xref: /petsc/config/PETSc/Configure.py (revision a3d0cf85f51e7fdec4f84d2d39b29bdf0224b99b)
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
182      fd.write('\n')
183      fd.write('Name: PETSc\n')
184      fd.write('Description: Library to solve ODEs and algebraic equations\n')
185      fd.write('Version: %s\n' % self.petscdir.version)
186      fd.write('Cflags: ' + ' '.join([self.setCompilers.CPPFLAGS] + cflags_inc) + '\n')
187      fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
188      # Remove RPATH flags from library list.  User can add them using
189      # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
190      fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
191    return
192
193  def DumpModule(self):
194    ''' Create a module file '''
195    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
196      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
197    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
198      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
199    if self.framework.argDB['prefix']:
200      installdir  = self.installdir.dir
201      installarch = ''
202      installpath = os.path.join(installdir,'bin')
203    else:
204      installdir  = self.petscdir.dir
205      installarch = self.arch.arch
206      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
207    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
208    fd.write('''\
209#%%Module
210
211proc ModulesHelp { } {
212    puts stderr "This module sets the path and environment variables for petsc-%s"
213    puts stderr "     see https://www.mcs.anl.gov/petsc/ for more information      "
214    puts stderr ""
215}
216module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
217
218set petsc_dir   "%s"
219set petsc_arch  "%s"
220
221setenv PETSC_ARCH "$petsc_arch"
222setenv PETSC_DIR "$petsc_dir"
223prepend-path PATH "%s"
224''' % (self.petscdir.version, installdir, installarch, installpath))
225    fd.close()
226    return
227
228  def Dump(self):
229    ''' Actually put the values into the configuration files '''
230    # eventually everything between -- should be gone
231    if self.mpi.usingMPIUni:
232      #
233      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
234      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)
235
236    self.logPrintDivider()
237    # Test for compiler-specific macros that need to be defined.
238    if self.setCompilers.isCrayVector('CC', self.log):
239      self.addDefine('HAVE_CRAY_VECTOR','1')
240
241    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
242      self.addDefine('USE_SOCKET_VIEWER','1')
243      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
244        self.addDefine('HAVE_SO_REUSEADDR','1')
245
246    self.logPrintDivider()
247    self.setCompilers.pushLanguage('C')
248    compiler = self.setCompilers.getCompiler()
249    if compiler.endswith('mpicc') or compiler.endswith('mpiicc'):
250      try:
251        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
252        compiler = output.split(' ')[0]
253        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
254      except:
255        self.addDefine('MPICC_SHOW','"Unavailable"')
256    else:
257      self.addDefine('MPICC_SHOW','"Unavailable"')
258    self.setCompilers.popLanguage()
259#-----------------------------------------------------------------------------------------------------
260
261    # Sometimes we need C compiler, even if built with C++
262    self.setCompilers.pushLanguage('C')
263    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
264    self.setCompilers.popLanguage()
265
266    # And sometimes we need a C++ compiler even when PETSc is built with C
267    if hasattr(self.compilers, 'CXX'):
268      self.setCompilers.pushLanguage('Cxx')
269      self.addDefine('HAVE_CXX','1')
270      self.addMakeMacro('CXXPP_FLAGS',self.setCompilers.CXXPPFLAGS)
271      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
272      cxx_linker = self.setCompilers.getLinker()
273      self.addMakeMacro('CXX_LINKER',cxx_linker)
274      self.addMakeMacro('CXX_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
275      self.setCompilers.popLanguage()
276
277    # C preprocessor values
278    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
279
280    # compiler values
281    self.setCompilers.pushLanguage(self.languages.clanguage)
282    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
283    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
284    self.addMakeMacro('PCPP_FLAGS',getattr(self.setCompilers,self.languages.clanguage.upper()+'PPFLAGS'))
285    self.addMakeMacro('PFLAGS','${'+self.languages.clanguage.upper()+'FLAGS}')
286    self.addMakeMacro('PPPFLAGS','${'+self.languages.clanguage.upper()+'PPFLAGS}')
287    # ugly work-around for python3 distutils parse_makefile() issue with the above 2 lines
288    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'FLAGS','')
289    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'PPFLAGS','')
290    self.setCompilers.popLanguage()
291    # .o or .obj
292    self.addMakeMacro('CC_SUFFIX','o')
293
294    # executable linker values
295    self.setCompilers.pushLanguage(self.languages.clanguage)
296    pcc_linker = self.setCompilers.getLinker()
297    self.addMakeMacro('PCC_LINKER',pcc_linker)
298    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
299    self.setCompilers.popLanguage()
300    # '' for Unix, .exe for Windows
301    self.addMakeMacro('CC_LINKER_SUFFIX','')
302
303    if hasattr(self.compilers, 'FC'):
304      if self.framework.argDB['with-fortran-bindings']:
305        if not self.fortran.fortranIsF90:
306          raise RuntimeError('Error! Fortran compiler "'+self.compilers.FC+'" does not support F90! PETSc fortran bindings require a F90 compiler')
307        self.addDefine('HAVE_FORTRAN','1')
308      self.setCompilers.pushLanguage('FC')
309      # need FPPFLAGS in config/setCompilers
310      self.addMakeMacro('FPP_FLAGS',self.setCompilers.FPPFLAGS)
311
312      # compiler values
313      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
314      self.setCompilers.popLanguage()
315      # .o or .obj
316      self.addMakeMacro('FC_SUFFIX','o')
317
318      # executable linker values
319      self.setCompilers.pushLanguage('FC')
320      self.addMakeMacro('FC_LINKER',self.setCompilers.getLinker())
321      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
322      # apple requires this shared library linker flag on SOME versions of the os
323      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
324        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
325      self.setCompilers.popLanguage()
326
327      # F90 Modules
328      if self.setCompilers.fortranModuleIncludeFlag:
329        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
330      else: # for non-f90 compilers like g77
331        self.addMakeMacro('FC_MODULE_FLAG', '-I')
332      if self.setCompilers.fortranModuleIncludeFlag:
333        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
334    else:
335      self.addMakeMacro('FC','')
336
337    if hasattr(self.compilers, 'CUDAC'):
338      self.setCompilers.pushLanguage('CUDA')
339      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
340      self.setCompilers.popLanguage()
341
342    if hasattr(self.compilers, 'HIPCC'):
343      self.setCompilers.pushLanguage('HIP')
344      self.addMakeMacro('HIPCC_FLAGS',self.setCompilers.getCompilerFlags())
345      self.setCompilers.popLanguage()
346
347    if hasattr(self.compilers, 'SYCLCXX'):
348      self.setCompilers.pushLanguage('SYCL')
349      self.addMakeMacro('SYCLCXX_FLAGS',self.setCompilers.getCompilerFlags())
350      self.setCompilers.popLanguage()
351
352    # shared library linker values
353    self.setCompilers.pushLanguage(self.languages.clanguage)
354    # need to fix BuildSystem to collect these separately
355    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
356    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
357    self.setCompilers.popLanguage()
358    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
359    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
360    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
361      self.addMakeMacro('SL_LINKER_SUFFIX', '')
362      self.addDefine('SLSUFFIX','""')
363    else:
364      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
365      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
366
367    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
368
369#-----------------------------------------------------------------------------------------------------
370
371    # CONLY or CPP. We should change the PETSc makefiles to do this better
372    if self.languages.clanguage == 'C': lang = 'CONLY'
373    else: lang = 'CXXONLY'
374    self.addMakeMacro('PETSC_LANGUAGE',lang)
375
376    # real or complex
377    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
378    # double or float
379    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
380
381    if self.framework.argDB['with-batch']:
382      self.addMakeMacro('PETSC_WITH_BATCH','1')
383
384#-----------------------------------------------------------------------------------------------------
385    # print include and lib for makefiles
386    self.logPrintDivider()
387    self.framework.packages.reverse()
388    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
389    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
390    includes = []
391    self.packagelibs = []
392    for i in self.framework.packages:
393      if not i.required:
394        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 configureAtoll(self):
581    '''Checks if atoll exists'''
582    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")'):
583       self.addDefine('HAVE_ATOLL', '1')
584
585  def configureUnused(self):
586    '''Sees if __attribute((unused)) is supported'''
587    if self.framework.argDB['with-ios']:
588      self.addDefine('UNUSED', ' ')
589      return
590    self.pushLanguage(self.languages.clanguage)
591    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'):
592      self.addDefine('UNUSED', '__attribute((unused))')
593    else:
594      self.addDefine('UNUSED', ' ')
595    self.popLanguage()
596
597  def configureIsatty(self):
598    '''Check if the Unix C function isatty() works correctly
599       Actually just assumes it does not work correctly on batch systems'''
600    if not self.framework.argDB['with-batch']:
601      self.addDefine('USE_ISATTY',1)
602
603  def configureDeprecated(self):
604    '''Check if __attribute((deprecated)) is supported'''
605    self.pushLanguage(self.languages.clanguage)
606    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
607    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
608    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
609    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
610    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
611    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
612    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
613    ## why we can't have nice things.
614    #
615    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
616    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
617    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
618    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
619      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
620      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
621    else:
622      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
623      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
624    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
625      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
626    else:
627      self.addDefine('DEPRECATED_ENUM(why)', ' ')
628    # 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
629    # hence the deprecation message is handled as it is
630    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
631      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
632    else:
633      self.addDefine('DEPRECATED_MACRO(why)', ' ')
634    self.popLanguage()
635
636  def configureAlign(self):
637    '''Check if __attribute(aligned) is supported'''
638    code = '''\
639struct mystruct {int myint;} __attribute((aligned(16)));
640char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
641'''
642    self.pushLanguage(self.languages.clanguage)
643    if self.checkCompile(code):
644      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
645      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
646    else:
647      self.framework.logPrint('Incorrect attribute(aligned)')
648      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
649    self.popLanguage()
650    return
651
652  def configureExpect(self):
653    '''Sees if the __builtin_expect directive is supported'''
654    self.pushLanguage(self.languages.clanguage)
655    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
656      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
657    self.popLanguage()
658
659  def configureFunctionName(self):
660    '''Sees if the compiler supports __func__ or a variant.'''
661    def getFunctionName(lang):
662      name = '"unknown"'
663      self.pushLanguage(lang)
664      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
665        code = "if ("+fname+"[0] != 'm') return 1;"
666        if self.checkCompile('',code) and self.checkLink('',code):
667          name = fname
668          break
669      self.popLanguage()
670      return name
671    langs = []
672
673    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
674    if hasattr(self.compilers, 'CXX'):
675      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
676
677  def configureIntptrt(self):
678    '''Determine what to use for uintptr_t'''
679    def staticAssertSizeMatchesVoidStar(inc,typename):
680      # The declaration is an error if either array size is negative.
681      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
682      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
683                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
684    self.pushLanguage(self.languages.clanguage)
685    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
686      self.addDefine('UINTPTR_T', 'uintptr_t')
687    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
688      self.addDefine('UINTPTR_T', 'unsigned long long')
689    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
690      self.addDefine('UINTPTR_T', 'size_t')
691    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
692      self.addDefine('UINTPTR_T', 'unsigned long')
693    elif staticAssertSizeMatchesVoidStar('','unsigned'):
694      self.addDefine('UINTPTR_T', 'unsigned')
695    else:
696      raise RuntimeError('Could not find any unsigned integer type matching void*')
697    self.popLanguage()
698
699  def configureRTLDDefault(self):
700    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
701      self.addDefine('RTLD_DEFAULT','1')
702    return
703
704  def configureSolaris(self):
705    '''Solaris specific stuff'''
706    if os.path.isdir(os.path.join('/usr','ucblib')):
707      try:
708        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
709      except AttributeError:
710        flag = None
711      if flag is None:
712        self.compilers.LIBS += ' -L/usr/ucblib'
713      else:
714        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
715    return
716
717  def configureLinux(self):
718    '''Linux specific stuff'''
719    # TODO: Test for this by mallocing an odd number of floats and checking the address
720    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
721    return
722
723  def configureWin32(self):
724    '''Win32 non-cygwin specific stuff'''
725    kernel32=0
726    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
727      self.addDefine('HAVE_WINDOWS_H',1)
728      self.addDefine('HAVE_GETCOMPUTERNAME',1)
729      kernel32=1
730    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
731      self.addDefine('HAVE_WINDOWS_H',1)
732      self.addDefine('HAVE_GETCOMPUTERNAME',1)
733      kernel32=1
734    if kernel32:
735      if self.framework.argDB['with-windows-graphics']:
736        self.addDefine('USE_WINDOWS_GRAPHICS',1)
737      if self.checkLink('#include <windows.h>','LoadLibrary(0)'):
738        self.addDefine('HAVE_LOADLIBRARY',1)
739      if self.checkLink('#include <windows.h>','GetProcAddress(0,0)'):
740        self.addDefine('HAVE_GETPROCADDRESS',1)
741      if self.checkLink('#include <windows.h>','FreeLibrary(0)'):
742        self.addDefine('HAVE_FREELIBRARY',1)
743      if self.checkLink('#include <windows.h>','GetLastError()'):
744        self.addDefine('HAVE_GETLASTERROR',1)
745      if self.checkLink('#include <windows.h>','SetLastError(0)'):
746        self.addDefine('HAVE_SETLASTERROR',1)
747      if self.checkLink('#include <windows.h>\n','QueryPerformanceCounter(0);\n'):
748        self.addDefine('USE_MICROSOFT_TIME',1)
749    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
750      self.addDefine('HAVE_GET_USER_NAME',1)
751    elif self.libraries.add('advapi32','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
752      self.addDefine('HAVE_GET_USER_NAME',1)
753
754    if not self.libraries.add('User32.lib','GetDC',prototype='#include <windows.h>',call='GetDC(0);'):
755      self.libraries.add('user32','GetDC',prototype='#include <windows.h>',call='GetDC(0);')
756    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);'):
757      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);')
758
759    self.types.check('int32_t', 'int')
760    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
761      self.addTypedef('int', 'uid_t')
762      self.addTypedef('int', 'gid_t')
763    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
764      self.framework.addDefine('R_OK', '04')
765      self.framework.addDefine('W_OK', '02')
766      self.framework.addDefine('X_OK', '01')
767    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
768      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
769      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
770    if self.checkCompile('#include <windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
771      self.addDefine('HAVE_LARGE_INTEGER_U',1)
772
773    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
774    if self.checkCompile('#include <windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
775      self.addDefine('HAVE_O_BINARY',1)
776
777    if self.compilers.CC.find('win32fe') >= 0:
778      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
779      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
780      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
781      self.addDefine('CANNOT_START_DEBUGGER',1)
782      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
783      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
784      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
785      self.addMakeMacro('wPETSC_DIR',petscdir)
786      if self.dataFilesPath.datafilespath:
787        (datafilespath,error,status) = self.executeShellCommand('cygpath -m '+self.dataFilesPath.datafilespath, log = self.log)
788        self.addMakeMacro('DATAFILESPATH',datafilespath)
789
790    else:
791      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
792      self.addDefine('DIR_SEPARATOR','\'/\'')
793      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
794      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
795      if self.dataFilesPath.datafilespath:
796        self.addMakeMacro('DATAFILESPATH',self.dataFilesPath.datafilespath)
797    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
798    return
799
800#-----------------------------------------------------------------------------------------------------
801  def configureCygwinBrokenPipe(self):
802    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
803    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
804    if config.setCompilers.Configure.isCygwin(self.log):
805      import platform
806      import re
807      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
808      m=r.match(platform.release())
809      major=int(m.group(1))
810      minor=int(m.group(2))
811      subminor=int(m.group(3))
812      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
813        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
814    return
815
816#-----------------------------------------------------------------------------------------------------
817  def configureDefaultArch(self):
818    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
819    if self.framework.argDB['with-default-arch']:
820      fd = open(conffile, 'w')
821      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
822      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
823      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
824      fd.close()
825      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
826    elif os.path.isfile(conffile):
827      try:
828        os.unlink(conffile)
829      except:
830        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
831    return
832
833#-----------------------------------------------------------------------------------------------------
834  def configureScript(self):
835    '''Output a script in the conf directory which will reproduce the configuration'''
836    import nargs
837    import sys
838    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
839    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
840    if 'with-clean' in args:
841      del args['with-clean']
842    if 'force' in args:
843      del args['force']
844    if 'configModules' in args:
845      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
846        del args['configModules']
847    if 'optionsModule' in args:
848      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
849        del args['optionsModule']
850    if not 'PETSC_ARCH' in args:
851      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
852    f = open(scriptName, 'w')
853    f.write('#!'+sys.executable+'\n')
854    f.write('if __name__ == \'__main__\':\n')
855    f.write('  import sys\n')
856    f.write('  import os\n')
857    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
858    f.write('  import configure\n')
859    # pretty print repr(args.values())
860    f.write('  configure_options = [\n')
861    for itm in sorted(args.values()):
862      f.write('    \''+str(itm)+'\',\n')
863    f.write('  ]\n')
864    f.write('  configure.petsc_configure(configure_options)\n')
865    f.close()
866    try:
867      os.chmod(scriptName, 0o775)
868    except OSError as e:
869      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
870    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
871    return
872
873  def configureInstall(self):
874    '''Setup the directories for installation'''
875    if self.framework.argDB['prefix']:
876      self.addMakeRule('print_mesg_after_build','',
877       ['-@echo "========================================="',
878        '-@echo "Now to install the libraries do:"',
879        '-@echo "%s${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"' % self.installdir.installSudo,
880        '-@echo "========================================="'])
881    else:
882      self.addMakeRule('print_mesg_after_build','',
883       ['-@echo "========================================="',
884        '-@echo "Now to check if the libraries are working do:"',
885        '-@echo "${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',
886        '-@echo "========================================="'])
887      return
888
889  def configureGCOV(self):
890    if self.framework.argDB['with-gcov']:
891      self.addDefine('USE_GCOV','1')
892    return
893
894  def postProcessPackages(self):
895    postPackages=[]
896    for i in self.framework.packages:
897      if hasattr(i,'postProcess'): postPackages.append(i)
898    if postPackages:
899      # ctetgen needs petsc conf files. so attempt to create them early
900      self.framework.dumpConfFiles()
901      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
902      for i in postPackages:
903        if i.name.upper() in ['PFLOTRAN']:
904          i.postProcess()
905          postPackages.remove(i)
906      for i in postPackages: i.postProcess()
907      for i in postPackages:
908        if i.installedpetsc:
909          self.installed = 1
910          break
911    return
912
913  def configure(self):
914    if 'package-prefix-hash' in self.argDB:
915      # turn off prefix if it was only used to for installing external packages.
916      self.framework.argDB['prefix'] = ''
917      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
918      self.installdir.dir = self.dir
919      self.installdir.petscDir = self.petscdir.dir
920      self.petscDir = self.petscdir.dir
921      self.petscArch = self.arch.arch
922      self.addMakeMacro('PREFIXDIR',self.dir)
923      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
924
925    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
926      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
927    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
928      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
929    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
930      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')
931    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)):
932      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
933    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
934    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
935    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
936    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
937    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
938    if self.libraries.math is None:
939      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
940    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
941      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
942    self.executeTest(self.configureRTLDDefault)
943    self.executeTest(self.configurePrefetch)
944    self.executeTest(self.configureUnused)
945    self.executeTest(self.configureDeprecated)
946    self.executeTest(self.configureIsatty)
947    self.executeTest(self.configureExpect)
948    self.executeTest(self.configureAlign)
949    self.executeTest(self.configureFunctionName)
950    self.executeTest(self.configureIntptrt)
951    self.executeTest(self.configureSolaris)
952    self.executeTest(self.configureLinux)
953    self.executeTest(self.configureWin32)
954    self.executeTest(self.configureCygwinBrokenPipe)
955    self.executeTest(self.configureDefaultArch)
956    self.executeTest(self.configureScript)
957    self.executeTest(self.configureInstall)
958    self.executeTest(self.configureGCOV)
959    self.executeTest(self.configureAtoll)
960
961    self.Dump()
962    self.dumpConfigInfo()
963    self.dumpMachineInfo()
964    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
965    self.framework.storeSubstitutions(self.framework.argDB)
966    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
967    self.framework.argDB.save(force = True)
968    self.DumpPkgconfig('PETSc.pc')
969    self.DumpPkgconfig('petsc.pc')
970    self.DumpModule()
971    self.postProcessPackages()
972    self.framework.log.write('================================================================================\n')
973    self.logClear()
974    return
975