xref: /petsc/config/PETSc/Configure.py (revision 8a69e0c0b3aba82e79778627fb61ece547c3bb6c)
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 = []
18    if not self.installed:
19      desc.append('xxx=========================================================================xxx')
20      if self.make.getMakeMacro('MAKE_IS_GNUMAKE'):
21        build_type = 'gnumake build'
22      elif self.getMakeMacro('PETSC_BUILD_USING_CMAKE'):
23        build_type = 'cmake build'
24      else:
25        build_type = 'legacy build'
26      desc.append(' Configure stage complete. Now build PETSc libraries with (%s):' % build_type)
27      desc.append('   make PETSC_DIR='+self.petscdir.dir+' PETSC_ARCH='+self.arch.arch+' all')
28      desc.append('xxx=========================================================================xxx')
29    else:
30      desc.append('xxx=========================================================================xxx')
31      desc.append(' Installation complete. You do not need to run make to compile or install the software')
32      desc.append('xxx=========================================================================xxx')
33    return '\n'.join(desc)+'\n'
34
35  def setupHelp(self, help):
36    import nargs
37    help.addArgument('PETSc',  '-prefix=<dir>',                   nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
38    help.addArgument('PETSc',  '-with-prefetch=<bool>',           nargs.ArgBool(None, 1,'Enable checking for prefetch instructions'))
39    help.addArgument('Windows','-with-windows-graphics=<bool>',   nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
40    help.addArgument('PETSc', '-with-default-arch=<bool>',        nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
41    help.addArgument('PETSc','-with-single-library=<bool>',       nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
42    help.addArgument('PETSc','-with-fortran-bindings=<bool>',     nargs.ArgBool(None, 1,'Build PETSc fortran bindings in the library and corresponding module files'))
43    help.addArgument('PETSc', '-with-ios=<bool>',              nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
44    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'))
45    help.addArgument('PETSc', '-known-has-attribute-aligned=<bool>',nargs.ArgBool(None, None, 'Indicates __attribute((aligned(16)) directive works (the usual test will be skipped)'))
46    help.addArgument('PETSc', '-with-display=<x11display>',       nargs.Arg(None, '', 'Specifiy DISPLAY env variable for use with matlab test)'))
47    return
48
49  def registerPythonFile(self,filename,directory):
50    ''' Add a python file to the framework and registers its headerprefix, ... externalpackagedir
51        directory is the directory where the file relative to the BuildSystem or config path in python notation with . '''
52    (utilityName, ext) = os.path.splitext(filename)
53    if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
54      if directory: directory = directory+'.'
55      utilityObj                             = self.framework.require(directory+utilityName, self)
56      utilityObj.headerPrefix                = self.headerPrefix
57      utilityObj.archProvider                = self.arch
58      utilityObj.languageProvider            = self.languages
59      utilityObj.installDirProvider          = self.installdir
60      utilityObj.externalPackagesDirProvider = self.externalpackagesdir
61      utilityObj.precisionProvider           = self.scalartypes
62      utilityObj.indexProvider               = self.indexTypes
63      setattr(self, utilityName.lower(), utilityObj)
64      return utilityObj
65    return None
66
67  def setupDependencies(self, framework):
68    config.base.Configure.setupDependencies(self, framework)
69    self.programs      = framework.require('config.programs',           self)
70    self.setCompilers  = framework.require('config.setCompilers',       self)
71    self.compilers     = framework.require('config.compilers',          self)
72    self.arch          = framework.require('PETSc.options.arch',        self.setCompilers)
73    self.petscdir      = framework.require('PETSc.options.petscdir',    self.arch)
74    self.installdir    = framework.require('PETSc.options.installDir',  self)
75    self.scalartypes   = framework.require('PETSc.options.scalarTypes', self)
76    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self)
77    self.languages     = framework.require('PETSc.options.languages',   self.setCompilers)
78    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self.compilers)
79    self.compilers     = framework.require('config.compilers',          self)
80    self.types         = framework.require('config.types',              self)
81    self.headers       = framework.require('config.headers',            self)
82    self.functions     = framework.require('config.functions',          self)
83    self.libraries     = framework.require('config.libraries',          self)
84    self.atomics       = framework.require('config.atomics',            self)
85    self.make          = framework.require('config.packages.make',      self)
86    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
87    self.cmake         = framework.require('config.packages.cmake',self)
88    self.externalpackagesdir = framework.require('PETSc.options.externalpackagesdir',self)
89    self.mpi           = framework.require('config.packages.MPI',self)
90
91    for utility in sorted(os.listdir(os.path.join('config','PETSc','options'))):
92      self.registerPythonFile(utility,'PETSc.options')
93
94    for utility in sorted(os.listdir(os.path.join('config','BuildSystem','config','utilities'))):
95      self.registerPythonFile(utility,'config.utilities')
96
97    for package in sorted(os.listdir(os.path.join('config', 'BuildSystem', 'config', 'packages'))):
98      obj = self.registerPythonFile(package,'config.packages')
99      if obj:
100        obj.archProvider                = self.framework.requireModule(obj.archProvider, obj)
101        obj.languageProvider            = self.framework.requireModule(obj.languageProvider, obj)
102        obj.installDirProvider          = self.framework.requireModule(obj.installDirProvider, obj)
103        obj.externalPackagesDirProvider = self.framework.requireModule(obj.externalPackagesDirProvider, obj)
104        obj.precisionProvider           = self.framework.requireModule(obj.precisionProvider, obj)
105        obj.indexProvider               = self.framework.requireModule(obj.indexProvider, obj)
106
107    # Force blaslapack and opencl to depend on scalarType so precision is set before BlasLapack is built
108    framework.require('PETSc.options.scalarTypes', self.f2cblaslapack)
109    framework.require('PETSc.options.scalarTypes', self.fblaslapack)
110    framework.require('PETSc.options.scalarTypes', self.blaslapack)
111    framework.require('PETSc.options.scalarTypes', self.opencl)
112
113    self.programs.headerPrefix   = self.headerPrefix
114    self.compilers.headerPrefix  = self.headerPrefix
115    self.types.headerPrefix      = self.headerPrefix
116    self.headers.headerPrefix    = self.headerPrefix
117    self.functions.headerPrefix  = self.headerPrefix
118    self.libraries.headerPrefix  = self.headerPrefix
119
120    # Look for any user provided --download-xxx=directory packages
121    for arg in sys.argv:
122      if arg.startswith('--download-') and arg.find('=') > -1:
123        pname = arg[11:arg.find('=')]
124        if not hasattr(self,pname):
125          dname = os.path.dirname(arg[arg.find('=')+1:])
126          if os.path.isdir(dname) and not os.path.isfile(os.path.join(dname,pname+'.py')):
127            self.framework.logPrint('User is registering a new package: '+arg)
128            sys.path.append(dname)
129            self.registerPythonFile(pname+'.py','')
130
131    # test for a variety of basic headers and functions
132    headersC = map(lambda name: name+'.h', ['setjmp','dos', 'endian', 'fcntl', 'float', 'io', 'limits', 'malloc', 'pwd', 'search', 'strings',
133                                            'unistd', 'sys/sysinfo', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
134                                            'sys/systeminfo', 'sys/times', 'sys/utsname','string', 'stdlib',
135                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
136                                            'WindowsX', 'cxxabi','float','ieeefp','stdint','sched','pthread','inttypes','immintrin','zmmintrin'])
137    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname',
138                 'gettimeofday', 'getwd', 'memalign', 'mkstemp', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
139                 'readlink', 'realpath',  'sigaction', 'signal', 'sigset', 'usleep', 'sleep', '_sleep', 'socket',
140                 'times', 'gethostbyname', 'uname','snprintf','_snprintf','lseek','_lseek','time','fork','stricmp',
141                 'strcasecmp', 'bzero', 'dlopen', 'dlsym', 'dlclose', 'dlerror','get_nprocs','sysctlbyname',
142                 '_set_output_format','_mkdir']
143    libraries1 = [(['socket', 'nsl'], 'socket'), (['fpe'], 'handle_sigfpes')]
144    self.headers.headers.extend(headersC)
145    self.functions.functions.extend(functions)
146    self.libraries.libraries.extend(libraries1)
147
148    return
149
150  def DumpPkgconfig(self):
151    ''' Create a pkg-config file '''
152    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
153      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
154    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig','PETSc.pc'),'w')
155    cflags_inc = ['-I${includedir}']
156    if self.framework.argDB['prefix']:
157      fd.write('prefix='+self.installdir.dir+'\n')
158    else:
159      fd.write('prefix='+os.path.join(self.petscdir.dir, self.arch.arch)+'\n')
160      cflags_inc.append('-I' + os.path.join(self.petscdir.dir, 'include'))
161    fd.write('exec_prefix=${prefix}\n')
162    fd.write('includedir=${prefix}/include\n')
163    fd.write('libdir=${prefix}/lib\n')
164
165    self.setCompilers.pushLanguage('C')
166    fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
167    fd.write('cflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
168    fd.write('cflags_dep='+self.compilers.dependenciesGenerationFlag.get('C','')+'\n')
169    fd.write('ldflag_rpath='+self.setCompilers.CSharedLinkerFlag+'\n')
170    self.setCompilers.popLanguage()
171    if hasattr(self.compilers, 'C++'):
172      self.setCompilers.pushLanguage('C++')
173      fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
174      fd.write('cxxflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
175      self.setCompilers.popLanguage()
176    if hasattr(self.compilers, 'FC'):
177      self.setCompilers.pushLanguage('FC')
178      fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
179      fd.write('fflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
180      self.setCompilers.popLanguage()
181
182    fd.write('\n')
183    fd.write('Name: PETSc\n')
184    fd.write('Description: Library to solve ODEs and algebraic equations\n')
185    fd.write('Version: %s\n' % self.petscdir.version)
186    fd.write('Cflags: ' + ' '.join([self.setCompilers.CPPFLAGS] + cflags_inc) + '\n')
187    fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
188    # Remove RPATH flags from library list.  User can add them using
189    # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
190    fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
191
192    fd.close()
193    return
194
195  def DumpModule(self):
196    ''' Create a module file '''
197    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
198      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
199    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
200      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
201    if self.framework.argDB['prefix']:
202      installdir  = self.installdir.dir
203      installarch = ''
204      installpath = os.path.join(installdir,'bin')
205    else:
206      installdir  = self.petscdir.dir
207      installarch = self.arch.arch
208      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
209    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
210    fd.write('''\
211#%%Module
212
213proc ModulesHelp { } {
214    puts stderr "This module sets the path and environment variables for petsc-%s"
215    puts stderr "     see http://www.mcs.anl.gov/petsc/ for more information      "
216    puts stderr ""
217}
218module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
219
220set petsc_dir   "%s"
221set petsc_arch  "%s"
222
223setenv PETSC_ARCH "$petsc_arch"
224setenv PETSC_DIR "$petsc_dir"
225prepend-path PATH "%s"
226''' % (self.petscdir.version, installdir, installarch, installpath))
227    fd.close()
228    return
229
230  def Dump(self):
231    ''' Actually put the values into the configuration files '''
232    # eventually everything between -- should be gone
233    if self.mpi.usingMPIUni:
234      #
235      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
236      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)
237
238    self.setCompilers.pushLanguage('C')
239    compiler = self.setCompilers.getCompiler()
240    if compiler.endswith('mpicc') or compiler.endswith('mpiicc'):
241      try:
242        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
243        compiler = output.split(' ')[0]
244        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
245      except:
246        self.addDefine('MPICC_SHOW','"Unavailable"')
247    else:
248      self.addDefine('MPICC_SHOW','"Unavailable"')
249    self.setCompilers.popLanguage()
250#-----------------------------------------------------------------------------------------------------
251
252    # Sometimes we need C compiler, even if built with C++
253    self.setCompilers.pushLanguage('C')
254    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
255    self.setCompilers.popLanguage()
256
257    # And sometimes we need a C++ compiler even when PETSc is built with C
258    if hasattr(self.compilers, 'CXX'):
259      self.setCompilers.pushLanguage('Cxx')
260      self.addDefine('HAVE_CXX','1')
261      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
262      cxx_linker = self.setCompilers.getLinker()
263      self.addMakeMacro('CXX_LINKER',cxx_linker)
264      self.addMakeMacro('CXX_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
265      self.setCompilers.popLanguage()
266
267    # C preprocessor values
268    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
269
270    # compiler values
271    self.setCompilers.pushLanguage(self.languages.clanguage)
272    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
273    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
274    self.setCompilers.popLanguage()
275    # .o or .obj
276    self.addMakeMacro('CC_SUFFIX','o')
277
278    # executable linker values
279    self.setCompilers.pushLanguage(self.languages.clanguage)
280    pcc_linker = self.setCompilers.getLinker()
281    self.addMakeMacro('PCC_LINKER',pcc_linker)
282    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
283    self.setCompilers.popLanguage()
284    # '' for Unix, .exe for Windows
285    self.addMakeMacro('CC_LINKER_SUFFIX','')
286
287    if hasattr(self.compilers, 'FC'):
288      if self.framework.argDB['with-fortran-bindings']:
289        self.addDefine('HAVE_FORTRAN','1')
290      self.setCompilers.pushLanguage('FC')
291      # need FPPFLAGS in config/setCompilers
292      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
293
294      # compiler values
295      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
296      self.setCompilers.popLanguage()
297      # .o or .obj
298      self.addMakeMacro('FC_SUFFIX','o')
299
300      # executable linker values
301      self.setCompilers.pushLanguage('FC')
302      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
303      fc_linker = self.setCompilers.getLinker()
304      if config.setCompilers.Configure.isNAG(fc_linker, self.log):
305        self.addMakeMacro('FC_LINKER',pcc_linker)
306      else:
307        self.addMakeMacro('FC_LINKER',fc_linker)
308      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
309      # apple requires this shared library linker flag on SOME versions of the os
310      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
311        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
312      self.setCompilers.popLanguage()
313
314      # F90 Modules
315      if self.setCompilers.fortranModuleIncludeFlag:
316        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
317      else: # for non-f90 compilers like g77
318        self.addMakeMacro('FC_MODULE_FLAG', '-I')
319      if self.setCompilers.fortranModuleIncludeFlag:
320        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
321    else:
322      self.addMakeMacro('FC','')
323
324    if hasattr(self.compilers, 'CUDAC'):
325      self.setCompilers.pushLanguage('CUDA')
326      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
327      self.setCompilers.popLanguage()
328
329    # shared library linker values
330    self.setCompilers.pushLanguage(self.languages.clanguage)
331    # need to fix BuildSystem to collect these separately
332    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
333    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
334    self.setCompilers.popLanguage()
335    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
336    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
337    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
338      self.addMakeMacro('SL_LINKER_SUFFIX', '')
339      self.addDefine('SLSUFFIX','""')
340    else:
341      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
342      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
343
344    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
345
346#-----------------------------------------------------------------------------------------------------
347
348    # CONLY or CPP. We should change the PETSc makefiles to do this better
349    if self.languages.clanguage == 'C': lang = 'CONLY'
350    else: lang = 'CXXONLY'
351    self.addMakeMacro('PETSC_LANGUAGE',lang)
352
353    # real or complex
354    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
355    # double or float
356    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
357
358    if self.framework.argDB['with-batch']:
359      self.addMakeMacro('PETSC_WITH_BATCH','1')
360
361    # Test for compiler-specific macros that need to be defined.
362    if self.setCompilers.isCrayVector('CC', self.log):
363      self.addDefine('HAVE_CRAY_VECTOR','1')
364
365#-----------------------------------------------------------------------------------------------------
366    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
367      self.addDefine('USE_SOCKET_VIEWER','1')
368      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
369        self.addDefine('HAVE_SO_REUSEADDR','1')
370
371#-----------------------------------------------------------------------------------------------------
372    # print include and lib for makefiles
373    self.framework.packages.reverse()
374    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
375    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
376    includes = []
377    self.packagelibs = []
378    for i in self.framework.packages:
379      if i.useddirectly:
380        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
381      if not isinstance(i.lib, list):
382        i.lib = [i.lib]
383      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
384      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
385      if hasattr(i,'include'):
386        if not isinstance(i.include,list):
387          i.include = [i.include]
388        includes.extend(i.include)
389        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
390    if self.framework.argDB['with-single-library']:
391      self.petsclib = '-lpetsc'
392    else:
393      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
394    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
395    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
396    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
397    if self.framework.argDB['prefix'] and self.setCompilers.CSharedLinkerFlag not in ['-L']:
398      self.PETSC_EXTERNAL_LIB_BASIC = self.PETSC_EXTERNAL_LIB_BASIC.replace(self.setCompilers.CSharedLinkerFlag+os.path.join(self.petscdir.dir,self.arch.arch,'lib'),self.setCompilers.CSharedLinkerFlag+os.path.join(self.installdir.dir,'lib'))
399
400    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
401    allincludes = petscincludes + includes
402    allincludes_install = petscincludes_install + includes
403    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
404    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
405    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
406    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
407    if hasattr(self.compilers, 'FC'):
408      def modinc(includes):
409        return includes if self.compilers.fortranIsF90 else []
410      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
411      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
412
413    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
414
415    if self.framework.argDB['with-single-library']:
416      # overrides the values set in conf/variables
417      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
418      self.addMakeMacro('SHLIBS','libpetsc')
419      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
420      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
421      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
422      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
423      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
424      self.addDefine('USE_SINGLE_LIBRARY', '1')
425      if self.sharedlibraries.useShared:
426        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
427        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
428        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
429        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
430        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
431        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
432        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
433        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
434        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
435        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
436        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
437      else:
438        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
439        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
440        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
441        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
442        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
449
450    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
451      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
452
453# add a makefile endtry for display
454    if self.framework.argDB['with-display']:
455      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
456
457    # add a makefile entry for configure options
458    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
459    return
460
461  def dumpConfigInfo(self):
462    import time
463    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
464    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
465    fd.close()
466    return
467
468  def dumpMachineInfo(self):
469    import platform
470    import datetime
471    import time
472    import script
473    def escape(s):
474      return s.replace('"',r'\"').replace(r'\ ',r'\\ ')
475    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
476    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
477    fd.write('\"-----------------------------------------\\n\"\n')
478    buildhost = platform.node()
479    if os.environ.get('SOURCE_DATE_EPOCH'):
480      buildhost = "reproducible"
481    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
482    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
483    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
484    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
485    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
486    fd.write('\"-----------------------------------------\\n\";\n')
487    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
488    self.setCompilers.pushLanguage(self.languages.clanguage)
489    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
490    self.setCompilers.popLanguage()
491    if hasattr(self.compilers, 'FC'):
492      self.setCompilers.pushLanguage('FC')
493      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
494      self.setCompilers.popLanguage()
495    fd.write('\"-----------------------------------------\\n\";\n')
496    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
497    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
498    fd.write('\"-----------------------------------------\\n\";\n')
499    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
500    self.setCompilers.pushLanguage(self.languages.clanguage)
501    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
502    self.setCompilers.popLanguage()
503    if hasattr(self.compilers, 'FC'):
504      self.setCompilers.pushLanguage('FC')
505      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
506      self.setCompilers.popLanguage()
507    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)))
508    fd.write('\"-----------------------------------------\\n\";\n')
509    fd.close()
510    return
511
512  def dumpCMakeConfig(self):
513    '''
514    Writes configuration-specific values to ${PETSC_ARCH}/lib/petsc/conf/PETScBuildInternal.cmake.
515    This file is private to PETSc and should not be included by third parties
516    (a suitable file can be produced later by CMake, but this is not it).
517    '''
518    def cmakeset(fd,key,val=True):
519      if val == True: val = 'YES'
520      if val == False: val = 'NO'
521      fd.write('set (' + key + ' ' + val + ')\n')
522    def ensurelist(a):
523      if isinstance(a,list):
524        return a
525      else:
526        return [a]
527    def libpath(lib):
528      'Returns a search path if that is what this item provides, else "" which will be cleaned out later'
529      if not isinstance(lib,str): return ''
530      if lib.startswith('-L'): return lib[2:]
531      if lib.startswith('-R'): return lib[2:]
532      if lib.startswith('-Wl,-rpath,'):
533        # This case occurs when an external package needs a specific system library that is normally provided by the compiler.
534        # In other words, the -L path is builtin to the wrapper or compiler, here we provide it so that CMake can locate the
535        # corresponding library.
536        return lib[len('-Wl,-rpath,'):]
537      if lib.startswith('-'): return ''
538      return os.path.dirname(lib)
539    def cleanlib(lib):
540      'Returns a library name if that is what this item provides, else "" which will be cleaned out later'
541      if not isinstance(lib,str): return ''
542      if lib.startswith('-l'):  return lib[2:]
543      if lib.startswith('-Wl') or lib.startswith('-L'): return ''
544      lib = os.path.splitext(os.path.basename(lib))[0]
545      if lib.startswith('lib'): return lib[3:]
546      return lib
547    def nub(lst):
548      'Return a list containing the first occurrence of each unique element'
549      unique = []
550      for elem in lst:
551        if elem not in unique and elem != '':
552          unique.append(elem)
553      return unique
554    def nublast(lst):
555      'Return a list containing the last occurrence of each unique entry in a list'
556      return reversed(nub(reversed(lst)))
557    def cmakeexpand(varname):
558      return r'"${' + varname + r'}"'
559    def uniqextend(lst,new):
560      for x in ensurelist(new):
561        if x not in lst:
562          lst.append(x)
563    def notstandardinclude(path):
564      return path not in '/usr/include'.split() # /usr/local/include is not automatically included on FreeBSD
565    def writeMacroDefinitions(fd):
566      if self.mpi.usingMPIUni:
567        cmakeset(fd,'PETSC_HAVE_MPIUNI')
568      for pkg in self.framework.packages:
569        if pkg.useddirectly:
570          cmakeset(fd,'PETSC_HAVE_' + pkg.PACKAGE.replace('-','_'))
571        for pair in pkg.defines.items():
572          if pair[0].startswith('HAVE_') and pair[1]:
573            cmakeset(fd, self.framework.getFullDefineName(pkg, pair[0]), pair[1])
574      for name,val in self.functions.defines.items():
575        cmakeset(fd,'PETSC_'+name,val)
576      for dct in [self.defines, self.libraryoptions.defines]:
577        for k,v in dct.items():
578          if k.startswith('USE_'):
579            cmakeset(fd,'PETSC_' + k, v)
580      cmakeset(fd,'PETSC_USE_COMPLEX', self.scalartypes.scalartype == 'complex')
581      cmakeset(fd,'PETSC_USE_REAL_' + self.scalartypes.precision.upper())
582      cmakeset(fd,'PETSC_CLANGUAGE_'+self.languages.clanguage)
583      if hasattr(self.compilers, 'FC'):
584        cmakeset(fd,'PETSC_HAVE_FORTRAN')
585        if self.compilers.fortranIsF90:
586          cmakeset(fd,'PETSC_USING_F90')
587        if self.compilers.fortranIsF2003:
588          cmakeset(fd,'PETSC_USING_F2003')
589      if hasattr(self.compilers, 'CXX'):
590        cmakeset(fd,'PETSC_HAVE_CXX')
591      if self.sharedlibraries.useShared:
592        cmakeset(fd,'BUILD_SHARED_LIBS')
593    def writeBuildFlags(fd):
594      def extendby(lib):
595        libs = ensurelist(lib)
596        lib_paths.extend(map(libpath,libs))
597        lib_libs.extend(map(cleanlib,libs))
598      lib_paths = []
599      lib_libs  = []
600      includes  = []
601      libvars   = []
602      for pkg in self.framework.packages:
603        if pkg.linkedbypetsc:
604          extendby(pkg.lib)
605          uniqextend(includes,pkg.include)
606      extendby(self.libraries.math)
607      extendby(self.libraries.rt)
608      extendby(self.compilers.flibs)
609      extendby(self.compilers.cxxlibs)
610      extendby(self.compilers.LIBS.split())
611      for libname in nublast(lib_libs):
612        libvar = 'PETSC_' + libname.upper() + '_LIB'
613        addpath = ''
614        for lpath in nublast(lib_paths):
615          addpath += '"' + str(lpath) + '" '
616        fd.write('find_library (' + libvar + ' ' + libname + ' HINTS ' + addpath + ')\n')
617        libvars.append(libvar)
618      fd.write('mark_as_advanced (' + ' '.join(libvars) + ')\n')
619      fd.write('set (PETSC_PACKAGE_LIBS ' + ' '.join(map(cmakeexpand,libvars)) + ')\n')
620      includes = list(filter(notstandardinclude,includes))
621      fd.write('set (PETSC_PACKAGE_INCLUDES ' + ' '.join(map(lambda i: '"'+i+'"',includes)) + ')\n')
622    fd = open(os.path.join(self.arch.arch,'lib','petsc','conf','PETScBuildInternal.cmake'), 'w')
623    writeMacroDefinitions(fd)
624    writeBuildFlags(fd)
625    fd.close()
626    return
627
628  def dumpCMakeLists(self):
629    import sys
630    if sys.version_info >= (2,4):
631      import cmakegen
632      try:
633        cmakegen.main(self.petscdir.dir, log=self.framework.log)
634      except (OSError) as e:
635        self.framework.logPrint('Generating CMakeLists.txt failed:\n' + str(e))
636    else:
637      self.framework.logPrint('Skipping cmakegen due to old python version: ' +str(sys.version_info) )
638
639  def cmakeBoot(self):
640    import sys
641    self.cmakeboot_success = False
642    if sys.version_info >= (2,4) and hasattr(self.cmake,'cmake'):
643      oldRead = self.argDB.readonly
644      self.argDB.readonly = True
645      try:
646        import cmakeboot
647        self.cmakeboot_success = cmakeboot.main(petscdir=self.petscdir.dir,petscarch=self.arch.arch,argDB=self.argDB,framework=self.framework,log=self.framework.log)
648      except (OSError) as e:
649        self.framework.logPrint('Booting CMake in PETSC_ARCH failed:\n' + str(e))
650      except (ImportError, KeyError) as e:
651        self.framework.logPrint('Importing cmakeboot failed:\n' + str(e))
652      self.argDB.readonly = oldRead
653      if self.cmakeboot_success:
654        if hasattr(self.compilers, 'FC') and self.compilers.fortranIsF90 and not self.setCompilers.fortranModuleOutputFlag:
655          self.framework.logPrint('CMake configured successfully, but could not be used by default because of missing fortranModuleOutputFlag\n')
656        else:
657          self.framework.logPrint('CMake configured successfully, using as default build\n')
658          self.addMakeMacro('PETSC_BUILD_USING_CMAKE',1)
659      else:
660        self.framework.logPrint('CMake configuration was unsuccessful\n')
661    else:
662      self.framework.logPrint('Skipping cmakeboot due to old python version: ' +str(sys.version_info) )
663    return
664
665  def configurePrefetch(self):
666    '''Sees if there are any prefetch functions supported'''
667    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
668      self.addDefine('Prefetch(a,b,c)', ' ')
669      return
670    self.pushLanguage(self.languages.clanguage)
671    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
672      # The Intel Intrinsics manual [1] specifies the prototype
673      #
674      #   void _mm_prefetch(char const *a, int sel);
675      #
676      # but other vendors seem to insist on using subtly different
677      # prototypes, including void* for the pointer, and an enum for
678      # sel.  These are both reasonable changes, but negatively impact
679      # portability.
680      #
681      # [1] http://software.intel.com/file/6373
682      self.addDefine('HAVE_XMMINTRIN_H', 1)
683      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
684      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
685      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
686      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
687      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
688    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
689      self.addDefine('HAVE_XMMINTRIN_H', 1)
690      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
691      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
692      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
693      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
694      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
695    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
696      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
697      #
698      #   The value of rw is a compile-time constant one or zero; one
699      #   means that the prefetch is preparing for a write to the memory
700      #   address and zero, the default, means that the prefetch is
701      #   preparing for a read. The value locality must be a compile-time
702      #   constant integer between zero and three. A value of zero means
703      #   that the data has no temporal locality, so it need not be left
704      #   in the cache after the access. A value of three means that the
705      #   data has a high degree of temporal locality and should be left
706      #   in all levels of cache possible. Values of one and two mean,
707      #   respectively, a low or moderate degree of temporal locality.
708      #
709      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
710      # hints.  Using macros for these values in necessary since some
711      # compilers require an enum.
712      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
713      self.addDefine('PREFETCH_HINT_NTA', '0')
714      self.addDefine('PREFETCH_HINT_T0',  '3')
715      self.addDefine('PREFETCH_HINT_T1',  '2')
716      self.addDefine('PREFETCH_HINT_T2',  '1')
717    else:
718      self.addDefine('Prefetch(a,b,c)', ' ')
719    self.popLanguage()
720
721  def configureAtoll(self):
722    '''Checks if atoll exists'''
723    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")'):
724       self.addDefine('HAVE_ATOLL', '1')
725
726  def configureUnused(self):
727    '''Sees if __attribute((unused)) is supported'''
728    if self.framework.argDB['with-ios']:
729      self.addDefine('UNUSED', ' ')
730      return
731    self.pushLanguage(self.languages.clanguage)
732    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'):
733      self.addDefine('UNUSED', '__attribute((unused))')
734    else:
735      self.addDefine('UNUSED', ' ')
736    self.popLanguage()
737
738  def configureIsatty(self):
739    '''Check if the Unix C function isatty() works correctly
740       Actually just assumes it does not work correctly on batch systems'''
741    if not self.framework.argDB['with-batch']:
742      self.addDefine('USE_ISATTY',1)
743
744  def configureDeprecated(self):
745    '''Check if __attribute((deprecated)) is supported'''
746    self.pushLanguage(self.languages.clanguage)
747    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
748    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
749    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
750    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
751    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
752    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
753    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
754    ## why we can't have nice things.
755    #
756    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
757    #   self.addDefine('DEPRECATED(why)', '__attribute((deprecated(why)))')
758    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
759      self.addDefine('DEPRECATED(why)', '__attribute((deprecated))')
760    else:
761      self.addDefine('DEPRECATED(why)', ' ')
762    self.popLanguage()
763
764  def configureAlign(self):
765    '''Check if __attribute(align) is supported'''
766    filename = 'conftestalign'
767    includes = '''
768#include <sys/types.h>
769#if STDC_HEADERS
770#include <stdlib.h>
771#include <stdio.h>
772#include <stddef.h>
773#endif\n'''
774    body     = '''
775struct mystruct {int myint;} __attribute((aligned(16)));
776FILE *f = fopen("'''+filename+'''", "w");
777if (!f) exit(1);
778fprintf(f, "%lu\\n", (unsigned long)sizeof(struct mystruct));
779'''
780    if 'known-has-attribute-aligned' in self.argDB:
781      if self.argDB['known-has-attribute-aligned']:
782        size = 16
783      else:
784        size = -3
785    elif not self.argDB['with-batch']:
786      self.pushLanguage(self.languages.clanguage)
787      try:
788        if self.checkRun(includes, body) and os.path.exists(filename):
789          f    = open(filename)
790          size = int(f.read())
791          f.close()
792          os.remove(filename)
793        else:
794          size = -4
795      except:
796        size = -1
797        self.framework.logPrint('Error checking attribute(aligned)')
798      self.popLanguage()
799    else:
800      self.framework.addBatchInclude(['#include <stdlib.h>', '#include <stdio.h>', '#include <sys/types.h>','struct mystruct {int myint;} __attribute((aligned(16)));'])
801      self.framework.addBatchBody('fprintf(output, "  \'--known-has-attribute-aligned=%d\',\\n", sizeof(struct mystruct)==16);')
802      size = -2
803    if size == 16:
804      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned (size)))')
805      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
806    else:
807      self.framework.logPrint('incorrect alignment. Found alignment:'+ str(size))
808      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
809    return
810
811  def configureExpect(self):
812    '''Sees if the __builtin_expect directive is supported'''
813    self.pushLanguage(self.languages.clanguage)
814    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
815      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
816    self.popLanguage()
817
818  def configureFunctionName(self):
819    '''Sees if the compiler supports __func__ or a variant.'''
820    def getFunctionName(lang):
821      name = '"unknown"'
822      self.pushLanguage(lang)
823      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
824        code = "if ("+fname+"[0] != 'm') return 1;"
825        if self.checkCompile('',code) and self.checkLink('',code):
826          name = fname
827          break
828      self.popLanguage()
829      return name
830    langs = []
831
832    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
833    if hasattr(self.compilers, 'CXX'):
834      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
835
836  def configureIntptrt(self):
837    '''Determine what to use for uintptr_t'''
838    def staticAssertSizeMatchesVoidStar(inc,typename):
839      # The declaration is an error if either array size is negative.
840      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
841      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
842                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
843    self.pushLanguage(self.languages.clanguage)
844    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
845      self.addDefine('UINTPTR_T', 'uintptr_t')
846    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
847      self.addDefine('UINTPTR_T', 'unsigned long long')
848    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
849      self.addDefine('UINTPTR_T', 'size_t')
850    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
851      self.addDefine('UINTPTR_T', 'unsigned long')
852    elif staticAssertSizeMatchesVoidStar('','unsigned'):
853      self.addDefine('UINTPTR_T', 'unsigned')
854    else:
855      raise RuntimeError('Could not find any unsigned integer type matching void*')
856    self.popLanguage()
857
858  def configureRTLDDefault(self):
859    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
860      self.addDefine('RTLD_DEFAULT','1')
861    return
862
863  def configureSolaris(self):
864    '''Solaris specific stuff'''
865    if os.path.isdir(os.path.join('/usr','ucblib')):
866      try:
867        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
868      except AttributeError:
869        flag = None
870      if flag is None:
871        self.compilers.LIBS += ' -L/usr/ucblib'
872      else:
873        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
874    return
875
876  def configureLinux(self):
877    '''Linux specific stuff'''
878    # TODO: Test for this by mallocing an odd number of floats and checking the address
879    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
880    return
881
882  def configureWin32(self):
883    '''Win32 non-cygwin specific stuff'''
884    kernel32=0
885    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
886      self.addDefine('HAVE_WINDOWS_H',1)
887      self.addDefine('HAVE_GETCOMPUTERNAME',1)
888      kernel32=1
889    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
890      self.addDefine('HAVE_WINDOWS_H',1)
891      self.addDefine('HAVE_GETCOMPUTERNAME',1)
892      kernel32=1
893    if kernel32:
894      if self.framework.argDB['with-windows-graphics']:
895        self.addDefine('USE_WINDOWS_GRAPHICS',1)
896      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
897        self.addDefine('HAVE_LOADLIBRARY',1)
898      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
899        self.addDefine('HAVE_GETPROCADDRESS',1)
900      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
901        self.addDefine('HAVE_FREELIBRARY',1)
902      if self.checkLink('#include <Windows.h>','GetLastError()'):
903        self.addDefine('HAVE_GETLASTERROR',1)
904      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
905        self.addDefine('HAVE_SETLASTERROR',1)
906      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
907        self.addDefine('USE_MICROSOFT_TIME',1)
908    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
909      self.addDefine('HAVE_GET_USER_NAME',1)
910    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
911      self.addDefine('HAVE_GET_USER_NAME',1)
912
913    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
914      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
915    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
916      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
917
918    self.types.check('int32_t', 'int')
919    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
920      self.addTypedef('int', 'uid_t')
921      self.addTypedef('int', 'gid_t')
922    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
923      self.framework.addDefine('R_OK', '04')
924      self.framework.addDefine('W_OK', '02')
925      self.framework.addDefine('X_OK', '01')
926    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
927      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
928      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
929    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
930      self.addDefine('HAVE_LARGE_INTEGER_U',1)
931
932    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
933    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
934      self.addDefine('HAVE_O_BINARY',1)
935
936    if self.compilers.CC.find('win32fe') >= 0:
937      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
938      self.addDefine('PATH_SEPARATOR','\';\'')
939      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
940      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
941      self.addDefine('CANNOT_START_DEBUGGER',1)
942      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
943      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
944      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
945      self.addMakeMacro('wPETSC_DIR',petscdir)
946    else:
947      self.addDefine('PATH_SEPARATOR','\':\'')
948      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
949      self.addDefine('DIR_SEPARATOR','\'/\'')
950      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
951      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
952    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
953    return
954
955#-----------------------------------------------------------------------------------------------------
956  def configureCygwinBrokenPipe(self):
957    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
958    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
959    if config.setCompilers.Configure.isCygwin(self.log):
960      import platform
961      import re
962      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
963      m=r.match(platform.release())
964      major=int(m.group(1))
965      minor=int(m.group(2))
966      subminor=int(m.group(3))
967      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
968        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
969    return
970
971#-----------------------------------------------------------------------------------------------------
972  def configureDefaultArch(self):
973    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
974    if self.framework.argDB['with-default-arch']:
975      fd = open(conffile, 'w')
976      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
977      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
978      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
979      fd.close()
980      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
981    elif os.path.isfile(conffile):
982      try:
983        os.unlink(conffile)
984      except:
985        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
986    return
987
988#-----------------------------------------------------------------------------------------------------
989  def configureScript(self):
990    '''Output a script in the conf directory which will reproduce the configuration'''
991    import nargs
992    import sys
993    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
994    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
995    if 'with-clean' in args:
996      del args['with-clean']
997    if 'configModules' in args:
998      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
999        del args['configModules']
1000    if 'optionsModule' in args:
1001      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
1002        del args['optionsModule']
1003    if not 'PETSC_ARCH' in args:
1004      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
1005    f = open(scriptName, 'w')
1006    f.write('#!'+sys.executable+'\n')
1007    f.write('if __name__ == \'__main__\':\n')
1008    f.write('  import sys\n')
1009    f.write('  import os\n')
1010    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
1011    f.write('  import configure\n')
1012    # pretty print repr(args.values())
1013    f.write('  configure_options = [\n')
1014    for itm in sorted(args.values()):
1015      f.write('    \''+str(itm)+'\',\n')
1016    f.write('  ]\n')
1017    f.write('  configure.petsc_configure(configure_options)\n')
1018    f.close()
1019    try:
1020      os.chmod(scriptName, 0o775)
1021    except OSError as e:
1022      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
1023    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
1024    return
1025
1026  def configureInstall(self):
1027    '''Setup the directories for installation'''
1028    if self.framework.argDB['prefix']:
1029      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do:"',\
1030                                              '-@echo "'+self.installdir.installSudo+'make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
1031                                              '-@echo "========================================="'])
1032    else:
1033      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do:"',\
1034                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',\
1035                                              '-@echo "========================================="'])
1036      return
1037
1038  def configureGCOV(self):
1039    if self.framework.argDB['with-gcov']:
1040      self.addDefine('USE_GCOV','1')
1041    return
1042
1043  def postProcessPackages(self):
1044    postPackages=[]
1045    for i in self.framework.packages:
1046      if hasattr(i,'postProcess'): postPackages.append(i)
1047    if postPackages:
1048      # ctetgen needs petsc conf files. so attempt to create them early
1049      self.framework.dumpConfFiles()
1050      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
1051      for i in postPackages:
1052        if i.name.upper() in ['PFLOTRAN']:
1053          i.postProcess()
1054          postPackages.remove(i)
1055      for i in postPackages: i.postProcess()
1056      for i in postPackages:
1057        if i.installedpetsc:
1058          self.installed = 1
1059          break
1060    return
1061
1062  def configure(self):
1063    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
1064      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
1065    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
1066      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
1067    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
1068      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')
1069    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)):
1070      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
1071    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
1072    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
1073    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
1074    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
1075    if self.libraries.math is None:
1076      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
1077    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
1078      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
1079    self.executeTest(self.configureRTLDDefault)
1080    self.executeTest(self.configurePrefetch)
1081    self.executeTest(self.configureUnused)
1082    self.executeTest(self.configureDeprecated)
1083    self.executeTest(self.configureIsatty)
1084    self.executeTest(self.configureExpect);
1085    self.executeTest(self.configureAlign);
1086    self.executeTest(self.configureFunctionName);
1087    self.executeTest(self.configureIntptrt);
1088    self.executeTest(self.configureSolaris)
1089    self.executeTest(self.configureLinux)
1090    self.executeTest(self.configureWin32)
1091    self.executeTest(self.configureCygwinBrokenPipe)
1092    self.executeTest(self.configureDefaultArch)
1093    self.executeTest(self.configureScript)
1094    self.executeTest(self.configureInstall)
1095    self.executeTest(self.configureGCOV)
1096    self.executeTest(self.configureAtoll)
1097
1098    self.Dump()
1099    self.dumpConfigInfo()
1100    self.dumpMachineInfo()
1101    self.dumpCMakeConfig()
1102    self.dumpCMakeLists()
1103    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
1104    self.framework.storeSubstitutions(self.framework.argDB)
1105    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
1106    self.framework.argDB.save(force = True)
1107    self.cmakeBoot()
1108    self.DumpPkgconfig()
1109    self.DumpModule()
1110    self.postProcessPackages()
1111    self.framework.log.write('================================================================================\n')
1112    self.logClear()
1113    return
1114