xref: /petsc/config/PETSc/Configure.py (revision bdb70873f5800cb980c75c19ef1471498cb91d39)
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','sched','pthread','mathimf'])
95    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname',
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','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 configureRTLDDefault(self):
734    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
735      self.addDefine('RTLD_DEFAULT','1')
736    return
737
738  def configureSolaris(self):
739    '''Solaris specific stuff'''
740    if os.path.isdir(os.path.join('/usr','ucblib')):
741      try:
742        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
743      except AttributeError:
744        flag = None
745      if flag is None:
746        self.compilers.LIBS += ' -L/usr/ucblib'
747      else:
748        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
749    return
750
751  def configureLinux(self):
752    '''Linux specific stuff'''
753    # TODO: Test for this by mallocing an odd number of floats and checking the address
754    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
755    return
756
757  def configureWin32(self):
758    '''Win32 non-cygwin specific stuff'''
759    kernel32=0
760    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
761      self.addDefine('HAVE_WINDOWS_H',1)
762      self.addDefine('HAVE_GETCOMPUTERNAME',1)
763      kernel32=1
764    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
765      self.addDefine('HAVE_WINDOWS_H',1)
766      self.addDefine('HAVE_GETCOMPUTERNAME',1)
767      kernel32=1
768    if kernel32:
769      if self.framework.argDB['with-windows-graphics']:
770        self.addDefine('USE_WINDOWS_GRAPHICS',1)
771      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
772        self.addDefine('HAVE_LOADLIBRARY',1)
773      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
774        self.addDefine('HAVE_GETPROCADDRESS',1)
775      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
776        self.addDefine('HAVE_FREELIBRARY',1)
777      if self.checkLink('#include <Windows.h>','GetLastError()'):
778        self.addDefine('HAVE_GETLASTERROR',1)
779      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
780        self.addDefine('HAVE_SETLASTERROR',1)
781      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
782        self.addDefine('USE_MICROSOFT_TIME',1)
783    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
784      self.addDefine('HAVE_GET_USER_NAME',1)
785    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
786      self.addDefine('HAVE_GET_USER_NAME',1)
787
788    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
789      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
790    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
791      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
792
793    self.types.check('int32_t', 'int')
794    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
795      self.addTypedef('int', 'uid_t')
796      self.addTypedef('int', 'gid_t')
797    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
798      self.framework.addDefine('R_OK', '04')
799      self.framework.addDefine('W_OK', '02')
800      self.framework.addDefine('X_OK', '01')
801    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
802      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
803      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
804    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
805      self.addDefine('HAVE_LARGE_INTEGER_U',1)
806
807    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
808    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
809      self.addDefine('HAVE_O_BINARY',1)
810
811    if self.compilers.CC.find('win32fe') >= 0:
812      self.addDefine('PATH_SEPARATOR','\';\'')
813      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
814      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
815      self.addDefine('CANNOT_START_DEBUGGER',1)
816    else:
817      self.addDefine('PATH_SEPARATOR','\':\'')
818      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
819      self.addDefine('DIR_SEPARATOR','\'/\'')
820
821    return
822
823#-----------------------------------------------------------------------------------------------------
824  def configureDefaultArch(self):
825    conffile = os.path.join('conf', 'petscvariables')
826    if self.framework.argDB['with-default-arch']:
827      fd = file(conffile, 'w')
828      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
829      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
830      fd.write('include '+os.path.join(self.petscdir.dir,self.arch.arch,'conf','petscvariables')+'\n')
831      fd.close()
832      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
833    elif os.path.isfile(conffile):
834      try:
835        os.unlink(conffile)
836      except:
837        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
838    return
839
840#-----------------------------------------------------------------------------------------------------
841  def configureScript(self):
842    '''Output a script in the conf directory which will reproduce the configuration'''
843    import nargs
844    import sys
845    scriptName = os.path.join(self.arch.arch,'conf', 'reconfigure-'+self.arch.arch+'.py')
846    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
847    if 'configModules' in args:
848      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
849        del args['configModules']
850    if 'optionsModule' in args:
851      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'PETSc.compilerOptions':
852        del args['optionsModule']
853    if not 'PETSC_ARCH' in args:
854      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
855    f = file(scriptName, 'w')
856    f.write('#!'+sys.executable+'\n')
857    f.write('if __name__ == \'__main__\':\n')
858    f.write('  import sys\n')
859    f.write('  import os\n')
860    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
861    f.write('  import configure\n')
862    # pretty print repr(args.values())
863    f.write('  configure_options = [\n')
864    for itm in sorted(args.values()):
865      f.write('    \''+str(itm)+'\',\n')
866    f.write('  ]\n')
867    f.write('  configure.petsc_configure(configure_options)\n')
868    f.close()
869    try:
870      os.chmod(scriptName, 0775)
871    except OSError, e:
872      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
873    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
874    return
875
876  def configureInstall(self):
877    '''Setup the directories for installation'''
878    if self.framework.argDB['prefix']:
879      self.installdir = self.framework.argDB['prefix']
880      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do:"',\
881                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
882                                              '-@echo "========================================="'])
883    else:
884      self.installdir = os.path.join(self.petscdir.dir,self.arch.arch)
885      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do:"',\
886                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} test"',\
887                                              '-@echo "========================================="'])
888      return
889
890  def configureGCOV(self):
891    if self.framework.argDB['with-gcov']:
892      self.addDefine('USE_GCOV','1')
893    return
894
895  def configureFortranFlush(self):
896    if hasattr(self.compilers, 'FC'):
897      for baseName in ['flush','flush_']:
898        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
899          self.addDefine('HAVE_'+baseName.upper(), 1)
900          return
901
902  def postProcessPackages(self):
903    postPackages=[]
904    for i in self.framework.packages:
905      if hasattr(i,'postProcess'): postPackages.append(i)
906    if postPackages:
907      # ctetgen needs petsc conf files. so attempt to create them early
908      self.framework.dumpConfFiles()
909      for i in postPackages: i.postProcess()
910    return
911
912  def configure(self):
913    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
914      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
915    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
916      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
917    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)):
918      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
919    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
920    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
921    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'conf','petscvariables')
922    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'conf','petscrules')
923    if self.libraries.math is None:
924      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
925    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
926      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
927    self.executeTest(self.configureRTLDDefault)
928    self.executeTest(self.configurePrefetch)
929    self.executeTest(self.configureUnused)
930    self.executeTest(self.configureDeprecated)
931    self.executeTest(self.configureExpect);
932    self.executeTest(self.configureFunctionName);
933    self.executeTest(self.configureIntptrt);
934    self.executeTest(self.configureSolaris)
935    self.executeTest(self.configureLinux)
936    self.executeTest(self.configureWin32)
937    self.executeTest(self.configureDefaultArch)
938    self.executeTest(self.configureScript)
939    self.executeTest(self.configureInstall)
940    self.executeTest(self.configureGCOV)
941    self.executeTest(self.configureFortranFlush)
942    self.executeTest(self.configureFeatureTestMacros)
943    self.executeTest(self.configureAtoll)
944    # dummy rules, always needed except for remote builds
945    self.addMakeRule('remote','')
946    self.addMakeRule('remoteclean','')
947
948    self.Dump()
949    self.dumpConfigInfo()
950    self.dumpMachineInfo()
951    self.postProcessPackages()
952    self.dumpCMakeConfig()
953    self.dumpCMakeLists()
954    self.cmakeBoot()
955    self.DumpPkgconfig()
956    self.DumpModule()
957    self.framework.log.write('================================================================================\n')
958    self.logClear()
959    return
960