xref: /petsc/config/PETSc/Configure.py (revision 8f3f2bf165a4f0437decc2ac63b7a7aad35aeb6e)
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.indexTypes    = framework.require('PETSc.options.indexTypes',  self.compilers)
88    self.compilers     = framework.require('config.compilers',          self)
89    self.types         = framework.require('config.types',              self)
90    self.headers       = framework.require('config.headers',            self)
91    self.functions     = framework.require('config.functions',          self)
92    self.libraries     = framework.require('config.libraries',          self)
93    self.atomics       = framework.require('config.atomics',            self)
94    self.make          = framework.require('config.packages.make',      self)
95    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
96    self.cmake         = framework.require('config.packages.cmake',self)
97    self.externalpackagesdir = framework.require('PETSc.options.externalpackagesdir',self)
98    self.mpi           = framework.require('config.packages.MPI',self)
99
100    for utility in sorted(os.listdir(os.path.join('config','PETSc','options'))):
101      self.registerPythonFile(utility,'PETSc.options')
102
103    for utility in sorted(os.listdir(os.path.join('config','BuildSystem','config','utilities'))):
104      self.registerPythonFile(utility,'config.utilities')
105
106    for package in sorted(os.listdir(os.path.join('config', 'BuildSystem', 'config', 'packages'))):
107      obj = self.registerPythonFile(package,'config.packages')
108      if obj:
109        obj.archProvider                = self.framework.requireModule(obj.archProvider, obj)
110        obj.languageProvider            = self.framework.requireModule(obj.languageProvider, obj)
111        obj.installDirProvider          = self.framework.requireModule(obj.installDirProvider, obj)
112        obj.externalPackagesDirProvider = self.framework.requireModule(obj.externalPackagesDirProvider, obj)
113        obj.precisionProvider           = self.framework.requireModule(obj.precisionProvider, obj)
114        obj.indexProvider               = self.framework.requireModule(obj.indexProvider, obj)
115
116    # Force blaslapack and opencl to depend on scalarType so precision is set before BlasLapack is built
117    framework.require('PETSc.options.scalarTypes', self.f2cblaslapack)
118    framework.require('PETSc.options.scalarTypes', self.fblaslapack)
119    framework.require('PETSc.options.scalarTypes', self.blaslapack)
120    framework.require('PETSc.options.scalarTypes', self.opencl)
121    framework.require('PETSc.Regression', self)
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 datetime
473    import time
474    import script
475    def escape(s):
476      return s.replace('"',r'\"').replace(r'\ ',r'\\ ')
477    fd = file(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
478    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
479    fd.write('\"-----------------------------------------\\n\"\n')
480    buildhost = platform.node()
481    if os.environ.get('SOURCE_DATE_EPOCH'):
482      buildhost = "reproducible"
483    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
484    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
485    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
486    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
487    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
488    fd.write('\"-----------------------------------------\\n\";\n')
489    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
490    self.setCompilers.pushLanguage(self.languages.clanguage)
491    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
492    self.setCompilers.popLanguage()
493    if hasattr(self.compilers, 'FC'):
494      self.setCompilers.pushLanguage('FC')
495      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
496      self.setCompilers.popLanguage()
497    fd.write('\"-----------------------------------------\\n\";\n')
498    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
499    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)))
500    fd.write('\"-----------------------------------------\\n\";\n')
501    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
502    self.setCompilers.pushLanguage(self.languages.clanguage)
503    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
504    self.setCompilers.popLanguage()
505    if hasattr(self.compilers, 'FC'):
506      self.setCompilers.pushLanguage('FC')
507      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
508      self.setCompilers.popLanguage()
509    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)))
510    fd.write('\"-----------------------------------------\\n\";\n')
511    fd.close()
512    return
513
514  def dumpCMakeConfig(self):
515    '''
516    Writes configuration-specific values to ${PETSC_ARCH}/lib/petsc/conf/PETScBuildInternal.cmake.
517    This file is private to PETSc and should not be included by third parties
518    (a suitable file can be produced later by CMake, but this is not it).
519    '''
520    def cmakeset(fd,key,val=True):
521      if val == True: val = 'YES'
522      if val == False: val = 'NO'
523      fd.write('set (' + key + ' ' + val + ')\n')
524    def ensurelist(a):
525      if isinstance(a,list):
526        return a
527      else:
528        return [a]
529    def libpath(lib):
530      'Returns a search path if that is what this item provides, else "" which will be cleaned out later'
531      if not isinstance(lib,str): return ''
532      if lib.startswith('-L'): return lib[2:]
533      if lib.startswith('-R'): return lib[2:]
534      if lib.startswith('-Wl,-rpath,'):
535        # This case occurs when an external package needs a specific system library that is normally provided by the compiler.
536        # In other words, the -L path is builtin to the wrapper or compiler, here we provide it so that CMake can locate the
537        # corresponding library.
538        return lib[len('-Wl,-rpath,'):]
539      if lib.startswith('-'): return ''
540      return os.path.dirname(lib)
541    def cleanlib(lib):
542      'Returns a library name if that is what this item provides, else "" which will be cleaned out later'
543      if not isinstance(lib,str): return ''
544      if lib.startswith('-l'):  return lib[2:]
545      if lib.startswith('-Wl') or lib.startswith('-L'): return ''
546      lib = os.path.splitext(os.path.basename(lib))[0]
547      if lib.startswith('lib'): return lib[3:]
548      return lib
549    def nub(lst):
550      'Return a list containing the first occurrence of each unique element'
551      unique = []
552      for elem in lst:
553        if elem not in unique and elem != '':
554          unique.append(elem)
555      return unique
556    try: reversed # reversed was added in Python-2.4
557    except NameError:
558      def reversed(lst): return lst[::-1]
559    def nublast(lst):
560      'Return a list containing the last occurrence of each unique entry in a list'
561      return reversed(nub(reversed(lst)))
562    def cmakeexpand(varname):
563      return r'"${' + varname + r'}"'
564    def uniqextend(lst,new):
565      for x in ensurelist(new):
566        if x not in lst:
567          lst.append(x)
568    def notstandardinclude(path):
569      return path not in '/usr/include'.split() # /usr/local/include is not automatically included on FreeBSD
570    def writeMacroDefinitions(fd):
571      if self.mpi.usingMPIUni:
572        cmakeset(fd,'PETSC_HAVE_MPIUNI')
573      for pkg in self.framework.packages:
574        if pkg.useddirectly:
575          cmakeset(fd,'PETSC_HAVE_' + pkg.PACKAGE.replace('-','_'))
576        for pair in pkg.defines.items():
577          if pair[0].startswith('HAVE_') and pair[1]:
578            cmakeset(fd, self.framework.getFullDefineName(pkg, pair[0]), pair[1])
579      for name,val in self.functions.defines.items():
580        cmakeset(fd,'PETSC_'+name,val)
581      for dct in [self.defines, self.libraryoptions.defines]:
582        for k,v in dct.items():
583          if k.startswith('USE_'):
584            cmakeset(fd,'PETSC_' + k, v)
585      cmakeset(fd,'PETSC_USE_COMPLEX', self.scalartypes.scalartype == 'complex')
586      cmakeset(fd,'PETSC_USE_REAL_' + self.scalartypes.precision.upper())
587      cmakeset(fd,'PETSC_CLANGUAGE_'+self.languages.clanguage)
588      if hasattr(self.compilers, 'FC'):
589        cmakeset(fd,'PETSC_HAVE_FORTRAN')
590        if self.compilers.fortranIsF90:
591          cmakeset(fd,'PETSC_USING_F90')
592        if self.compilers.fortranIsF2003:
593          cmakeset(fd,'PETSC_USING_F2003')
594      if hasattr(self.compilers, 'CXX'):
595        cmakeset(fd,'PETSC_HAVE_CXX')
596      if self.sharedlibraries.useShared:
597        cmakeset(fd,'BUILD_SHARED_LIBS')
598    def writeBuildFlags(fd):
599      def extendby(lib):
600        libs = ensurelist(lib)
601        lib_paths.extend(map(libpath,libs))
602        lib_libs.extend(map(cleanlib,libs))
603      lib_paths = []
604      lib_libs  = []
605      includes  = []
606      libvars   = []
607      for pkg in self.framework.packages:
608        if pkg.linkedbypetsc:
609          extendby(pkg.lib)
610          uniqextend(includes,pkg.include)
611      extendby(self.libraries.math)
612      extendby(self.libraries.rt)
613      extendby(self.compilers.flibs)
614      extendby(self.compilers.cxxlibs)
615      extendby(self.compilers.LIBS.split())
616      for libname in nublast(lib_libs):
617        libvar = 'PETSC_' + libname.upper() + '_LIB'
618        addpath = ''
619        for lpath in nublast(lib_paths):
620          addpath += '"' + str(lpath) + '" '
621        fd.write('find_library (' + libvar + ' ' + libname + ' HINTS ' + addpath + ')\n')
622        libvars.append(libvar)
623      fd.write('mark_as_advanced (' + ' '.join(libvars) + ')\n')
624      fd.write('set (PETSC_PACKAGE_LIBS ' + ' '.join(map(cmakeexpand,libvars)) + ')\n')
625      includes = filter(notstandardinclude,includes)
626      fd.write('set (PETSC_PACKAGE_INCLUDES ' + ' '.join(map(lambda i: '"'+i+'"',includes)) + ')\n')
627    fd = open(os.path.join(self.arch.arch,'lib','petsc','conf','PETScBuildInternal.cmake'), 'w')
628    writeMacroDefinitions(fd)
629    writeBuildFlags(fd)
630    fd.close()
631    return
632
633  def dumpCMakeLists(self):
634    import sys
635    if sys.version_info >= (2,4):
636      import cmakegen
637      try:
638        cmakegen.main(self.petscdir.dir, log=self.framework.log)
639      except (OSError) as e:
640        self.framework.logPrint('Generating CMakeLists.txt failed:\n' + str(e))
641    else:
642      self.framework.logPrint('Skipping cmakegen due to old python version: ' +str(sys.version_info) )
643
644  def cmakeBoot(self):
645    import sys
646    self.cmakeboot_success = False
647    if sys.version_info >= (2,4) and hasattr(self.cmake,'cmake'):
648      oldRead = self.argDB.readonly
649      self.argDB.readonly = True
650      try:
651        import cmakeboot
652        self.cmakeboot_success = cmakeboot.main(petscdir=self.petscdir.dir,petscarch=self.arch.arch,argDB=self.argDB,framework=self.framework,log=self.framework.log)
653      except (OSError) as e:
654        self.framework.logPrint('Booting CMake in PETSC_ARCH failed:\n' + str(e))
655      except (ImportError, KeyError) as e:
656        self.framework.logPrint('Importing cmakeboot failed:\n' + str(e))
657      self.argDB.readonly = oldRead
658      if self.cmakeboot_success:
659        if hasattr(self.compilers, 'FC') and self.compilers.fortranIsF90 and not self.setCompilers.fortranModuleOutputFlag:
660          self.framework.logPrint('CMake configured successfully, but could not be used by default because of missing fortranModuleOutputFlag\n')
661        else:
662          self.framework.logPrint('CMake configured successfully, using as default build\n')
663          self.addMakeMacro('PETSC_BUILD_USING_CMAKE',1)
664      else:
665        self.framework.logPrint('CMake configuration was unsuccessful\n')
666    else:
667      self.framework.logPrint('Skipping cmakeboot due to old python version: ' +str(sys.version_info) )
668    return
669
670  def configurePrefetch(self):
671    '''Sees if there are any prefetch functions supported'''
672    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
673      self.addDefine('Prefetch(a,b,c)', ' ')
674      return
675    self.pushLanguage(self.languages.clanguage)
676    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
677      # The Intel Intrinsics manual [1] specifies the prototype
678      #
679      #   void _mm_prefetch(char const *a, int sel);
680      #
681      # but other vendors seem to insist on using subtly different
682      # prototypes, including void* for the pointer, and an enum for
683      # sel.  These are both reasonable changes, but negatively impact
684      # portability.
685      #
686      # [1] http://software.intel.com/file/6373
687      self.addDefine('HAVE_XMMINTRIN_H', 1)
688      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
689      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
690      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
691      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
692      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
693    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
694      self.addDefine('HAVE_XMMINTRIN_H', 1)
695      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
696      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
697      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
698      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
699      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
700    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
701      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
702      #
703      #   The value of rw is a compile-time constant one or zero; one
704      #   means that the prefetch is preparing for a write to the memory
705      #   address and zero, the default, means that the prefetch is
706      #   preparing for a read. The value locality must be a compile-time
707      #   constant integer between zero and three. A value of zero means
708      #   that the data has no temporal locality, so it need not be left
709      #   in the cache after the access. A value of three means that the
710      #   data has a high degree of temporal locality and should be left
711      #   in all levels of cache possible. Values of one and two mean,
712      #   respectively, a low or moderate degree of temporal locality.
713      #
714      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
715      # hints.  Using macros for these values in necessary since some
716      # compilers require an enum.
717      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
718      self.addDefine('PREFETCH_HINT_NTA', '0')
719      self.addDefine('PREFETCH_HINT_T0',  '3')
720      self.addDefine('PREFETCH_HINT_T1',  '2')
721      self.addDefine('PREFETCH_HINT_T2',  '1')
722    else:
723      self.addDefine('Prefetch(a,b,c)', ' ')
724    self.popLanguage()
725
726  def configureAtoll(self):
727    '''Checks if atoll exists'''
728    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")'):
729       self.addDefine('HAVE_ATOLL', '1')
730
731  def configureUnused(self):
732    '''Sees if __attribute((unused)) is supported'''
733    if self.framework.argDB['with-ios']:
734      self.addDefine('UNUSED', ' ')
735      return
736    self.pushLanguage(self.languages.clanguage)
737    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'):
738      self.addDefine('UNUSED', '__attribute((unused))')
739    else:
740      self.addDefine('UNUSED', ' ')
741    self.popLanguage()
742
743  def configureIsatty(self):
744    '''Check if the Unix C function isatty() works correctly
745       Actually just assumes it does not work correctly on batch systems'''
746    if not self.framework.argDB['with-batch']:
747      self.addDefine('USE_ISATTY',1)
748
749  def configureDeprecated(self):
750    '''Check if __attribute((deprecated)) is supported'''
751    self.pushLanguage(self.languages.clanguage)
752    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
753    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
754    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
755    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
756    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
757    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
758    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
759    ## why we can't have nice things.
760    #
761    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
762    #   self.addDefine('DEPRECATED(why)', '__attribute((deprecated(why)))')
763    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
764      self.addDefine('DEPRECATED(why)', '__attribute((deprecated))')
765    else:
766      self.addDefine('DEPRECATED(why)', ' ')
767    self.popLanguage()
768
769  def configureAlign(self):
770    '''Check if __attribute(align) is supported'''
771    filename = 'conftestalign'
772    includes = '''
773#include <sys/types.h>
774#if STDC_HEADERS
775#include <stdlib.h>
776#include <stdio.h>
777#include <stddef.h>
778#endif\n'''
779    body     = '''
780struct mystruct {int myint;} __attribute((aligned(16)));
781FILE *f = fopen("'''+filename+'''", "w");
782if (!f) exit(1);
783fprintf(f, "%lu\\n", (unsigned long)sizeof(struct mystruct));
784'''
785    if 'known-has-attribute-aligned' in self.argDB:
786      if self.argDB['known-has-attribute-aligned']:
787        size = 16
788      else:
789        size = -3
790    elif not self.argDB['with-batch']:
791      self.pushLanguage(self.languages.clanguage)
792      try:
793        if self.checkRun(includes, body) and os.path.exists(filename):
794          f    = file(filename)
795          size = int(f.read())
796          f.close()
797          os.remove(filename)
798        else:
799          size = -4
800      except:
801        size = -1
802        self.framework.logPrint('Error checking attribute(aligned)')
803      self.popLanguage()
804    else:
805      self.framework.addBatchInclude(['#include <stdlib.h>', '#include <stdio.h>', '#include <sys/types.h>','struct mystruct {int myint;} __attribute((aligned(16)));'])
806      self.framework.addBatchBody('fprintf(output, "  \'--known-has-attribute-aligned=%d\',\\n", sizeof(struct mystruct)==16);')
807      size = -2
808    if size == 16:
809      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned (size)))')
810      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
811    else:
812      self.framework.logPrint('incorrect alignment. Found alignment:'+ str(size))
813      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
814    return
815
816  def configureExpect(self):
817    '''Sees if the __builtin_expect directive is supported'''
818    self.pushLanguage(self.languages.clanguage)
819    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
820      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
821    self.popLanguage()
822
823  def configureFunctionName(self):
824    '''Sees if the compiler supports __func__ or a variant.'''
825    def getFunctionName(lang):
826      name = '"unknown"'
827      self.pushLanguage(lang)
828      for fname in ['__func__','__FUNCTION__']:
829        code = "if ("+fname+"[0] != 'm') return 1;"
830        if self.checkCompile('',code) and self.checkLink('',code):
831          name = fname
832          break
833      self.popLanguage()
834      return name
835    langs = []
836
837    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
838    if hasattr(self.compilers, 'CXX'):
839      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
840
841  def configureIntptrt(self):
842    '''Determine what to use for uintptr_t'''
843    def staticAssertSizeMatchesVoidStar(inc,typename):
844      # The declaration is an error if either array size is negative.
845      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
846      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
847                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
848    self.pushLanguage(self.languages.clanguage)
849    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
850      self.addDefine('UINTPTR_T', 'uintptr_t')
851    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
852      self.addDefine('UINTPTR_T', 'unsigned long long')
853    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
854      self.addDefine('UINTPTR_T', 'size_t')
855    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
856      self.addDefine('UINTPTR_T', 'unsigned long')
857    elif staticAssertSizeMatchesVoidStar('','unsigned'):
858      self.addDefine('UINTPTR_T', 'unsigned')
859    else:
860      raise RuntimeError('Could not find any unsigned integer type matching void*')
861    self.popLanguage()
862
863  def configureRTLDDefault(self):
864    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
865      self.addDefine('RTLD_DEFAULT','1')
866    return
867
868  def configureSolaris(self):
869    '''Solaris specific stuff'''
870    if os.path.isdir(os.path.join('/usr','ucblib')):
871      try:
872        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
873      except AttributeError:
874        flag = None
875      if flag is None:
876        self.compilers.LIBS += ' -L/usr/ucblib'
877      else:
878        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
879    return
880
881  def configureLinux(self):
882    '''Linux specific stuff'''
883    # TODO: Test for this by mallocing an odd number of floats and checking the address
884    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
885    return
886
887  def configureWin32(self):
888    '''Win32 non-cygwin specific stuff'''
889    kernel32=0
890    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
891      self.addDefine('HAVE_WINDOWS_H',1)
892      self.addDefine('HAVE_GETCOMPUTERNAME',1)
893      kernel32=1
894    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
895      self.addDefine('HAVE_WINDOWS_H',1)
896      self.addDefine('HAVE_GETCOMPUTERNAME',1)
897      kernel32=1
898    if kernel32:
899      if self.framework.argDB['with-windows-graphics']:
900        self.addDefine('USE_WINDOWS_GRAPHICS',1)
901      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
902        self.addDefine('HAVE_LOADLIBRARY',1)
903      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
904        self.addDefine('HAVE_GETPROCADDRESS',1)
905      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
906        self.addDefine('HAVE_FREELIBRARY',1)
907      if self.checkLink('#include <Windows.h>','GetLastError()'):
908        self.addDefine('HAVE_GETLASTERROR',1)
909      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
910        self.addDefine('HAVE_SETLASTERROR',1)
911      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
912        self.addDefine('USE_MICROSOFT_TIME',1)
913    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
914      self.addDefine('HAVE_GET_USER_NAME',1)
915    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
916      self.addDefine('HAVE_GET_USER_NAME',1)
917
918    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
919      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
920    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
921      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
922
923    self.types.check('int32_t', 'int')
924    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
925      self.addTypedef('int', 'uid_t')
926      self.addTypedef('int', 'gid_t')
927    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
928      self.framework.addDefine('R_OK', '04')
929      self.framework.addDefine('W_OK', '02')
930      self.framework.addDefine('X_OK', '01')
931    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
932      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
933      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
934    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
935      self.addDefine('HAVE_LARGE_INTEGER_U',1)
936
937    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
938    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
939      self.addDefine('HAVE_O_BINARY',1)
940
941    if self.compilers.CC.find('win32fe') >= 0:
942      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
943      self.addDefine('PATH_SEPARATOR','\';\'')
944      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
945      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
946      self.addDefine('CANNOT_START_DEBUGGER',1)
947      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
948      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
949      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
950      self.addMakeMacro('wPETSC_DIR',petscdir)
951    else:
952      self.addDefine('PATH_SEPARATOR','\':\'')
953      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
954      self.addDefine('DIR_SEPARATOR','\'/\'')
955      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
956      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
957    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
958    return
959
960#-----------------------------------------------------------------------------------------------------
961  def configureCygwinBrokenPipe(self):
962    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
963    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
964    if config.setCompilers.Configure.isCygwin(self.log):
965      import platform
966      import re
967      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
968      m=r.match(platform.release())
969      major=int(m.group(1))
970      minor=int(m.group(2))
971      subminor=int(m.group(3))
972      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
973        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
974    return
975
976#-----------------------------------------------------------------------------------------------------
977  def configureDefaultArch(self):
978    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
979    if self.framework.argDB['with-default-arch']:
980      fd = file(conffile, 'w')
981      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
982      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
983      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
984      fd.close()
985      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
986    elif os.path.isfile(conffile):
987      try:
988        os.unlink(conffile)
989      except:
990        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
991    return
992
993#-----------------------------------------------------------------------------------------------------
994  def configureScript(self):
995    '''Output a script in the conf directory which will reproduce the configuration'''
996    import nargs
997    import sys
998    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
999    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
1000    if 'with-clean' in args:
1001      del args['with-clean']
1002    if 'configModules' in args:
1003      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
1004        del args['configModules']
1005    if 'optionsModule' in args:
1006      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
1007        del args['optionsModule']
1008    if not 'PETSC_ARCH' in args:
1009      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
1010    f = file(scriptName, 'w')
1011    f.write('#!'+sys.executable+'\n')
1012    f.write('if __name__ == \'__main__\':\n')
1013    f.write('  import sys\n')
1014    f.write('  import os\n')
1015    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
1016    f.write('  import configure\n')
1017    # pretty print repr(args.values())
1018    f.write('  configure_options = [\n')
1019    for itm in sorted(args.values()):
1020      f.write('    \''+str(itm)+'\',\n')
1021    f.write('  ]\n')
1022    f.write('  configure.petsc_configure(configure_options)\n')
1023    f.close()
1024    try:
1025      os.chmod(scriptName, 0o775)
1026    except OSError as e:
1027      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
1028    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
1029    return
1030
1031  def configureInstall(self):
1032    '''Setup the directories for installation'''
1033    if self.framework.argDB['prefix']:
1034      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do:"',\
1035                                              '-@echo "'+self.installdir.installSudo+'make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
1036                                              '-@echo "========================================="'])
1037    else:
1038      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do:"',\
1039                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',\
1040                                              '-@echo "========================================="'])
1041      return
1042
1043  def configureGCOV(self):
1044    if self.framework.argDB['with-gcov']:
1045      self.addDefine('USE_GCOV','1')
1046    return
1047
1048  def configureFortranFlush(self):
1049    if hasattr(self.compilers, 'FC'):
1050      for baseName in ['flush','flush_']:
1051        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
1052          self.addDefine('HAVE_'+baseName.upper(), 1)
1053          return
1054
1055  def configureViewFromOptions(self):
1056    if not self.framework.argDB['with-viewfromoptions']:
1057      self.addDefine('SKIP_VIEWFROMOPTIONS',1)
1058
1059  def postProcessPackages(self):
1060    postPackages=[]
1061    for i in self.framework.packages:
1062      if hasattr(i,'postProcess'): postPackages.append(i)
1063    if postPackages:
1064      # ctetgen needs petsc conf files. so attempt to create them early
1065      self.framework.dumpConfFiles()
1066      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
1067      for i in postPackages:
1068        if i.name.upper() in ['PFLOTRAN']:
1069          i.postProcess()
1070          postPackages.remove(i)
1071      for i in postPackages: i.postProcess()
1072      for i in postPackages:
1073        if i.installedpetsc:
1074          self.installed = 1
1075          break
1076    return
1077
1078  def configure(self):
1079    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
1080      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
1081    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
1082      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
1083    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
1084      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')
1085    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)):
1086      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
1087    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
1088    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
1089    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
1090    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
1091    if self.libraries.math is None:
1092      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
1093    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
1094      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
1095    self.executeTest(self.configureRTLDDefault)
1096    self.executeTest(self.configurePrefetch)
1097    self.executeTest(self.configureUnused)
1098    self.executeTest(self.configureDeprecated)
1099    self.executeTest(self.configureIsatty)
1100    self.executeTest(self.configureExpect);
1101    self.executeTest(self.configureAlign);
1102    self.executeTest(self.configureFunctionName);
1103    self.executeTest(self.configureIntptrt);
1104    self.executeTest(self.configureSolaris)
1105    self.executeTest(self.configureLinux)
1106    self.executeTest(self.configureWin32)
1107    self.executeTest(self.configureCygwinBrokenPipe)
1108    self.executeTest(self.configureDefaultArch)
1109    self.executeTest(self.configureScript)
1110    self.executeTest(self.configureInstall)
1111    self.executeTest(self.configureGCOV)
1112    self.executeTest(self.configureFortranFlush)
1113    self.executeTest(self.configureAtoll)
1114    self.executeTest(self.configureViewFromOptions)
1115
1116    self.Dump()
1117    self.dumpConfigInfo()
1118    self.dumpMachineInfo()
1119    self.dumpCMakeConfig()
1120    self.dumpCMakeLists()
1121    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
1122    self.framework.storeSubstitutions(self.framework.argDB)
1123    self.framework.argDB['configureCache'] = cPickle.dumps(self.framework)
1124    self.framework.argDB.save(force = True)
1125    self.cmakeBoot()
1126    self.DumpPkgconfig()
1127    self.DumpModule()
1128    self.postProcessPackages()
1129    self.framework.log.write('================================================================================\n')
1130    self.logClear()
1131    return
1132