure(configure_options)\n')
872    f.close()
873    try:
874      os.chmod(scriptName, 0o775)
875    except OSError as e:
876      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
877    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
878    return
879
880  def configureInstall(self):
881    '''Setup the directories for installation'''
882    if self.framework.argDB['prefix']:
883      self.addMakeRule('print_mesg_after_build','',
884       ['-@echo "========================================="',
885        '-@echo "Now to install the libraries do:"',
886        '-@echo "%s${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"' % self.installdir.installSudo,
887        '-@echo "========================================="'])
888    else:
889      self.addMakeRule('print_mesg_after_build','',
890       ['-@echo "========================================="',
891        '-@echo "Now to check if the libraries are working do:"',
892        '-@echo "${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',
893        '-@echo "========================================="'])
894      return
895
896  def configureGCOV(self):
897    if self.framework.argDB['with-gcov']:
898      self.addDefine('USE_GCOV','1')
899    return
900
901  def postProcessPackages(self):
902    postPackages=[]
903    for i in self.framework.packages:
904      if hasattr(i,'postProcess'): postPackages.append(i)
905    if postPackages:
906      # ctetgen needs petsc conf files. so attempt to create them early
907      self.framework.dumpConfFiles()
908      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
909      for i in postPackages:
910        if i.name.upper() in ['PFLOTRAN']:
911          i.postProcess()
912          postPackages.remove(i)
913      for i in postPackages: i.postProcess()
914      for i in postPackages:
915        if i.installedpetsc:
916          self.installed = 1
917          break
918    return
919
920  def configure(self):
921    if 'package-prefix-hash' in self.argDB:
922      # turn off prefix if it was only used to for installing external packages.
923      self.framework.argDB['prefix'] = ''
924      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
925      self.installdir.dir = self.dir
926      self.installdir.petscDir = self.petscdir.dir
927      self.petscDir = self.petscdir.dir
928      self.petscArch = self.arch.arch
929      self.addMakeMacro('PREFIXDIR',self.dir)
930      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
931
932    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
933      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
934    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
935      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
936    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
937      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')
938    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)):
939      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
940    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
941    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
942    self.framework.poisonheader    = os.path.join(self.arch.arch,'include','petscconf_poison.h')
943    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
944    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
945    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
946    if self.libraries.math is None:
947      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
948    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
949      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
950    self.executeTest(self.configureRTLDDefault)
951    self.executeTest(self.configurePrefetch)
952    self.executeTest(self.configureUnused)
953    self.executeTest(self.configureDeprecated)
954    self.executeTest(self.configureIsatty)
955    self.executeTest(self.configureExpect)
956    self.executeTest(self.configureAlign)
957    self.executeTest(self.configureFunctionName)
958    self.executeTest(self.configureIntptrt)
959    self.executeTest(self.configureSolaris)
960    self.executeTest(self.configureLinux)
961    self.executeTest(self.configureWin32)
962    self.executeTest(self.configureCygwinBrokenPipe)
963    self.executeTest(self.configureDefaultArch)
964    self.executeTest(self.configureScript)
965    self.executeTest(self.configureInstall)
966    self.executeTest(self.configureGCOV)
967    self.executeTest(self.configureAtoll)
968
969    self.Dump()
970    self.dumpConfigInfo()
971    self.dumpMachineInfo()
972    self.delGenFiles()
973    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
974    self.framework.storeSubstitutions(self.framework.argDB)
975    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
976    self.framework.argDB.save(force = True)
977    self.DumpPkgconfig('PETSc.pc')
978    self.DumpPkgconfig('petsc.pc')
979    self.DumpModule()
980    self.postProcessPackages()
981    self.framework.log.write('================================================================================\n')
982    self.logClear()
983    return
984