xref: /petsc/config/PETSc/Configure.py (revision cb497662fae1ebe98e095979598fa3ebb2f149fa)
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
175      fd.write('\n')
176      fd.write('Name: PETSc\n')
177      fd.write('Description: Library to solve ODEs and algebraic equations\n')
178      fd.write('Version: %s\n' % self.petscdir.version)
179      fd.write('Cflags: ' + ' '.join([self.setCompilers.CPPFLAGS] + cflags_inc) + '\n')
180      fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
181      # Remove RPATH flags from library list.  User can add them using
182      # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
183      fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
184    return
185
186  def DumpModule(self):
187    ''' Create a module file '''
188    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
189      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
190    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
191      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
192    if self.framework.argDB['prefix']:
193      installdir  = self.installdir.dir
194      installarch = ''
195      installpath = os.path.join(installdir,'bin')
196    else:
197      installdir  = self.petscdir.dir
198      installarch = self.arch.arch
199      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
200    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
201    fd.write('''\
202#%%Module
203
204proc ModulesHelp { } {
205    puts stderr "This module sets the path and environment variables for petsc-%s"
206    puts stderr "     see https://www.mcs.anl.gov/petsc/ for more information      "
207    puts stderr ""
208}
209module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
210
211set petsc_dir   "%s"
212set petsc_arch  "%s"
213
214setenv PETSC_ARCH "$petsc_arch"
215setenv PETSC_DIR "$petsc_dir"
216prepend-path PATH "%s"
217''' % (self.petscdir.version, installdir, installarch, installpath))
218    fd.close()
219    return
220
221  def Dump(self):
222    ''' Actually put the values into the configuration files '''
223    # eventually everything between -- should be gone
224    if self.mpi.usingMPIUni:
225      #
226      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
227      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)
228
229    self.setCompilers.pushLanguage('C')
230    compiler = self.setCompilers.getCompiler()
231    if compiler.endswith('mpicc') or compiler.endswith('mpiicc'):
232      try:
233        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
234        compiler = output.split(' ')[0]
235        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
236      except:
237        self.addDefine('MPICC_SHOW','"Unavailable"')
238    else:
239      self.addDefine('MPICC_SHOW','"Unavailable"')
240    self.setCompilers.popLanguage()
241#-----------------------------------------------------------------------------------------------------
242
243    # Sometimes we need C compiler, even if built with C++
244    self.setCompilers.pushLanguage('C')
245    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
246    self.setCompilers.popLanguage()
247
248    # And sometimes we need a C++ compiler even when PETSc is built with C
249    if hasattr(self.compilers, 'CXX'):
250      self.setCompilers.pushLanguage('Cxx')
251      self.addDefine('HAVE_CXX','1')
252      self.addMakeMacro('CXXPP_FLAGS',self.setCompilers.CXXPPFLAGS)
253      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
254      cxx_linker = self.setCompilers.getLinker()
255      self.addMakeMacro('CXX_LINKER',cxx_linker)
256      self.addMakeMacro('CXX_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
257      self.setCompilers.popLanguage()
258
259    # C preprocessor values
260    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
261
262    # compiler values
263    self.setCompilers.pushLanguage(self.languages.clanguage)
264    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
265    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
266    self.addMakeMacro('PCPP_FLAGS',getattr(self.setCompilers,self.languages.clanguage.upper()+'PPFLAGS'))
267    self.addMakeMacro('PFLAGS','${'+self.languages.clanguage.upper()+'FLAGS}')
268    self.addMakeMacro('PPPFLAGS','${'+self.languages.clanguage.upper()+'PPFLAGS}')
269    # ugly work-around for python3 distutils parse_makefile() issue with the above 2 lines
270    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'FLAGS','')
271    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'PPFLAGS','')
272    self.setCompilers.popLanguage()
273    # .o or .obj
274    self.addMakeMacro('CC_SUFFIX','o')
275
276    # executable linker values
277    self.setCompilers.pushLanguage(self.languages.clanguage)
278    pcc_linker = self.setCompilers.getLinker()
279    self.addMakeMacro('PCC_LINKER',pcc_linker)
280    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
281    self.setCompilers.popLanguage()
282    # '' for Unix, .exe for Windows
283    self.addMakeMacro('CC_LINKER_SUFFIX','')
284
285    if hasattr(self.compilers, 'FC'):
286      if self.framework.argDB['with-fortran-bindings']:
287        if not self.fortran.fortranIsF90:
288          raise RuntimeError('Error! Fortran compiler "'+self.compilers.FC+'" does not support F90! PETSc fortran bindings require a F90 compiler')
289        self.addDefine('HAVE_FORTRAN','1')
290      self.setCompilers.pushLanguage('FC')
291      # need FPPFLAGS in config/setCompilers
292      self.addMakeMacro('FPP_FLAGS',self.setCompilers.FPPFLAGS)
293
294      # compiler values
295      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
296      self.setCompilers.popLanguage()
297      # .o or .obj
298      self.addMakeMacro('FC_SUFFIX','o')
299
300      # executable linker values
301      self.setCompilers.pushLanguage('FC')
302      self.addMakeMacro('FC_LINKER',self.setCompilers.getLinker())
303      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
304      # apple requires this shared library linker flag on SOME versions of the os
305      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
306        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
307      self.setCompilers.popLanguage()
308
309      # F90 Modules
310      if self.setCompilers.fortranModuleIncludeFlag:
311        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
312      else: # for non-f90 compilers like g77
313        self.addMakeMacro('FC_MODULE_FLAG', '-I')
314      if self.setCompilers.fortranModuleIncludeFlag:
315        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
316    else:
317      self.addMakeMacro('FC','')
318
319    if hasattr(self.compilers, 'CUDAC'):
320      self.setCompilers.pushLanguage('CUDA')
321      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
322      self.setCompilers.popLanguage()
323
324    if hasattr(self.compilers, 'HIPCC'):
325      self.setCompilers.pushLanguage('HIP')
326      self.addMakeMacro('HIPCC_FLAGS',self.setCompilers.getCompilerFlags())
327      self.setCompilers.popLanguage()
328
329    if hasattr(self.compilers, 'SYCLCXX'):
330      self.setCompilers.pushLanguage('SYCL')
331      self.addMakeMacro('SYCLCXX_FLAGS',self.setCompilers.getCompilerFlags())
332      self.setCompilers.popLanguage()
333
334    # shared library linker values
335    self.setCompilers.pushLanguage(self.languages.clanguage)
336    # need to fix BuildSystem to collect these separately
337    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
338    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
339    self.setCompilers.popLanguage()
340    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
341    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
342    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
343      self.addMakeMacro('SL_LINKER_SUFFIX', '')
344      self.addDefine('SLSUFFIX','""')
345    else:
346      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
347      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
348
349    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
350
351#-----------------------------------------------------------------------------------------------------
352
353    # CONLY or CPP. We should change the PETSc makefiles to do this better
354    if self.languages.clanguage == 'C': lang = 'CONLY'
355    else: lang = 'CXXONLY'
356    self.addMakeMacro('PETSC_LANGUAGE',lang)
357
358    # real or complex
359    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
360    # double or float
361    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
362
363    if self.framework.argDB['with-batch']:
364      self.addMakeMacro('PETSC_WITH_BATCH','1')
365
366    # Test for compiler-specific macros that need to be defined.
367    if self.setCompilers.isCrayVector('CC', self.log):
368      self.addDefine('HAVE_CRAY_VECTOR','1')
369
370#-----------------------------------------------------------------------------------------------------
371    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
372      self.addDefine('USE_SOCKET_VIEWER','1')
373      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
374        self.addDefine('HAVE_SO_REUSEADDR','1')
375
376#-----------------------------------------------------------------------------------------------------
377    # print include and lib for makefiles
378    self.framework.packages.reverse()
379    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
380    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
381    includes = []
382    self.packagelibs = []
383    for i in self.framework.packages:
384      if not i.required:
385        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
386      if not isinstance(i.lib, list):
387        i.lib = [i.lib]
388      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
389      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
390      if hasattr(i,'include'):
391        if not isinstance(i.include,list):
392          i.include = [i.include]
393        includes.extend(i.include)
394        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
395    if self.framework.argDB['with-single-library']:
396      self.petsclib = '-lpetsc'
397    else:
398      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
399    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
400    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
401    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
402
403    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
404    allincludes = petscincludes + includes
405    allincludes_install = petscincludes_install + includes
406    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
407    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
408    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
409    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
410    if hasattr(self.compilers, 'FC'):
411      def modinc(includes):
412        return includes if self.fortran.fortranIsF90 else []
413      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
414      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
415
416    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
417
418    if self.framework.argDB['with-single-library']:
419      # overrides the values set in conf/variables
420      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
421      self.addMakeMacro('SHLIBS','libpetsc')
422      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
423      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
424      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
425      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
426      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
427      self.addDefine('USE_SINGLE_LIBRARY', '1')
428      if self.sharedlibraries.useShared:
429        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
430        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
431        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
432        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
433        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
434        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
435        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
436        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
437        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
438        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
439        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
440      else:
441        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
442        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
449        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
450        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
451        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
452
453    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
454      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
455
456# add a makefile endtry for display
457    if self.framework.argDB['with-display']:
458      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
459
460    # add a makefile entry for configure options
461    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
462    return
463
464  def dumpConfigInfo(self):
465    import time
466    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
467    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"').replace('\\ ','\\\\ ')+'";\n')
468    fd.close()
469    return
470
471  def dumpMachineInfo(self):
472    import platform
473    import datetime
474    import time
475    import script
476    def escape(s):
477      return s.replace('"',r'\"').replace(r'\ ',r'\\ ') # novermin
478    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
479    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
480    fd.write('\"-----------------------------------------\\n\"\n')
481    buildhost = platform.node()
482    if os.environ.get('SOURCE_DATE_EPOCH'):
483      buildhost = "reproducible"
484    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
485    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
486    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
487    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
488    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
489    fd.write('\"-----------------------------------------\\n\";\n')
490    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
491    self.setCompilers.pushLanguage(self.languages.clanguage)
492    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
493    self.setCompilers.popLanguage()
494    if hasattr(self.compilers, 'FC'):
495      self.setCompilers.pushLanguage('FC')
496      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
497      self.setCompilers.popLanguage()
498    fd.write('\"-----------------------------------------\\n\";\n')
499    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
500    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
501    fd.write('\"-----------------------------------------\\n\";\n')
502    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
503    self.setCompilers.pushLanguage(self.languages.clanguage)
504    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
505    self.setCompilers.popLanguage()
506    if hasattr(self.compilers, 'FC'):
507      self.setCompilers.pushLanguage('FC')
508      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
509      self.setCompilers.popLanguage()
510    fd.write('\"Using libraries: %s%s -L%s %s %s\\n\"\n' % (escape(self.setCompilers.CSharedLinkerFlag), escape(os.path.join(self.installdir.petscDir, self.installdir.petscArch, 'lib')), escape(os.path.join(self.installdir.petscDir, self.installdir.petscArch, 'lib')), escape(self.petsclib), escape(self.PETSC_EXTERNAL_LIB_BASIC)))
511    fd.write('\"-----------------------------------------\\n\";\n')
512    fd.close()
513    return
514
515  def configurePrefetch(self):
516    '''Sees if there are any prefetch functions supported'''
517    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
518      self.addDefine('Prefetch(a,b,c)', ' ')
519      return
520    self.pushLanguage(self.languages.clanguage)
521    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
522      # The Intel Intrinsics manual [1] specifies the prototype
523      #
524      #   void _mm_prefetch(char const *a, int sel);
525      #
526      # but other vendors seem to insist on using subtly different
527      # prototypes, including void* for the pointer, and an enum for
528      # sel.  These are both reasonable changes, but negatively impact
529      # portability.
530      #
531      # [1] https://software.intel.com/file/6373
532      self.addDefine('HAVE_XMMINTRIN_H', 1)
533      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
534      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
535      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
536      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
537      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
538    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
539      self.addDefine('HAVE_XMMINTRIN_H', 1)
540      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
541      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
542      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
543      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
544      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
545    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
546      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
547      #
548      #   The value of rw is a compile-time constant one or zero; one
549      #   means that the prefetch is preparing for a write to the memory
550      #   address and zero, the default, means that the prefetch is
551      #   preparing for a read. The value locality must be a compile-time
552      #   constant integer between zero and three. A value of zero means
553      #   that the data has no temporal locality, so it need not be left
554      #   in the cache after the access. A value of three means that the
555      #   data has a high degree of temporal locality and should be left
556      #   in all levels of cache possible. Values of one and two mean,
557      #   respectively, a low or moderate degree of temporal locality.
558      #
559      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
560      # hints.  Using macros for these values in necessary since some
561      # compilers require an enum.
562      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
563      self.addDefine('PREFETCH_HINT_NTA', '0')
564      self.addDefine('PREFETCH_HINT_T0',  '3')
565      self.addDefine('PREFETCH_HINT_T1',  '2')
566      self.addDefine('PREFETCH_HINT_T2',  '1')
567    else:
568      self.addDefine('Prefetch(a,b,c)', ' ')
569    self.popLanguage()
570
571  def configureAtoll(self):
572    '''Checks if atoll exists'''
573    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")'):
574       self.addDefine('HAVE_ATOLL', '1')
575
576  def configureUnused(self):
577    '''Sees if __attribute((unused)) is supported'''
578    if self.framework.argDB['with-ios']:
579      self.addDefine('UNUSED', ' ')
580      return
581    self.pushLanguage(self.languages.clanguage)
582    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'):
583      self.addDefine('UNUSED', '__attribute((unused))')
584    else:
585      self.addDefine('UNUSED', ' ')
586    self.popLanguage()
587
588  def configureIsatty(self):
589    '''Check if the Unix C function isatty() works correctly
590       Actually just assumes it does not work correctly on batch systems'''
591    if not self.framework.argDB['with-batch']:
592      self.addDefine('USE_ISATTY',1)
593
594  def configureDeprecated(self):
595    '''Check if __attribute((deprecated)) is supported'''
596    self.pushLanguage(self.languages.clanguage)
597    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
598    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
599    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
600    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
601    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
602    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
603    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
604    ## why we can't have nice things.
605    #
606    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
607    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
608    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
609    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
610      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
611      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
612    else:
613      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
614      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
615    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
616      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
617    else:
618      self.addDefine('DEPRECATED_ENUM(why)', ' ')
619    # 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
620    # hence the deprecation message is handled as it is
621    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
622      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
623    else:
624      self.addDefine('DEPRECATED_MACRO(why)', ' ')
625    self.popLanguage()
626
627  def configureAlign(self):
628    '''Check if __attribute(aligned) is supported'''
629    code = '''\
630struct mystruct {int myint;} __attribute((aligned(16)));
631char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
632'''
633    self.pushLanguage(self.languages.clanguage)
634    if self.checkCompile(code):
635      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
636      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
637    else:
638      self.framework.logPrint('Incorrect attribute(aligned)')
639      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
640    self.popLanguage()
641    return
642
643  def configureExpect(self):
644    '''Sees if the __builtin_expect directive is supported'''
645    self.pushLanguage(self.languages.clanguage)
646    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
647      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
648    self.popLanguage()
649
650  def configureFunctionName(self):
651    '''Sees if the compiler supports __func__ or a variant.'''
652    def getFunctionName(lang):
653      name = '"unknown"'
654      self.pushLanguage(lang)
655      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
656        code = "if ("+fname+"[0] != 'm') return 1;"
657        if self.checkCompile('',code) and self.checkLink('',code):
658          name = fname
659          break
660      self.popLanguage()
661      return name
662    langs = []
663
664    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
665    if hasattr(self.compilers, 'CXX'):
666      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
667
668  def configureIntptrt(self):
669    '''Determine what to use for uintptr_t'''
670    def staticAssertSizeMatchesVoidStar(inc,typename):
671      # The declaration is an error if either array size is negative.
672      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
673      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
674                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
675    self.pushLanguage(self.languages.clanguage)
676    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
677      self.addDefine('UINTPTR_T', 'uintptr_t')
678    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
679      self.addDefine('UINTPTR_T', 'unsigned long long')
680    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
681      self.addDefine('UINTPTR_T', 'size_t')
682    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
683      self.addDefine('UINTPTR_T', 'unsigned long')
684    elif staticAssertSizeMatchesVoidStar('','unsigned'):
685      self.addDefine('UINTPTR_T', 'unsigned')
686    else:
687      raise RuntimeError('Could not find any unsigned integer type matching void*')
688    self.popLanguage()
689
690  def configureRTLDDefault(self):
691    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
692      self.addDefine('RTLD_DEFAULT','1')
693    return
694
695  def configureSolaris(self):
696    '''Solaris specific stuff'''
697    if os.path.isdir(os.path.join('/usr','ucblib')):
698      try:
699        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
700      except AttributeError:
701        flag = None
702      if flag is None:
703        self.compilers.LIBS += ' -L/usr/ucblib'
704      else:
705        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
706    return
707
708  def configureLinux(self):
709    '''Linux specific stuff'''
710    # TODO: Test for this by mallocing an odd number of floats and checking the address
711    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
712    return
713
714  def configureWin32(self):
715    '''Win32 non-cygwin specific stuff'''
716    kernel32=0
717    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
718      self.addDefine('HAVE_WINDOWS_H',1)
719      self.addDefine('HAVE_GETCOMPUTERNAME',1)
720      kernel32=1
721    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
722      self.addDefine('HAVE_WINDOWS_H',1)
723      self.addDefine('HAVE_GETCOMPUTERNAME',1)
724      kernel32=1
725    if kernel32:
726      if self.framework.argDB['with-windows-graphics']:
727        self.addDefine('USE_WINDOWS_GRAPHICS',1)
728      if self.checkLink('#include <windows.h>','LoadLibrary(0)'):
729        self.addDefine('HAVE_LOADLIBRARY',1)
730      if self.checkLink('#include <windows.h>','GetProcAddress(0,0)'):
731        self.addDefine('HAVE_GETPROCADDRESS',1)
732      if self.checkLink('#include <windows.h>','FreeLibrary(0)'):
733        self.addDefine('HAVE_FREELIBRARY',1)
734      if self.checkLink('#include <windows.h>','GetLastError()'):
735        self.addDefine('HAVE_GETLASTERROR',1)
736      if self.checkLink('#include <windows.h>','SetLastError(0)'):
737        self.addDefine('HAVE_SETLASTERROR',1)
738      if self.checkLink('#include <windows.h>\n','QueryPerformanceCounter(0);\n'):
739        self.addDefine('USE_MICROSOFT_TIME',1)
740    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
741      self.addDefine('HAVE_GET_USER_NAME',1)
742    elif self.libraries.add('advapi32','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
743      self.addDefine('HAVE_GET_USER_NAME',1)
744
745    if not self.libraries.add('User32.lib','GetDC',prototype='#include <windows.h>',call='GetDC(0);'):
746      self.libraries.add('user32','GetDC',prototype='#include <windows.h>',call='GetDC(0);')
747    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);'):
748      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);')
749
750    self.types.check('int32_t', 'int')
751    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
752      self.addTypedef('int', 'uid_t')
753      self.addTypedef('int', 'gid_t')
754    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
755      self.framework.addDefine('R_OK', '04')
756      self.framework.addDefine('W_OK', '02')
757      self.framework.addDefine('X_OK', '01')
758    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
759      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
760      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
761    if self.checkCompile('#include <windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
762      self.addDefine('HAVE_LARGE_INTEGER_U',1)
763
764    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
765    if self.checkCompile('#include <windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
766      self.addDefine('HAVE_O_BINARY',1)
767
768    if self.compilers.CC.find('win32fe') >= 0:
769      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
770      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
771      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
772      self.addDefine('CANNOT_START_DEBUGGER',1)
773      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
774      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
775      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
776      self.addMakeMacro('wPETSC_DIR',petscdir)
777      if self.dataFilesPath.datafilespath:
778        (datafilespath,error,status) = self.executeShellCommand('cygpath -m '+self.dataFilesPath.datafilespath, log = self.log)
779        self.addMakeMacro('DATAFILESPATH',datafilespath)
780
781    else:
782      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
783      self.addDefine('DIR_SEPARATOR','\'/\'')
784      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
785      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
786      if self.dataFilesPath.datafilespath:
787        self.addMakeMacro('DATAFILESPATH',self.dataFilesPath.datafilespath)
788    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
789    return
790
791#-----------------------------------------------------------------------------------------------------
792  def configureCygwinBrokenPipe(self):
793    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
794    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
795    if config.setCompilers.Configure.isCygwin(self.log):
796      import platform
797      import re
798      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
799      m=r.match(platform.release())
800      major=int(m.group(1))
801      minor=int(m.group(2))
802      subminor=int(m.group(3))
803      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
804        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
805    return
806
807#-----------------------------------------------------------------------------------------------------
808  def configureDefaultArch(self):
809    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
810    if self.framework.argDB['with-default-arch']:
811      fd = open(conffile, 'w')
812      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
813      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
814      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
815      fd.close()
816      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
817    elif os.path.isfile(conffile):
818      try:
819        os.unlink(conffile)
820      except:
821        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
822    return
823
824#-----------------------------------------------------------------------------------------------------
825  def configureScript(self):
826    '''Output a script in the conf directory which will reproduce the configuration'''
827    import nargs
828    import sys
829    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
830    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
831    if 'with-clean' in args:
832      del args['with-clean']
833    if 'force' in args:
834      del args['force']
835    if 'configModules' in args:
836      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
837        del args['configModules']
838    if 'optionsModule' in args:
839      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
840        del args['optionsModule']
841    if not 'PETSC_ARCH' in args:
842      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
843    f = open(scriptName, 'w')
844    f.write('#!'+sys.executable+'\n')
845    f.write('if __name__ == \'__main__\':\n')
846    f.write('  import sys\n')
847    f.write('  import os\n')
848    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
849    f.write('  import configure\n')
850    # pretty print repr(args.values())
851    f.write('  configure_options = [\n')
852    for itm in sorted(args.values()):
853      f.write('    \''+str(itm)+'\',\n')
854    f.write('  ]\n')
855    f.write('  configure.petsc_configure(configure_options)\n')
856    f.close()
857    try:
858      os.chmod(scriptName, 0o775)
859    except OSError as e:
860      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
861    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
862    return
863
864  def configureInstall(self):
865    '''Setup the directories for installation'''
866    if self.framework.argDB['prefix']:
867      self.addMakeRule('print_mesg_after_build','',
868       ['-@echo "========================================="',
869        '-@echo "Now to install the libraries do:"',
870        '-@echo "%s${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"' % self.installdir.installSudo,
871        '-@echo "========================================="'])
872    else:
873      self.addMakeRule('print_mesg_after_build','',
874       ['-@echo "========================================="',
875        '-@echo "Now to check if the libraries are working do:"',
876        '-@echo "${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',
877        '-@echo "========================================="'])
878      return
879
880  def configureGCOV(self):
881    if self.framework.argDB['with-gcov']:
882      self.addDefine('USE_GCOV','1')
883    return
884
885  def postProcessPackages(self):
886    postPackages=[]
887    for i in self.framework.packages:
888      if hasattr(i,'postProcess'): postPackages.append(i)
889    if postPackages:
890      # ctetgen needs petsc conf files. so attempt to create them early
891      self.framework.dumpConfFiles()
892      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
893      for i in postPackages:
894        if i.name.upper() in ['PFLOTRAN']:
895          i.postProcess()
896          postPackages.remove(i)
897      for i in postPackages: i.postProcess()
898      for i in postPackages:
899        if i.installedpetsc:
900          self.installed = 1
901          break
902    return
903
904  def configure(self):
905    if 'package-prefix-hash' in self.argDB:
906      # turn off prefix if it was only used to for installing external packages.
907      self.framework.argDB['prefix'] = ''
908      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
909      self.installdir.dir = self.dir
910      self.installdir.petscDir = self.petscdir.dir
911      self.petscDir = self.petscdir.dir
912      self.petscArch = self.arch.arch
913      self.addMakeMacro('PREFIXDIR',self.dir)
914      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
915
916    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
917      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
918    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
919      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
920    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
921      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')
922    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)):
923      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
924    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
925    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
926    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
927    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
928    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
929    if self.libraries.math is None:
930      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
931    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
932      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
933    self.executeTest(self.configureRTLDDefault)
934    self.executeTest(self.configurePrefetch)
935    self.executeTest(self.configureUnused)
936    self.executeTest(self.configureDeprecated)
937    self.executeTest(self.configureIsatty)
938    self.executeTest(self.configureExpect)
939    self.executeTest(self.configureAlign)
940    self.executeTest(self.configureFunctionName)
941    self.executeTest(self.configureIntptrt)
942    self.executeTest(self.configureSolaris)
943    self.executeTest(self.configureLinux)
944    self.executeTest(self.configureWin32)
945    self.executeTest(self.configureCygwinBrokenPipe)
946    self.executeTest(self.configureDefaultArch)
947    self.executeTest(self.configureScript)
948    self.executeTest(self.configureInstall)
949    self.executeTest(self.configureGCOV)
950    self.executeTest(self.configureAtoll)
951
952    self.Dump()
953    self.dumpConfigInfo()
954    self.dumpMachineInfo()
955    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
956    self.framework.storeSubstitutions(self.framework.argDB)
957    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
958    self.framework.argDB.save(force = True)
959    self.DumpPkgconfig('PETSc.pc')
960    self.DumpPkgconfig('petsc.pc')
961    self.DumpModule()
962    self.postProcessPackages()
963    self.framework.log.write('================================================================================\n')
964    self.logClear()
965    return
966