xref: /petsc/config/PETSc/Configure.py (revision 59a26b545e82dbdce38757ecc766f64d9cf259df)
1import config.base
2
3import os
4import re
5
6# The sorted() builtin is not available with python-2.3
7try: sorted
8except NameError:
9  def sorted(lst):
10    lst.sort()
11    return lst
12
13class Configure(config.base.Configure):
14  def __init__(self, framework):
15    config.base.Configure.__init__(self, framework)
16    self.headerPrefix = 'PETSC'
17    self.substPrefix  = 'PETSC'
18    return
19
20  def __str2__(self):
21    desc = []
22    desc.append('xxx=========================================================================xxx')
23    if self.getMakeMacro('PETSC_BUILD_USING_CMAKE'):
24      build_type = 'cmake build'
25    else:
26      build_type = 'legacy build'
27    desc.append(' Configure stage complete. Now build PETSc libraries with (%s):' % build_type)
28    desc.append('   make PETSC_DIR='+self.petscdir.dir+' PETSC_ARCH='+self.arch.arch+' all')
29    desc.append(' or (experimental with python):')
30    desc.append('   PETSC_DIR='+self.petscdir.dir+' PETSC_ARCH='+self.arch.arch+' ./config/builder.py')
31    desc.append('xxx=========================================================================xxx')
32    return '\n'.join(desc)+'\n'
33
34  def setupHelp(self, help):
35    import nargs
36    help.addArgument('PETSc',  '-prefix=<dir>',                  nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
37    help.addArgument('Windows','-with-windows-graphics=<bool>',   nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
38    help.addArgument('PETSc', '-with-default-arch=<bool>',        nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
39    help.addArgument('PETSc','-with-single-library=<bool>',       nargs.ArgBool(None, 1,'Put all PETSc code into the single -lpetsc library'))
40    help.addArgument('PETSc', '-with-ios=<bool>',              nargs.ArgBool(None, 0, 'Build an iPhone/iPad version of PETSc library'))
41    return
42
43  def setupDependencies(self, framework):
44    config.base.Configure.setupDependencies(self, framework)
45    self.setCompilers  = framework.require('config.setCompilers',       self)
46    self.arch          = framework.require('PETSc.utilities.arch',      self.setCompilers)
47    self.petscdir      = framework.require('PETSc.utilities.petscdir',  self.setCompilers)
48    self.languages     = framework.require('PETSc.utilities.languages', self.setCompilers)
49    self.debugging     = framework.require('PETSc.utilities.debugging', self.setCompilers)
50    self.CHUD          = framework.require('PETSc.utilities.CHUD',      self)
51    self.compilers     = framework.require('config.compilers',          self)
52    self.types         = framework.require('config.types',              self)
53    self.headers       = framework.require('config.headers',            self)
54    self.functions     = framework.require('config.functions',          self)
55    self.libraries     = framework.require('config.libraries',          self)
56    self.atomics       = framework.require('config.atomics',            self)
57    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
58    if os.path.isdir(os.path.join('config', 'PETSc')):
59      for d in ['utilities', 'packages']:
60        for utility in os.listdir(os.path.join('config', 'PETSc', d)):
61          (utilityName, ext) = os.path.splitext(utility)
62          if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
63            utilityObj                    = self.framework.require('PETSc.'+d+'.'+utilityName, self)
64            utilityObj.headerPrefix       = self.headerPrefix
65            utilityObj.archProvider       = self.arch
66            utilityObj.languageProvider   = self.languages
67            utilityObj.installDirProvider = self.petscdir
68            setattr(self, utilityName.lower(), utilityObj)
69
70    for package in config.packages.all:
71      if not package == 'PETSc':
72        packageObj                    = framework.require('config.packages.'+package, self)
73        packageObj.archProvider       = self.arch
74        packageObj.languageProvider   = self.languages
75        packageObj.installDirProvider = self.petscdir
76        setattr(self, package.lower(), packageObj)
77    # Force blaslapack to depend on scalarType so precision is set before BlasLapack is built
78    framework.require('PETSc.utilities.scalarTypes', self.f2cblaslapack)
79    self.f2cblaslapack.precisionProvider = self.scalartypes
80    framework.require('PETSc.utilities.scalarTypes', self.blaslapack)
81    self.blaslapack.precisionProvider = self.scalartypes
82
83    self.compilers.headerPrefix  = self.headerPrefix
84    self.types.headerPrefix      = self.headerPrefix
85    self.headers.headerPrefix    = self.headerPrefix
86    self.functions.headerPrefix  = self.headerPrefix
87    self.libraries.headerPrefix  = self.headerPrefix
88    self.blaslapack.headerPrefix = self.headerPrefix
89    self.mpi.headerPrefix        = self.headerPrefix
90    headersC = map(lambda name: name+'.h', ['setjmp','dos', 'endian', 'fcntl', 'float', 'io', 'limits', 'malloc', 'pwd', 'search', 'strings',
91                                            'unistd', 'sys/sysinfo', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
92                                            'sys/systeminfo', 'sys/times', 'sys/utsname','string', 'stdlib','memory',
93                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
94                                            'WindowsX', 'cxxabi','float','ieeefp','stdint','fenv','sched','pthread','mathimf'])
95    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname', 'getpwuid',
96                 'gettimeofday', 'getwd', 'memalign', 'memmove', 'mkstemp', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
97                 'readlink', 'realpath',  'sigaction', 'signal', 'sigset', 'usleep', 'sleep', '_sleep', 'socket',
98                 'times', 'gethostbyname', 'uname','snprintf','_snprintf','_fullpath','lseek','_lseek','time','fork','stricmp',
99                 'strcasecmp', 'bzero', 'dlopen', 'dlsym', 'dlclose', 'dlerror','get_nprocs','sysctlbyname',
100                 '_intel_fast_memcpy','_intel_fast_memset']
101    libraries1 = [(['socket', 'nsl'], 'socket'), (['fpe'], 'handle_sigfpes')]
102    self.headers.headers.extend(headersC)
103    self.functions.functions.extend(functions)
104    self.libraries.libraries.extend(libraries1)
105
106    return
107
108  def DumpPkgconfig(self):
109    ''' Create a pkg-config file '''
110    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
111      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
112    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig','PETSc.pc'),'w')
113    if self.framework.argDB['prefix']:
114      installdir = self.framework.argDB['prefix']
115      fd.write('prefix='+installdir+'\n')
116      fd.write('exec_prefix=${prefix}\n')
117      fd.write('includedir=${prefix}/include\n')
118      fd.write('libdir='+os.path.join(installdir,'lib')+'\n')
119    else:
120      fd.write('prefix='+self.petscdir.dir+'\n')
121      fd.write('exec_prefix=${prefix}\n')
122      fd.write('includedir=${prefix}/include\n')
123      fd.write('libdir='+os.path.join(self.petscdir.dir,self.arch.arch,'lib')+'\n')
124
125    self.setCompilers.pushLanguage('C')
126    fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
127    self.setCompilers.popLanguage()
128    if hasattr(self.compilers, 'C++'):
129      self.setCompilers.pushLanguage('C++')
130      fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
131      self.setCompilers.popLanguage()
132    if hasattr(self.compilers, 'FC'):
133      self.setCompilers.pushLanguage('FC')
134      fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
135      self.setCompilers.popLanguage()
136    fd.write('blaslapacklibs='+self.libraries.toStringNoDupes(self.blaslapack.lib)+'\n')
137
138    fd.write('\n')
139    fd.write('Name: PETSc\n')
140    fd.write('Description: Library to solve ODEs and algebraic equations\n')
141    fd.write('Version: %s\n' % self.petscdir.version)
142
143    fd.write('Cflags: '+self.allincludes+'\n')
144
145    plibs = self.libraries.toStringNoDupes(['-L'+os.path.join(self.petscdir.dir,self.arch.arch,'lib'),' -lpetsc'])
146    if self.framework.argDB['prefix']:
147      fd.write('Libs: '+plibs.replace(os.path.join(self.petscdir.dir,self.arch.arch),self.framework.argDB['prefix'])+'\n')
148    else:
149      fd.write('Libs: '+plibs+'\n')
150    fd.write('Libs.private: '+' '.join(self.packagelibs+self.libraries.math+self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' ')))
151
152    fd.close()
153    return
154
155  def DumpModule(self):
156    ''' Create a module file '''
157    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules')):
158      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules'))
159    if self.framework.argDB['prefix']:
160      installdir  = self.framework.argDB['prefix']
161      installarch = ''
162      installpath = os.path.join(installdir,'bin')
163      fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules',self.petscdir.version),'w')
164    else:
165      installdir  = self.petscdir.dir
166      installarch = self.arch.arch
167      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
168      fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules',self.petscdir.version+'-'+self.arch.arch),'w')
169    fd.write('''\
170#%%Module
171
172proc ModulesHelp { } {
173    puts stderr "This module sets the path and environment variables for petsc-%s"
174    puts stderr "     see http://www.mcs.anl.gov/petsc/ for more information      "
175    puts stderr ""
176}
177module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
178
179set petsc_dir   %s
180set petsc_arch  %s
181
182setenv PETSC_ARCH $petsc_arch
183setenv PETSC_DIR $petsc_dir
184prepend-path PATH %s
185''' % (self.petscdir.version, installdir, installarch, installpath))
186    fd.close()
187    return
188
189  def Dump(self):
190    ''' Actually put the values into the configuration files '''
191    # eventually everything between -- should be gone
192#-----------------------------------------------------------------------------------------------------
193
194    # Sometimes we need C compiler, even if built with C++
195    self.setCompilers.pushLanguage('C')
196    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
197    self.setCompilers.popLanguage()
198
199    # C preprocessor values
200    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS+self.CHUD.CPPFLAGS)
201
202    # compiler values
203    self.setCompilers.pushLanguage(self.languages.clanguage)
204    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
205    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
206    self.setCompilers.popLanguage()
207    # .o or .obj
208    self.addMakeMacro('CC_SUFFIX','o')
209
210    # executable linker values
211    self.setCompilers.pushLanguage(self.languages.clanguage)
212    pcc_linker = self.setCompilers.getLinker()
213    self.addMakeMacro('PCC_LINKER',pcc_linker)
214    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
215    self.setCompilers.popLanguage()
216    # '' for Unix, .exe for Windows
217    self.addMakeMacro('CC_LINKER_SUFFIX','')
218
219    if hasattr(self.compilers, 'FC'):
220      self.setCompilers.pushLanguage('FC')
221      # need FPPFLAGS in config/setCompilers
222      self.addDefine('HAVE_FORTRAN','1')
223      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
224
225      # compiler values
226      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
227      self.setCompilers.popLanguage()
228      # .o or .obj
229      self.addMakeMacro('FC_SUFFIX','o')
230
231      # executable linker values
232      self.setCompilers.pushLanguage('FC')
233      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
234      fc_linker = self.setCompilers.getLinker()
235      if config.setCompilers.Configure.isNAG(fc_linker):
236        self.addMakeMacro('FC_LINKER',pcc_linker)
237      else:
238        self.addMakeMacro('FC_LINKER',fc_linker)
239      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
240      # apple requires this shared library linker flag on SOME versions of the os
241      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
242        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
243      self.setCompilers.popLanguage()
244
245      # F90 Modules
246      if self.setCompilers.fortranModuleIncludeFlag:
247        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
248      else: # for non-f90 compilers like g77
249        self.addMakeMacro('FC_MODULE_FLAG', '-I')
250      if self.setCompilers.fortranModuleIncludeFlag:
251        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
252    else:
253      self.addMakeMacro('FC','')
254
255    if hasattr(self.compilers, 'CUDAC'):
256      self.setCompilers.pushLanguage('CUDA')
257      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
258      self.setCompilers.popLanguage()
259
260    # shared library linker values
261    self.setCompilers.pushLanguage(self.languages.clanguage)
262    # need to fix BuildSystem to collect these separately
263    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
264    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
265    self.setCompilers.popLanguage()
266    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
267    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
268    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
269      self.addMakeMacro('SL_LINKER_SUFFIX', '')
270      self.addDefine('SLSUFFIX','""')
271    else:
272      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
273      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
274
275    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
276
277#-----------------------------------------------------------------------------------------------------
278
279    # CONLY or CPP. We should change the PETSc makefiles to do this better
280    if self.languages.clanguage == 'C': lang = 'CONLY'
281    else: lang = 'CXXONLY'
282    self.addMakeMacro('PETSC_LANGUAGE',lang)
283
284    # real or complex
285    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
286    # double or float
287    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
288
289    if self.framework.argDB['with-batch']:
290      self.addMakeMacro('PETSC_WITH_BATCH','1')
291
292    # Test for compiler-specific macros that need to be defined.
293    if self.setCompilers.isCrayVector('CC'):
294      self.addDefine('HAVE_CRAY_VECTOR','1')
295
296#-----------------------------------------------------------------------------------------------------
297    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
298      self.addDefine('USE_SOCKET_VIEWER','1')
299      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
300        self.addDefine('HAVE_SO_REUSEADDR','1')
301
302#-----------------------------------------------------------------------------------------------------
303    # print include and lib for makefiles
304    self.framework.packages.reverse()
305    includes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
306    libs = []
307    for i in self.framework.packages:
308      if i.useddirectly:
309        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
310      if not isinstance(i.lib, list):
311        i.lib = [i.lib]
312      libs.extend(i.lib)
313      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
314      if hasattr(i,'include'):
315        if not isinstance(i.include,list):
316          i.include = [i.include]
317        includes.extend(i.include)
318        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
319    self.packagelibs = libs
320    if self.framework.argDB['with-single-library']:
321      self.alllibs = self.libraries.toStringNoDupes(['-L'+os.path.join(self.petscdir.dir,self.arch.arch,'lib'),' -lpetsc']+libs+self.libraries.math+self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' '))+self.CHUD.LIBS
322      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.alllibs)
323    else:
324      self.alllibs = self.libraries.toStringNoDupes(['-L'+os.path.join(self.petscdir.dir,self.arch.arch,'lib'),'-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys']+libs+self.libraries.math+self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' '))+self.CHUD.LIBS
325    self.addMakeMacro('PETSC_EXTERNAL_LIB_BASIC',self.libraries.toStringNoDupes(libs+self.libraries.math+self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' '))+self.CHUD.LIBS)
326    self.PETSC_EXTERNAL_LIB_BASIC = self.libraries.toStringNoDupes(libs+self.libraries.math+self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' '))+self.CHUD.LIBS
327    self.allincludes = self.headers.toStringNoDupes(includes)
328    self.addMakeMacro('PETSC_CC_INCLUDES',self.allincludes)
329    self.PETSC_CC_INCLUDES = self.allincludes
330    if hasattr(self.compilers, 'FC'):
331      if self.compilers.fortranIsF90:
332        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes,includes))
333      else:
334        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes))
335
336    self.addMakeMacro('DESTDIR',self.installdir)
337    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir,'lib')+'"')
338
339    if self.framework.argDB['with-single-library']:
340      # overrides the values set in conf/variables
341      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
342      self.addMakeMacro('SHLIBS','libpetsc')
343      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
344      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
345      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
346      self.addDefine('USE_SINGLE_LIBRARY', '1')
347      if self.sharedlibraries.useShared:
348        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
349        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
350        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
351        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
352        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
353        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
354        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
355        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
356        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
357        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
358      else:
359        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
360        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
361        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
362        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
363        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
364        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
365        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
366        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
367        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
368        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
369
370    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
371      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
372
373    # add a makefile entry for configure options
374    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
375    return
376
377  def dumpConfigInfo(self):
378    import time
379    fd = file(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
380    fd.write('static const char *petscconfigureruntime = "'+time.ctime(time.time())+'";\n')
381    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
382    fd.close()
383    return
384
385  def dumpMachineInfo(self):
386    import platform
387    import time
388    import script
389    def escape(s):
390      return s.replace('"',r'\"').replace(r'\ ',r'\\ ')
391    fd = file(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
392    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
393    fd.write('\"-----------------------------------------\\n\"\n')
394    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (time.ctime(time.time()), platform.node()))
395    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
396    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.petscdir.dir)))
397    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.arch.arch)))
398    fd.write('\"-----------------------------------------\\n\";\n')
399    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
400    self.setCompilers.pushLanguage(self.languages.clanguage)
401    fd.write('\"Using C compiler: %s %s ${COPTFLAGS} ${CFLAGS}\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
402    self.setCompilers.popLanguage()
403    if hasattr(self.compilers, 'FC'):
404      self.setCompilers.pushLanguage('FC')
405      fd.write('\"Using Fortran compiler: %s %s ${FOPTFLAGS} ${FFLAGS} %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
406      self.setCompilers.popLanguage()
407    fd.write('\"-----------------------------------------\\n\";\n')
408    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
409    fd.write('\"Using include paths: %s %s %s\\n\"\n' % ('-I'+escape(os.path.join(self.petscdir.dir, self.arch.arch, 'include')), '-I'+escape(os.path.join(self.petscdir.dir, 'include')), escape(self.PETSC_CC_INCLUDES)))
410    fd.write('\"-----------------------------------------\\n\";\n')
411    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
412    self.setCompilers.pushLanguage(self.languages.clanguage)
413    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
414    self.setCompilers.popLanguage()
415    if hasattr(self.compilers, 'FC'):
416      self.setCompilers.pushLanguage('FC')
417      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
418      self.setCompilers.popLanguage()
419    if self.framework.argDB['with-single-library']:
420      petsclib = '-lpetsc'
421    else:
422      petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
423    fd.write('\"Using libraries: %s%s -L%s %s %s\\n\"\n' % (escape(self.setCompilers.CSharedLinkerFlag), escape(os.path.join(self.petscdir.dir, self.arch.arch, 'lib')), escape(os.path.join(self.petscdir.dir, self.arch.arch, 'lib')), escape(petsclib), escape(self.PETSC_EXTERNAL_LIB_BASIC)))
424    fd.write('\"-----------------------------------------\\n\";\n')
425    fd.close()
426    return
427
428  def dumpCMakeConfig(self):
429    '''
430    Writes configuration-specific values to ${PETSC_ARCH}/conf/PETScConfig.cmake.
431    This file is private to PETSc and should not be included by third parties
432    (a suitable file can be produced later by CMake, but this is not it).
433    '''
434    def cmakeset(fd,key,val=True):
435      if val == True: val = 'YES'
436      if val == False: val = 'NO'
437      fd.write('set (' + key + ' ' + val + ')\n')
438    def ensurelist(a):
439      if isinstance(a,list):
440        return a
441      else:
442        return [a]
443    def libpath(lib):
444      'Returns a search path if that is what this item provides, else "" which will be cleaned out later'
445      if not isinstance(lib,str): return ''
446      if lib.startswith('-L'): return lib[2:]
447      if lib.startswith('-R'): return lib[2:]
448      if lib.startswith('-Wl,-rpath,'):
449        # This case occurs when an external package needs a specific system library that is normally provided by the compiler.
450        # In other words, the -L path is builtin to the wrapper or compiler, here we provide it so that CMake can locate the
451        # corresponding library.
452        return lib[len('-Wl,-rpath,'):]
453      if lib.startswith('-'): return ''
454      return os.path.dirname(lib)
455    def cleanlib(lib):
456      'Returns a library name if that is what this item provides, else "" which will be cleaned out later'
457      if not isinstance(lib,str): return ''
458      if lib.startswith('-l'):  return lib[2:]
459      if lib.startswith('-Wl') or lib.startswith('-L'): return ''
460      lib = os.path.splitext(os.path.basename(lib))[0]
461      if lib.startswith('lib'): return lib[3:]
462      return lib
463    def nub(lst):
464      'Return a list containing the first occurrence of each unique element'
465      unique = []
466      for elem in lst:
467        if elem not in unique and elem != '':
468          unique.append(elem)
469      return unique
470    try: reversed # reversed was added in Python-2.4
471    except NameError:
472      def reversed(lst): return lst[::-1]
473    def nublast(lst):
474      'Return a list containing the last occurrence of each unique entry in a list'
475      return reversed(nub(reversed(lst)))
476    def cmakeexpand(varname):
477      return r'"${' + varname + r'}"'
478    def uniqextend(lst,new):
479      for x in ensurelist(new):
480        if x not in lst:
481          lst.append(x)
482    def notstandardinclude(path):
483      return path not in '/usr/include'.split() # /usr/local/include is not automatically included on FreeBSD
484    def writeMacroDefinitions(fd):
485      if self.mpi.usingMPIUni:
486        cmakeset(fd,'PETSC_HAVE_MPIUNI')
487      for pkg in self.framework.packages:
488        if pkg.useddirectly:
489          cmakeset(fd,'PETSC_HAVE_' + pkg.PACKAGE.replace('-','_'))
490        for pair in pkg.defines.items():
491          if pair[0].startswith('HAVE_') and pair[1]:
492            cmakeset(fd, self.framework.getFullDefineName(pkg, pair[0]), pair[1])
493      for name,val in self.functions.defines.items():
494        cmakeset(fd,'PETSC_'+name,val)
495      for dct in [self.defines, self.libraryoptions.defines]:
496        for k,v in dct.items():
497          if k.startswith('USE_'):
498            cmakeset(fd,'PETSC_' + k, v)
499      cmakeset(fd,'PETSC_USE_COMPLEX', self.scalartypes.scalartype == 'complex')
500      cmakeset(fd,'PETSC_USE_REAL_' + self.scalartypes.precision.upper())
501      cmakeset(fd,'PETSC_CLANGUAGE_'+self.languages.clanguage)
502      if hasattr(self.compilers, 'FC'):
503        cmakeset(fd,'PETSC_HAVE_FORTRAN')
504        if self.compilers.fortranIsF90:
505          cmakeset(fd,'PETSC_USING_F90')
506        if self.compilers.fortranIsF2003:
507          cmakeset(fd,'PETSC_USING_F2003')
508      if hasattr(self.compilers, 'CXX'):
509        cmakeset(fd,'PETSC_HAVE_CXX')
510      if self.sharedlibraries.useShared:
511        cmakeset(fd,'BUILD_SHARED_LIBS')
512    def writeBuildFlags(fd):
513      def extendby(lib):
514        libs = ensurelist(lib)
515        lib_paths.extend(map(libpath,libs))
516        lib_libs.extend(map(cleanlib,libs))
517      lib_paths = []
518      lib_libs  = []
519      includes  = []
520      libvars   = []
521      for pkg in self.framework.packages:
522        extendby(pkg.lib)
523        uniqextend(includes,pkg.include)
524      extendby(self.libraries.math)
525      extendby(self.libraries.rt)
526      extendby(self.compilers.flibs)
527      extendby(self.compilers.cxxlibs)
528      extendby(self.compilers.LIBS.split())
529      for libname in nublast(lib_libs):
530        libvar = 'PETSC_' + libname.upper() + '_LIB'
531        addpath = ''
532        for lpath in nublast(lib_paths):
533          addpath += '"' + str(lpath) + '" '
534        fd.write('find_library (' + libvar + ' ' + libname + ' HINTS ' + addpath + ')\n')
535        libvars.append(libvar)
536      fd.write('mark_as_advanced (' + ' '.join(libvars) + ')\n')
537      fd.write('set (PETSC_PACKAGE_LIBS ' + ' '.join(map(cmakeexpand,libvars)) + ')\n')
538      includes = filter(notstandardinclude,includes)
539      fd.write('set (PETSC_PACKAGE_INCLUDES ' + ' '.join(map(lambda i: '"'+i+'"',includes)) + ')\n')
540    fd = open(os.path.join(self.arch.arch,'conf','PETScConfig.cmake'), 'w')
541    writeMacroDefinitions(fd)
542    writeBuildFlags(fd)
543    fd.close()
544    return
545
546  def dumpCMakeLists(self):
547    import sys
548    if sys.version_info >= (2,4):
549      import cmakegen
550      try:
551        cmakegen.main(self.petscdir.dir, log=self.framework.log)
552      except (OSError), e:
553        self.framework.logPrint('Generating CMakeLists.txt failed:\n' + str(e))
554    else:
555      self.framework.logPrint('Skipping cmakegen due to old python version: ' +str(sys.version_info) )
556
557  def cmakeBoot(self):
558    import sys
559    self.cmakeboot_success = False
560    if sys.version_info >= (2,4) and hasattr(self.cmake,'cmake'):
561      try:
562        import cmakeboot
563        self.cmakeboot_success = cmakeboot.main(petscdir=self.petscdir.dir,petscarch=self.arch.arch,argDB=self.argDB,framework=self.framework,log=self.framework.log)
564      except (OSError), e:
565        self.framework.logPrint('Booting CMake in PETSC_ARCH failed:\n' + str(e))
566      except (ImportError, KeyError), e:
567        self.framework.logPrint('Importing cmakeboot failed:\n' + str(e))
568      if self.cmakeboot_success:
569        if hasattr(self.compilers, 'FC') and self.compilers.fortranIsF90 and not self.setCompilers.fortranModuleOutputFlag:
570          self.framework.logPrint('CMake configured successfully, but could not be used by default because of missing fortranModuleOutputFlag\n')
571        else:
572          self.framework.logPrint('CMake configured successfully, using as default build\n')
573          self.addMakeMacro('PETSC_BUILD_USING_CMAKE',1)
574      else:
575        self.framework.logPrint('CMake configuration was unsuccessful\n')
576    else:
577      self.framework.logPrint('Skipping cmakeboot due to old python version: ' +str(sys.version_info) )
578    return
579
580  def configurePrefetch(self):
581    '''Sees if there are any prefetch functions supported'''
582    if config.setCompilers.Configure.isSolaris() or self.framework.argDB['with-ios']:
583      self.addDefine('Prefetch(a,b,c)', ' ')
584      return
585    self.pushLanguage(self.languages.clanguage)
586    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
587      # The Intel Intrinsics manual [1] specifies the prototype
588      #
589      #   void _mm_prefetch(char const *a, int sel);
590      #
591      # but other vendors seem to insist on using subtly different
592      # prototypes, including void* for the pointer, and an enum for
593      # sel.  These are both reasonable changes, but negatively impact
594      # portability.
595      #
596      # [1] http://software.intel.com/file/6373
597      self.addDefine('HAVE_XMMINTRIN_H', 1)
598      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
599      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
600      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
601      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
602      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
603    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
604      self.addDefine('HAVE_XMMINTRIN_H', 1)
605      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
606      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
607      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
608      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
609      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
610    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
611      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
612      #
613      #   The value of rw is a compile-time constant one or zero; one
614      #   means that the prefetch is preparing for a write to the memory
615      #   address and zero, the default, means that the prefetch is
616      #   preparing for a read. The value locality must be a compile-time
617      #   constant integer between zero and three. A value of zero means
618      #   that the data has no temporal locality, so it need not be left
619      #   in the cache after the access. A value of three means that the
620      #   data has a high degree of temporal locality and should be left
621      #   in all levels of cache possible. Values of one and two mean,
622      #   respectively, a low or moderate degree of temporal locality.
623      #
624      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
625      # hints.  Using macros for these values in necessary since some
626      # compilers require an enum.
627      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
628      self.addDefine('PREFETCH_HINT_NTA', '0')
629      self.addDefine('PREFETCH_HINT_T0',  '3')
630      self.addDefine('PREFETCH_HINT_T1',  '2')
631      self.addDefine('PREFETCH_HINT_T2',  '1')
632    else:
633      self.addDefine('Prefetch(a,b,c)', ' ')
634    self.popLanguage()
635
636  def configureFeatureTestMacros(self):
637    '''Checks if certain feature test macros are support'''
638    if self.checkCompile('#define _POSIX_C_SOURCE 200112L\n#include <sysctl.h>',''):
639       self.addDefine('_POSIX_C_SOURCE_200112L', '1')
640    if self.checkCompile('#define _BSD_SOURCE\n#include<stdlib.h>',''):
641       self.addDefine('_BSD_SOURCE', '1')
642    if self.checkCompile('#define _GNU_SOURCE\n#include <sched.h>','cpu_set_t mset;\nCPU_ZERO(&mset);'):
643       self.addDefine('_GNU_SOURCE', '1')
644
645  def configureAtoll(self):
646    '''Checks if atoll exists'''
647    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")'):
648       self.addDefine('HAVE_ATOLL', '1')
649
650  def configureUnused(self):
651    '''Sees if __attribute((unused)) is supported'''
652    if self.framework.argDB['with-ios']:
653      self.addDefine('UNUSED', ' ')
654      return
655    self.pushLanguage(self.languages.clanguage)
656    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'):
657      self.addDefine('UNUSED', '__attribute((unused))')
658    else:
659      self.addDefine('UNUSED', ' ')
660    self.popLanguage()
661
662  def configureDeprecated(self):
663    '''Check if __attribute((deprecated)) is supported'''
664    self.pushLanguage(self.languages.clanguage)
665    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
666    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
667    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
668    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
669    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the the gcc
670    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
671    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
672    ## why we can't have nice things.
673    #
674    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
675    #   self.addDefine('DEPRECATED(why)', '__attribute((deprecated(why)))')
676    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
677      self.addDefine('DEPRECATED(why)', '__attribute((deprecated))')
678    else:
679      self.addDefine('DEPRECATED(why)', ' ')
680    self.popLanguage()
681
682  def configureExpect(self):
683    '''Sees if the __builtin_expect directive is supported'''
684    self.pushLanguage(self.languages.clanguage)
685    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
686      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
687    self.popLanguage()
688
689  def configureFunctionName(self):
690    '''Sees if the compiler supports __func__ or a variant.  Falls back
691    on __FUNCT__ which PETSc source defines, but most users do not, thus
692    stack traces through user code are better when the compiler's
693    variant is used.'''
694    def getFunctionName(lang):
695      name = '__FUNCT__'
696      self.pushLanguage(lang)
697      if self.checkLink('', "if (__func__[0] != 'm') return 1;"):
698        name = '__func__'
699      elif self.checkLink('', "if (__FUNCTION__[0] != 'm') return 1;"):
700        name = '__FUNCTION__'
701      self.popLanguage()
702      return name
703    langs = []
704
705    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
706    if hasattr(self.compilers, 'CXX'):
707      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
708    else:
709      self.addDefine('FUNCTION_NAME_CXX', '__FUNCT__')
710
711  def configureIntptrt(self):
712    '''Determine what to use for uintptr_t'''
713    def staticAssertSizeMatchesVoidStar(inc,typename):
714      # The declaration is an error if either array size is negative.
715      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
716      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
717                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
718    self.pushLanguage(self.languages.clanguage)
719    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
720      self.addDefine('UINTPTR_T', 'uintptr_t')
721    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
722      self.addDefine('UINTPTR_T', 'unsigned long long')
723    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
724      self.addDefine('UINTPTR_T', 'size_t')
725    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
726      self.addDefine('UINTPTR_T', 'unsigned long')
727    elif staticAssertSizeMatchesVoidStar('','unsigned'):
728      self.addDefine('UINTPTR_T', 'unsigned')
729    else:
730      raise RuntimeError('Could not find any unsigned integer type matching void*')
731    self.popLanguage()
732
733  def configureInline(self):
734    '''Get a generic inline keyword, depending on the language'''
735    if self.languages.clanguage == 'C':
736      self.addDefine('STATIC_INLINE', self.compilers.cStaticInlineKeyword)
737      self.addDefine('RESTRICT', self.compilers.cRestrict)
738    elif self.languages.clanguage == 'Cxx':
739      self.addDefine('STATIC_INLINE', self.compilers.cxxStaticInlineKeyword)
740      self.addDefine('RESTRICT', self.compilers.cxxRestrict)
741
742    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
743      self.addDefine('RTLD_DEFAULT','1')
744    return
745
746  def configureSolaris(self):
747    '''Solaris specific stuff'''
748    if os.path.isdir(os.path.join('/usr','ucblib')):
749      try:
750        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
751      except AttributeError:
752        flag = None
753      if flag is None:
754        self.compilers.LIBS += ' -L/usr/ucblib'
755      else:
756        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
757    return
758
759  def configureLinux(self):
760    '''Linux specific stuff'''
761    # TODO: Test for this by mallocing an odd number of floats and checking the address
762    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
763    return
764
765  def configureWin32(self):
766    '''Win32 non-cygwin specific stuff'''
767    kernel32=0
768    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
769      self.addDefine('HAVE_WINDOWS_H',1)
770      self.addDefine('HAVE_GETCOMPUTERNAME',1)
771      kernel32=1
772    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
773      self.addDefine('HAVE_WINDOWS_H',1)
774      self.addDefine('HAVE_GETCOMPUTERNAME',1)
775      kernel32=1
776    if kernel32:
777      if self.framework.argDB['with-windows-graphics']:
778        self.addDefine('USE_WINDOWS_GRAPHICS',1)
779      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
780        self.addDefine('HAVE_LOADLIBRARY',1)
781      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
782        self.addDefine('HAVE_GETPROCADDRESS',1)
783      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
784        self.addDefine('HAVE_FREELIBRARY',1)
785      if self.checkLink('#include <Windows.h>','GetLastError()'):
786        self.addDefine('HAVE_GETLASTERROR',1)
787      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
788        self.addDefine('HAVE_SETLASTERROR',1)
789      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
790        self.addDefine('USE_MICROSOFT_TIME',1)
791    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
792      self.addDefine('HAVE_GET_USER_NAME',1)
793    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
794      self.addDefine('HAVE_GET_USER_NAME',1)
795
796    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
797      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
798    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
799      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
800
801    self.types.check('int32_t', 'int')
802    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
803      self.addTypedef('int', 'uid_t')
804      self.addTypedef('int', 'gid_t')
805    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
806      self.framework.addDefine('R_OK', '04')
807      self.framework.addDefine('W_OK', '02')
808      self.framework.addDefine('X_OK', '01')
809    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
810      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
811      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
812    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
813      self.addDefine('HAVE_LARGE_INTEGER_U',1)
814
815    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
816    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
817      self.addDefine('HAVE_O_BINARY',1)
818
819    if self.compilers.CC.find('win32fe') >= 0:
820      self.addDefine('PATH_SEPARATOR','\';\'')
821      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
822      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
823      self.addDefine('CANNOT_START_DEBUGGER',1)
824    else:
825      self.addDefine('PATH_SEPARATOR','\':\'')
826      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
827      self.addDefine('DIR_SEPARATOR','\'/\'')
828
829    return
830
831#-----------------------------------------------------------------------------------------------------
832  def configureDefaultArch(self):
833    conffile = os.path.join('conf', 'petscvariables')
834    if self.framework.argDB['with-default-arch']:
835      fd = file(conffile, 'w')
836      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
837      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
838      fd.write('include '+os.path.join(self.petscdir.dir,self.arch.arch,'conf','petscvariables')+'\n')
839      fd.close()
840      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
841    elif os.path.isfile(conffile):
842      try:
843        os.unlink(conffile)
844      except:
845        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
846    return
847
848#-----------------------------------------------------------------------------------------------------
849  def configureScript(self):
850    '''Output a script in the conf directory which will reproduce the configuration'''
851    import nargs
852    import sys
853    scriptName = os.path.join(self.arch.arch,'conf', 'reconfigure-'+self.arch.arch+'.py')
854    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
855    if 'configModules' in args:
856      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
857        del args['configModules']
858    if 'optionsModule' in args:
859      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'PETSc.compilerOptions':
860        del args['optionsModule']
861    if not 'PETSC_ARCH' in args:
862      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
863    f = file(scriptName, 'w')
864    f.write('#!'+sys.executable+'\n')
865    f.write('if __name__ == \'__main__\':\n')
866    f.write('  import sys\n')
867    f.write('  import os\n')
868    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
869    f.write('  import configure\n')
870    # pretty print repr(args.values())
871    f.write('  configure_options = [\n')
872    for itm in sorted(args.values()):
873      f.write('    \''+str(itm)+'\',\n')
874    f.write('  ]\n')
875    f.write('  configure.petsc_configure(configure_options)\n')
876    f.close()
877    try:
878      os.chmod(scriptName, 0775)
879    except OSError, e:
880      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
881    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
882    return
883
884  def configureInstall(self):
885    '''Setup the directories for installation'''
886    if self.framework.argDB['prefix']:
887      self.installdir = self.framework.argDB['prefix']
888      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do:"',\
889                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
890                                              '-@echo "========================================="'])
891    else:
892      self.installdir = os.path.join(self.petscdir.dir,self.arch.arch)
893      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do:"',\
894                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} test"',\
895                                              '-@echo "========================================="'])
896      return
897
898  def configureGCOV(self):
899    if self.framework.argDB['with-gcov']:
900      self.addDefine('USE_GCOV','1')
901    return
902
903  def configureFortranFlush(self):
904    if hasattr(self.compilers, 'FC'):
905      for baseName in ['flush','flush_']:
906        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
907          self.addDefine('HAVE_'+baseName.upper(), 1)
908          return
909
910  def postProcessPackages(self):
911    postPackages=[]
912    for i in self.framework.packages:
913      if hasattr(i,'postProcess'): postPackages.append(i)
914    if postPackages:
915      # ctetgen needs petsc conf files. so attempt to create them early
916      self.framework.dumpConfFiles()
917      for i in postPackages: i.postProcess()
918    return
919
920  def configure(self):
921    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
922      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
923    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
924      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
925    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)):
926      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
927    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
928    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
929    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'conf','petscvariables')
930    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'conf','petscrules')
931    if self.libraries.math is None:
932      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
933    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
934      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
935    self.executeTest(self.configureInline)
936    self.executeTest(self.configurePrefetch)
937    self.executeTest(self.configureUnused)
938    self.executeTest(self.configureDeprecated)
939    self.executeTest(self.configureExpect);
940    self.executeTest(self.configureFunctionName);
941    self.executeTest(self.configureIntptrt);
942    self.executeTest(self.configureSolaris)
943    self.executeTest(self.configureLinux)
944    self.executeTest(self.configureWin32)
945    self.executeTest(self.configureDefaultArch)
946    self.executeTest(self.configureScript)
947    self.executeTest(self.configureInstall)
948    self.executeTest(self.configureGCOV)
949    self.executeTest(self.configureFortranFlush)
950    self.executeTest(self.configureFeatureTestMacros)
951    self.executeTest(self.configureAtoll)
952    # dummy rules, always needed except for remote builds
953    self.addMakeRule('remote','')
954    self.addMakeRule('remoteclean','')
955
956    self.Dump()
957    self.dumpConfigInfo()
958    self.dumpMachineInfo()
959    self.postProcessPackages()
960    self.dumpCMakeConfig()
961    self.dumpCMakeLists()
962    self.cmakeBoot()
963    self.DumpPkgconfig()
964    self.DumpModule()
965    self.framework.log.write('================================================================================\n')
966    self.logClear()
967    return
968