xref: /petsc/config/PETSc/Configure.py (revision d543d7c6650afe38e02d4e42c97e77acf4b0e00a)
1import config.base
2
3import os
4import re
5
6class Configure(config.base.Configure):
7  def __init__(self, framework):
8    config.base.Configure.__init__(self, framework)
9    self.headerPrefix = 'PETSC'
10    self.substPrefix  = 'PETSC'
11    self.defineAutoconfMacros()
12    return
13
14  def __str__(self):
15    return ''
16
17  def setupHelp(self, help):
18    import nargs
19    help.addArgument('PETSc',  '-prefix=<path>',                  nargs.Arg(None, '', 'Specifiy location to install PETSc (eg. /usr/local)'))
20    help.addArgument('Windows','-with-windows-graphics=<bool>',   nargs.ArgBool(None, 1,'Enable check for Windows Graphics'))
21    help.addArgument('PETSc', '-with-default-arch=<bool>',        nargs.ArgBool(None, 1, 'Allow using the last configured arch without setting PETSC_ARCH'))
22    help.addArgument('PETSc','-with-single-library=<bool>',       nargs.ArgBool(None, 0,'Put all PETSc code into the single -lpetsc library'))
23
24    return
25
26  def setupDependencies(self, framework):
27    config.base.Configure.setupDependencies(self, framework)
28    self.setCompilers  = framework.require('config.setCompilers',      self)
29    self.arch          = framework.require('PETSc.utilities.arch',     self.setCompilers)
30    self.petscdir      = framework.require('PETSc.utilities.petscdir', self.setCompilers)
31    self.languages     = framework.require('PETSc.utilities.languages',self.setCompilers)
32    self.debugging     = framework.require('PETSc.utilities.debugging',self.setCompilers)
33    self.make          = framework.require('PETSc.utilities.Make',     self)
34    self.CHUD          = framework.require('PETSc.utilities.CHUD',     self)
35    self.compilers     = framework.require('config.compilers',         self)
36    self.types         = framework.require('config.types',             self)
37    self.headers       = framework.require('config.headers',           self)
38    self.functions     = framework.require('config.functions',         self)
39    self.libraries     = framework.require('config.libraries',         self)
40    if os.path.isdir(os.path.join('config', 'PETSc')):
41      for d in ['utilities', 'packages']:
42        for utility in os.listdir(os.path.join('config', 'PETSc', d)):
43          (utilityName, ext) = os.path.splitext(utility)
44          if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
45            utilityObj              = self.framework.require('PETSc.'+d+'.'+utilityName, self)
46            utilityObj.headerPrefix = self.headerPrefix
47            ##utilityObj.languageProvider = self.languages
48            setattr(self, utilityName.lower(), utilityObj)
49    self.blaslapack    = framework.require('config.packages.BlasLapack', self)
50    self.blaslapack.archProvider      = self.arch
51    self.blaslapack.precisionProvider = self.scalartypes
52    self.blaslapack.installDirProvider= self.petscdir
53    self.mpi           = framework.require('config.packages.MPI',        self)
54    self.mpi.archProvider             = self.arch
55    self.mpi.languageProvider         = self.languages
56    self.mpi.installDirProvider       = self.petscdir
57    self.umfpack       = framework.require('config.packages.UMFPACK',    self)
58    self.umfpack.archProvider         = self.arch
59    self.umfpack.languageProvider     = self.languages
60    self.umfpack.installDirProvider   = self.petscdir
61    self.Boost         = framework.require('config.packages.Boost',      self)
62    self.Boost.archProvider           = self.arch
63    self.Boost.languageProvider       = self.languages
64    self.Boost.installDirProvider     = self.petscdir
65    self.Fiat          = framework.require('config.packages.Fiat',       self)
66    self.Fiat.archProvider            = self.arch
67    self.Fiat.languageProvider        = self.languages
68    self.Fiat.installDirProvider      = self.petscdir
69
70    self.compilers.headerPrefix = self.headerPrefix
71    self.types.headerPrefix     = self.headerPrefix
72    self.headers.headerPrefix   = self.headerPrefix
73    self.functions.headerPrefix = self.headerPrefix
74    self.libraries.headerPrefix = self.headerPrefix
75    self.blaslapack.headerPrefix = self.headerPrefix
76    self.mpi.headerPrefix        = self.headerPrefix
77    headersC = map(lambda name: name+'.h', ['dos', 'endian', 'fcntl', 'float', 'io', 'limits', 'malloc', 'pwd', 'search', 'strings',
78                                            'unistd', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
79                                            'sys/systeminfo', 'sys/times', 'sys/utsname','string', 'stdlib','memory',
80                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
81                                            'WindowsX', 'cxxabi','float','ieeefp','xmmintrin'])
82    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname', 'getpwuid',
83                 'gettimeofday', 'getwd', 'memalign', 'memmove', 'mkstemp', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
84                 'readlink', 'realpath',  'sigaction', 'signal', 'sigset', 'sleep', '_sleep', 'socket', 'times', 'gethostbyname',
85                 'uname','snprintf','_snprintf','_fullpath','lseek','_lseek','time','fork','stricmp','strcasecmp','bzero',
86                 'dlopen', 'dlsym', 'dlclose', 'dlerror',
87                 '_intel_fast_memcpy','_intel_fast_memset','isinf','isnan','_finite','_isnan']
88    libraries1 = [(['socket', 'nsl'], 'socket'), (['fpe'], 'handle_sigfpes')]
89    self.headers.headers.extend(headersC)
90    self.functions.functions.extend(functions)
91    self.libraries.libraries.extend(libraries1)
92    return
93
94  def defineAutoconfMacros(self):
95    self.hostMacro = 'dnl Version: 2.13\ndnl Variable: host_cpu\ndnl Variable: host_vendor\ndnl Variable: host_os\nAC_CANONICAL_HOST'
96    return
97
98  def Dump(self):
99    ''' Actually put the values into the configuration files '''
100    # eventually everything between -- should be gone
101#-----------------------------------------------------------------------------------------------------
102
103    # Sometimes we need C compiler, even if built with C++
104    self.setCompilers.pushLanguage('C')
105    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
106    self.setCompilers.popLanguage()
107
108    # C preprocessor values
109    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS+self.CHUD.CPPFLAGS)
110
111    # compiler values
112    self.setCompilers.pushLanguage(self.languages.clanguage)
113    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
114    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
115    self.setCompilers.popLanguage()
116    # .o or .obj
117    self.addMakeMacro('CC_SUFFIX','o')
118
119    # executable linker values
120    self.setCompilers.pushLanguage(self.languages.clanguage)
121    pcc_linker = self.setCompilers.getLinker()
122    self.addMakeMacro('PCC_LINKER',pcc_linker)
123    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
124    self.setCompilers.popLanguage()
125    # '' for Unix, .exe for Windows
126    self.addMakeMacro('CC_LINKER_SUFFIX','')
127    self.addMakeMacro('PCC_LINKER_LIBS',self.libraries.toStringNoDupes(self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' '))+self.CHUD.LIBS)
128
129    if hasattr(self.compilers, 'FC'):
130      self.setCompilers.pushLanguage('FC')
131      # need FPPFLAGS in config/setCompilers
132      self.addDefine('HAVE_FORTRAN','1')
133      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
134
135      # compiler values
136      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
137      self.setCompilers.popLanguage()
138      # .o or .obj
139      self.addMakeMacro('FC_SUFFIX','o')
140
141      # executable linker values
142      self.setCompilers.pushLanguage('FC')
143      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
144      fc_linker = self.setCompilers.getLinker()
145      if config.setCompilers.Configure.isNAG(fc_linker):
146        self.addMakeMacro('FC_LINKER',pcc_linker)
147      else:
148        self.addMakeMacro('FC_LINKER',fc_linker)
149      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
150      # apple requires this shared library linker flag on SOME versions of the os
151      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
152        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
153      self.setCompilers.popLanguage()
154    else:
155      self.addMakeMacro('FC','')
156
157    # shared library linker values
158    self.setCompilers.pushLanguage(self.languages.clanguage)
159    # need to fix BuildSystem to collect these separately
160    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
161    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
162    self.setCompilers.popLanguage()
163    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
164    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
165    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
166      self.addMakeMacro('SL_LINKER_SUFFIX', '')
167    else:
168      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
169
170    #SL_LINKER_LIBS is currently same as PCC_LINKER_LIBS - so simplify
171    self.addMakeMacro('SL_LINKER_LIBS','${PCC_LINKER_LIBS}')
172    #self.addMakeMacro('SL_LINKER_LIBS',self.libraries.toStringNoDupes(self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' ')))
173
174#-----------------------------------------------------------------------------------------------------
175
176    # CONLY or CPP. We should change the PETSc makefiles to do this better
177    if self.languages.clanguage == 'C': lang = 'CONLY'
178    else: lang = 'CXXONLY'
179    self.addMakeMacro('PETSC_LANGUAGE',lang)
180
181    # real or complex
182    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
183    # double or float
184    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
185
186    if self.framework.argDB['with-batch']:
187      self.addMakeMacro('PETSC_WITH_BATCH','1')
188
189    # Test for compiler-specific macros that need to be defined.
190    if self.setCompilers.isCray('CC'):
191      self.addDefine('HAVE_CRAYC','1')
192
193#-----------------------------------------------------------------------------------------------------
194    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket'):
195      self.addDefine('USE_SOCKET_VIEWER','1')
196
197#-----------------------------------------------------------------------------------------------------
198    # print include and lib for external packages
199    self.framework.packages.reverse()
200    includes = []
201    libs = []
202    for i in self.framework.packages:
203      self.addDefine('HAVE_'+i.PACKAGE, 1)
204      if not isinstance(i.lib, list):
205        i.lib = [i.lib]
206      libs.extend(i.lib)
207      self.addMakeMacro(i.PACKAGE+'_LIB', self.libraries.toStringNoDupes(i.lib))
208      if hasattr(i,'include'):
209        if not isinstance(i.include,list):
210          i.include = [i.include]
211        includes.extend(i.include)
212        self.addMakeMacro(i.PACKAGE+'_INCLUDE',self.headers.toStringNoDupes(i.include))
213    self.addMakeMacro('PACKAGES_LIBS',self.libraries.toStringNoDupes(libs+self.libraries.math))
214    self.addMakeMacro('PACKAGES_INCLUDES',self.headers.toStringNoDupes(includes))
215
216    self.addMakeMacro('INSTALL_DIR',self.installdir)
217
218    if self.framework.argDB['with-single-library']:
219      # overrides the values set in conf/variables
220      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
221      self.addMakeMacro('PETSC_SYS_LIB_BASIC','-lpetsc')
222      self.addMakeMacro('PETSC_VEC_LIB_BASIC','-lpetsc')
223      self.addMakeMacro('PETSC_MAT_LIB_BASIC','-lpetsc')
224      self.addMakeMacro('PETSC_DM_LIB_BASIC','-lpetsc')
225      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
226      self.addMakeMacro('PETSC_SNES_LIB_BASIC','-lpetsc')
227      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
228      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
229      self.addMakeMacro('PETSC_CONTRIB_BASIC','-lpetsc')
230      self.addDefine('USE_SINGLE_LIBRARY', '1')
231
232    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
233      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
234
235    # add a makefile entry for configure options
236    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
237    return
238
239  def dumpConfigInfo(self):
240    import time
241    fd = file(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
242    fd.write('static const char *petscconfigureruntime = "'+time.ctime(time.time())+'";\n')
243    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
244    fd.close()
245    return
246
247
248  def configurePrefetch(self):
249    '''Sees if there are any prefetch functions supported'''
250    self.pushLanguage(self.languages.clanguage)
251    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,(enum _mm_hint)0);\n'):
252      self.addDefine('HAVE_XMMINTRIN_H', 1)
253      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((void*)(a),(enum _mm_hint)c)')
254    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,(enum _mm_hint)0);\n'):
255      self.addDefine('HAVE_XMMINTRIN_H', 1)
256      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(enum _mm_hint)c)')
257    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
258      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch(a,b,c)')
259    else:
260      self.addDefine('Prefetch(a,b,c)', ' ')
261    self.popLanguage()
262
263  def configureInline(self):
264    '''Get a generic inline keyword, depending on the language'''
265    if self.languages.clanguage == 'C':
266      self.addDefine('STATIC_INLINE', self.compilers.cStaticInlineKeyword)
267      self.addDefine('RESTRICT', self.compilers.cRestrict)
268    elif self.languages.clanguage == 'Cxx':
269      self.addDefine('STATIC_INLINE', self.compilers.cxxStaticInlineKeyword)
270      self.addDefine('RESTRICT', self.compilers.cxxRestrict)
271    return
272
273  def configureSolaris(self):
274    '''Solaris specific stuff'''
275    if self.arch.hostOsBase.startswith('solaris'):
276      if os.path.isdir(os.path.join('/usr','ucblib')):
277        try:
278          flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
279        except AttributeError:
280          flag = None
281        if flag is None:
282          self.compilers.LIBS += ' -L/usr/ucblib'
283        else:
284          self.compilers.LIBS += ' '+flag+'/usr/ucblib'
285    return
286
287  def configureLinux(self):
288    '''Linux specific stuff'''
289    if self.arch.hostOsBase == 'linux':
290      self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
291    return
292
293  def configureWin32(self):
294    '''Win32 non-cygwin specific stuff'''
295    kernel32=0
296    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
297      self.addDefine('HAVE_WINDOWS_H',1)
298      self.addDefine('HAVE_GETCOMPUTERNAME',1)
299      kernel32=1
300    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
301      self.addDefine('HAVE_WINDOWS_H',1)
302      self.addDefine('HAVE_GETCOMPUTERNAME',1)
303      kernel32=1
304    if kernel32:
305      if self.framework.argDB['with-windows-graphics']:
306        self.addDefine('USE_WINDOWS_GRAPHICS',1)
307      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
308        self.addDefine('HAVE_LOADLIBRARY',1)
309      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
310        self.addDefine('HAVE_GETPROCADDRESS',1)
311      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
312        self.addDefine('HAVE_FREELIBRARY',1)
313      if self.checkLink('#include <Windows.h>','GetLastError()'):
314        self.addDefine('HAVE_GETLASTERROR',1)
315      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
316        self.addDefine('HAVE_SETLASTERROR',1)
317      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
318        self.addDefine('USE_NT_TIME',1)
319    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
320      self.addDefine('HAVE_GET_USER_NAME',1)
321    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
322      self.addDefine('HAVE_GET_USER_NAME',1)
323
324    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
325      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
326    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
327      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
328
329    self.types.check('int32_t', 'int')
330    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
331      self.addTypedef('int', 'uid_t')
332      self.addTypedef('int', 'gid_t')
333    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
334      self.framework.addDefine('R_OK', '04')
335      self.framework.addDefine('W_OK', '02')
336      self.framework.addDefine('X_OK', '01')
337    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
338      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
339      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
340    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
341      self.addDefine('HAVE_LARGE_INTEGER_U',1)
342
343    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
344    if self.checkCompile('#include <Windows.h>\n',''):
345      self.addDefine('HAVE_O_BINARY',1)
346
347    if self.compilers.CC.find('win32fe') >= 0:
348      self.addDefine('PATH_SEPARATOR','\';\'')
349      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
350      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
351      self.addDefine('CANNOT_START_DEBUGGER',1)
352    else:
353      self.addDefine('PATH_SEPARATOR','\':\'')
354      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
355      self.addDefine('DIR_SEPARATOR','\'/\'')
356    return
357
358#-----------------------------------------------------------------------------------------------------
359  def configureDefaultArch(self):
360    conffile = os.path.join('conf', 'petscvariables')
361    if self.framework.argDB['with-default-arch']:
362      fd = file(conffile, 'w')
363      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
364      fd.write('include ${PETSC_DIR}/${PETSC_ARCH}/conf/petscvariables\n')
365      fd.close()
366      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
367    elif os.path.isfile(conffile):
368      try:
369        os.unlink(conffile)
370      except:
371        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
372    return
373
374#-----------------------------------------------------------------------------------------------------
375  def configureScript(self):
376    '''Output a script in the conf directory which will reproduce the configuration'''
377    import nargs
378    import sys
379    scriptName = os.path.join(self.arch.arch,'conf', 'reconfigure-'+self.arch.arch+'.py')
380    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
381    if 'configModules' in args:
382      if nargs.Arg.parseArgument(args['configModules'])[1] == ['PETSc.Configure']:
383        del args['configModules']
384    if 'optionsModule' in args:
385      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'PETSc.compilerOptions':
386        del args['optionsModule']
387    if not 'PETSC_ARCH' in args:
388      args['PETSC_ARCH'] = '-PETSC_ARCH='+str(self.arch.arch)
389    f = file(scriptName, 'w')
390    f.write('#!'+sys.executable+'\n')
391    f.write('if __name__ == \'__main__\':\n')
392    f.write('  import sys\n')
393    f.write('  sys.path.insert(0, '+repr(os.path.join(self.petscdir.dir, 'config'))+')\n')
394    f.write('  import configure\n')
395    f.write('  configure_options = '+repr(args.values())+'\n')
396    f.write('  configure.petsc_configure(configure_options)\n')
397    f.close()
398    try:
399      os.chmod(scriptName, 0775)
400    except OSError, e:
401      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
402    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
403    return
404
405  def configureInstall(self):
406    '''Setup the directories for installation'''
407    if self.framework.argDB['prefix']:
408      self.installdir = self.framework.argDB['prefix']
409      self.addMakeRule('shared_nomesg_noinstall','')
410      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do: make install"',\
411                                              '-@echo "========================================="'])
412    else:
413      self.installdir = os.path.join(self.petscdir.dir,self.arch.arch)
414      self.addMakeRule('shared_nomesg_noinstall','shared_nomesg')
415      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do: make test"',\
416                                              '-@echo "========================================="'])
417      return
418
419  def configureGCOV(self):
420    if self.framework.argDB['with-gcov']:
421      self.addDefine('USE_GCOV','1')
422    return
423
424  def configureFortranFlush(self):
425    if hasattr(self.compilers, 'FC'):
426      for baseName in ['flush','flush_']:
427        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
428          self.addDefine('HAVE_'+baseName.upper(), 1)
429          return
430
431
432  def configure(self):
433    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
434      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
435    self.framework.header          = self.arch.arch+'/include/petscconf.h'
436    self.framework.cHeader         = self.arch.arch+'/include/petscfix.h'
437    self.framework.makeMacroHeader = self.arch.arch+'/conf/petscvariables'
438    self.framework.makeRuleHeader  = self.arch.arch+'/conf/petscrules'
439    if self.libraries.math is None:
440      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
441    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
442      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
443    self.executeTest(self.configureInline)
444    self.executeTest(self.configurePrefetch)
445    self.executeTest(self.configureSolaris)
446    self.executeTest(self.configureLinux)
447    self.executeTest(self.configureWin32)
448    self.executeTest(self.configureDefaultArch)
449    self.executeTest(self.configureScript)
450    self.executeTest(self.configureInstall)
451    self.executeTest(self.configureGCOV)
452    self.executeTest(self.configureFortranFlush)
453    # dummy rules, always needed except for remote builds
454    self.addMakeRule('remote','')
455    self.addMakeRule('remoteclean','')
456
457    self.Dump()
458    self.dumpConfigInfo()
459    self.framework.log.write('================================================================================\n')
460    self.logClear()
461    return
462