xref: /petsc/config/PETSc/Configure.py (revision 2fa40bb9206b96114faa7cb222621ec184d31cd2)
1import config.base
2
3import os
4import sys
5import re
6import pickle
7
8class Configure(config.base.Configure):
9  def __init__(self, framework):
10    config.base.Configure.__init__(self, framework)
11    self.headerPrefix = 'PETSC'
12    self.substPrefix  = 'PETSC'
13    self.installed = 0 # 1 indicates that Configure itself has already compiled and installed PETSc
14    return
15
16  def __str2__(self):
17    desc = ['  Using GNU make: ' + self.make.make]
18    if not self.installed:
19      desc.append('xxx=========================================================================xxx')
20      desc.append(' Configure stage complete. Now build PETSc libraries with:')
21      desc.append('   %s PETSC_DIR=%s PETSC_ARCH=%s all' % (self.make.make_user, self.petscdir.dir, self.arch.arch))
22      desc.append('xxx=========================================================================xxx')
23    else:
24      desc.append('xxx=========================================================================xxx')
25      desc.append(' Installation complete. You do not need to run make to compile or install the software')
26      desc.append('xxx=========================================================================xxx')
27    return '\n'.join(desc)+'\n'
28
29  def setupHelp(self, help):
30    import nargs
31    help.addArgument('PETSc',  '-prefix=<dir>',                              nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
32    help.addArgument('PETSc',  '-with-prefetch=<bool>',                      nargs.ArgBool(None, 1,'Enable checking for prefetch instructions'))
33    help.addArgument('Windows','-with-windows-graphics=<bool>',              nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
34    help.addArgument('PETSc', '-with-default-arch=<bool>',                   nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
35    help.addArgument('PETSc','-with-single-library=<bool>',                  nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
36    help.addArgument('PETSc','-with-fortran-bindings=<bool>',                nargs.ArgBool(None, 1,'Build PETSc fortran bindings in the library and corresponding module files'))
37    help.addArgument('PETSc', '-with-ios=<bool>',                            nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
38    help.addArgument('PETSc', '-with-xsdk-defaults',                         nargs.ArgBool(None, 0, 'Set the following as defaults for the xSDK standard: --enable-debug=1, --enable-shared=1, --with-precision=double, --with-index-size=32, locate blas/lapack automatically'))
39    help.addArgument('PETSc', '-with-display=<x11display>',                  nargs.Arg(None, '', 'Specifiy DISPLAY env variable for use with matlab test)'))
40    help.addArgument('PETSc', '-with-package-scripts=<pyscripts>',           nargs.ArgFileList(None,None,'Specify configure package scripts for user provided packages'))
41    return
42
43  def registerPythonFile(self,filename,directory):
44    ''' Add a python file to the framework and registers its headerprefix, ... externalpackagedir
45        directory is the directory where the file relative to the BuildSystem or config path in python notation with . '''
46    (utilityName, ext) = os.path.splitext(filename)
47    if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
48      if directory: directory = directory+'.'
49      utilityObj                             = self.framework.require(directory+utilityName, self)
50      utilityObj.headerPrefix                = self.headerPrefix
51      utilityObj.archProvider                = self.arch
52      utilityObj.languageProvider            = self.languages
53      utilityObj.installDirProvider          = self.installdir
54      utilityObj.externalPackagesDirProvider = self.externalpackagesdir
55      utilityObj.precisionProvider           = self.scalartypes
56      utilityObj.indexProvider               = self.indexTypes
57      setattr(self, utilityName.lower(), utilityObj)
58      return utilityObj
59    return None
60
61  def setupDependencies(self, framework):
62    config.base.Configure.setupDependencies(self, framework)
63    self.programs      = framework.require('config.programs',           self)
64    self.setCompilers  = framework.require('config.setCompilers',       self)
65    self.compilers     = framework.require('config.compilers',          self)
66    self.arch          = framework.require('PETSc.options.arch',        self.setCompilers)
67    self.petscdir      = framework.require('PETSc.options.petscdir',    self.arch)
68    self.installdir    = framework.require('PETSc.options.installDir',  self)
69    self.dataFilesPath = framework.require('PETSc.options.dataFilesPath',self)
70    self.scalartypes   = framework.require('PETSc.options.scalarTypes', self)
71    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self)
72    self.languages     = framework.require('PETSc.options.languages',   self.setCompilers)
73    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self.compilers)
74    self.types         = framework.require('config.types',              self)
75    self.headers       = framework.require('config.headers',            self)
76    self.functions     = framework.require('config.functions',          self)
77    self.libraries     = framework.require('config.libraries',          self)
78    self.atomics       = framework.require('config.atomics',            self)
79    self.make          = framework.require('config.packages.make',      self)
80    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
81    self.mpi           = framework.require('config.packages.MPI',       self)
82    self.fortran       = framework.require('config.compilersFortran',   self)
83    self.externalpackagesdir = framework.require('PETSc.options.externalpackagesdir',self)
84
85    for utility in sorted(os.listdir(os.path.join('config','PETSc','options'))):
86      self.registerPythonFile(utility,'PETSc.options')
87
88    for utility in sorted(os.listdir(os.path.join('config','BuildSystem','config','utilities'))):
89      self.registerPythonFile(utility,'config.utilities')
90
91    for package in sorted(os.listdir(os.path.join('config', 'BuildSystem', 'config', 'packages'))):
92      obj = self.registerPythonFile(package,'config.packages')
93      if obj:
94        obj.archProvider                = self.framework.requireModule(obj.archProvider, obj)
95        obj.languageProvider            = self.framework.requireModule(obj.languageProvider, obj)
96        obj.installDirProvider          = self.framework.requireModule(obj.installDirProvider, obj)
97        obj.externalPackagesDirProvider = self.framework.requireModule(obj.externalPackagesDirProvider, obj)
98        obj.precisionProvider           = self.framework.requireModule(obj.precisionProvider, obj)
99        obj.indexProvider               = self.framework.requireModule(obj.indexProvider, obj)
100
101    # Force blaslapack and opencl to depend on scalarType so precision is set before BlasLapack is built
102    framework.require('PETSc.options.scalarTypes', self.f2cblaslapack)
103    framework.require('PETSc.options.scalarTypes', self.fblaslapack)
104    framework.require('PETSc.options.scalarTypes', self.blaslapack)
105    framework.require('PETSc.options.scalarTypes', self.opencl)
106
107    self.programs.headerPrefix   = self.headerPrefix
108    self.compilers.headerPrefix  = self.headerPrefix
109    self.fortran.headerPrefix    = self.headerPrefix
110    self.types.headerPrefix      = self.headerPrefix
111    self.headers.headerPrefix    = self.headerPrefix
112    self.functions.headerPrefix  = self.headerPrefix
113    self.libraries.headerPrefix  = self.headerPrefix
114
115    # Register user provided package scripts
116    if 'with-package-scripts' in self.framework.argDB:
117      for script in self.framework.argDB['with-package-scripts']:
118        if os.path.splitext(script)[1] != '.py':
119          raise RuntimeError('Only python scripts compatible with configure package script format should be specified! Invalid option -with-package-scripts='+script)
120        self.framework.logPrint('User is registering a new package script: '+script)
121        dname,fname = os.path.split(script)
122        if dname: sys.path.append(dname)
123        self.registerPythonFile(fname,'')
124
125    # test for a variety of basic headers and functions
126    headersC = map(lambda name: name+'.h',['setjmp','dos','fcntl','float','io','malloc','pwd','strings',
127                                            'unistd','sys/sysinfo','machine/endian','sys/param','sys/procfs','sys/resource',
128                                            'sys/systeminfo','sys/times','sys/utsname',
129                                            'sys/socket','sys/wait','netinet/in','netdb','direct','time','Ws2tcpip','sys/types',
130                                            'WindowsX','float','ieeefp','stdint','pthread','inttypes','immintrin','zmmintrin'])
131    functions = ['access','_access','clock','drand48','getcwd','_getcwd','getdomainname','gethostname',
132                 'getwd','memalign','popen','PXFGETARG','rand','getpagesize',
133                 'readlink','realpath','usleep','sleep','_sleep',
134                 'uname','snprintf','_snprintf','lseek','_lseek','time','fork','stricmp',
135                 'strcasecmp','bzero','dlopen','dlsym','dlclose','dlerror',
136                 '_set_output_format','_mkdir','socket','gethostbyname','_pipe','fpresetsticky','fpsetsticky']
137    libraries = [(['fpe'],'handle_sigfpes')]
138    librariessock = [(['socket','nsl'],'socket')]
139    self.headers.headers.extend(headersC)
140    self.functions.functions.extend(functions)
141    self.libraries.libraries.extend(libraries)
142    if not hasattr(self,'socket'):
143      self.libraries.libraries.extend(librariessock)
144    return
145
146  def DumpPkgconfig(self, petsc_pc):
147    ''' Create a pkg-config file '''
148    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
149      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
150    with open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig',petsc_pc),'w') as fd:
151      cflags_inc = ['-I${includedir}']
152      if self.framework.argDB['prefix']:
153        fd.write('prefix='+self.installdir.dir+'\n')
154      else:
155        fd.write('prefix='+os.path.join(self.petscdir.dir, self.arch.arch)+'\n')
156        cflags_inc.append('-I' + os.path.join(self.petscdir.dir, 'include'))
157      fd.write('exec_prefix=${prefix}\n')
158      fd.write('includedir=${prefix}/include\n')
159      fd.write('libdir=${prefix}/lib\n')
160
161      with self.setCompilers.Language('C'):
162        fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
163        fd.write('cflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
164        fd.write('cflags_dep='+self.compilers.dependenciesGenerationFlag.get('C','')+'\n')
165        fd.write('ldflag_rpath='+self.setCompilers.CSharedLinkerFlag+'\n')
166      if hasattr(self.compilers, 'CXX'):
167        with self.setCompilers.Language('C++'):
168          fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
169          fd.write('cxxflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
170      if hasattr(self.compilers, 'FC'):
171        with self.setCompilers.Language('FC'):
172          fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
173          fd.write('fflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
174      if hasattr(self.compilers, 'CUDAC'):
175        with self.setCompilers.Language('CUDA'):
176          fd.write('cudacompiler='+self.setCompilers.getCompiler()+'\n')
177          fd.write('cudaflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
178          p = self.framework.require('config.packages.cuda')
179          fd.write('cudalib='+self.libraries.toStringNoDupes(p.lib)+'\n')
180          fd.write('cudainclude='+self.headers.toStringNoDupes(p.include)+'\n')
181          if hasattr(self.setCompilers,'CUDA_CXX'):
182            fd.write('cuda_cxx='+self.setCompilers.CUDA_CXX+'\n')
183            fd.write('cuda_cxxflags='+self.setCompilers.CUDA_CXXFLAGS+'\n')
184
185      fd.write('\n')
186      fd.write('Name: PETSc\n')
187      fd.write('Description: Library to solve ODEs and algebraic equations\n')
188      fd.write('Version: %s\n' % self.petscdir.version)
189      fd.write('Cflags: ' + ' '.join([self.setCompilers.CPPFLAGS] + cflags_inc) + '\n')
190      fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
191      # Remove RPATH flags from library list.  User can add them using
192      # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
193      fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
194    return
195
196  def DumpModule(self):
197    ''' Create a module file '''
198    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
199      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
200    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
201      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
202    if self.framework.argDB['prefix']:
203      installdir  = self.installdir.dir
204      installarch = ''
205      installpath = os.path.join(installdir,'bin')
206    else:
207      installdir  = self.petscdir.dir
208      installarch = self.arch.arch
209      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
210    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
211    fd.write('''\
212#%%Module
213
214proc ModulesHelp { } {
215    puts stderr "This module sets the path and environment variables for petsc-%s"
216    puts stderr "     see https://petsc.org/ for more information      "
217    puts stderr ""
218}
219module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
220
221set petsc_dir   "%s"
222set petsc_arch  "%s"
223
224setenv PETSC_ARCH "$petsc_arch"
225setenv PETSC_DIR "$petsc_dir"
226prepend-path PATH "%s"
227''' % (self.petscdir.version, installdir, installarch, installpath))
228    fd.close()
229    return
230
231  def Dump(self):
232    ''' Actually put the values into the configuration files '''
233    # eventually everything between -- should be gone
234    if self.mpi.usingMPIUni:
235      #
236      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
237      self.executeShellCommand('rm -rf  '+os.path.join(self.petscdir.dir,self.arch.arch,'include','mpi*')+' '+os.path.join(self.petscdir.dir,self.arch.arch,'include','opa*'), log = self.log)
238
239    self.logPrintDivider()
240    # Test for compiler-specific macros that need to be defined.
241    if self.setCompilers.isCrayVector('CC', self.log):
242      self.addDefine('HAVE_CRAY_VECTOR','1')
243
244    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
245      self.addDefine('USE_SOCKET_VIEWER','1')
246      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
247        self.addDefine('HAVE_SO_REUSEADDR','1')
248
249    self.logPrintDivider()
250    self.setCompilers.pushLanguage('C')
251    compiler = self.setCompilers.getCompiler()
252    if [s for s in ['mpicc','mpiicc'] if os.path.basename(compiler).find(s)>=0]:
253      try:
254        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
255        compiler = output.split(' ')[0]
256        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
257      except:
258        self.addDefine('MPICC_SHOW','"Unavailable"')
259    else:
260      self.addDefine('MPICC_SHOW','"Unavailable"')
261    self.setCompilers.popLanguage()
262#-----------------------------------------------------------------------------------------------------
263
264    # Sometimes we need C compiler, even if built with C++
265    self.setCompilers.pushLanguage('C')
266    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
267    self.setCompilers.popLanguage()
268
269    # And sometimes we need a C++ compiler even when PETSc is built with C
270    if hasattr(self.compilers, 'CXX'):
271      self.setCompilers.pushLanguage('Cxx')
272      self.addDefine('HAVE_CXX','1')
273      self.addMakeMacro('CXXPP_FLAGS',self.setCompilers.CXXPPFLAGS)
274      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
275      cxx_linker = self.setCompilers.getLinker()
276      self.addMakeMacro('CXX_LINKER',cxx_linker)
277      self.addMakeMacro('CXX_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
278      self.setCompilers.popLanguage()
279
280    # C preprocessor values
281    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
282
283    # compiler values
284    self.setCompilers.pushLanguage(self.languages.clanguage)
285    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
286    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
287    self.setCompilers.popLanguage()
288    # .o or .obj
289    self.addMakeMacro('CC_SUFFIX','o')
290
291    # executable linker values
292    self.setCompilers.pushLanguage(self.languages.clanguage)
293    pcc_linker = self.setCompilers.getLinker()
294    self.addMakeMacro('PCC_LINKER',pcc_linker)
295    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
296    self.setCompilers.popLanguage()
297    # '' for Unix, .exe for Windows
298    self.addMakeMacro('CC_LINKER_SUFFIX','')
299
300    if hasattr(self.compilers, 'FC'):
301      if self.framework.argDB['with-fortran-bindings']:
302        if not self.fortran.fortranIsF90:
303          raise RuntimeError('Error! Fortran compiler "'+self.compilers.FC+'" does not support F90! PETSc fortran bindings require a F90 compiler')
304        self.addDefine('HAVE_FORTRAN','1')
305      self.setCompilers.pushLanguage('FC')
306      # need FPPFLAGS in config/setCompilers
307      self.addMakeMacro('FPP_FLAGS',self.setCompilers.FPPFLAGS)
308
309      # compiler values
310      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
311      self.setCompilers.popLanguage()
312      # .o or .obj
313      self.addMakeMacro('FC_SUFFIX','o')
314
315      # executable linker values
316      self.setCompilers.pushLanguage('FC')
317      self.addMakeMacro('FC_LINKER',self.setCompilers.getLinker())
318      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
319      # apple requires this shared library linker flag on SOME versions of the os
320      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
321        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
322      self.setCompilers.popLanguage()
323
324      # F90 Modules
325      if self.setCompilers.fortranModuleIncludeFlag:
326        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
327      else: # for non-f90 compilers like g77
328        self.addMakeMacro('FC_MODULE_FLAG', '-I')
329      if self.setCompilers.fortranModuleIncludeFlag:
330        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
331    else:
332      self.addMakeMacro('FC','')
333
334    if hasattr(self.compilers, 'CUDAC'):
335      self.setCompilers.pushLanguage('CUDA')
336      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
337      self.setCompilers.popLanguage()
338
339    if hasattr(self.compilers, 'HIPC'):
340      self.setCompilers.pushLanguage('HIP')
341      self.addMakeMacro('HIPC_FLAGS',self.setCompilers.getCompilerFlags())
342      self.addMakeMacro('HIPPP_FLAGS',self.setCompilers.HIPPPFLAGS)
343      self.setCompilers.popLanguage()
344
345    if hasattr(self.compilers, 'SYCLCXX'):
346      self.setCompilers.pushLanguage('SYCL')
347      self.addMakeMacro('SYCLCXX_FLAGS',self.setCompilers.getCompilerFlags())
348      self.setCompilers.popLanguage()
349
350    # shared library linker values
351    self.setCompilers.pushLanguage(self.languages.clanguage)
352    # need to fix BuildSystem to collect these separately
353    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
354    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
355    self.setCompilers.popLanguage()
356    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
357    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
358    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
359      self.addMakeMacro('SL_LINKER_SUFFIX', '')
360      self.addDefine('SLSUFFIX','""')
361    else:
362      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
363      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
364
365    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
366
367#-----------------------------------------------------------------------------------------------------
368
369    # CONLY or CPP. We should change the PETSc makefiles to do this better
370    if self.languages.clanguage == 'C': lang = 'CONLY'
371    else: lang = 'CXXONLY'
372    self.addMakeMacro('PETSC_LANGUAGE',lang)
373
374    # real or complex
375    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
376    # double or float
377    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
378
379    if self.framework.argDB['with-batch']:
380      self.addMakeMacro('PETSC_WITH_BATCH','1')
381
382#-----------------------------------------------------------------------------------------------------
383    # print include and lib for makefiles
384    self.logPrintDivider()
385    self.framework.packages.reverse()
386    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
387    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
388    includes = []
389    self.packagelibs = []
390    for i in self.framework.packages:
391      if not i.required:
392        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
393      if not isinstance(i.lib, list):
394        i.lib = [i.lib]
395      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
396      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
397      if hasattr(i,'include'):
398        if not isinstance(i.include,list):
399          i.include = [i.include]
400        includes.extend(i.include)
401        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
402    if self.framework.argDB['with-single-library']:
403      self.petsclib = '-lpetsc'
404    else:
405      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
406    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
407    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
408    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
409
410    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
411    allincludes = petscincludes + includes
412    allincludes_install = petscincludes_install + includes
413    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
414    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
415    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
416    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
417    if hasattr(self.compilers, 'FC'):
418      def modinc(includes):
419        return includes if self.fortran.fortranIsF90 else []
420      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
421      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
422
423    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
424
425    if self.framework.argDB['with-single-library']:
426      # overrides the values set in conf/variables
427      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
428      self.addMakeMacro('SHLIBS','libpetsc')
429      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
430      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
431      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
432      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
433      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
434      self.addDefine('USE_SINGLE_LIBRARY', '1')
435      if self.sharedlibraries.useShared:
436        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
437        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
438        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
439        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
440        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
441        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
442        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
447      else:
448        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
449        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
450        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
451        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
452        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
453        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
454        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
455        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
456        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
457        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
458        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
459
460    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
461      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
462
463# add a makefile endtry for display
464    if self.framework.argDB['with-display']:
465      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
466
467    # add a makefile entry for configure options
468    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
469    return
470
471  def dumpConfigInfo(self):
472    import time
473    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
474    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"').replace('\\ ','\\\\ ')+'";\n')
475    fd.close()
476    return
477
478  def dumpMachineInfo(self):
479    import platform
480    import datetime
481    import time
482    import script
483    def escape(s):
484      return s.replace('"',r'\"').replace(r'\ ',r'\\ ') # novermin
485    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
486    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
487    fd.write('\"-----------------------------------------\\n\"\n')
488    buildhost = platform.node()
489    if os.environ.get('SOURCE_DATE_EPOCH'):
490      buildhost = "reproducible"
491    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
492    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
493    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
494    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
495    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
496    fd.write('\"-----------------------------------------\\n\";\n')
497    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
498    self.setCompilers.pushLanguage(self.languages.clanguage)
499    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
500    self.setCompilers.popLanguage()
501    if hasattr(self.compilers, 'FC'):
502      self.setCompilers.pushLanguage('FC')
503      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
504      self.setCompilers.popLanguage()
505    fd.write('\"-----------------------------------------\\n\";\n')
506    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
507    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
508    fd.write('\"-----------------------------------------\\n\";\n')
509    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
510    self.setCompilers.pushLanguage(self.languages.clanguage)
511    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
512    self.setCompilers.popLanguage()
513    if hasattr(self.compilers, 'FC'):
514      self.setCompilers.pushLanguage('FC')
515      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
516      self.setCompilers.popLanguage()
517    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)))
518    fd.write('\"-----------------------------------------\\n\";\n')
519    fd.close()
520    return
521
522  def configurePrefetch(self):
523    '''Sees if there are any prefetch functions supported'''
524    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
525      self.addDefine('Prefetch(a,b,c)', ' ')
526      return
527    self.pushLanguage(self.languages.clanguage)
528    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
529      # The Intel Intrinsics manual [1] specifies the prototype
530      #
531      #   void _mm_prefetch(char const *a, int sel);
532      #
533      # but other vendors seem to insist on using subtly different
534      # prototypes, including void* for the pointer, and an enum for
535      # sel.  These are both reasonable changes, but negatively impact
536      # portability.
537      #
538      # [1] https://software.intel.com/file/6373
539      self.addDefine('HAVE_XMMINTRIN_H', 1)
540      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(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('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
546      self.addDefine('HAVE_XMMINTRIN_H', 1)
547      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
548      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
549      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
550      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
551      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
552    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
553      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
554      #
555      #   The value of rw is a compile-time constant one or zero; one
556      #   means that the prefetch is preparing for a write to the memory
557      #   address and zero, the default, means that the prefetch is
558      #   preparing for a read. The value locality must be a compile-time
559      #   constant integer between zero and three. A value of zero means
560      #   that the data has no temporal locality, so it need not be left
561      #   in the cache after the access. A value of three means that the
562      #   data has a high degree of temporal locality and should be left
563      #   in all levels of cache possible. Values of one and two mean,
564      #   respectively, a low or moderate degree of temporal locality.
565      #
566      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
567      # hints.  Using macros for these values in necessary since some
568      # compilers require an enum.
569      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
570      self.addDefine('PREFETCH_HINT_NTA', '0')
571      self.addDefine('PREFETCH_HINT_T0',  '3')
572      self.addDefine('PREFETCH_HINT_T1',  '2')
573      self.addDefine('PREFETCH_HINT_T2',  '1')
574    else:
575      self.addDefine('Prefetch(a,b,c)', ' ')
576    self.popLanguage()
577
578  def delGenFiles(self):
579    '''Delete generated files'''
580    delfile = os.path.join(self.arch.arch,'lib','petsc','conf','files')
581    try:
582      os.unlink(delfile)
583    except: pass
584
585  def configureAtoll(self):
586    '''Checks if atoll exists'''
587    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")'):
588       self.addDefine('HAVE_ATOLL', '1')
589
590  def configureUnused(self):
591    '''Sees if __attribute((unused)) is supported'''
592    if self.framework.argDB['with-ios']:
593      self.addDefine('UNUSED', ' ')
594      return
595    self.pushLanguage(self.languages.clanguage)
596    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'):
597      self.addDefine('UNUSED', '__attribute((unused))')
598    else:
599      self.addDefine('UNUSED', ' ')
600    self.popLanguage()
601
602  def configureIsatty(self):
603    '''Check if the Unix C function isatty() works correctly
604       Actually just assumes it does not work correctly on batch systems'''
605    if not self.framework.argDB['with-batch']:
606      self.addDefine('USE_ISATTY',1)
607
608  def configureDeprecated(self):
609    '''Check if __attribute((deprecated)) is supported'''
610    self.pushLanguage(self.languages.clanguage)
611    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
612    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
613    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
614    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
615    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
616    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
617    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
618    ## why we can't have nice things.
619    #
620    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
621    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
622    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
623    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
624      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
625      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
626    else:
627      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
628      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
629    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
630      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
631    else:
632      self.addDefine('DEPRECATED_ENUM(why)', ' ')
633    # 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
634    # hence the deprecation message is handled as it is
635    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
636      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
637    else:
638      self.addDefine('DEPRECATED_MACRO(why)', ' ')
639    self.popLanguage()
640
641  def configureAlign(self):
642    '''Check if __attribute(aligned) is supported'''
643    code = '''\
644struct mystruct {int myint;} __attribute((aligned(16)));
645char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
646'''
647    self.pushLanguage(self.languages.clanguage)
648    if self.checkCompile(code):
649      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
650      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
651    else:
652      self.framework.logPrint('Incorrect attribute(aligned)')
653      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
654    self.popLanguage()
655    return
656
657  def configureExpect(self):
658    '''Sees if the __builtin_expect directive is supported'''
659    self.pushLanguage(self.languages.clanguage)
660    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
661      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
662    self.popLanguage()
663
664  def configureFunctionName(self):
665    '''Sees if the compiler supports __func__ or a variant.'''
666    def getFunctionName(lang):
667      name = '"unknown"'
668      self.pushLanguage(lang)
669      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
670        code = "if ("+fname+"[0] != 'm') return 1;"
671        if self.checkCompile('',code) and self.checkLink('',code):
672          name = fname
673          break
674      self.popLanguage()
675      return name
676    langs = []
677
678    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
679    if hasattr(self.compilers, 'CXX'):
680      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
681
682  def configureIntptrt(self):
683    '''Determine what to use for uintptr_t'''
684    def staticAssertSizeMatchesVoidStar(inc,typename):
685      # The declaration is an error if either array size is negative.
686      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
687      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
688                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
689    self.pushLanguage(self.languages.clanguage)
690    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
691      self.addDefine('UINTPTR_T', 'uintptr_t')
692    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
693      self.addDefine('UINTPTR_T', 'unsigned long long')
694    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
695      self.addDefine('UINTPTR_T', 'size_t')
696    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
697      self.addDefine('UINTPTR_T', 'unsigned long')
698    elif staticAssertSizeMatchesVoidStar('','unsigned'):
699      self.addDefine('UINTPTR_T', 'unsigned')
700    else:
701      raise RuntimeError('Could not find any unsigned integer type matching void*')
702    self.popLanguage()
703
704  def configureRTLDDefault(self):
705    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
706      self.addDefine('RTLD_DEFAULT','1')
707    return
708
709  def configureSolaris(self):
710    '''Solaris specific stuff'''
711    if os.path.isdir(os.path.join('/usr','ucblib')):
712      try:
713        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
714      except AttributeError:
715        flag = None
716      if flag is None:
717        self.compilers.LIBS += ' -L/usr/ucblib'
718      else:
719        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
720    return
721
722  def configureLinux(self):
723    '''Linux specific stuff'''
724    # TODO: Test for this by mallocing an odd number of floats and checking the address
725    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
726    return
727
728  def configureWin32(self):
729    '''Win32 non-cygwin specific stuff'''
730    kernel32=0
731    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
732      self.addDefine('HAVE_WINDOWS_H',1)
733      self.addDefine('HAVE_GETCOMPUTERNAME',1)
734      kernel32=1
735    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
736      self.addDefine('HAVE_WINDOWS_H',1)
737      self.addDefine('HAVE_GETCOMPUTERNAME',1)
738      kernel32=1
739    if kernel32:
740      if self.framework.argDB['with-windows-graphics']:
741        self.addDefine('USE_WINDOWS_GRAPHICS',1)
742      if self.checkLink('#include <windows.h>','LoadLibrary(0)'):
743        self.addDefine('HAVE_LOADLIBRARY',1)
744      if self.checkLink('#include <windows.h>','GetProcAddress(0,0)'):
745        self.addDefine('HAVE_GETPROCADDRESS',1)
746      if self.checkLink('#include <windows.h>','FreeLibrary(0)'):
747        self.addDefine('HAVE_FREELIBRARY',1)
748      if self.checkLink('#include <windows.h>','GetLastError()'):
749        self.addDefine('HAVE_GETLASTERROR',1)
750      if self.checkLink('#include <windows.h>','SetLastError(0)'):
751        self.addDefine('HAVE_SETLASTERROR',1)
752      if self.checkLink('#include <windows.h>\n','QueryPerformanceCounter(0);\n'):
753        self.addDefine('USE_MICROSOFT_TIME',1)
754    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
755      self.addDefine('HAVE_GET_USER_NAME',1)
756    elif self.libraries.add('advapi32','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
757      self.addDefine('HAVE_GET_USER_NAME',1)
758
759    if not self.libraries.add('User32.lib','GetDC',prototype='#include <windows.h>',call='GetDC(0);'):
760      self.libraries.add('user32','GetDC',prototype='#include <windows.h>',call='GetDC(0);')
761    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);'):
762      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);')
763
764    self.types.check('int32_t', 'int')
765    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
766      self.addTypedef('int', 'uid_t')
767      self.addTypedef('int', 'gid_t')
768    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
769      self.framework.addDefine('R_OK', '04')
770      self.framework.addDefine('W_OK', '02')
771      self.framework.addDefine('X_OK', '01')
772    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
773      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
774      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
775    if self.checkCompile('#include <windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
776      self.addDefine('HAVE_LARGE_INTEGER_U',1)
777
778    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
779    if self.checkCompile('#include <windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
780      self.addDefine('HAVE_O_BINARY',1)
781
782    if self.compilers.CC.find('win32fe') >= 0:
783      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
784      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
785      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
786      self.addDefine('CANNOT_START_DEBUGGER',1)
787      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
788      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
789      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
790      self.addMakeMacro('wPETSC_DIR',petscdir)
791      if self.dataFilesPath.datafilespath:
792        (datafilespath,error,status) = self.executeShellCommand('cygpath -m '+self.dataFilesPath.datafilespath, log = self.log)
793        self.addMakeMacro('DATAFILESPATH',datafilespath)
794
795    else:
796      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
797      self.addDefine('DIR_SEPARATOR','\'/\'')
798      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
799      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
800      if self.dataFilesPath.datafilespath:
801        self.addMakeMacro('DATAFILESPATH',self.dataFilesPath.datafilespath)
802    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
803    return
804
805#-----------------------------------------------------------------------------------------------------
806  def configureCygwinBrokenPipe(self):
807    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
808    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
809    if config.setCompilers.Configure.isCygwin(self.log):
810      import platform
811      import re
812      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
813      m=r.match(platform.release())
814      major=int(m.group(1))
815      minor=int(m.group(2))
816      subminor=int(m.group(3))
817      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
818        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
819    return
820
821#-----------------------------------------------------------------------------------------------------
822  def configureDefaultArch(self):
823    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
824    if self.framework.argDB['with-default-arch']:
825      fd = open(conffile, 'w')
826      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
827      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
828      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
829      fd.close()
830      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
831    elif os.path.isfile(conffile):
832      try:
833        os.unlink(conffile)
834      except:
835        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
836    return
837
838#-----------------------------------------------------------------------------------------------------
839  def configureScript(self):
840    '''Output a script in the conf directory which will reproduce the configuration'''
841    import nargs
842    import sys
843    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
844    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
845    if 'with-clean' in args:
846      del args['with-clean']
847    if 'force' in args:
848      del args['force']
849    if 'configModules' in args:
850      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
851        del args['configModules']
852    if 'optionsModule' in args:
853      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
854        del args['optionsModule']
855    if not 'PETSC_ARCH' in args:
856      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
857    f = open(scriptName, 'w')
858    f.write('#!'+sys.executable+'\n')
859    f.write('if __name__ == \'__main__\':\n')
860    f.write('  import sys\n')
861    f.write('  import os\n')
862    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
863    f.write('  import configure\n')
864    # pretty print repr(args.values())
865    f.write('  configure_options = [\n')
866    for itm in sorted(args.values()):
867      f.write('    \''+str(itm)+'\',\n')
868    f.write('  ]\n')
869    f.write('  configure.petsc_configure(configure_options)\n')
870    f.close()
871    try:
872      os.chmod(scriptName, 0o775)
873    except OSError as e:
874      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
875    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
876    return
877
878  def configureInstall(self):
879    '''Setup the directories for installation'''
880    if self.framework.argDB['prefix']:
881      self.addMakeRule('print_mesg_after_build','',
882       ['-@echo "========================================="',
883        '-@echo "Now to install the libraries do:"',
884        '-@echo "%s${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"' % self.installdir.installSudo,
885        '-@echo "========================================="'])
886    else:
887      self.addMakeRule('print_mesg_after_build','',
888       ['-@echo "========================================="',
889        '-@echo "Now to check if the libraries are working do:"',
890        '-@echo "${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',
891        '-@echo "========================================="'])
892      return
893
894  def configureGCOV(self):
895    if self.framework.argDB['with-gcov']:
896      self.addDefine('USE_GCOV','1')
897    return
898
899  def postProcessPackages(self):
900    postPackages=[]
901    for i in self.framework.packages:
902      if hasattr(i,'postProcess'): postPackages.append(i)
903    if postPackages:
904      # ctetgen needs petsc conf files. so attempt to create them early
905      self.framework.dumpConfFiles()
906      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
907      for i in postPackages:
908        if i.name.upper() in ['PFLOTRAN']:
909          i.postProcess()
910          postPackages.remove(i)
911      for i in postPackages: i.postProcess()
912      for i in postPackages:
913        if i.installedpetsc:
914          self.installed = 1
915          break
916    return
917
918  def configure(self):
919    if 'package-prefix-hash' in self.argDB:
920      # turn off prefix if it was only used to for installing external packages.
921      self.framework.argDB['prefix'] = ''
922      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
923      self.installdir.dir = self.dir
924      self.installdir.petscDir = self.petscdir.dir
925      self.petscDir = self.petscdir.dir
926      self.petscArch = self.arch.arch
927      self.addMakeMacro('PREFIXDIR',self.dir)
928      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
929
930    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
931      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
932    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
933      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
934    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
935      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')
936    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)):
937      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
938    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
939    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
940    self.framework.poisonheader    = os.path.join(self.arch.arch,'include','petscconf_poison.h')
941    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
942    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
943    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
944    if self.libraries.math is None:
945      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
946    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
947      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
948    self.executeTest(self.configureRTLDDefault)
949    self.executeTest(self.configurePrefetch)
950    self.executeTest(self.configureUnused)
951    self.executeTest(self.configureDeprecated)
952    self.executeTest(self.configureIsatty)
953    self.executeTest(self.configureExpect)
954    self.executeTest(self.configureAlign)
955    self.executeTest(self.configureFunctionName)
956    self.executeTest(self.configureIntptrt)
957    self.executeTest(self.configureSolaris)
958    self.executeTest(self.configureLinux)
959    self.executeTest(self.configureWin32)
960    self.executeTest(self.configureCygwinBrokenPipe)
961    self.executeTest(self.configureDefaultArch)
962    self.executeTest(self.configureScript)
963    self.executeTest(self.configureInstall)
964    self.executeTest(self.configureGCOV)
965    self.executeTest(self.configureAtoll)
966
967    self.Dump()
968    self.dumpConfigInfo()
969    self.dumpMachineInfo()
970    self.delGenFiles()
971    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
972    self.framework.storeSubstitutions(self.framework.argDB)
973    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
974    self.framework.argDB.save(force = True)
975    self.DumpPkgconfig('PETSc.pc')
976    self.DumpPkgconfig('petsc.pc')
977    self.DumpModule()
978    self.postProcessPackages()
979    self.framework.log.write('================================================================================\n')
980    self.logClear()
981    return
982