xref: /petsc/config/PETSc/Configure.py (revision 047240e14af00aad1ef65e96f6fface8924f7f7e)
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'])
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',
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    else:
164      installdir  = self.petscdir.dir
165      installarch = self.arch.arch
166      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
167    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules',self.petscdir.version+'-'+self.arch.arch),'w')
168    fd.write('''\
169#%%Module
170
171proc ModulesHelp { } {
172    puts stderr "This module sets the path and environment variables for petsc-%s"
173    puts stderr "     see http://www.mcs.anl.gov/petsc/ for more information      "
174    puts stderr ""
175}
176module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
177
178set petsc_dir   %s
179set petsc_arch  %s
180
181setenv PETSC_ARCH $petsc_arch
182setenv PETSC_DIR $petsc_dir
183prepend-path PATH %s
184''' % (self.petscdir.version, installdir, installarch, installpath))
185    fd.close()
186    return
187
188  def Dump(self):
189    ''' Actually put the values into the configuration files '''
190    # eventually everything between -- should be gone
191#-----------------------------------------------------------------------------------------------------
192
193    # Sometimes we need C compiler, even if built with C++
194    self.setCompilers.pushLanguage('C')
195    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
196    self.setCompilers.popLanguage()
197
198    # C preprocessor values
199    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS+self.CHUD.CPPFLAGS)
200
201    # compiler values
202    self.setCompilers.pushLanguage(self.languages.clanguage)
203    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
204    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
205    self.setCompilers.popLanguage()
206    # .o or .obj
207    self.addMakeMacro('CC_SUFFIX','o')
208
209    # executable linker values
210    self.setCompilers.pushLanguage(self.languages.clanguage)
211    pcc_linker = self.setCompilers.getLinker()
212    self.addMakeMacro('PCC_LINKER',pcc_linker)
213    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
214    self.setCompilers.popLanguage()
215    # '' for Unix, .exe for Windows
216    self.addMakeMacro('CC_LINKER_SUFFIX','')
217
218    if hasattr(self.compilers, 'FC'):
219      self.setCompilers.pushLanguage('FC')
220      # need FPPFLAGS in config/setCompilers
221      self.addDefine('HAVE_FORTRAN','1')
222      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
223
224      # compiler values
225      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
226      self.setCompilers.popLanguage()
227      # .o or .obj
228      self.addMakeMacro('FC_SUFFIX','o')
229
230      # executable linker values
231      self.setCompilers.pushLanguage('FC')
232      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
233      fc_linker = self.setCompilers.getLinker()
234      if config.setCompilers.Configure.isNAG(fc_linker):
235        self.addMakeMacro('FC_LINKER',pcc_linker)
236      else:
237        self.addMakeMacro('FC_LINKER',fc_linker)
238      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
239      # apple requires this shared library linker flag on SOME versions of the os
240      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
241        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
242      self.setCompilers.popLanguage()
243
244      # F90 Modules
245      if self.setCompilers.fortranModuleIncludeFlag:
246        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
247      else: # for non-f90 compilers like g77
248        self.addMakeMacro('FC_MODULE_FLAG', '-I')
249      if self.setCompilers.fortranModuleIncludeFlag:
250        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
251    else:
252      self.addMakeMacro('FC','')
253
254    if hasattr(self.compilers, 'CUDAC'):
255      self.setCompilers.pushLanguage('CUDA')
256      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
257      self.setCompilers.popLanguage()
258
259    # shared library linker values
260    self.setCompilers.pushLanguage(self.languages.clanguage)
261    # need to fix BuildSystem to collect these separately
262    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
263    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
264    self.setCompilers.popLanguage()
265    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
266    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
267    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
268      self.addMakeMacro('SL_LINKER_SUFFIX', '')
269      self.addDefine('SLSUFFIX','""')
270    else:
271      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
272      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
273
274    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
275
276#-----------------------------------------------------------------------------------------------------
277
278    # CONLY or CPP. We should change the PETSc makefiles to do this better
279    if self.languages.clanguage == 'C': lang = 'CONLY'
280    else: lang = 'CXXONLY'
281    self.addMakeMacro('PETSC_LANGUAGE',lang)
282
283    # real or complex
284    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
285    # double or float
286    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
287
288    if self.framework.argDB['with-batch']:
289      self.addMakeMacro('PETSC_WITH_BATCH','1')
290
291    # Test for compiler-specific macros that need to be defined.
292    if self.setCompilers.isCrayVector('CC'):
293      self.addDefine('HAVE_CRAY_VECTOR','1')
294
295#-----------------------------------------------------------------------------------------------------
296    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
297      self.addDefine('USE_SOCKET_VIEWER','1')
298      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
299        self.addDefine('HAVE_SO_REUSEADDR','1')
300
301#-----------------------------------------------------------------------------------------------------
302    # print include and lib for makefiles
303    self.framework.packages.reverse()
304    includes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
305    libs = []
306    for i in self.framework.packages:
307      if i.useddirectly:
308        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
309      if not isinstance(i.lib, list):
310        i.lib = [i.lib]
311      libs.extend(i.lib)
312      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
313      if hasattr(i,'include'):
314        if not isinstance(i.include,list):
315          i.include = [i.include]
316        includes.extend(i.include)
317        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
318    self.packagelibs = libs
319    if self.framework.argDB['with-single-library']:
320      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
321      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.alllibs)
322    else:
323      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
324    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)
325    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
326    self.allincludes = self.headers.toStringNoDupes(includes)
327    self.addMakeMacro('PETSC_CC_INCLUDES',self.allincludes)
328    self.PETSC_CC_INCLUDES = self.allincludes
329    if hasattr(self.compilers, 'FC'):
330      if self.compilers.fortranIsF90:
331        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes,includes))
332      else:
333        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes))
334
335    self.addMakeMacro('DESTDIR',self.installdir)
336    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir,'lib')+'"')
337
338    if self.framework.argDB['with-single-library']:
339      # overrides the values set in conf/variables
340      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
341      self.addMakeMacro('SHLIBS','libpetsc')
342      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
343      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
344      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
345      self.addDefine('USE_SINGLE_LIBRARY', '1')
346      if self.sharedlibraries.useShared:
347        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
348        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
349        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
350        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
351        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
352        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
353        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
354        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
355        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
356        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
357      else:
358        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
359        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
360        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
361        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
362        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
363        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
364        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
365        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
366        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
367        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
368
369    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
370      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
371
372    # add a makefile entry for configure options
373    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
374    return
375
376  def dumpConfigInfo(self):
377    import time
378    fd = file(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
379    fd.write('static const char *petscconfigureruntime = "'+time.ctime(time.time())+'";\n')
380    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
381    fd.close()
382    return
383
384  def dumpMachineInfo(self):
385    import platform
386    import time
387    import script
388    fd = file(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
389    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
390    fd.write('\"-----------------------------------------\\n\"\n')
391    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (time.ctime(time.time()), platform.node()))
392    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
393    fd.write('\"Using PETSc directory: %s\\n\"\n' % (self.petscdir.dir))
394    fd.write('\"Using PETSc arch: %s\\n\"\n' % (self.arch.arch))
395    fd.write('\"-----------------------------------------\\n\";\n')
396    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
397    self.setCompilers.pushLanguage(self.languages.clanguage)
398    fd.write('\"Using C compiler: %s %s ${COPTFLAGS} ${CFLAGS}\\n\"\n' % (self.setCompilers.getCompiler(), self.setCompilers.getCompilerFlags()))
399    self.setCompilers.popLanguage()
400    if hasattr(self.compilers, 'FC'):
401      self.setCompilers.pushLanguage('FC')
402      fd.write('\"Using Fortran compiler: %s %s ${FOPTFLAGS} ${FFLAGS} %s\\n\"\n' % (self.setCompilers.getCompiler(), self.setCompilers.getCompilerFlags(), self.setCompilers.CPPFLAGS))
403      self.setCompilers.popLanguage()
404    fd.write('\"-----------------------------------------\\n\";\n')
405    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
406    fd.write('\"Using include paths: %s %s %s\\n\"\n' % ('-I'+os.path.join(self.petscdir.dir, self.arch.arch, 'include'), '-I'+os.path.join(self.petscdir.dir, 'include'), self.PETSC_CC_INCLUDES.replace('\\ ','\\\\ ')))
407    fd.write('\"-----------------------------------------\\n\";\n')
408    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
409    self.setCompilers.pushLanguage(self.languages.clanguage)
410    fd.write('\"Using C linker: %s\\n\"\n' % (self.setCompilers.getLinker()))
411    self.setCompilers.popLanguage()
412    if hasattr(self.compilers, 'FC'):
413      self.setCompilers.pushLanguage('FC')
414      fd.write('\"Using Fortran linker: %s\\n\"\n' % (self.setCompilers.getLinker()))
415      self.setCompilers.popLanguage()
416    if self.framework.argDB['with-single-library']:
417      petsclib = '-lpetsc'
418    else:
419      petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
420    fd.write('\"Using libraries: %s%s -L%s %s %s\\n\"\n' % (self.setCompilers.CSharedLinkerFlag, os.path.join(self.petscdir.dir, self.arch.arch, 'lib'), os.path.join(self.petscdir.dir, self.arch.arch, 'lib'), petsclib, self.PETSC_EXTERNAL_LIB_BASIC.replace('\\ ','\\\\ ')))
421    fd.write('\"-----------------------------------------\\n\";\n')
422    fd.close()
423    return
424
425  def dumpCMakeConfig(self):
426    '''
427    Writes configuration-specific values to ${PETSC_ARCH}/conf/PETScConfig.cmake.
428    This file is private to PETSc and should not be included by third parties
429    (a suitable file can be produced later by CMake, but this is not it).
430    '''
431    def cmakeset(fd,key,val=True):
432      if val == True: val = 'YES'
433      if val == False: val = 'NO'
434      fd.write('set (' + key + ' ' + val + ')\n')
435    def ensurelist(a):
436      if isinstance(a,list):
437        return a
438      else:
439        return [a]
440    def libpath(lib):
441      'Returns a search path if that is what this item provides, else "" which will be cleaned out later'
442      if not isinstance(lib,str): return ''
443      if lib.startswith('-L'): return lib[2:]
444      if lib.startswith('-R'): return lib[2:]
445      if lib.startswith('-Wl,-rpath,'):
446        # This case occurs when an external package needs a specific system library that is normally provided by the compiler.
447        # In other words, the -L path is builtin to the wrapper or compiler, here we provide it so that CMake can locate the
448        # corresponding library.
449        return lib[len('-Wl,-rpath,'):]
450      if lib.startswith('-'): return ''
451      return os.path.dirname(lib)
452    def cleanlib(lib):
453      'Returns a library name if that is what this item provides, else "" which will be cleaned out later'
454      if not isinstance(lib,str): return ''
455      if lib.startswith('-l'):  return lib[2:]
456      if lib.startswith('-Wl') or lib.startswith('-L'): return ''
457      lib = os.path.splitext(os.path.basename(lib))[0]
458      if lib.startswith('lib'): return lib[3:]
459      return lib
460    def nub(lst):
461      'Return a list containing the first occurrence of each unique element'
462      unique = []
463      for elem in lst:
464        if elem not in unique and elem != '':
465          unique.append(elem)
466      return unique
467    try: reversed # reversed was added in Python-2.4
468    except NameError:
469      def reversed(lst): return lst[::-1]
470    def nublast(lst):
471      'Return a list containing the last occurrence of each unique entry in a list'
472      return reversed(nub(reversed(lst)))
473    def cmakeexpand(varname):
474      return r'"${' + varname + r'}"'
475    def uniqextend(lst,new):
476      for x in ensurelist(new):
477        if x not in lst:
478          lst.append(x)
479    def notstandardinclude(path):
480      return path not in '/usr/include'.split() # /usr/local/include is not automatically included on FreeBSD
481    def writeMacroDefinitions(fd):
482      if self.mpi.usingMPIUni:
483        cmakeset(fd,'PETSC_HAVE_MPIUNI')
484      for pkg in self.framework.packages:
485        if pkg.useddirectly:
486          cmakeset(fd,'PETSC_HAVE_' + pkg.PACKAGE.replace('-','_'))
487        for pair in pkg.defines.items():
488          if pair[0].startswith('HAVE_') and pair[1]:
489            cmakeset(fd, self.framework.getFullDefineName(pkg, pair[0]), pair[1])
490      for name,val in self.functions.defines.items():
491        cmakeset(fd,'PETSC_'+name,val)
492      for dct in [self.defines, self.libraryoptions.defines]:
493        for k,v in dct.items():
494          if k.startswith('USE_'):
495            cmakeset(fd,'PETSC_' + k, v)
496      cmakeset(fd,'PETSC_USE_COMPLEX', self.scalartypes.scalartype == 'complex')
497      cmakeset(fd,'PETSC_USE_REAL_' + self.scalartypes.precision.upper())
498      cmakeset(fd,'PETSC_CLANGUAGE_'+self.languages.clanguage)
499      if hasattr(self.compilers, 'FC'):
500        cmakeset(fd,'PETSC_HAVE_FORTRAN')
501        if self.compilers.fortranIsF90:
502          cmakeset(fd,'PETSC_USING_F90')
503        if self.compilers.fortranIsF2003:
504          cmakeset(fd,'PETSC_USING_F2003')
505      if hasattr(self.compilers, 'CXX'):
506        cmakeset(fd,'PETSC_HAVE_CXX')
507      if self.sharedlibraries.useShared:
508        cmakeset(fd,'BUILD_SHARED_LIBS')
509    def writeBuildFlags(fd):
510      def extendby(lib):
511        libs = ensurelist(lib)
512        lib_paths.extend(map(libpath,libs))
513        lib_libs.extend(map(cleanlib,libs))
514      lib_paths = []
515      lib_libs  = []
516      includes  = []
517      libvars   = []
518      for pkg in self.framework.packages:
519        extendby(pkg.lib)
520        uniqextend(includes,pkg.include)
521      extendby(self.libraries.math)
522      extendby(self.libraries.rt)
523      extendby(self.compilers.flibs)
524      extendby(self.compilers.cxxlibs)
525      extendby(self.compilers.LIBS.split())
526      for libname in nublast(lib_libs):
527        libvar = 'PETSC_' + libname.upper() + '_LIB'
528        addpath = ''
529        for lpath in nublast(lib_paths):
530          addpath += '"' + str(lpath) + '" '
531        fd.write('find_library (' + libvar + ' ' + libname + ' HINTS ' + addpath + ')\n')
532        libvars.append(libvar)
533      fd.write('mark_as_advanced (' + ' '.join(libvars) + ')\n')
534      fd.write('set (PETSC_PACKAGE_LIBS ' + ' '.join(map(cmakeexpand,libvars)) + ')\n')
535      includes = filter(notstandardinclude,includes)
536      fd.write('set (PETSC_PACKAGE_INCLUDES ' + ' '.join(map(lambda i: '"'+i+'"',includes)) + ')\n')
537    fd = open(os.path.join(self.arch.arch,'conf','PETScConfig.cmake'), 'w')
538    writeMacroDefinitions(fd)
539    writeBuildFlags(fd)
540    fd.close()
541    return
542
543  def dumpCMakeLists(self):
544    import sys
545    if sys.version_info >= (2,5):
546      import cmakegen
547      try:
548        cmakegen.main(self.petscdir.dir, log=self.framework.log)
549      except (OSError), e:
550        self.framework.logPrint('Generating CMakeLists.txt failed:\n' + str(e))
551    else:
552      self.framework.logPrint('Skipping cmakegen due to old python version: ' +str(sys.version_info) )
553
554  def cmakeBoot(self):
555    import sys
556    self.cmakeboot_success = False
557    if sys.version_info >= (2,5) and hasattr(self.cmake,'cmake'):
558      try:
559        import cmakeboot
560        self.cmakeboot_success = cmakeboot.main(petscdir=self.petscdir.dir,petscarch=self.arch.arch,argDB=self.argDB,framework=self.framework,log=self.framework.log)
561      except (OSError), e:
562        self.framework.logPrint('Booting CMake in PETSC_ARCH failed:\n' + str(e))
563      except (ImportError, KeyError), e:
564        self.framework.logPrint('Importing cmakeboot failed:\n' + str(e))
565      if self.cmakeboot_success:
566        if self.framework.argDB['with-cuda']: # Our CMake build does not support CUDA at this time
567          self.framework.logPrint('CMake configured successfully, but could not be used by default because --with-cuda was used\n')
568        elif hasattr(self.compilers, 'FC') and self.compilers.fortranIsF90 and not self.setCompilers.fortranModuleOutputFlag:
569          self.framework.logPrint('CMake configured successfully, but could not be used by default because of missing fortranModuleOutputFlag\n')
570        else:
571          self.framework.logPrint('CMake configured successfully, using as default build\n')
572          self.addMakeMacro('PETSC_BUILD_USING_CMAKE',1)
573      else:
574        self.framework.logPrint('CMake configuration was unsuccessful\n')
575    else:
576      self.framework.logPrint('Skipping cmakeboot due to old python version: ' +str(sys.version_info) )
577    return
578
579  def configurePrefetch(self):
580    '''Sees if there are any prefetch functions supported'''
581    if config.setCompilers.Configure.isSolaris() or self.framework.argDB['with-ios']:
582      self.addDefine('Prefetch(a,b,c)', ' ')
583      return
584    self.pushLanguage(self.languages.clanguage)
585    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
586      # The Intel Intrinsics manual [1] specifies the prototype
587      #
588      #   void _mm_prefetch(char const *a, int sel);
589      #
590      # but other vendors seem to insist on using subtly different
591      # prototypes, including void* for the pointer, and an enum for
592      # sel.  These are both reasonable changes, but negatively impact
593      # portability.
594      #
595      # [1] http://software.intel.com/file/6373
596      self.addDefine('HAVE_XMMINTRIN_H', 1)
597      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
598      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
599      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
600      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
601      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
602    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
603      self.addDefine('HAVE_XMMINTRIN_H', 1)
604      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
605      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
606      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
607      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
608      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
609    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
610      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
611      #
612      #   The value of rw is a compile-time constant one or zero; one
613      #   means that the prefetch is preparing for a write to the memory
614      #   address and zero, the default, means that the prefetch is
615      #   preparing for a read. The value locality must be a compile-time
616      #   constant integer between zero and three. A value of zero means
617      #   that the data has no temporal locality, so it need not be left
618      #   in the cache after the access. A value of three means that the
619      #   data has a high degree of temporal locality and should be left
620      #   in all levels of cache possible. Values of one and two mean,
621      #   respectively, a low or moderate degree of temporal locality.
622      #
623      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
624      # hints.  Using macros for these values in necessary since some
625      # compilers require an enum.
626      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
627      self.addDefine('PREFETCH_HINT_NTA', '0')
628      self.addDefine('PREFETCH_HINT_T0',  '3')
629      self.addDefine('PREFETCH_HINT_T1',  '2')
630      self.addDefine('PREFETCH_HINT_T2',  '1')
631    else:
632      self.addDefine('Prefetch(a,b,c)', ' ')
633    self.popLanguage()
634
635  def configureFeatureTestMacros(self):
636    '''Checks if certain feature test macros are support'''
637    if self.checkCompile('#define _POSIX_C_SOURCE 200112L\n#include <sysctl.h>',''):
638       self.addDefine('_POSIX_C_SOURCE_200112L', '1')
639    if self.checkCompile('#define _BSD_SOURCE\n#include<stdlib.h>',''):
640       self.addDefine('_BSD_SOURCE', '1')
641    if self.checkCompile('#define _GNU_SOURCE\n#include <sched.h>','cpu_set_t mset;\nCPU_ZERO(&mset);'):
642       self.addDefine('_GNU_SOURCE', '1')
643
644  def configureAtoll(self):
645    '''Checks if atoll exists'''
646    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")'):
647       self.addDefine('HAVE_ATOLL', '1')
648
649  def configureUnused(self):
650    '''Sees if __attribute((unused)) is supported'''
651    if self.framework.argDB['with-ios']:
652      self.addDefine('UNUSED', ' ')
653      return
654    self.pushLanguage(self.languages.clanguage)
655    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'):
656      self.addDefine('UNUSED', '__attribute((unused))')
657    else:
658      self.addDefine('UNUSED', ' ')
659    self.popLanguage()
660
661  def configureExpect(self):
662    '''Sees if the __builtin_expect directive is supported'''
663    self.pushLanguage(self.languages.clanguage)
664    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
665      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
666    self.popLanguage()
667
668  def configureFunctionName(self):
669    '''Sees if the compiler supports __func__ or a variant.  Falls back
670    on __FUNCT__ which PETSc source defines, but most users do not, thus
671    stack traces through user code are better when the compiler's
672    variant is used.'''
673    def getFunctionName(lang):
674      name = '__FUNCT__'
675      self.pushLanguage(lang)
676      if self.checkLink('', "if (__func__[0] != 'm') return 1;"):
677        name = '__func__'
678      elif self.checkLink('', "if (__FUNCTION__[0] != 'm') return 1;"):
679        name = '__FUNCTION__'
680      self.popLanguage()
681      return name
682    langs = []
683
684    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
685    if hasattr(self.compilers, 'CXX'):
686      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
687    else:
688      self.addDefine('FUNCTION_NAME_CXX', '__FUNCT__')
689
690  def configureIntptrt(self):
691    '''Determine what to use for uintptr_t'''
692    def staticAssertSizeMatchesVoidStar(inc,typename):
693      # The declaration is an error if either array size is negative.
694      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
695      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
696                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
697    self.pushLanguage(self.languages.clanguage)
698    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
699      self.addDefine('UINTPTR_T', 'uintptr_t')
700    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
701      self.addDefine('UINTPTR_T', 'unsigned long long')
702    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
703      self.addDefine('UINTPTR_T', 'size_t')
704    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
705      self.addDefine('UINTPTR_T', 'unsigned long')
706    elif staticAssertSizeMatchesVoidStar('','unsigned'):
707      self.addDefine('UINTPTR_T', 'unsigned')
708    else:
709      raise RuntimeError('Could not find any unsigned integer type matching void*')
710    self.popLanguage()
711
712  def configureInline(self):
713    '''Get a generic inline keyword, depending on the language'''
714    if self.languages.clanguage == 'C':
715      self.addDefine('STATIC_INLINE', self.compilers.cStaticInlineKeyword)
716      self.addDefine('RESTRICT', self.compilers.cRestrict)
717    elif self.languages.clanguage == 'Cxx':
718      self.addDefine('STATIC_INLINE', self.compilers.cxxStaticInlineKeyword)
719      self.addDefine('RESTRICT', self.compilers.cxxRestrict)
720
721    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
722      self.addDefine('RTLD_DEFAULT','1')
723    return
724
725  def configureSolaris(self):
726    '''Solaris specific stuff'''
727    if os.path.isdir(os.path.join('/usr','ucblib')):
728      try:
729        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
730      except AttributeError:
731        flag = None
732      if flag is None:
733        self.compilers.LIBS += ' -L/usr/ucblib'
734      else:
735        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
736    return
737
738  def configureLinux(self):
739    '''Linux specific stuff'''
740    # TODO: Test for this by mallocing an odd number of floats and checking the address
741    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
742    return
743
744  def configureWin32(self):
745    '''Win32 non-cygwin specific stuff'''
746    kernel32=0
747    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
748      self.addDefine('HAVE_WINDOWS_H',1)
749      self.addDefine('HAVE_GETCOMPUTERNAME',1)
750      kernel32=1
751    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
752      self.addDefine('HAVE_WINDOWS_H',1)
753      self.addDefine('HAVE_GETCOMPUTERNAME',1)
754      kernel32=1
755    if kernel32:
756      if self.framework.argDB['with-windows-graphics']:
757        self.addDefine('USE_WINDOWS_GRAPHICS',1)
758      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
759        self.addDefine('HAVE_LOADLIBRARY',1)
760      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
761        self.addDefine('HAVE_GETPROCADDRESS',1)
762      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
763        self.addDefine('HAVE_FREELIBRARY',1)
764      if self.checkLink('#include <Windows.h>','GetLastError()'):
765        self.addDefine('HAVE_GETLASTERROR',1)
766      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
767        self.addDefine('HAVE_SETLASTERROR',1)
768      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
769        self.addDefine('USE_MICROSOFT_TIME',1)
770    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
771      self.addDefine('HAVE_GET_USER_NAME',1)
772    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
773      self.addDefine('HAVE_GET_USER_NAME',1)
774
775    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
776      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
777    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
778      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
779
780    self.types.check('int32_t', 'int')
781    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
782      self.addTypedef('int', 'uid_t')
783      self.addTypedef('int', 'gid_t')
784    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
785      self.framework.addDefine('R_OK', '04')
786      self.framework.addDefine('W_OK', '02')
787      self.framework.addDefine('X_OK', '01')
788    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
789      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
790      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
791    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
792      self.addDefine('HAVE_LARGE_INTEGER_U',1)
793
794    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
795    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
796      self.addDefine('HAVE_O_BINARY',1)
797
798    if self.compilers.CC.find('win32fe') >= 0:
799      self.addDefine('PATH_SEPARATOR','\';\'')
800      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
801      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
802      self.addDefine('CANNOT_START_DEBUGGER',1)
803    else:
804      self.addDefine('PATH_SEPARATOR','\':\'')
805      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
806      self.addDefine('DIR_SEPARATOR','\'/\'')
807
808    return
809
810#-----------------------------------------------------------------------------------------------------
811  def configureDefaultArch(self):
812    conffile = os.path.join('conf', 'petscvariables')
813    if self.framework.argDB['with-default-arch']:
814      fd = file(conffile, 'w')
815      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
816      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
817      fd.write('include '+os.path.join(self.petscdir.dir,self.arch.arch,'conf','petscvariables')+'\n')
818      fd.close()
819      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
820    elif os.path.isfile(conffile):
821      try:
822        os.unlink(conffile)
823      except:
824        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
825    return
826
827#-----------------------------------------------------------------------------------------------------
828  def configureScript(self):
829    '''Output a script in the conf directory which will reproduce the configuration'''
830    import nargs
831    import sys
832    scriptName = os.path.join(self.arch.arch,'conf', 'reconfigure-'+self.arch.arch+'.py')
833    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
834    if 'configModules' in args:
835      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
836        del args['configModules']
837    if 'optionsModule' in args:
838      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'PETSc.compilerOptions':
839        del args['optionsModule']
840    if not 'PETSC_ARCH' in args:
841      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
842    f = file(scriptName, 'w')
843    f.write('#!'+sys.executable+'\n')
844    f.write('if __name__ == \'__main__\':\n')
845    f.write('  import sys\n')
846    f.write('  import os\n')
847    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
848    f.write('  import configure\n')
849    # pretty print repr(args.values())
850    f.write('  configure_options = [\n')
851    for itm in sorted(args.values()):
852      f.write('    \''+str(itm)+'\',\n')
853    f.write('  ]\n')
854    f.write('  configure.petsc_configure(configure_options)\n')
855    f.close()
856    try:
857      os.chmod(scriptName, 0775)
858    except OSError, e:
859      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
860    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
861    return
862
863  def configureInstall(self):
864    '''Setup the directories for installation'''
865    if self.framework.argDB['prefix']:
866      self.installdir = self.framework.argDB['prefix']
867      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do:"',\
868                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
869                                              '-@echo "========================================="'])
870    else:
871      self.installdir = os.path.join(self.petscdir.dir,self.arch.arch)
872      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do:"',\
873                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} test"',\
874                                              '-@echo "========================================="'])
875      return
876
877  def configureGCOV(self):
878    if self.framework.argDB['with-gcov']:
879      self.addDefine('USE_GCOV','1')
880    return
881
882  def configureFortranFlush(self):
883    if hasattr(self.compilers, 'FC'):
884      for baseName in ['flush','flush_']:
885        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
886          self.addDefine('HAVE_'+baseName.upper(), 1)
887          return
888
889  def postProcessPackages(self):
890    postPackages=[]
891    for i in self.framework.packages:
892      if hasattr(i,'postProcess'): postPackages.append(i)
893    if postPackages:
894      # ctetgen needs petsc conf files. so attempt to create them early
895      self.framework.dumpConfFiles()
896      for i in postPackages: i.postProcess()
897    return
898
899  def configure(self):
900    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
901      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
902    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
903      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
904    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)):
905      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
906    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
907    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
908    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'conf','petscvariables')
909    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'conf','petscrules')
910    if self.libraries.math is None:
911      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
912    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
913      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
914    self.executeTest(self.configureInline)
915    self.executeTest(self.configurePrefetch)
916    self.executeTest(self.configureUnused)
917    self.executeTest(self.configureExpect);
918    self.executeTest(self.configureFunctionName);
919    self.executeTest(self.configureIntptrt);
920    self.executeTest(self.configureSolaris)
921    self.executeTest(self.configureLinux)
922    self.executeTest(self.configureWin32)
923    self.executeTest(self.configureDefaultArch)
924    self.executeTest(self.configureScript)
925    self.executeTest(self.configureInstall)
926    self.executeTest(self.configureGCOV)
927    self.executeTest(self.configureFortranFlush)
928    self.executeTest(self.configureFeatureTestMacros)
929    self.executeTest(self.configureAtoll)
930    # dummy rules, always needed except for remote builds
931    self.addMakeRule('remote','')
932    self.addMakeRule('remoteclean','')
933
934    self.Dump()
935    self.dumpConfigInfo()
936    self.dumpMachineInfo()
937    self.postProcessPackages()
938    self.dumpCMakeConfig()
939    self.dumpCMakeLists()
940    self.cmakeBoot()
941    self.DumpPkgconfig()
942    self.DumpModule()
943    self.framework.log.write('================================================================================\n')
944    self.logClear()
945    return
946