xref: /petsc/config/PETSc/Configure.py (revision bd7c7dddb24a67b8eebe9f5ca9730c2e146ac916)
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.archProvider       = self.arch
48            utilityObj.languageProvider   = self.languages
49            utilityObj.installDirProvider = self.petscdir
50            setattr(self, utilityName.lower(), utilityObj)
51    self.qd    = framework.require('config.packages.qd', self)
52    self.qd.archProvider      = self.arch
53    self.qd.precisionProvider = self.scalartypes
54    self.qd.installDirProvider= self.petscdir
55    self.blaslapack    = framework.require('config.packages.BlasLapack', self)
56    self.blaslapack.archProvider      = self.arch
57    self.blaslapack.precisionProvider = self.scalartypes
58    self.blaslapack.installDirProvider= self.petscdir
59    self.mpi           = framework.require('config.packages.MPI',        self)
60    self.mpi.archProvider             = self.arch
61    self.mpi.languageProvider         = self.languages
62    self.mpi.installDirProvider       = self.petscdir
63    self.umfpack       = framework.require('config.packages.UMFPACK',    self)
64    self.umfpack.archProvider         = self.arch
65    self.umfpack.languageProvider     = self.languages
66    self.umfpack.installDirProvider   = self.petscdir
67    self.Boost         = framework.require('config.packages.Boost',      self)
68    self.Boost.archProvider           = self.arch
69    self.Boost.languageProvider       = self.languages
70    self.Boost.installDirProvider     = self.petscdir
71    self.Fiat          = framework.require('config.packages.Fiat',       self)
72    self.Fiat.archProvider            = self.arch
73    self.Fiat.languageProvider        = self.languages
74    self.Fiat.installDirProvider      = self.petscdir
75    self.ExodusII      = framework.require('config.packages.ExodusII',   self)
76    self.ExodusII.archProvider        = self.arch
77    self.ExodusII.languageProvider    = self.languages
78    self.ExodusII.installDirProvider  = self.petscdir
79
80    self.compilers.headerPrefix = self.headerPrefix
81    self.types.headerPrefix     = self.headerPrefix
82    self.headers.headerPrefix   = self.headerPrefix
83    self.functions.headerPrefix = self.headerPrefix
84    self.libraries.headerPrefix = self.headerPrefix
85    self.blaslapack.headerPrefix = self.headerPrefix
86    self.mpi.headerPrefix        = self.headerPrefix
87    headersC = map(lambda name: name+'.h', ['dos', 'endian', 'fcntl', 'float', 'io', 'limits', 'malloc', 'pwd', 'search', 'strings',
88                                            'unistd', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
89                                            'sys/systeminfo', 'sys/times', 'sys/utsname','string', 'stdlib','memory',
90                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
91                                            'WindowsX', 'cxxabi','float','ieeefp','xmmintrin','stdint'])
92    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname', 'getpwuid',
93                 'gettimeofday', 'getwd', 'memalign', 'memmove', 'mkstemp', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
94                 'readlink', 'realpath',  'sigaction', 'signal', 'sigset', 'nanosleep', 'usleep', 'sleep', '_sleep', 'socket',
95                 'times', 'gethostbyname', 'uname','snprintf','_snprintf','_fullpath','lseek','_lseek','time','fork','stricmp',
96                 'strcasecmp', 'bzero', 'dlopen', 'dlsym', 'dlclose', 'dlerror',
97                 '_intel_fast_memcpy','_intel_fast_memset','_finite','_isnan']
98    libraries1 = [(['socket', 'nsl'], 'socket'), (['fpe'], 'handle_sigfpes')]
99    self.headers.headers.extend(headersC)
100    self.functions.functions.extend(functions)
101    self.libraries.libraries.extend(libraries1)
102    return
103
104  def defineAutoconfMacros(self):
105    self.hostMacro = 'dnl Version: 2.13\ndnl Variable: host_cpu\ndnl Variable: host_vendor\ndnl Variable: host_os\nAC_CANONICAL_HOST'
106    return
107
108  def Dump(self):
109    ''' Actually put the values into the configuration files '''
110    # eventually everything between -- should be gone
111#-----------------------------------------------------------------------------------------------------
112
113    # Sometimes we need C compiler, even if built with C++
114    self.setCompilers.pushLanguage('C')
115    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
116    self.setCompilers.popLanguage()
117
118    # C preprocessor values
119    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS+self.CHUD.CPPFLAGS)
120
121    # compiler values
122    self.setCompilers.pushLanguage(self.languages.clanguage)
123    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
124    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
125    self.setCompilers.popLanguage()
126    # .o or .obj
127    self.addMakeMacro('CC_SUFFIX','o')
128
129    # executable linker values
130    self.setCompilers.pushLanguage(self.languages.clanguage)
131    pcc_linker = self.setCompilers.getLinker()
132    self.addMakeMacro('PCC_LINKER',pcc_linker)
133    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
134    self.setCompilers.popLanguage()
135    # '' for Unix, .exe for Windows
136    self.addMakeMacro('CC_LINKER_SUFFIX','')
137    self.addMakeMacro('PCC_LINKER_LIBS',self.libraries.toStringNoDupes(self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' '))+self.CHUD.LIBS)
138
139    if hasattr(self.compilers, 'FC'):
140      self.setCompilers.pushLanguage('FC')
141      # need FPPFLAGS in config/setCompilers
142      self.addDefine('HAVE_FORTRAN','1')
143      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
144
145      # compiler values
146      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
147      self.setCompilers.popLanguage()
148      # .o or .obj
149      self.addMakeMacro('FC_SUFFIX','o')
150
151      # executable linker values
152      self.setCompilers.pushLanguage('FC')
153      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
154      fc_linker = self.setCompilers.getLinker()
155      if config.setCompilers.Configure.isNAG(fc_linker):
156        self.addMakeMacro('FC_LINKER',pcc_linker)
157      else:
158        self.addMakeMacro('FC_LINKER',fc_linker)
159      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
160      # apple requires this shared library linker flag on SOME versions of the os
161      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
162        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
163      self.setCompilers.popLanguage()
164
165      # F90 Modules
166      if self.setCompilers.fortranModuleIncludeFlag:
167        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
168    else:
169      self.addMakeMacro('FC','')
170
171    # shared library linker values
172    self.setCompilers.pushLanguage(self.languages.clanguage)
173    # need to fix BuildSystem to collect these separately
174    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
175    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
176    self.setCompilers.popLanguage()
177    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
178    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
179    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
180      self.addMakeMacro('SL_LINKER_SUFFIX', '')
181      self.addDefine('SLSUFFIX','""')
182    else:
183      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
184      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
185
186    #SL_LINKER_LIBS is currently same as PCC_LINKER_LIBS - so simplify
187    self.addMakeMacro('SL_LINKER_LIBS','${PCC_LINKER_LIBS}')
188    #self.addMakeMacro('SL_LINKER_LIBS',self.libraries.toStringNoDupes(self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' ')))
189
190#-----------------------------------------------------------------------------------------------------
191
192    # CONLY or CPP. We should change the PETSc makefiles to do this better
193    if self.languages.clanguage == 'C': lang = 'CONLY'
194    else: lang = 'CXXONLY'
195    self.addMakeMacro('PETSC_LANGUAGE',lang)
196
197    # real or complex
198    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
199    # double or float
200    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
201
202    if self.framework.argDB['with-batch']:
203      self.addMakeMacro('PETSC_WITH_BATCH','1')
204
205    # Test for compiler-specific macros that need to be defined.
206    if self.setCompilers.isCray('CC'):
207      self.addDefine('HAVE_CRAYC','1')
208
209#-----------------------------------------------------------------------------------------------------
210    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket'):
211      self.addDefine('USE_SOCKET_VIEWER','1')
212
213#-----------------------------------------------------------------------------------------------------
214    # print include and lib for external packages
215    self.framework.packages.reverse()
216    includes = []
217    libs = []
218    for i in self.framework.packages:
219      self.addDefine('HAVE_'+i.PACKAGE, 1)
220      if not isinstance(i.lib, list):
221        i.lib = [i.lib]
222      libs.extend(i.lib)
223      self.addMakeMacro(i.PACKAGE+'_LIB', self.libraries.toStringNoDupes(i.lib))
224      if hasattr(i,'include'):
225        if not isinstance(i.include,list):
226          i.include = [i.include]
227        includes.extend(i.include)
228        self.addMakeMacro(i.PACKAGE+'_INCLUDE',self.headers.toStringNoDupes(i.include))
229    self.addMakeMacro('PACKAGES_LIBS',self.libraries.toStringNoDupes(libs+self.libraries.math))
230    self.addMakeMacro('PACKAGES_INCLUDES',self.headers.toStringNoDupes(includes))
231
232    self.addMakeMacro('INSTALL_DIR',self.installdir)
233    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir,'lib')+'"')
234
235    if self.framework.argDB['with-single-library']:
236      # overrides the values set in conf/variables
237      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
238      self.addMakeMacro('PETSC_SYS_LIB_BASIC','-lpetsc')
239      self.addMakeMacro('PETSC_VEC_LIB_BASIC','-lpetsc')
240      self.addMakeMacro('PETSC_MAT_LIB_BASIC','-lpetsc')
241      self.addMakeMacro('PETSC_DM_LIB_BASIC','-lpetsc')
242      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
243      self.addMakeMacro('PETSC_SNES_LIB_BASIC','-lpetsc')
244      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
245      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
246      self.addMakeMacro('PETSC_CONTRIB_BASIC','-lpetsc')
247      self.addDefine('USE_SINGLE_LIBRARY', '1')
248
249    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
250      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
251
252    # add a makefile entry for configure options
253    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
254    return
255
256  def dumpConfigInfo(self):
257    import time
258    fd = file(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
259    fd.write('static const char *petscconfigureruntime = "'+time.ctime(time.time())+'";\n')
260    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
261    fd.close()
262    return
263
264
265  def configurePrefetch(self):
266    '''Sees if there are any prefetch functions supported'''
267    self.pushLanguage(self.languages.clanguage)
268    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,(enum _mm_hint)0);\n'):
269      self.addDefine('HAVE_XMMINTRIN_H', 1)
270      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((void*)(a),(enum _mm_hint)c)')
271    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,(enum _mm_hint)0);\n'):
272      self.addDefine('HAVE_XMMINTRIN_H', 1)
273      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(enum _mm_hint)c)')
274    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
275      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch(a,b,c)')
276    else:
277      self.addDefine('Prefetch(a,b,c)', ' ')
278    self.popLanguage()
279
280  def configureExpect(self):
281    '''Sees if the __builtin_expect directive is supported'''
282    self.pushLanguage(self.languages.clanguage)
283    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
284      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
285    self.popLanguage()
286
287  def configureIntptrt(self):
288    '''Determine what to use for uintptr_t'''
289    def staticAssertSizeMatchesVoidStar(inc,typename):
290      # The declaration is an error if either array size is negative.
291      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
292      return self.checkCompile(inc, '#define SZ (sizeof(void*)-sizeof(%s))\nint type_is_too_large[SZ],type_is_too_small[-SZ];'%typename)
293    self.pushLanguage(self.languages.clanguage)
294    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
295      self.addDefine('UINTPTR_T', 'uintptr_t')
296    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
297      self.addDefine('UINTPTR_T', 'unsigned long long')
298    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
299      self.addDefine('UINTPTR_T', 'size_t')
300    elif staticAssertSizeMatchesVoidStar('unsigned'):
301      self.addDefine('UINTPTR_T', 'unsigned')
302    self.popLanguage()
303
304  def configureInline(self):
305    '''Get a generic inline keyword, depending on the language'''
306    if self.languages.clanguage == 'C':
307      self.addDefine('STATIC_INLINE', self.compilers.cStaticInlineKeyword)
308      self.addDefine('RESTRICT', self.compilers.cRestrict)
309    elif self.languages.clanguage == 'Cxx':
310      self.addDefine('STATIC_INLINE', self.compilers.cxxStaticInlineKeyword)
311      self.addDefine('RESTRICT', self.compilers.cxxRestrict)
312    return
313
314  def configureSolaris(self):
315    '''Solaris specific stuff'''
316    if self.arch.hostOsBase.startswith('solaris'):
317      if os.path.isdir(os.path.join('/usr','ucblib')):
318        try:
319          flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
320        except AttributeError:
321          flag = None
322        if flag is None:
323          self.compilers.LIBS += ' -L/usr/ucblib'
324        else:
325          self.compilers.LIBS += ' '+flag+'/usr/ucblib'
326    return
327
328  def configureLinux(self):
329    '''Linux specific stuff'''
330    if self.arch.hostOsBase == 'linux':
331      self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
332    return
333
334  def configureWin32(self):
335    '''Win32 non-cygwin specific stuff'''
336    kernel32=0
337    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
338      self.addDefine('HAVE_WINDOWS_H',1)
339      self.addDefine('HAVE_GETCOMPUTERNAME',1)
340      kernel32=1
341    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
342      self.addDefine('HAVE_WINDOWS_H',1)
343      self.addDefine('HAVE_GETCOMPUTERNAME',1)
344      kernel32=1
345    if kernel32:
346      if self.framework.argDB['with-windows-graphics']:
347        self.addDefine('USE_WINDOWS_GRAPHICS',1)
348      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
349        self.addDefine('HAVE_LOADLIBRARY',1)
350      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
351        self.addDefine('HAVE_GETPROCADDRESS',1)
352      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
353        self.addDefine('HAVE_FREELIBRARY',1)
354      if self.checkLink('#include <Windows.h>','GetLastError()'):
355        self.addDefine('HAVE_GETLASTERROR',1)
356      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
357        self.addDefine('HAVE_SETLASTERROR',1)
358      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
359        self.addDefine('USE_NT_TIME',1)
360    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
361      self.addDefine('HAVE_GET_USER_NAME',1)
362    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
363      self.addDefine('HAVE_GET_USER_NAME',1)
364
365    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
366      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
367    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
368      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
369
370    self.types.check('int32_t', 'int')
371    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
372      self.addTypedef('int', 'uid_t')
373      self.addTypedef('int', 'gid_t')
374    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
375      self.framework.addDefine('R_OK', '04')
376      self.framework.addDefine('W_OK', '02')
377      self.framework.addDefine('X_OK', '01')
378    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
379      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
380      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
381    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
382      self.addDefine('HAVE_LARGE_INTEGER_U',1)
383
384    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
385    if self.checkCompile('#include <Windows.h>\n',''):
386      self.addDefine('HAVE_O_BINARY',1)
387
388    if self.compilers.CC.find('win32fe') >= 0:
389      self.addDefine('PATH_SEPARATOR','\';\'')
390      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
391      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
392      self.addDefine('CANNOT_START_DEBUGGER',1)
393    else:
394      self.addDefine('PATH_SEPARATOR','\':\'')
395      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
396      self.addDefine('DIR_SEPARATOR','\'/\'')
397    return
398
399#-----------------------------------------------------------------------------------------------------
400  def configureDefaultArch(self):
401    conffile = os.path.join('conf', 'petscvariables')
402    if self.framework.argDB['with-default-arch']:
403      fd = file(conffile, 'w')
404      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
405      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
406      fd.write('include ${PETSC_DIR}/${PETSC_ARCH}/conf/petscvariables\n')
407      fd.close()
408      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
409    elif os.path.isfile(conffile):
410      try:
411        os.unlink(conffile)
412      except:
413        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
414    return
415
416#-----------------------------------------------------------------------------------------------------
417  def configureScript(self):
418    '''Output a script in the conf directory which will reproduce the configuration'''
419    import nargs
420    import sys
421    scriptName = os.path.join(self.arch.arch,'conf', 'reconfigure-'+self.arch.arch+'.py')
422    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
423    if 'configModules' in args:
424      if nargs.Arg.parseArgument(args['configModules'])[1] == ['PETSc.Configure']:
425        del args['configModules']
426    if 'optionsModule' in args:
427      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'PETSc.compilerOptions':
428        del args['optionsModule']
429    if not 'PETSC_ARCH' in args:
430      args['PETSC_ARCH'] = '-PETSC_ARCH='+str(self.arch.arch)
431    f = file(scriptName, 'w')
432    f.write('#!'+sys.executable+'\n')
433    f.write('if __name__ == \'__main__\':\n')
434    f.write('  import sys\n')
435    f.write('  sys.path.insert(0, '+repr(os.path.join(self.petscdir.dir, 'config'))+')\n')
436    f.write('  import configure\n')
437    f.write('  configure_options = '+repr(args.values())+'\n')
438    f.write('  configure.petsc_configure(configure_options)\n')
439    f.close()
440    try:
441      os.chmod(scriptName, 0775)
442    except OSError, e:
443      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
444    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
445    return
446
447  def configureInstall(self):
448    '''Setup the directories for installation'''
449    if self.framework.argDB['prefix']:
450      self.installdir = self.framework.argDB['prefix']
451      self.addMakeRule('shared_nomesg_noinstall','')
452      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do: make install or perhaps sudo make install"',\
453                                              '-@echo "========================================="'])
454    else:
455      self.installdir = os.path.join(self.petscdir.dir,self.arch.arch)
456      self.addMakeRule('shared_nomesg_noinstall','shared_nomesg')
457      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do: make test"',\
458                                              '-@echo "========================================="'])
459      return
460
461  def configureGCOV(self):
462    if self.framework.argDB['with-gcov']:
463      self.addDefine('USE_GCOV','1')
464    return
465
466  def configureFortranFlush(self):
467    if hasattr(self.compilers, 'FC'):
468      for baseName in ['flush','flush_']:
469        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
470          self.addDefine('HAVE_'+baseName.upper(), 1)
471          return
472
473
474  def configure(self):
475    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
476      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
477    self.framework.header          = self.arch.arch+'/include/petscconf.h'
478    self.framework.cHeader         = self.arch.arch+'/include/petscfix.h'
479    self.framework.makeMacroHeader = self.arch.arch+'/conf/petscvariables'
480    self.framework.makeRuleHeader  = self.arch.arch+'/conf/petscrules'
481    if self.libraries.math is None:
482      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
483    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
484      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
485    self.executeTest(self.configureInline)
486    self.executeTest(self.configurePrefetch)
487    self.executeTest(self.configureExpect);
488    self.executeTest(self.configureIntptrt);
489    self.executeTest(self.configureSolaris)
490    self.executeTest(self.configureLinux)
491    self.executeTest(self.configureWin32)
492    self.executeTest(self.configureDefaultArch)
493    self.executeTest(self.configureScript)
494    self.executeTest(self.configureInstall)
495    self.executeTest(self.configureGCOV)
496    self.executeTest(self.configureFortranFlush)
497    # dummy rules, always needed except for remote builds
498    self.addMakeRule('remote','')
499    self.addMakeRule('remoteclean','')
500
501    self.Dump()
502    self.dumpConfigInfo()
503    self.framework.log.write('================================================================================\n')
504    self.logClear()
505    return
506