xref: /petsc/config/PETSc/Configure.py (revision b8ced49e4e0eb4a309ccfcd29d1e92cf1cda6377)
1import config.base
2
3import os
4import sys
5import re
6import cPickle
7import string
8
9# The sorted() builtin is not available with python-2.3
10try: sorted
11except NameError:
12  def sorted(lst):
13    lst.sort()
14    return lst
15
16class Configure(config.base.Configure):
17  def __init__(self, framework):
18    config.base.Configure.__init__(self, framework)
19    self.headerPrefix = 'PETSC'
20    self.substPrefix  = 'PETSC'
21    self.installed = 0 # 1 indicates that Configure itself has already compiled and installed PETSc
22    return
23
24  def __str2__(self):
25    desc = []
26    if not self.installed:
27      desc.append('xxx=========================================================================xxx')
28      if self.make.getMakeMacro('MAKE_IS_GNUMAKE'):
29        build_type = 'gnumake build'
30      elif self.getMakeMacro('PETSC_BUILD_USING_CMAKE'):
31        build_type = 'cmake build'
32      else:
33        build_type = 'legacy build'
34      desc.append(' Configure stage complete. Now build PETSc libraries with (%s):' % build_type)
35      desc.append('   make PETSC_DIR='+self.petscdir.dir+' PETSC_ARCH='+self.arch.arch+' all')
36      desc.append('xxx=========================================================================xxx')
37    else:
38      desc.append('xxx=========================================================================xxx')
39      desc.append(' Installation complete. You do not need to run make to compile or install the software')
40      desc.append('xxx=========================================================================xxx')
41    return '\n'.join(desc)+'\n'
42
43  def setupHelp(self, help):
44    import nargs
45    help.addArgument('PETSc',  '-prefix=<dir>',                   nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
46    help.addArgument('PETSc',  '-with-prefetch=<bool>',           nargs.ArgBool(None, 1,'Enable checking for prefetch instructions'))
47    help.addArgument('Windows','-with-windows-graphics=<bool>',   nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
48    help.addArgument('PETSc', '-with-default-arch=<bool>',        nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
49    help.addArgument('PETSc','-with-single-library=<bool>',       nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
50    help.addArgument('PETSc','-with-fortran-bindings=<bool>',     nargs.ArgBool(None, 1,'Build PETSc fortran bindings in the library and corresponding module files'))
51    help.addArgument('PETSc', '-with-ios=<bool>',              nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
52    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'))
53    help.addArgument('PETSc', '-known-has-attribute-aligned=<bool>',nargs.ArgBool(None, None, 'Indicates __attribute((aligned(16)) directive works (the usual test will be skipped)'))
54    help.addArgument('PETSc','-with-viewfromoptions=<bool>',      nargs.ArgBool(None, 1,'Support XXXSetFromOptions() calls, for calls with many small solvers turn this off'))
55    help.addArgument('PETSc', '-with-display=<x11display>',       nargs.Arg(None, '', 'Specifiy DISPLAY env variable for use with matlab test)'))
56    return
57
58  def registerPythonFile(self,filename,directory):
59    ''' Add a python file to the framework and registers its headerprefix, ... externalpackagedir
60        directory is the directory where the file relative to the BuildSystem or config path in python notation with . '''
61    (utilityName, ext) = os.path.splitext(filename)
62    if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
63      if directory: directory = directory+'.'
64      utilityObj                             = self.framework.require(directory+utilityName, self)
65      utilityObj.headerPrefix                = self.headerPrefix
66      utilityObj.archProvider                = self.arch
67      utilityObj.languageProvider            = self.languages
68      utilityObj.installDirProvider          = self.installdir
69      utilityObj.externalPackagesDirProvider = self.externalpackagesdir
70      utilityObj.precisionProvider           = self.scalartypes
71      utilityObj.indexProvider               = self.indexTypes
72      setattr(self, utilityName.lower(), utilityObj)
73      return utilityObj
74    return None
75
76  def setupDependencies(self, framework):
77    config.base.Configure.setupDependencies(self, framework)
78    self.programs      = framework.require('config.programs',           self)
79    self.setCompilers  = framework.require('config.setCompilers',       self)
80    self.compilers     = framework.require('config.compilers',          self)
81    self.arch          = framework.require('PETSc.options.arch',        self.setCompilers)
82    self.petscdir      = framework.require('PETSc.options.petscdir',    self.arch)
83    self.installdir    = framework.require('PETSc.options.installDir',  self)
84    self.scalartypes   = framework.require('PETSc.options.scalarTypes', self)
85    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self)
86    self.languages     = framework.require('PETSc.options.languages',   self.setCompilers)
87    self.debugging     = framework.require('PETSc.options.debugging',   self.compilers)
88    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self.compilers)
89    self.compilers     = framework.require('config.compilers',          self)
90    self.types         = framework.require('config.types',              self)
91    self.headers       = framework.require('config.headers',            self)
92    self.functions     = framework.require('config.functions',          self)
93    self.libraries     = framework.require('config.libraries',          self)
94    self.atomics       = framework.require('config.atomics',            self)
95    self.make          = framework.require('config.packages.make',      self)
96    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
97    self.cmake         = framework.require('config.packages.cmake',self)
98    self.externalpackagesdir = framework.require('PETSc.options.externalpackagesdir',self)
99    self.mpi           = framework.require('config.packages.MPI',self)
100
101    for utility in os.listdir(os.path.join('config','PETSc','options')):
102      self.registerPythonFile(utility,'PETSc.options')
103
104    for utility in os.listdir(os.path.join('config','BuildSystem','config','utilities')):
105      self.registerPythonFile(utility,'config.utilities')
106
107    for package in os.listdir(os.path.join('config', 'BuildSystem', 'config', 'packages')):
108      obj = self.registerPythonFile(package,'config.packages')
109      if obj:
110        obj.archProvider                = self.framework.requireModule(obj.archProvider, obj)
111        obj.languageProvider            = self.framework.requireModule(obj.languageProvider, obj)
112        obj.installDirProvider          = self.framework.requireModule(obj.installDirProvider, obj)
113        obj.externalPackagesDirProvider = self.framework.requireModule(obj.externalPackagesDirProvider, obj)
114        obj.precisionProvider           = self.framework.requireModule(obj.precisionProvider, obj)
115        obj.indexProvider               = self.framework.requireModule(obj.indexProvider, obj)
116
117    # Force blaslapack and opencl to depend on scalarType so precision is set before BlasLapack is built
118    framework.require('PETSc.options.scalarTypes', self.f2cblaslapack)
119    framework.require('PETSc.options.scalarTypes', self.fblaslapack)
120    framework.require('PETSc.options.scalarTypes', self.blaslapack)
121    framework.require('PETSc.options.scalarTypes', self.opencl)
122
123    self.programs.headerPrefix   = self.headerPrefix
124    self.compilers.headerPrefix  = self.headerPrefix
125    self.types.headerPrefix      = self.headerPrefix
126    self.headers.headerPrefix    = self.headerPrefix
127    self.functions.headerPrefix  = self.headerPrefix
128    self.libraries.headerPrefix  = self.headerPrefix
129
130    # Look for any user provided --download-xxx=directory packages
131    for arg in sys.argv:
132      if arg.startswith('--download-') and arg.find('=') > -1:
133        pname = arg[11:arg.find('=')]
134        if not hasattr(self,pname):
135          dname = os.path.dirname(arg[arg.find('=')+1:])
136          if os.path.isdir(dname) and not os.path.isfile(os.path.join(dname,pname+'.py')):
137            self.framework.logPrint('User is registering a new package: '+arg)
138            sys.path.append(dname)
139            self.registerPythonFile(pname+'.py','')
140
141    # test for a variety of basic headers and functions
142    headersC = map(lambda name: name+'.h', ['setjmp','dos', 'endian', 'fcntl', 'float', 'io', 'limits', 'malloc', 'pwd', 'search', 'strings',
143                                            'unistd', 'sys/sysinfo', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
144                                            'sys/systeminfo', 'sys/times', 'sys/utsname','string', 'stdlib',
145                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
146                                            'WindowsX', 'cxxabi','float','ieeefp','stdint','sched','pthread','mathimf','inttypes','immintrin','zmmintrin'])
147    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname',
148                 'gettimeofday', 'getwd', 'memalign', 'memmove', 'mkstemp', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
149                 'readlink', 'realpath',  'sigaction', 'signal', 'sigset', 'usleep', 'sleep', '_sleep', 'socket',
150                 'times', 'gethostbyname', 'uname','snprintf','_snprintf','lseek','_lseek','time','fork','stricmp',
151                 'strcasecmp', 'bzero', 'dlopen', 'dlsym', 'dlclose', 'dlerror','get_nprocs','sysctlbyname',
152                 '_set_output_format','_mkdir']
153    libraries1 = [(['socket', 'nsl'], 'socket'), (['fpe'], 'handle_sigfpes')]
154    self.headers.headers.extend(headersC)
155    self.functions.functions.extend(functions)
156    self.libraries.libraries.extend(libraries1)
157
158    return
159
160  def DumpPkgconfig(self):
161    ''' Create a pkg-config file '''
162    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
163      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
164    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig','PETSc.pc'),'w')
165    if self.framework.argDB['prefix']:
166      fd.write('prefix='+self.installdir.dir+'\n')
167      fd.write('exec_prefix=${prefix}\n')
168      fd.write('includedir=${prefix}/include\n')
169    else:
170      fd.write('prefix='+self.petscdir.dir+'\n')
171      fd.write('exec_prefix=${prefix}\n')
172      fd.write('includedir=${prefix}/include\n')
173    fd.write('libdir='+os.path.join(self.installdir.dir,'lib')+'\n')
174
175    self.setCompilers.pushLanguage('C')
176    fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
177    fd.write('cflags_extra="'+self.setCompilers.getCompilerFlags().strip()+'"\n')
178    fd.write('cflags_dep="'+self.compilers.dependenciesGenerationFlag.get('C','')+'"\n')
179    fd.write('ldflag_rpath="'+self.setCompilers.CSharedLinkerFlag+'"\n')
180    self.setCompilers.popLanguage()
181    if hasattr(self.compilers, 'C++'):
182      self.setCompilers.pushLanguage('C++')
183      fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
184      fd.write('cxxflags_extra="'+self.setCompilers.getCompilerFlags().strip()+'"\n')
185      self.setCompilers.popLanguage()
186    if hasattr(self.compilers, 'FC'):
187      self.setCompilers.pushLanguage('FC')
188      fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
189      fd.write('fflags_extra="'+self.setCompilers.getCompilerFlags().strip()+'"\n')
190      self.setCompilers.popLanguage()
191
192    fd.write('\n')
193    fd.write('Name: PETSc\n')
194    fd.write('Description: Library to solve ODEs and algebraic equations\n')
195    fd.write('Version: %s\n' % self.petscdir.version)
196    fd.write('Cflags: ' + self.setCompilers.CPPFLAGS + ' ' + self.PETSC_CC_INCLUDES + '\n')
197    fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
198    # Remove RPATH flags from library list.  User can add them using
199    # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
200    fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
201
202    fd.close()
203    return
204
205  def DumpModule(self):
206    ''' Create a module file '''
207    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
208      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
209    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
210      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
211    if self.framework.argDB['prefix']:
212      installdir  = self.installdir.dir
213      installarch = ''
214      installpath = os.path.join(installdir,'bin')
215    else:
216      installdir  = self.petscdir.dir
217      installarch = self.arch.arch
218      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
219    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
220    fd.write('''\
221#%%Module
222
223proc ModulesHelp { } {
224    puts stderr "This module sets the path and environment variables for petsc-%s"
225    puts stderr "     see http://www.mcs.anl.gov/petsc/ for more information      "
226    puts stderr ""
227}
228module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
229
230set petsc_dir   "%s"
231set petsc_arch  "%s"
232
233setenv PETSC_ARCH "$petsc_arch"
234setenv PETSC_DIR "$petsc_dir"
235prepend-path PATH "%s"
236''' % (self.petscdir.version, installdir, installarch, installpath))
237    fd.close()
238    return
239
240  def Dump(self):
241    ''' Actually put the values into the configuration files '''
242    # eventually everything between -- should be gone
243    if self.mpi.usingMPIUni:
244      #
245      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
246      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)
247
248    self.setCompilers.pushLanguage('C')
249    compiler = self.setCompilers.getCompiler()
250    if compiler.endswith('mpicc') or compiler.endswith('mpiicc'):
251      try:
252        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
253        compiler = output.split(' ')[0]
254        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
255      except:
256        self.addDefine('MPICC_SHOW','"Unavailable"')
257    else:
258      self.addDefine('MPICC_SHOW','"Unavailable"')
259    self.setCompilers.popLanguage()
260#-----------------------------------------------------------------------------------------------------
261
262    # Sometimes we need C compiler, even if built with C++
263    self.setCompilers.pushLanguage('C')
264    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
265    self.setCompilers.popLanguage()
266
267    # And sometimes we need a C++ compiler even when PETSc is built with C
268    if hasattr(self.compilers, 'CXX'):
269      self.setCompilers.pushLanguage('Cxx')
270      self.addDefine('HAVE_CXX','1')
271      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
272      self.setCompilers.popLanguage()
273
274    # C preprocessor values
275    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
276
277    # compiler values
278    self.setCompilers.pushLanguage(self.languages.clanguage)
279    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
280    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
281    self.setCompilers.popLanguage()
282    # .o or .obj
283    self.addMakeMacro('CC_SUFFIX','o')
284
285    # executable linker values
286    self.setCompilers.pushLanguage(self.languages.clanguage)
287    pcc_linker = self.setCompilers.getLinker()
288    self.addMakeMacro('PCC_LINKER',pcc_linker)
289    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
290    self.setCompilers.popLanguage()
291    # '' for Unix, .exe for Windows
292    self.addMakeMacro('CC_LINKER_SUFFIX','')
293
294    if hasattr(self.compilers, 'FC'):
295      if self.framework.argDB['with-fortran-bindings']:
296        self.addDefine('HAVE_FORTRAN','1')
297      self.setCompilers.pushLanguage('FC')
298      # need FPPFLAGS in config/setCompilers
299      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
300
301      # compiler values
302      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
303      self.setCompilers.popLanguage()
304      # .o or .obj
305      self.addMakeMacro('FC_SUFFIX','o')
306
307      # executable linker values
308      self.setCompilers.pushLanguage('FC')
309      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
310      fc_linker = self.setCompilers.getLinker()
311      if config.setCompilers.Configure.isNAG(fc_linker, self.log):
312        self.addMakeMacro('FC_LINKER',pcc_linker)
313      else:
314        self.addMakeMacro('FC_LINKER',fc_linker)
315      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
316      # apple requires this shared library linker flag on SOME versions of the os
317      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
318        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
319      self.setCompilers.popLanguage()
320
321      # F90 Modules
322      if self.setCompilers.fortranModuleIncludeFlag:
323        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
324      else: # for non-f90 compilers like g77
325        self.addMakeMacro('FC_MODULE_FLAG', '-I')
326      if self.setCompilers.fortranModuleIncludeFlag:
327        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
328    else:
329      self.addMakeMacro('FC','')
330
331    if hasattr(self.compilers, 'CUDAC'):
332      self.setCompilers.pushLanguage('CUDA')
333      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
334      self.setCompilers.popLanguage()
335
336    # shared library linker values
337    self.setCompilers.pushLanguage(self.languages.clanguage)
338    # need to fix BuildSystem to collect these separately
339    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
340    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
341    self.setCompilers.popLanguage()
342    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
343    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
344    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
345      self.addMakeMacro('SL_LINKER_SUFFIX', '')
346      self.addDefine('SLSUFFIX','""')
347    else:
348      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
349      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
350
351    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
352
353#-----------------------------------------------------------------------------------------------------
354
355    # CONLY or CPP. We should change the PETSc makefiles to do this better
356    if self.languages.clanguage == 'C': lang = 'CONLY'
357    else: lang = 'CXXONLY'
358    self.addMakeMacro('PETSC_LANGUAGE',lang)
359
360    # real or complex
361    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
362    # double or float
363    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
364
365    if self.framework.argDB['with-batch']:
366      self.addMakeMacro('PETSC_WITH_BATCH','1')
367
368    # Test for compiler-specific macros that need to be defined.
369    if self.setCompilers.isCrayVector('CC', self.log):
370      self.addDefine('HAVE_CRAY_VECTOR','1')
371
372#-----------------------------------------------------------------------------------------------------
373    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
374      self.addDefine('USE_SOCKET_VIEWER','1')
375      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
376        self.addDefine('HAVE_SO_REUSEADDR','1')
377
378#-----------------------------------------------------------------------------------------------------
379    # print include and lib for makefiles
380    self.framework.packages.reverse()
381    includes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
382    self.packagelibs = []
383    for i in self.framework.packages:
384      if i.useddirectly:
385        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
386      if not isinstance(i.lib, list):
387        i.lib = [i.lib]
388      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
389      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
390      if hasattr(i,'include'):
391        if not isinstance(i.include,list):
392          i.include = [i.include]
393        includes.extend(i.include)
394        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
395    if self.framework.argDB['with-single-library']:
396      self.petsclib = '-lpetsc'
397    else:
398      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
399    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
400    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L'+os.path.join(self.petscdir.dir,self.arch.arch,'lib'), self.petsclib]+self.packagelibs+self.complibs)
401    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
402    if self.framework.argDB['prefix'] and self.setCompilers.CSharedLinkerFlag not in ['-L']:
403      string.replace(self.PETSC_EXTERNAL_LIB_BASIC,self.setCompilers.CSharedLinkerFlag+os.path.join(self.petscdir.dir,self.arch.arch,'lib'),self.setCompilers.CSharedLinkerFlag+os.path.join(self.installdir.dir,'lib'))
404
405    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
406    self.allincludes = self.headers.toStringNoDupes(includes)
407    self.addMakeMacro('PETSC_CC_INCLUDES',self.allincludes)
408    self.PETSC_CC_INCLUDES = self.allincludes
409    if hasattr(self.compilers, 'FC'):
410      if self.compilers.fortranIsF90:
411        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes,includes))
412      else:
413        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes))
414
415    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
416
417    if self.framework.argDB['with-single-library']:
418      # overrides the values set in conf/variables
419      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
420      self.addMakeMacro('SHLIBS','libpetsc')
421      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
422      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
423      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
424      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
425      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
426      self.addDefine('USE_SINGLE_LIBRARY', '1')
427      if self.sharedlibraries.useShared:
428        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
429        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
430        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
431        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
432        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
433        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
434        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
435        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
436        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
437        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
438        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
439      else:
440        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
441        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
442        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
443        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
444        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
445        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
446        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
447        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
448        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
449        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
450        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
451
452    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
453      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
454
455# add a makefile endtry for display
456    if self.framework.argDB['with-display']:
457      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
458
459    # add a makefile entry for configure options
460    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
461    return
462
463  def dumpConfigInfo(self):
464    import time
465    fd = file(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
466    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
467    fd.close()
468    return
469
470  def dumpMachineInfo(self):
471    import platform
472    import time
473    import script
474    def escape(s):
475      return s.replace('"',r'\"').replace(r'\ ',r'\\ ')
476    fd = file(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
477    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
478    fd.write('\"-----------------------------------------\\n\"\n')
479    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (time.ctime(time.time()), platform.node()))
480    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
481    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
482    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
483    fd.write('\"-----------------------------------------\\n\";\n')
484    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
485    self.setCompilers.pushLanguage(self.languages.clanguage)
486    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
487    self.setCompilers.popLanguage()
488    if hasattr(self.compilers, 'FC'):
489      self.setCompilers.pushLanguage('FC')
490      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
491      self.setCompilers.popLanguage()
492    fd.write('\"-----------------------------------------\\n\";\n')
493    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
494    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES).replace(self.petscdir.dir,self.installdir.petscDir).replace(self.arch.arch,self.installdir.petscArch)))
495    fd.write('\"-----------------------------------------\\n\";\n')
496    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
497    self.setCompilers.pushLanguage(self.languages.clanguage)
498    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
499    self.setCompilers.popLanguage()
500    if hasattr(self.compilers, 'FC'):
501      self.setCompilers.pushLanguage('FC')
502      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
503      self.setCompilers.popLanguage()
504    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)))
505    fd.write('\"-----------------------------------------\\n\";\n')
506    fd.close()
507    return
508
509  def dumpCMakeConfig(self):
510    '''
511    Writes configuration-specific values to ${PETSC_ARCH}/lib/petsc/conf/PETScBuildInternal.cmake.
512    This file is private to PETSc and should not be included by third parties
513    (a suitable file can be produced later by CMake, but this is not it).
514    '''
515    def cmakeset(fd,key,val=True):
516      if val == True: val = 'YES'
517      if val == False: val = 'NO'
518      fd.write('set (' + key + ' ' + val + ')\n')
519    def ensurelist(a):
520      if isinstance(a,list):
521        return a
522      else:
523        return [a]
524    def libpath(lib):
525      'Returns a search path if that is what this item provides, else "" which will be cleaned out later'
526      if not isinstance(lib,str): return ''
527      if lib.startswith('-L'): return lib[2:]
528      if lib.startswith('-R'): return lib[2:]
529      if lib.startswith('-Wl,-rpath,'):
530        # This case occurs when an external package needs a specific system library that is normally provided by the compiler.
531        # In other words, the -L path is builtin to the wrapper or compiler, here we provide it so that CMake can locate the
532        # corresponding library.
533        return lib[len('-Wl,-rpath,'):]
534      if lib.startswith('-'): return ''
535      return os.path.dirname(lib)
536    def cleanlib(lib):
537      'Returns a library name if that is what this item provides, else "" which will be cleaned out later'
538      if not isinstance(lib,str): return ''
539      if lib.startswith('-l'):  return lib[2:]
540      if lib.startswith('-Wl') or lib.startswith('-L'): return ''
541      lib = os.path.splitext(os.path.basename(lib))[0]
542      if lib.startswith('lib'): return lib[3:]
543      return lib
544    def nub(lst):
545      'Return a list containing the first occurrence of each unique element'
546      unique = []
547      for elem in lst:
548        if elem not in unique and elem != '':
549          unique.append(elem)
550      return unique
551    try: reversed # reversed was added in Python-2.4
552    except NameError:
553      def reversed(lst): return lst[::-1]
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 = 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), 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), e:
649        self.framework.logPrint('Booting CMake in PETSC_ARCH failed:\n' + str(e))
650      except (ImportError, KeyError), 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    = file(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__']:
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 = file(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 = file(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, 0775)
1021    except OSError, 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} test"',\
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 configureFortranFlush(self):
1044    if hasattr(self.compilers, 'FC'):
1045      for baseName in ['flush','flush_']:
1046        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
1047          self.addDefine('HAVE_'+baseName.upper(), 1)
1048          return
1049
1050  def configureViewFromOptions(self):
1051    if not self.framework.argDB['with-viewfromoptions']:
1052      self.addDefine('SKIP_VIEWFROMOPTIONS',1)
1053
1054  def postProcessPackages(self):
1055    postPackages=[]
1056    for i in self.framework.packages:
1057      if hasattr(i,'postProcess'): postPackages.append(i)
1058    if postPackages:
1059      # ctetgen needs petsc conf files. so attempt to create them early
1060      self.framework.dumpConfFiles()
1061      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
1062      for i in postPackages:
1063        if i.name.upper() in ['PFLOTRAN']:
1064          i.postProcess()
1065          postPackages.remove(i)
1066      for i in postPackages: i.postProcess()
1067      for i in postPackages:
1068        if i.installedpetsc:
1069          self.installed = 1
1070          break
1071    return
1072
1073  def configure(self):
1074    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
1075      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
1076    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
1077      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
1078    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
1079      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')
1080    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)):
1081      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
1082    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
1083    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
1084    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
1085    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
1086    if self.libraries.math is None:
1087      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
1088    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
1089      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
1090    self.executeTest(self.configureRTLDDefault)
1091    self.executeTest(self.configurePrefetch)
1092    self.executeTest(self.configureUnused)
1093    self.executeTest(self.configureDeprecated)
1094    self.executeTest(self.configureIsatty)
1095    self.executeTest(self.configureExpect);
1096    self.executeTest(self.configureAlign);
1097    self.executeTest(self.configureFunctionName);
1098    self.executeTest(self.configureIntptrt);
1099    self.executeTest(self.configureSolaris)
1100    self.executeTest(self.configureLinux)
1101    self.executeTest(self.configureWin32)
1102    self.executeTest(self.configureCygwinBrokenPipe)
1103    self.executeTest(self.configureDefaultArch)
1104    self.executeTest(self.configureScript)
1105    self.executeTest(self.configureInstall)
1106    self.executeTest(self.configureGCOV)
1107    self.executeTest(self.configureFortranFlush)
1108    self.executeTest(self.configureAtoll)
1109    self.executeTest(self.configureViewFromOptions)
1110
1111    self.Dump()
1112    self.dumpConfigInfo()
1113    self.dumpMachineInfo()
1114    self.dumpCMakeConfig()
1115    self.dumpCMakeLists()
1116    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
1117    self.framework.storeSubstitutions(self.framework.argDB)
1118    self.framework.argDB['configureCache'] = cPickle.dumps(self.framework)
1119    self.framework.argDB.save(force = True)
1120    self.cmakeBoot()
1121    self.DumpPkgconfig()
1122    self.DumpModule()
1123    self.postProcessPackages()
1124    self.framework.log.write('================================================================================\n')
1125    self.logClear()
1126    return
1127