xref: /petsc/config/PETSc/Configure.py (revision 58c0e5077dcf40d6a880c19c87f1075ae1d22c8e)
1import config.base
2
3import os
4import sys
5import re
6import pickle
7
8class Configure(config.base.Configure):
9  def __init__(self, framework):
10    config.base.Configure.__init__(self, framework)
11    self.headerPrefix = 'PETSC'
12    self.substPrefix  = 'PETSC'
13    self.installed = 0 # 1 indicates that Configure itself has already compiled and installed PETSc
14    return
15
16  def __str2__(self):
17    desc = []
18    if not self.installed:
19      desc.append('xxx=========================================================================xxx')
20      desc.append(' Configure stage complete. Now build PETSc libraries with:')
21      desc.append('   make PETSC_DIR='+self.petscdir.dir+' PETSC_ARCH='+self.arch.arch+' all')
22      desc.append('xxx=========================================================================xxx')
23    else:
24      desc.append('xxx=========================================================================xxx')
25      desc.append(' Installation complete. You do not need to run make to compile or install the software')
26      desc.append('xxx=========================================================================xxx')
27    return '\n'.join(desc)+'\n'
28
29  def setupHelp(self, help):
30    import nargs
31    help.addArgument('PETSc',  '-prefix=<dir>',                   nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
32    help.addArgument('PETSc',  '-with-prefetch=<bool>',           nargs.ArgBool(None, 1,'Enable checking for prefetch instructions'))
33    help.addArgument('Windows','-with-windows-graphics=<bool>',   nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
34    help.addArgument('PETSc', '-with-default-arch=<bool>',        nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
35    help.addArgument('PETSc','-with-single-library=<bool>',       nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
36    help.addArgument('PETSc','-with-fortran-bindings=<bool>',     nargs.ArgBool(None, 1,'Build PETSc fortran bindings in the library and corresponding module files'))
37    help.addArgument('PETSc', '-with-ios=<bool>',              nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
38    help.addArgument('PETSc', '-with-xsdk-defaults', nargs.ArgBool(None, 0, 'Set the following as defaults for the xSDK standard: --enable-debug=1, --enable-shared=1, --with-precision=double, --with-index-size=32, locate blas/lapack automatically'))
39    help.addArgument('PETSc', '-with-display=<x11display>',       nargs.Arg(None, '', 'Specifiy DISPLAY env variable for use with matlab test)'))
40    help.addArgument('PETSc', '-with-package-scripts=<pyscripts>',nargs.ArgFileList(None,None,'Specify configure package scripts for user provided packages'))
41    return
42
43  def registerPythonFile(self,filename,directory):
44    ''' Add a python file to the framework and registers its headerprefix, ... externalpackagedir
45        directory is the directory where the file relative to the BuildSystem or config path in python notation with . '''
46    (utilityName, ext) = os.path.splitext(filename)
47    if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
48      if directory: directory = directory+'.'
49      utilityObj                             = self.framework.require(directory+utilityName, self)
50      utilityObj.headerPrefix                = self.headerPrefix
51      utilityObj.archProvider                = self.arch
52      utilityObj.languageProvider            = self.languages
53      utilityObj.installDirProvider          = self.installdir
54      utilityObj.externalPackagesDirProvider = self.externalpackagesdir
55      utilityObj.precisionProvider           = self.scalartypes
56      utilityObj.indexProvider               = self.indexTypes
57      setattr(self, utilityName.lower(), utilityObj)
58      return utilityObj
59    return None
60
61  def setupDependencies(self, framework):
62    config.base.Configure.setupDependencies(self, framework)
63    self.programs      = framework.require('config.programs',           self)
64    self.setCompilers  = framework.require('config.setCompilers',       self)
65    self.compilers     = framework.require('config.compilers',          self)
66    self.arch          = framework.require('PETSc.options.arch',        self.setCompilers)
67    self.petscdir      = framework.require('PETSc.options.petscdir',    self.arch)
68    self.installdir    = framework.require('PETSc.options.installDir',  self)
69    self.scalartypes   = framework.require('PETSc.options.scalarTypes', self)
70    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self)
71    self.languages     = framework.require('PETSc.options.languages',   self.setCompilers)
72    self.indexTypes    = framework.require('PETSc.options.indexTypes',  self.compilers)
73    self.compilers     = framework.require('config.compilers',          self)
74    self.types         = framework.require('config.types',              self)
75    self.headers       = framework.require('config.headers',            self)
76    self.functions     = framework.require('config.functions',          self)
77    self.libraries     = framework.require('config.libraries',          self)
78    self.atomics       = framework.require('config.atomics',            self)
79    self.make          = framework.require('config.packages.make',      self)
80    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
81    self.externalpackagesdir = framework.require('PETSc.options.externalpackagesdir',self)
82    self.mpi           = framework.require('config.packages.MPI',self)
83
84    for utility in sorted(os.listdir(os.path.join('config','PETSc','options'))):
85      self.registerPythonFile(utility,'PETSc.options')
86
87    for utility in sorted(os.listdir(os.path.join('config','BuildSystem','config','utilities'))):
88      self.registerPythonFile(utility,'config.utilities')
89
90    for package in sorted(os.listdir(os.path.join('config', 'BuildSystem', 'config', 'packages'))):
91      obj = self.registerPythonFile(package,'config.packages')
92      if obj:
93        obj.archProvider                = self.framework.requireModule(obj.archProvider, obj)
94        obj.languageProvider            = self.framework.requireModule(obj.languageProvider, obj)
95        obj.installDirProvider          = self.framework.requireModule(obj.installDirProvider, obj)
96        obj.externalPackagesDirProvider = self.framework.requireModule(obj.externalPackagesDirProvider, obj)
97        obj.precisionProvider           = self.framework.requireModule(obj.precisionProvider, obj)
98        obj.indexProvider               = self.framework.requireModule(obj.indexProvider, obj)
99
100    # Force blaslapack and opencl to depend on scalarType so precision is set before BlasLapack is built
101    framework.require('PETSc.options.scalarTypes', self.f2cblaslapack)
102    framework.require('PETSc.options.scalarTypes', self.fblaslapack)
103    framework.require('PETSc.options.scalarTypes', self.blaslapack)
104    framework.require('PETSc.options.scalarTypes', self.opencl)
105
106    self.programs.headerPrefix   = self.headerPrefix
107    self.compilers.headerPrefix  = self.headerPrefix
108    self.types.headerPrefix      = self.headerPrefix
109    self.headers.headerPrefix    = self.headerPrefix
110    self.functions.headerPrefix  = self.headerPrefix
111    self.libraries.headerPrefix  = self.headerPrefix
112
113    # Register user provided package scripts
114    if 'with-package-scripts' in self.framework.argDB:
115      for script in self.framework.argDB['with-package-scripts']:
116        if os.path.splitext(script)[1] != '.py':
117          raise RuntimeError('Only python scripts compatible with configure package script format should be specified! Invalid option -with-package-scripts='+script)
118        self.framework.logPrint('User is registering a new package script: '+script)
119        dname,fname = os.path.split(script)
120        if dname: sys.path.append(dname)
121        self.registerPythonFile(fname,'')
122
123    # test for a variety of basic headers and functions
124    headersC = map(lambda name: name+'.h', ['setjmp','dos', 'fcntl', 'float', 'io',  'malloc', 'pwd',  'strings',
125                                            'unistd', 'sys/sysinfo', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
126                                            'sys/systeminfo', 'sys/times', 'sys/utsname',
127                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
128                                            'WindowsX', 'float','ieeefp','stdint','pthread','inttypes','immintrin','zmmintrin'])
129    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname',
130                 'getwd', 'memalign', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
131                 'readlink', 'realpath',  'usleep', 'sleep', '_sleep',
132                 'uname','snprintf','_snprintf','lseek','_lseek','time','fork','stricmp',
133                 'strcasecmp', 'bzero', 'dlopen', 'dlsym', 'dlclose', 'dlerror',
134                 '_set_output_format','_mkdir','socket','gethostbyname']
135    libraries = [(['fpe'], 'handle_sigfpes')]
136    librariessock = [(['socket', 'nsl'], 'socket')]
137    self.headers.headers.extend(headersC)
138    self.functions.functions.extend(functions)
139    self.libraries.libraries.extend(libraries)
140    if not hasattr(self,'socket'):
141      self.libraries.libraries.extend(librariessock)
142    return
143
144  def DumpPkgconfig(self):
145    ''' Create a pkg-config file '''
146    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
147      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
148    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig','PETSc.pc'),'w')
149    cflags_inc = ['-I${includedir}']
150    if self.framework.argDB['prefix']:
151      fd.write('prefix='+self.installdir.dir+'\n')
152    else:
153      fd.write('prefix='+os.path.join(self.petscdir.dir, self.arch.arch)+'\n')
154      cflags_inc.append('-I' + os.path.join(self.petscdir.dir, 'include'))
155    fd.write('exec_prefix=${prefix}\n')
156    fd.write('includedir=${prefix}/include\n')
157    fd.write('libdir=${prefix}/lib\n')
158
159    self.setCompilers.pushLanguage('C')
160    fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
161    fd.write('cflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
162    fd.write('cflags_dep='+self.compilers.dependenciesGenerationFlag.get('C','')+'\n')
163    fd.write('ldflag_rpath='+self.setCompilers.CSharedLinkerFlag+'\n')
164    self.setCompilers.popLanguage()
165    if hasattr(self.compilers, 'CXX'):
166      self.setCompilers.pushLanguage('C++')
167      fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
168      fd.write('cxxflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
169      self.setCompilers.popLanguage()
170    if hasattr(self.compilers, 'FC'):
171      self.setCompilers.pushLanguage('FC')
172      fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
173      fd.write('fflags_extra='+self.setCompilers.getCompilerFlags().strip()+'\n')
174      self.setCompilers.popLanguage()
175
176    fd.write('\n')
177    fd.write('Name: PETSc\n')
178    fd.write('Description: Library to solve ODEs and algebraic equations\n')
179    fd.write('Version: %s\n' % self.petscdir.version)
180    fd.write('Cflags: ' + ' '.join([self.setCompilers.CPPFLAGS] + cflags_inc) + '\n')
181    fd.write('Libs: '+self.libraries.toStringNoDupes(['-L${libdir}', self.petsclib], with_rpath=False)+'\n')
182    # Remove RPATH flags from library list.  User can add them using
183    # pkg-config --variable=ldflag_rpath and pkg-config --libs-only-L
184    fd.write('Libs.private: '+self.libraries.toStringNoDupes([f for f in self.packagelibs+self.complibs if not f.startswith(self.setCompilers.CSharedLinkerFlag)], with_rpath=False)+'\n')
185
186    fd.close()
187    return
188
189  def DumpModule(self):
190    ''' Create a module file '''
191    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules')):
192      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules'))
193    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc')):
194      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc'))
195    if self.framework.argDB['prefix']:
196      installdir  = self.installdir.dir
197      installarch = ''
198      installpath = os.path.join(installdir,'bin')
199    else:
200      installdir  = self.petscdir.dir
201      installarch = self.arch.arch
202      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
203    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','petsc','conf','modules','petsc',self.petscdir.version),'w')
204    fd.write('''\
205#%%Module
206
207proc ModulesHelp { } {
208    puts stderr "This module sets the path and environment variables for petsc-%s"
209    puts stderr "     see https://www.mcs.anl.gov/petsc/ for more information      "
210    puts stderr ""
211}
212module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
213
214set petsc_dir   "%s"
215set petsc_arch  "%s"
216
217setenv PETSC_ARCH "$petsc_arch"
218setenv PETSC_DIR "$petsc_dir"
219prepend-path PATH "%s"
220''' % (self.petscdir.version, installdir, installarch, installpath))
221    fd.close()
222    return
223
224  def Dump(self):
225    ''' Actually put the values into the configuration files '''
226    # eventually everything between -- should be gone
227    if self.mpi.usingMPIUni:
228      #
229      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
230      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)
231
232    self.setCompilers.pushLanguage('C')
233    compiler = self.setCompilers.getCompiler()
234    if compiler.endswith('mpicc') or compiler.endswith('mpiicc'):
235      try:
236        output   = self.executeShellCommand(compiler + ' -show', log = self.log)[0]
237        compiler = output.split(' ')[0]
238        self.addDefine('MPICC_SHOW','"'+output.strip().replace('\n','\\\\n')+'"')
239      except:
240        self.addDefine('MPICC_SHOW','"Unavailable"')
241    else:
242      self.addDefine('MPICC_SHOW','"Unavailable"')
243    self.setCompilers.popLanguage()
244#-----------------------------------------------------------------------------------------------------
245
246    # Sometimes we need C compiler, even if built with C++
247    self.setCompilers.pushLanguage('C')
248    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
249    self.setCompilers.popLanguage()
250
251    # And sometimes we need a C++ compiler even when PETSc is built with C
252    if hasattr(self.compilers, 'CXX'):
253      self.setCompilers.pushLanguage('Cxx')
254      self.addDefine('HAVE_CXX','1')
255      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
256      cxx_linker = self.setCompilers.getLinker()
257      self.addMakeMacro('CXX_LINKER',cxx_linker)
258      self.addMakeMacro('CXX_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
259      self.setCompilers.popLanguage()
260
261    # C preprocessor values
262    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS)
263
264    # compiler values
265    self.setCompilers.pushLanguage(self.languages.clanguage)
266    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
267    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
268    self.setCompilers.popLanguage()
269    # .o or .obj
270    self.addMakeMacro('CC_SUFFIX','o')
271
272    # executable linker values
273    self.setCompilers.pushLanguage(self.languages.clanguage)
274    pcc_linker = self.setCompilers.getLinker()
275    self.addMakeMacro('PCC_LINKER',pcc_linker)
276    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
277    self.setCompilers.popLanguage()
278    # '' for Unix, .exe for Windows
279    self.addMakeMacro('CC_LINKER_SUFFIX','')
280
281    if hasattr(self.compilers, 'FC'):
282      if self.framework.argDB['with-fortran-bindings']:
283        self.addDefine('HAVE_FORTRAN','1')
284      self.setCompilers.pushLanguage('FC')
285      # need FPPFLAGS in config/setCompilers
286      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
287
288      # compiler values
289      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
290      self.setCompilers.popLanguage()
291      # .o or .obj
292      self.addMakeMacro('FC_SUFFIX','o')
293
294      # executable linker values
295      self.setCompilers.pushLanguage('FC')
296      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
297      fc_linker = self.setCompilers.getLinker()
298      if config.setCompilers.Configure.isNAG(fc_linker, self.log):
299        self.addMakeMacro('FC_LINKER',pcc_linker)
300      else:
301        self.addMakeMacro('FC_LINKER',fc_linker)
302      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
303      # apple requires this shared library linker flag on SOME versions of the os
304      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
305        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
306      self.setCompilers.popLanguage()
307
308      # F90 Modules
309      if self.setCompilers.fortranModuleIncludeFlag:
310        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
311      else: # for non-f90 compilers like g77
312        self.addMakeMacro('FC_MODULE_FLAG', '-I')
313      if self.setCompilers.fortranModuleIncludeFlag:
314        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
315    else:
316      self.addMakeMacro('FC','')
317
318    if hasattr(self.compilers, 'CUDAC'):
319      self.setCompilers.pushLanguage('CUDA')
320      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
321      self.setCompilers.popLanguage()
322
323    # shared library linker values
324    self.setCompilers.pushLanguage(self.languages.clanguage)
325    # need to fix BuildSystem to collect these separately
326    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
327    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
328    self.setCompilers.popLanguage()
329    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
330    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
331    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
332      self.addMakeMacro('SL_LINKER_SUFFIX', '')
333      self.addDefine('SLSUFFIX','""')
334    else:
335      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
336      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
337
338    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
339
340#-----------------------------------------------------------------------------------------------------
341
342    # CONLY or CPP. We should change the PETSc makefiles to do this better
343    if self.languages.clanguage == 'C': lang = 'CONLY'
344    else: lang = 'CXXONLY'
345    self.addMakeMacro('PETSC_LANGUAGE',lang)
346
347    # real or complex
348    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
349    # double or float
350    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
351
352    if self.framework.argDB['with-batch']:
353      self.addMakeMacro('PETSC_WITH_BATCH','1')
354
355    # Test for compiler-specific macros that need to be defined.
356    if self.setCompilers.isCrayVector('CC', self.log):
357      self.addDefine('HAVE_CRAY_VECTOR','1')
358
359#-----------------------------------------------------------------------------------------------------
360    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
361      self.addDefine('USE_SOCKET_VIEWER','1')
362      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
363        self.addDefine('HAVE_SO_REUSEADDR','1')
364
365#-----------------------------------------------------------------------------------------------------
366    # print include and lib for makefiles
367    self.framework.packages.reverse()
368    petscincludes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
369    petscincludes_install = [os.path.join(self.installdir.dir, 'include')] if self.framework.argDB['prefix'] else petscincludes
370    includes = []
371    self.packagelibs = []
372    for i in self.framework.packages:
373      if i.useddirectly and not i.required:
374        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
375      if not isinstance(i.lib, list):
376        i.lib = [i.lib]
377      if i.linkedbypetsc: self.packagelibs.extend(i.lib)
378      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
379      if hasattr(i,'include'):
380        if not isinstance(i.include,list):
381          i.include = [i.include]
382        includes.extend(i.include)
383        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
384    if self.framework.argDB['with-single-library']:
385      self.petsclib = '-lpetsc'
386    else:
387      self.petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
388    self.complibs = self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split()
389    self.PETSC_WITH_EXTERNAL_LIB = self.libraries.toStringNoDupes(['-L${PETSC_DIR}/${PETSC_ARCH}/lib', self.petsclib]+self.packagelibs+self.complibs)
390    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(self.packagelibs+self.complibs)
391
392    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.PETSC_EXTERNAL_LIB_BASIC)
393    allincludes = petscincludes + includes
394    allincludes_install = petscincludes_install + includes
395    self.PETSC_CC_INCLUDES = self.headers.toStringNoDupes(allincludes)
396    self.PETSC_CC_INCLUDES_INSTALL = self.headers.toStringNoDupes(allincludes_install)
397    self.addMakeMacro('PETSC_CC_INCLUDES',self.PETSC_CC_INCLUDES)
398    self.addMakeMacro('PETSC_CC_INCLUDES_INSTALL', self.PETSC_CC_INCLUDES_INSTALL)
399    if hasattr(self.compilers, 'FC'):
400      def modinc(includes):
401        return includes if self.compilers.fortranIsF90 else []
402      self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(allincludes,modinc(allincludes)))
403      self.addMakeMacro('PETSC_FC_INCLUDES_INSTALL',self.headers.toStringNoDupes(allincludes_install,modinc(allincludes_install)))
404
405    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir.dir,'lib')+'"')
406
407    if self.framework.argDB['with-single-library']:
408      # overrides the values set in conf/variables
409      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
410      self.addMakeMacro('SHLIBS','libpetsc')
411      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
412      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
413      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
414      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
415      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.PETSC_WITH_EXTERNAL_LIB)
416      self.addDefine('USE_SINGLE_LIBRARY', '1')
417      if self.sharedlibraries.useShared:
418        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
419        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
420        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
421        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
422        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
423        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
424        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
425        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
426        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
427        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
428        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
429      else:
430        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
431        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
432        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
433        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
434        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
435        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
436        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
437        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
438        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
439        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
440        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
441
442    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
443      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
444
445# add a makefile endtry for display
446    if self.framework.argDB['with-display']:
447      self.addMakeMacro('DISPLAY',self.framework.argDB['with-display'])
448
449    # add a makefile entry for configure options
450    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
451    return
452
453  def dumpConfigInfo(self):
454    import time
455    fd = open(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
456    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
457    fd.close()
458    return
459
460  def dumpMachineInfo(self):
461    import platform
462    import datetime
463    import time
464    import script
465    def escape(s):
466      return s.replace('"',r'\"').replace(r'\ ',r'\\ ')
467    fd = open(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
468    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
469    fd.write('\"-----------------------------------------\\n\"\n')
470    buildhost = platform.node()
471    if os.environ.get('SOURCE_DATE_EPOCH'):
472      buildhost = "reproducible"
473    buildtime = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
474    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (buildtime, buildhost))
475    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
476    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.installdir.petscDir)))
477    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.installdir.petscArch)))
478    fd.write('\"-----------------------------------------\\n\";\n')
479    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
480    self.setCompilers.pushLanguage(self.languages.clanguage)
481    fd.write('\"Using C compiler: %s %s \\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
482    self.setCompilers.popLanguage()
483    if hasattr(self.compilers, 'FC'):
484      self.setCompilers.pushLanguage('FC')
485      fd.write('\"Using Fortran compiler: %s %s  %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
486      self.setCompilers.popLanguage()
487    fd.write('\"-----------------------------------------\\n\";\n')
488    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
489    fd.write('\"Using include paths: %s\\n\"\n' % (escape(self.PETSC_CC_INCLUDES_INSTALL.replace('${PETSC_DIR}', self.installdir.petscDir))))
490    fd.write('\"-----------------------------------------\\n\";\n')
491    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
492    self.setCompilers.pushLanguage(self.languages.clanguage)
493    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
494    self.setCompilers.popLanguage()
495    if hasattr(self.compilers, 'FC'):
496      self.setCompilers.pushLanguage('FC')
497      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
498      self.setCompilers.popLanguage()
499    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)))
500    fd.write('\"-----------------------------------------\\n\";\n')
501    fd.close()
502    return
503
504  def configurePrefetch(self):
505    '''Sees if there are any prefetch functions supported'''
506    if config.setCompilers.Configure.isSolaris(self.log) or self.framework.argDB['with-ios'] or not self.framework.argDB['with-prefetch']:
507      self.addDefine('Prefetch(a,b,c)', ' ')
508      return
509    self.pushLanguage(self.languages.clanguage)
510    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
511      # The Intel Intrinsics manual [1] specifies the prototype
512      #
513      #   void _mm_prefetch(char const *a, int sel);
514      #
515      # but other vendors seem to insist on using subtly different
516      # prototypes, including void* for the pointer, and an enum for
517      # sel.  These are both reasonable changes, but negatively impact
518      # portability.
519      #
520      # [1] https://software.intel.com/file/6373
521      self.addDefine('HAVE_XMMINTRIN_H', 1)
522      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
523      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
524      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
525      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
526      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
527    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
528      self.addDefine('HAVE_XMMINTRIN_H', 1)
529      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
530      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
531      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
532      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
533      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
534    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
535      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
536      #
537      #   The value of rw is a compile-time constant one or zero; one
538      #   means that the prefetch is preparing for a write to the memory
539      #   address and zero, the default, means that the prefetch is
540      #   preparing for a read. The value locality must be a compile-time
541      #   constant integer between zero and three. A value of zero means
542      #   that the data has no temporal locality, so it need not be left
543      #   in the cache after the access. A value of three means that the
544      #   data has a high degree of temporal locality and should be left
545      #   in all levels of cache possible. Values of one and two mean,
546      #   respectively, a low or moderate degree of temporal locality.
547      #
548      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
549      # hints.  Using macros for these values in necessary since some
550      # compilers require an enum.
551      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
552      self.addDefine('PREFETCH_HINT_NTA', '0')
553      self.addDefine('PREFETCH_HINT_T0',  '3')
554      self.addDefine('PREFETCH_HINT_T1',  '2')
555      self.addDefine('PREFETCH_HINT_T2',  '1')
556    else:
557      self.addDefine('Prefetch(a,b,c)', ' ')
558    self.popLanguage()
559
560  def configureAtoll(self):
561    '''Checks if atoll exists'''
562    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")'):
563       self.addDefine('HAVE_ATOLL', '1')
564
565  def configureUnused(self):
566    '''Sees if __attribute((unused)) is supported'''
567    if self.framework.argDB['with-ios']:
568      self.addDefine('UNUSED', ' ')
569      return
570    self.pushLanguage(self.languages.clanguage)
571    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'):
572      self.addDefine('UNUSED', '__attribute((unused))')
573    else:
574      self.addDefine('UNUSED', ' ')
575    self.popLanguage()
576
577  def configureIsatty(self):
578    '''Check if the Unix C function isatty() works correctly
579       Actually just assumes it does not work correctly on batch systems'''
580    if not self.framework.argDB['with-batch']:
581      self.addDefine('USE_ISATTY',1)
582
583  def configureDeprecated(self):
584    '''Check if __attribute((deprecated)) is supported'''
585    self.pushLanguage(self.languages.clanguage)
586    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
587    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
588    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
589    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
590    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the gcc
591    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
592    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
593    ## why we can't have nice things.
594    #
595    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
596    #   self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated(why)))')
597    #   self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated(why)))')
598    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
599      self.addDefine('DEPRECATED_FUNCTION(why)', '__attribute((deprecated))')
600      self.addDefine('DEPRECATED_TYPEDEF(why)', '__attribute((deprecated))')
601    else:
602      self.addDefine('DEPRECATED_FUNCTION(why)', ' ')
603      self.addDefine('DEPRECATED_TYPEDEF(why)', ' ')
604    if self.checkCompile("""enum E {oldval __attribute((deprecated)), newval };""", ''):
605      self.addDefine('DEPRECATED_ENUM(why)', '__attribute((deprecated))')
606    else:
607      self.addDefine('DEPRECATED_ENUM(why)', ' ')
608    # I was unable to make a CPP macro that takes the old and new values as seperate arguments and builds the message needed by _Pragma
609    # hence the deprecation message is handled as it is
610    if self.checkCompile('#define TEST _Pragma("GCC warning \"Testing _Pragma\"") value'):
611      self.addDefine('DEPRECATED_MACRO(why)', '_Pragma(why)')
612    else:
613      self.addDefine('DEPRECATED_MACRO(why)', ' ')
614    self.popLanguage()
615
616  def configureAlign(self):
617    '''Check if __attribute(aligned) is supported'''
618    code = '''\
619struct mystruct {int myint;} __attribute((aligned(16)));
620char assert_aligned[(sizeof(struct mystruct)==16)*2-1];
621'''
622    self.pushLanguage(self.languages.clanguage)
623    if self.checkCompile(code):
624      self.addDefine('ATTRIBUTEALIGNED(size)', '__attribute((aligned(size)))')
625      self.addDefine('HAVE_ATTRIBUTEALIGNED', 1)
626    else:
627      self.framework.logPrint('Incorrect attribute(aligned)')
628      self.addDefine('ATTRIBUTEALIGNED(size)', ' ')
629    self.popLanguage()
630    return
631
632  def configureExpect(self):
633    '''Sees if the __builtin_expect directive is supported'''
634    self.pushLanguage(self.languages.clanguage)
635    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
636      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
637    self.popLanguage()
638
639  def configureFunctionName(self):
640    '''Sees if the compiler supports __func__ or a variant.'''
641    def getFunctionName(lang):
642      name = '"unknown"'
643      self.pushLanguage(lang)
644      for fname in ['__func__','__FUNCTION__','__extension__ __func__']:
645        code = "if ("+fname+"[0] != 'm') return 1;"
646        if self.checkCompile('',code) and self.checkLink('',code):
647          name = fname
648          break
649      self.popLanguage()
650      return name
651    langs = []
652
653    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
654    if hasattr(self.compilers, 'CXX'):
655      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
656
657  def configureIntptrt(self):
658    '''Determine what to use for uintptr_t'''
659    def staticAssertSizeMatchesVoidStar(inc,typename):
660      # The declaration is an error if either array size is negative.
661      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
662      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
663                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
664    self.pushLanguage(self.languages.clanguage)
665    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
666      self.addDefine('UINTPTR_T', 'uintptr_t')
667    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
668      self.addDefine('UINTPTR_T', 'unsigned long long')
669    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
670      self.addDefine('UINTPTR_T', 'size_t')
671    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
672      self.addDefine('UINTPTR_T', 'unsigned long')
673    elif staticAssertSizeMatchesVoidStar('','unsigned'):
674      self.addDefine('UINTPTR_T', 'unsigned')
675    else:
676      raise RuntimeError('Could not find any unsigned integer type matching void*')
677    self.popLanguage()
678
679  def configureRTLDDefault(self):
680    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
681      self.addDefine('RTLD_DEFAULT','1')
682    return
683
684  def configureSolaris(self):
685    '''Solaris specific stuff'''
686    if os.path.isdir(os.path.join('/usr','ucblib')):
687      try:
688        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
689      except AttributeError:
690        flag = None
691      if flag is None:
692        self.compilers.LIBS += ' -L/usr/ucblib'
693      else:
694        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
695    return
696
697  def configureLinux(self):
698    '''Linux specific stuff'''
699    # TODO: Test for this by mallocing an odd number of floats and checking the address
700    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
701    return
702
703  def configureWin32(self):
704    '''Win32 non-cygwin specific stuff'''
705    kernel32=0
706    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
707      self.addDefine('HAVE_WINDOWS_H',1)
708      self.addDefine('HAVE_GETCOMPUTERNAME',1)
709      kernel32=1
710    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
711      self.addDefine('HAVE_WINDOWS_H',1)
712      self.addDefine('HAVE_GETCOMPUTERNAME',1)
713      kernel32=1
714    if kernel32:
715      if self.framework.argDB['with-windows-graphics']:
716        self.addDefine('USE_WINDOWS_GRAPHICS',1)
717      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
718        self.addDefine('HAVE_LOADLIBRARY',1)
719      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
720        self.addDefine('HAVE_GETPROCADDRESS',1)
721      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
722        self.addDefine('HAVE_FREELIBRARY',1)
723      if self.checkLink('#include <Windows.h>','GetLastError()'):
724        self.addDefine('HAVE_GETLASTERROR',1)
725      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
726        self.addDefine('HAVE_SETLASTERROR',1)
727      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
728        self.addDefine('USE_MICROSOFT_TIME',1)
729    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
730      self.addDefine('HAVE_GET_USER_NAME',1)
731    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
732      self.addDefine('HAVE_GET_USER_NAME',1)
733
734    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
735      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
736    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
737      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
738
739    self.types.check('int32_t', 'int')
740    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
741      self.addTypedef('int', 'uid_t')
742      self.addTypedef('int', 'gid_t')
743    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
744      self.framework.addDefine('R_OK', '04')
745      self.framework.addDefine('W_OK', '02')
746      self.framework.addDefine('X_OK', '01')
747    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
748      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
749      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
750    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
751      self.addDefine('HAVE_LARGE_INTEGER_U',1)
752
753    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
754    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
755      self.addDefine('HAVE_O_BINARY',1)
756
757    if self.compilers.CC.find('win32fe') >= 0:
758      self.addDefine('HAVE_WINDOWS_COMPILERS',1)
759      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
760      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
761      self.addDefine('CANNOT_START_DEBUGGER',1)
762      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.installdir.petscDir, log = self.log)
763      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
764      (petscdir,error,status) = self.executeShellCommand('cygpath -m '+self.installdir.petscDir, log = self.log)
765      self.addMakeMacro('wPETSC_DIR',petscdir)
766    else:
767      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
768      self.addDefine('DIR_SEPARATOR','\'/\'')
769      self.addDefine('DIR','"'+self.installdir.petscDir+'"')
770      self.addMakeMacro('wPETSC_DIR',self.installdir.petscDir)
771    self.addDefine('ARCH','"'+self.installdir.petscArch+'"')
772    return
773
774#-----------------------------------------------------------------------------------------------------
775  def configureCygwinBrokenPipe(self):
776    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
777    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
778    if config.setCompilers.Configure.isCygwin(self.log):
779      import platform
780      import re
781      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
782      m=r.match(platform.release())
783      major=int(m.group(1))
784      minor=int(m.group(2))
785      subminor=int(m.group(3))
786      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
787        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
788    return
789
790#-----------------------------------------------------------------------------------------------------
791  def configureDefaultArch(self):
792    conffile = os.path.join('lib','petsc','conf', 'petscvariables')
793    if self.framework.argDB['with-default-arch']:
794      fd = open(conffile, 'w')
795      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
796      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
797      fd.write('include '+os.path.join('$(PETSC_DIR)','$(PETSC_ARCH)','lib','petsc','conf','petscvariables')+'\n')
798      fd.close()
799      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
800    elif os.path.isfile(conffile):
801      try:
802        os.unlink(conffile)
803      except:
804        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
805    return
806
807#-----------------------------------------------------------------------------------------------------
808  def configureScript(self):
809    '''Output a script in the conf directory which will reproduce the configuration'''
810    import nargs
811    import sys
812    scriptName = os.path.join(self.arch.arch,'lib','petsc','conf', 'reconfigure-'+self.arch.arch+'.py')
813    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
814    if 'with-clean' in args:
815      del args['with-clean']
816    if 'force' in args:
817      del args['force']
818    if 'configModules' in args:
819      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
820        del args['configModules']
821    if 'optionsModule' in args:
822      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'config.compilerOptions':
823        del args['optionsModule']
824    if not 'PETSC_ARCH' in args:
825      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
826    f = open(scriptName, 'w')
827    f.write('#!'+sys.executable+'\n')
828    f.write('if __name__ == \'__main__\':\n')
829    f.write('  import sys\n')
830    f.write('  import os\n')
831    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
832    f.write('  import configure\n')
833    # pretty print repr(args.values())
834    f.write('  configure_options = [\n')
835    for itm in sorted(args.values()):
836      f.write('    \''+str(itm)+'\',\n')
837    f.write('  ]\n')
838    f.write('  configure.petsc_configure(configure_options)\n')
839    f.close()
840    try:
841      os.chmod(scriptName, 0o775)
842    except OSError as e:
843      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
844    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
845    return
846
847  def configureInstall(self):
848    '''Setup the directories for installation'''
849    if self.framework.argDB['prefix']:
850      self.addMakeRule('print_mesg_after_build','',['-@echo "Now to install the libraries do:"',\
851                                              '-@echo "'+self.installdir.installSudo+'make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
852                                              '-@echo "========================================="'])
853    else:
854      self.addMakeRule('print_mesg_after_build','',['-@echo "Now to check if the libraries are working do:"',\
855                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} check"',\
856                                              '-@echo "========================================="'])
857      return
858
859  def configureGCOV(self):
860    if self.framework.argDB['with-gcov']:
861      self.addDefine('USE_GCOV','1')
862    return
863
864  def postProcessPackages(self):
865    postPackages=[]
866    for i in self.framework.packages:
867      if hasattr(i,'postProcess'): postPackages.append(i)
868    if postPackages:
869      # ctetgen needs petsc conf files. so attempt to create them early
870      self.framework.dumpConfFiles()
871      # tacky fix for dependency of Aluimia on Pflotran; requested via petsc-dev Matt provide a correct fix
872      for i in postPackages:
873        if i.name.upper() in ['PFLOTRAN']:
874          i.postProcess()
875          postPackages.remove(i)
876      for i in postPackages: i.postProcess()
877      for i in postPackages:
878        if i.installedpetsc:
879          self.installed = 1
880          break
881    return
882
883  def configure(self):
884    if 'package-prefix-hash' in self.argDB:
885      # turn off prefix if it was only used to for installing external packages.
886      self.framework.argDB['prefix'] = ''
887      self.dir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
888      self.installdir.dir = self.dir
889      self.installdir.petscDir = self.petscdir.dir
890      self.petscDir = self.petscdir.dir
891      self.petscArch = self.arch.arch
892      self.addMakeMacro('PREFIXDIR',self.dir)
893      self.confDir = os.path.abspath(os.path.join(self.petscdir.dir, self.arch.arch))
894
895    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
896      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
897    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
898      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
899    if self.framework.argDB['prefix'] and self.framework.argDB['prefix'].find(' ') > -1:
900      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')
901    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)):
902      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
903    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
904    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
905    self.framework.pkgheader       = os.path.join(self.arch.arch,'include','petscpkg_version.h')
906    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'lib','petsc','conf','petscvariables')
907    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'lib','petsc','conf','petscrules')
908    if self.libraries.math is None:
909      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
910    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
911      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
912    self.executeTest(self.configureRTLDDefault)
913    self.executeTest(self.configurePrefetch)
914    self.executeTest(self.configureUnused)
915    self.executeTest(self.configureDeprecated)
916    self.executeTest(self.configureIsatty)
917    self.executeTest(self.configureExpect);
918    self.executeTest(self.configureAlign);
919    self.executeTest(self.configureFunctionName);
920    self.executeTest(self.configureIntptrt);
921    self.executeTest(self.configureSolaris)
922    self.executeTest(self.configureLinux)
923    self.executeTest(self.configureWin32)
924    self.executeTest(self.configureCygwinBrokenPipe)
925    self.executeTest(self.configureDefaultArch)
926    self.executeTest(self.configureScript)
927    self.executeTest(self.configureInstall)
928    self.executeTest(self.configureGCOV)
929    self.executeTest(self.configureAtoll)
930
931    self.Dump()
932    self.dumpConfigInfo()
933    self.dumpMachineInfo()
934    # need to save the current state of BuildSystem so that postProcess() packages can read it in and perhaps run make install
935    self.framework.storeSubstitutions(self.framework.argDB)
936    self.framework.argDB['configureCache'] = pickle.dumps(self.framework)
937    self.framework.argDB.save(force = True)
938    self.DumpPkgconfig()
939    self.DumpModule()
940    self.postProcessPackages()
941    self.framework.log.write('================================================================================\n')
942    self.logClear()
943    return
944