xref: /petsc/config/PETSc/Configure.py (revision da9060c4ebf05b549ae65df4db64c7bee7b2b8a9)
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.logPrintDivider()
230    # Test for compiler-specific macros that need to be defined.
231    if self.setCompilers.isCrayVector('CC', self.log):
232      self.addDefine('HAVE_CRAY_VECTOR','1')
233
234    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
235      self.addDefine('USE_SOCKET_VIEWER','1')
236      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
237        self.addDefine('HAVE_SO_REUSEADDR','1')
238
239    self.logPrintDivider()
240    self.setCompilers.pushLanguage('C')
241    compiler = self.setCompilers.getCompiler()
242    if compiler.endswith('mpicc') or compiler.endswith('mpiicc'):
243      try:
244        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
245        compiler = output.split(' ')[0]
246        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
247      except:
248        self.addDefine('MPICC_SHOW','"Unavailable"')
249    else:
250      self.addDefine('MPICC_SHOW','"Unavailable"')
251    self.setCompilers.popLanguage()
252#-----------------------------------------------------------------------------------------------------
253
254    # Sometimes we need C compiler, even if built with C++
255    self.setCompilers.pushLanguage('C')
256    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
257    self.setCompilers.popLanguage()
258
259    # And sometimes we need a C++ compiler even when PETSc is built with C
260    if hasattr(self.compilers, 'CXX'):
261      self.setCompilers.pushLanguage('Cxx')
262      self.addDefine('HAVE_CXX','1')
263      self.addMakeMacro('CXXPP_FLAGS',self.setCompilers.CXXPPFLAGS)
264      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
265      cxx_linker = self.setCompilers.getLinker()
266      self.addMakeMacro('CXX_LINKER',cxx_linker)
267      self.addMakeMacro('CXX_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
268      self.setCompilers.popLanguage()
269
270    # C preprocessor values
271    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
272
273    # compiler values
274    self.setCompilers.pushLanguage(self.languages.clanguage)
275    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
276    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
277    self.addMakeMacro('PCPP_FLAGS',getattr(self.setCompilers,self.languages.clanguage.upper()+'PPFLAGS'))
278    self.addMakeMacro('PFLAGS','${'+self.languages.clanguage.upper()+'FLAGS}')
279    self.addMakeMacro('PPPFLAGS','${'+self.languages.clanguage.upper()+'PPFLAGS}')
280    # ugly work-around for python3 distutils parse_makefile() issue with the above 2 lines
281    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'FLAGS','')
282    self.addMakeMacro('PY_'+self.languages.clanguage.upper()+'PPFLAGS','')
283    self.setCompilers.popLanguage()
284    # .o or .obj
285    self.addMakeMacro('CC_SUFFIX','o')
286
287    # executable linker values
288    self.setCompilers.pushLanguage(self.languages.clanguage)
289    pcc_linker = self.setCompilers.getLinker()
290    self.addMakeMacro('PCC_LINKER',pcc_linker)
291    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
292    self.setCompilers.popLanguage()
293    # '' for Unix, .exe for Windows
294    self.addMakeMacro('CC_LINKER_SUFFIX','')
295
296    if hasattr(self.compilers, 'FC'):
297      if self.framework.argDB['with-fortran-bindings']:
298        if not self.fortran.fortranIsF90:
299          raise RuntimeError('Error! Fortran compiler "'+self.compilers.FC+'" does not support F90! PETSc fortran bindings require a F90 compiler')
300        self.addDefine('HAVE_FORTRAN','1')
301      self.setCompilers.pushLanguage('FC')
302      # need FPPFLAGS in config/setCompilers
303      self.addMakeMacro('FPP_FLAGS',self.setCompilers.FPPFLAGS)
304
305      # compiler values
306      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
307      self.setCompilers.popLanguage()
308      # .o or .obj
309      self.addMakeMacro('FC_SUFFIX','o')
310
311      # executable linker values
312      self.setCompilers.pushLanguage('FC')
313      self.addMakeMacro('FC_LINKER',self.setCompilers.getLinker())
314      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
315      # apple requires this shared library linker flag on SOME versions of the os
316      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
317        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
318      self.setCompilers.popLanguage()
319
320      # F90 Modules
321      if self.setCompilers.fortranModuleIncludeFlag:
322        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
323      else: # for non-f90 compilers like g77
324        self.addMakeMacro('FC_MODULE_FLAG', '-I')
325      if self.setCompilers.fortranModuleIncludeFlag:
326        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
327    else:
328      self.addMakeMacro('FC','')
329
330    if hasattr(self.compilers, 'CUDAC'):
331      self.setCompilers.pushLanguage('CUDA')
332      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
333      self.setCompilers.popLanguage()
334
335    if hasattr(self.compilers, 'HIPCC'):
336      self.setCompilers.pushLanguage('HIP')
337      self.addMakeMacro('HIPCC_FLAGS',self.setCompilers.getCompilerFlags())
338      self.setCompilers.popLanguage()
339
340    if hasattr(self.compilers, 'SYCLCXX'):
341      self.setCompilers.pushLanguage('SYCL')
342      self.addMakeMacro('SYCLCXX_FLAGS',self.setCompilers.getCompilerFlags())
343      self.setCompilers.popLanguage()
344
345    # shared library linker values
346    self.setCompilers.pushLanguage(self.languages.clanguage)
347    # need to fix BuildSystem to collect these separately
348    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
349    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
350    self.setCompilers.popLanguage()
351    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
352    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
353    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
354      self.addMakeMacro('SL_LINKER_SUFFIX', '')
355      self.addDefine('SLSUFFIX','""')
356    else:
357      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
358      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
359
360    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
361
362#-----------------------------------------------------------------------------------------------------
363
364    # CONLY or CPP. We should change the PETSc makefiles to do this better
365    if self.languages.clanguage == 'C': lang = 'CONLY'
366    else: lang = 'CXXONLY'
367    self.addMakeMacro('PETSC_LANGUAGE',lang)
368
369    # real or complex
370    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
371    # double or float
372    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
373
374    if self.framework.argDB['with-batch']:
375      self.addMakeMacro('PETSC_WITH_BATCH','1')
376
377#-----------------------------------------------------------------------------------------------------
378    # print include and lib for makefiles
379    self.logPrintDivider()
380    self.framework.packages.reverse()
381    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
382    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
383    includes = []
384    self.packagelibs = []
385    for i in self.framework.packages:
386      if not i.required:
387        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
388      if not isinstance(i.lib, list):
389        i.lib = [i.lib]
390      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
391      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
392      if hasattr(i,'include'):
393        if not isinstance(i.include,list):
394          i.include = [i.include]
395        includes.extend(i.include)
396        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
397    if self.framework.argDB['with-single-library']:
398      self.petsclib = '-lpetsc'
399    else:
400      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
401    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
402    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
403    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
404
405    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
406    allincludes = petscincludes + includes
407    allincludes_install = petscincludes_install + includes
408    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
409    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
410    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
411    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
412    if hasattr(self.compilers, 'FC'):
413      def modinc(includes):
414        return includes if self.fortran.fortranIsF90 else []
415      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
416      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
417
418    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
419
420    if self.framework.argDB['with-single-library']:
421      # overrides the values set in conf/variables
422      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
423      self.addMakeMacro('SHLIBS','libpetsc')
424      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
425      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
426      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
427      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
428      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
429      self.addDefine('USE_SINGLE_LIBRARY', '1')
430      if self.sharedlibraries.useShared:
431        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
432        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
433        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
434        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
435        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
436        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
437        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
438        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
439        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
440        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
441        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
442      else:
443        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
449        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
450        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
451        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
452        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
453        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
454
455    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
456      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
457
458# add a makefile endtry for display
459    if self.framework.argDB['with-display']:
460      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
461
462    # add a makefile entry for configure options
463    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
464    return
465
466  def dumpConfigInfo(self):
467    import time
468    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
469    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"').replace('\\ ','\\\\ ')+'";\n')
470    fd.close()
471    return
472
473  def dumpMachineInfo(self):
474    import platform
475    import datetime
476    import time
477    import script
478    def escape(s):
479      return s.replace('"',r'\"').replace(r'\ ',r'\\ ') # novermin
480    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
481    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
482    fd.write('\"-----------------------------------------\\n\"\n')
483    buildhost = platform.node()
484    if os.environ.get('SOURCE_DATE_EPOCH'):
485      buildhost = "reproducible"
486    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
487    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
488    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
489    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
490    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
491    fd.write('\"-----------------------------------------\\n\";\n')
492    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
493    self.setCompilers.pushLanguage(self.languages.clanguage)
494    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
495    self.setCompilers.popLanguage()
496    if hasattr(self.compilers, 'FC'):
497      self.setCompilers.pushLanguage('FC')
498      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
499      self.setCompilers.popLanguage()
500    fd.write('\"-----------------------------------------\\n\";\n')
501    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
502    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
503    fd.write('\"-----------------------------------------\\n\";\n')
504    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
505    self.setCompilers.pushLanguage(self.languages.clanguage)
506    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
507    self.setCompilers.popLanguage()
508    if hasattr(self.compilers, 'FC'):
509      self.setCompilers.pushLanguage('FC')
510      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
511      self.setCompilers.popLanguage()
512    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)))
513    fd.write('\"-----------------------------------------\\n\";\n')
514    fd.close()
515    return
516
517  def configurePrefetch(self):
518    '''Sees if there are any prefetch functions supported'''
519    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
520      self.addDefine('Prefetch(a,b,c)', ' ')
521      return
522    self.pushLanguage(self.languages.clanguage)
523    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
524      # The Intel Intrinsics manual [1] specifies the prototype
525      #
526      #   void _mm_prefetch(char const *a, int sel);
527      #
528      # but other vendors seem to insist on using subtly different
529      # prototypes, including void* for the pointer, and an enum for
530      # sel.  These are both reasonable changes, but negatively impact
531      # portability.
532      #
533      # [1] https://software.intel.com/file/6373
534      self.addDefine('HAVE_XMMINTRIN_H', 1)
535      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
536      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
537      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
538      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
539      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
540    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
541      self.addDefine('HAVE_XMMINTRIN_H', 1)
542      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
543      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
544      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
545      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
546      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
547    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
548      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
549      #
550      #   The value of rw is a compile-time constant one or zero; one
551      #   means that the prefetch is preparing for a write to the memory
552      #   address and zero, the default, means that the prefetch is
553      #   preparing for a read. The value locality must be a compile-time
554      #   constant integer between zero and three. A value of zero means
555      #   that the data has no temporal locality, so it need not be left
556      #   in the cache after the access. A value of three means that the
557      #   data has a high degree of temporal locality and should be left
558      #   in all levels of cache possible. Values of one and two mean,
559      #   respectively, a low or moderate degree of temporal locality.
560      #
561      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
562      # hints.  Using macros for these values in necessary since some
563      # compilers require an enum.
564      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
565      self.addDefine('PREFETCH_HINT_NTA', '0')
566      self.addDefine('PREFETCH_HINT_T0',  '3')
567      self.addDefine('PREFETCH_HINT_T1',  '2')
568      self.addDefine('PREFETCH_HINT_T2',  '1')
569    else:
570      self.addDefine('Prefetch(a,b,c)', ' ')
571    self.popLanguage()
572
573  def configureAtoll(self):
574    '''Checks if atoll exists'''
575    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")'):
576       self.addDefine('HAVE_ATOLL', '1')
577
578  def configureUnused(self):
579    '''Sees if __attribute((unused)) is supported'''
580    if self.framework.argDB['with-ios']:
581      self.addDefine('UNUSED', ' ')
582      return
583    self.pushLanguage(self.languages.clanguage)
584    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'):
585      self.addDefine('UNUSED', '__attribute((unused))')
586    else:
587      self.addDefine('UNUSED', ' ')
588    self.popLanguage()
589
590  def configureIsatty(self):
591    '''Check if the Unix C function isatty() works correctly
592       Actually just assumes it does not work correctly on batch systems'''
593    if not self.framework.argDB['with-batch']:
594      self.addDefine('USE_ISATTY',1)
595
596  def configureDeprecated(self):
597    '''Check if __attribute((deprecated)) is supported'''
598    self.pushLanguage(self.languages.clanguage)
599    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
600    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
601    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
602    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
603    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
604    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
605    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
606    ## why we can't have nice things.
607    #
608    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
609    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
610    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
611    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
612      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
613      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
614    else:
615      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
616      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
617    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
618      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
619    else:
620      self.addDefine('DEPRECATED_ENUM(why)', ' ')
621    # 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
622    # hence the deprecation message is handled as it is
623    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
624      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
625    else:
626      self.addDefine('DEPRECATED_MACRO(why)', ' ')
627    self.popLanguage()
628
629  def configureAlign(self):
630    '''Check if __attribute(aligned) is supported'''
631    code = '''\
632struct mystruct {int myint;} __attribute((aligned(16)));
633char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
634'''
635    self.pushLanguage(self.languages.clanguage)
636    if self.checkCompile(code):
637      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
638      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
639    else:
640      self.framework.logPrint('Incorrect attribute(aligned)')
641      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
642    self.popLanguage()
643    return
644
645  def configureExpect(self):
646    '''Sees if the __builtin_expect directive is supported'''
647    self.pushLanguage(self.languages.clanguage)
648    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
649      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
650    self.popLanguage()
651
652  def configureFunctionName(self):
653    '''Sees if the compiler supports __func__ or a variant.'''
654    def getFunctionName(lang):
655      name = '"unknown"'
656      self.pushLanguage(lang)
657      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
658        code = "if ("+fname+"[0] != 'm') return 1;"
659        if self.checkCompile('',code) and self.checkLink('',code):
660          name = fname
661          break
662      self.popLanguage()
663      return name
664    langs = []
665
666    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
667    if hasattr(self.compilers, 'CXX'):
668      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
669
670  def configureIntptrt(self):
671    '''Determine what to use for uintptr_t'''
672    def staticAssertSizeMatchesVoidStar(inc,typename):
673      # The declaration is an error if either array size is negative.
674      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
675      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
676                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
677    self.pushLanguage(self.languages.clanguage)
678    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
679      self.addDefine('UINTPTR_T', 'uintptr_t')
680    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
681      self.addDefine('UINTPTR_T', 'unsigned long long')
682    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
683      self.addDefine('UINTPTR_T', 'size_t')
684    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
685      self.addDefine('UINTPTR_T', 'unsigned long')
686    elif staticAssertSizeMatchesVoidStar('','unsigned'):
687      self.addDefine('UINTPTR_T', 'unsigned')
688    else:
689      raise RuntimeError('Could not find any unsigned integer type matching void*')
690    self.popLanguage()
691
692  def configureRTLDDefault(self):
693    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
694      self.addDefine('RTLD_DEFAULT','1')
695    return
696
697  def configureSolaris(self):
698    '''Solaris specific stuff'''
699    if os.path.isdir(os.path.join('/usr','ucblib')):
700      try:
701        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
702      except AttributeError:
703        flag = None
704      if flag is None:
705        self.compilers.LIBS += ' -L/usr/ucblib'
706      else:
707        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
708    return
709
710  def configureLinux(self):
711    '''Linux specific stuff'''
712    # TODO: Test for this by mallocing an odd number of floats and checking the address
713    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
714    return
715
716  def configureWin32(self):
717    '''Win32 non-cygwin specific stuff'''
718    kernel32=0
719    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
720      self.addDefine('HAVE_WINDOWS_H',1)
721      self.addDefine('HAVE_GETCOMPUTERNAME',1)
722      kernel32=1
723    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <windows.h>', call='GetComputerName(NULL,NULL);'):
724      self.addDefine('HAVE_WINDOWS_H',1)
725      self.addDefine('HAVE_GETCOMPUTERNAME',1)
726      kernel32=1
727    if kernel32:
728      if self.framework.argDB['with-windows-graphics']:
729        self.addDefine('USE_WINDOWS_GRAPHICS',1)
730      if self.checkLink('#include <windows.h>','LoadLibrary(0)'):
731        self.addDefine('HAVE_LOADLIBRARY',1)
732      if self.checkLink('#include <windows.h>','GetProcAddress(0,0)'):
733        self.addDefine('HAVE_GETPROCADDRESS',1)
734      if self.checkLink('#include <windows.h>','FreeLibrary(0)'):
735        self.addDefine('HAVE_FREELIBRARY',1)
736      if self.checkLink('#include <windows.h>','GetLastError()'):
737        self.addDefine('HAVE_GETLASTERROR',1)
738      if self.checkLink('#include <windows.h>','SetLastError(0)'):
739        self.addDefine('HAVE_SETLASTERROR',1)
740      if self.checkLink('#include <windows.h>\n','QueryPerformanceCounter(0);\n'):
741        self.addDefine('USE_MICROSOFT_TIME',1)
742    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
743      self.addDefine('HAVE_GET_USER_NAME',1)
744    elif self.libraries.add('advapi32','GetUserName',prototype='#include <windows.h>', call='GetUserName(NULL,NULL);'):
745      self.addDefine('HAVE_GET_USER_NAME',1)
746
747    if not self.libraries.add('User32.lib','GetDC',prototype='#include <windows.h>',call='GetDC(0);'):
748      self.libraries.add('user32','GetDC',prototype='#include <windows.h>',call='GetDC(0);')
749    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);'):
750      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <windows.h>',call='CreateCompatibleDC(0);')
751
752    self.types.check('int32_t', 'int')
753    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
754      self.addTypedef('int', 'uid_t')
755      self.addTypedef('int', 'gid_t')
756    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
757      self.framework.addDefine('R_OK', '04')
758      self.framework.addDefine('W_OK', '02')
759      self.framework.addDefine('X_OK', '01')
760    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
761      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
762      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
763    if self.checkCompile('#include <windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
764      self.addDefine('HAVE_LARGE_INTEGER_U',1)
765
766    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
767    if self.checkCompile('#include <windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
768      self.addDefine('HAVE_O_BINARY',1)
769
770    if self.compilers.CC.find('win32fe') >= 0:
771      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
772      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
773      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
774      self.addDefine('CANNOT_START_DEBUGGER',1)
775      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
776      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
777      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
778      self.addMakeMacro('wPETSC_DIR',petscdir)
779      if self.dataFilesPath.datafilespath:
780        (datafilespath,error,status) = self.executeShellCommand('cygpath -m '+self.dataFilesPath.datafilespath, log = self.log)
781        self.addMakeMacro('DATAFILESPATH',datafilespath)
782
783    else:
784      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
785      self.addDefine('DIR_SEPARATOR','\'/\'')
786      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
787      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
788      if self.dataFilesPath.datafilespath:
789        self.addMakeMacro('DATAFILESPATH',self.dataFilesPath.datafilespath)
790    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
791    return
792
793#-----------------------------------------------------------------------------------------------------
794  def configureCygwinBrokenPipe(self):
795    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
796    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
797    if config.setCompilers.Configure.isCygwin(self.log):
798      import platform
799      import re
800      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
801      m=r.match(platform.release())
802      major=int(m.group(1))
803      minor=int(m.group(2))
804      subminor=int(m.group(3))
805      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
806        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
807    return
808
809#-----------------------------------------------------------------------------------------------------
810  def configureDefaultArch(self):
811    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
812    if self.framework.argDB['with-default-arch']:
813      fd = open(conffile, 'w')
814      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
815      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
816      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
817      fd.close()
818      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
819    elif os.path.isfile(conffile):
820      try:
821        os.unlink(conffile)
822      except:
823        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
824    return
825
826#-----------------------------------------------------------------------------------------------------
827  def configureScript(self):
828    '''Output a script in the conf directory which will reproduce the configuration'''
829    import nargs
830    import sys
831    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
832    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
833    if 'with-clean' in args:
834      del args['with-clean']
835    if 'force' in args:
836      del args['force']
837    if 'configModules' in args:
838      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
839        del args['configModules']
840    if 'optionsModule' in args:
841      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
842        del args['optionsModule']
843    if not 'PETSC_ARCH' in args:
844      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
845    f = open(scriptName, 'w')
846    f.write('#!'+sys.executable+'\n')
847    f.write('if __name__ == \'__main__\':\n')
848    f.write('  import sys\n')
849    f.write('  import os\n')
850    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
851    f.write('  import configure\n')
852    # pretty print repr(args.values())
853    f.write('  configure_options = [\n')
854    for itm in sorted(args.values()):
855      f.write('    \''+str(itm)+'\',\n')
856    f.write('  ]\n')
857    f.write('  configure.petsc_configure(configure_options)\n')
858    f.close()
859    try:
860      os.chmod(scriptName, 0o775)
861    except OSError as e:
862      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
863    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
864    return
865
866  def configureInstall(self):
867    '''Setup the directories for installation'''
868    if self.framework.argDB['prefix']:
869      self.addMakeRule('print_mesg_after_build','',
870       ['-@echo "========================================="',
871        '-@echo "Now to install the libraries do:"',
872        '-@echo "%s${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"' % self.installdir.installSudo,
873        '-@echo "========================================="'])
874    else:
875      self.addMakeRule('print_mesg_after_build','',
876       ['-@echo "========================================="',
877        '-@echo "Now to check if the libraries are working do:"',
878        '-@echo "${MAKE_USER} PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',
879        '-@echo "========================================="'])
880      return
881
882  def configureGCOV(self):
883    if self.framework.argDB['with-gcov']:
884      self.addDefine('USE_GCOV','1')
885    return
886
887  def postProcessPackages(self):
888    postPackages=[]
889    for i in self.framework.packages:
890      if hasattr(i,'postProcess'): postPackages.append(i)
891    if postPackages:
892      # ctetgen needs petsc conf files. so attempt to create them early
893      self.framework.dumpConfFiles()
894      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
895      for i in postPackages:
896        if i.name.upper() in ['PFLOTRAN']:
897          i.postProcess()
898          postPackages.remove(i)
899      for i in postPackages: i.postProcess()
900      for i in postPackages:
901        if i.installedpetsc:
902          self.installed = 1
903          break
904    return
905
906  def configure(self):
907    if 'package-prefix-hash' in self.argDB:
908      # turn off prefix if it was only used to for installing external packages.
909      self.framework.argDB['prefix'] = ''
910      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
911      self.installdir.dir = self.dir
912      self.installdir.petscDir = self.petscdir.dir
913      self.petscDir = self.petscdir.dir
914      self.petscArch = self.arch.arch
915      self.addMakeMacro('PREFIXDIR',self.dir)
916      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
917
918    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
919      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
920    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
921      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
922    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
923      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')
924    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)):
925      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
926    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
927    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
928    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
929    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
930    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
931    if self.libraries.math is None:
932      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
933    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
934      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
935    self.executeTest(self.configureRTLDDefault)
936    self.executeTest(self.configurePrefetch)
937    self.executeTest(self.configureUnused)
938    self.executeTest(self.configureDeprecated)
939    self.executeTest(self.configureIsatty)
940    self.executeTest(self.configureExpect)
941    self.executeTest(self.configureAlign)
942    self.executeTest(self.configureFunctionName)
943    self.executeTest(self.configureIntptrt)
944    self.executeTest(self.configureSolaris)
945    self.executeTest(self.configureLinux)
946    self.executeTest(self.configureWin32)
947    self.executeTest(self.configureCygwinBrokenPipe)
948    self.executeTest(self.configureDefaultArch)
949    self.executeTest(self.configureScript)
950    self.executeTest(self.configureInstall)
951    self.executeTest(self.configureGCOV)
952    self.executeTest(self.configureAtoll)
953
954    self.Dump()
955    self.dumpConfigInfo()
956    self.dumpMachineInfo()
957    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
958    self.framework.storeSubstitutions(self.framework.argDB)
959    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
960    self.framework.argDB.save(force = True)
961    self.DumpPkgconfig('PETSc.pc')
962    self.DumpPkgconfig('petsc.pc')
963    self.DumpModule()
964    self.postProcessPackages()
965    self.framework.log.write('================================================================================\n')
966    self.logClear()
967    return
968