xref: /petsc/config/PETSc/Configure.py (revision 7fdeb8b9be692273ce99bf256278a44482a052ca)
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.make.getMakeMacro('MAKE_IS_GNUMAKE'):
24      build_type = 'gnumake build'
25    elif self.getMakeMacro('PETSC_BUILD_USING_CMAKE'):
26      build_type = 'cmake build'
27    else:
28      build_type = 'legacy build'
29    desc.append(' Configure stage complete. Now build PETSc libraries with (%s):' % build_type)
30    desc.append('   make PETSC_DIR='+self.petscdir.dir+' PETSC_ARCH='+self.arch.arch+' all')
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.arch)
48    self.installdir    = framework.require('PETSc.utilities.installDir',self)
49    self.languages     = framework.require('PETSc.utilities.languages', self.setCompilers)
50    self.debugging     = framework.require('PETSc.utilities.debugging', self.setCompilers)
51    self.CHUD          = framework.require('PETSc.utilities.CHUD',      self)
52    self.compilers     = framework.require('config.compilers',          self)
53    self.types         = framework.require('config.types',              self)
54    self.headers       = framework.require('config.headers',            self)
55    self.functions     = framework.require('config.functions',          self)
56    self.libraries     = framework.require('config.libraries',          self)
57    self.atomics       = framework.require('config.atomics',            self)
58    self.make          = framework.require('config.packages.make',      self)
59    self.blasLapack    = framework.require('config.packages.BlasLapack',self)
60    self.externalpackagesdir = framework.require('PETSc.utilities.externalpackagesdir',self)
61
62    if os.path.isdir(os.path.join('config', 'PETSc')):
63      for d in ['utilities', 'packages']:
64        for utility in os.listdir(os.path.join('config', 'PETSc', d)):
65          (utilityName, ext) = os.path.splitext(utility)
66          if not utilityName.startswith('.') and not utilityName.startswith('#') and ext == '.py' and not utilityName == '__init__':
67            utilityObj                    = self.framework.require('PETSc.'+d+'.'+utilityName, self)
68            utilityObj.headerPrefix       = self.headerPrefix
69            utilityObj.archProvider       = self.arch
70            utilityObj.languageProvider   = self.languages
71            utilityObj.installDirProvider = self.installdir
72            utilityObj.externalPackagesDirProvider = self.externalpackagesdir
73            setattr(self, utilityName.lower(), utilityObj)
74
75    for package in config.packages.all:
76      if not package == 'PETSc':
77        packageObj                    = framework.require('config.packages.'+package, self)
78        packageObj.archProvider       = self.arch
79        packageObj.languageProvider   = self.languages
80        packageObj.installDirProvider = self.installdir
81        packageObj.externalPackagesDirProvider = self.externalpackagesdir
82        setattr(self, package.lower(), packageObj)
83    # Force blaslapack to depend on scalarType so precision is set before BlasLapack is built
84    framework.require('PETSc.utilities.scalarTypes', self.f2cblaslapack)
85    self.f2cblaslapack.precisionProvider = self.scalartypes
86    framework.require('PETSc.utilities.scalarTypes', self.blaslapack)
87    self.blaslapack.precisionProvider = self.scalartypes
88
89    self.compilers.headerPrefix  = self.headerPrefix
90    self.types.headerPrefix      = self.headerPrefix
91    self.headers.headerPrefix    = self.headerPrefix
92    self.functions.headerPrefix  = self.headerPrefix
93    self.libraries.headerPrefix  = self.headerPrefix
94    self.blaslapack.headerPrefix = self.headerPrefix
95    self.mpi.headerPrefix        = self.headerPrefix
96    headersC = map(lambda name: name+'.h', ['setjmp','dos', 'endian', 'fcntl', 'float', 'io', 'limits', 'malloc', 'pwd', 'search', 'strings',
97                                            'unistd', 'sys/sysinfo', 'machine/endian', 'sys/param', 'sys/procfs', 'sys/resource',
98                                            'sys/systeminfo', 'sys/times', 'sys/utsname','string', 'stdlib',
99                                            'sys/socket','sys/wait','netinet/in','netdb','Direct','time','Ws2tcpip','sys/types',
100                                            'WindowsX', 'cxxabi','float','ieeefp','stdint','sched','pthread','mathimf'])
101    functions = ['access', '_access', 'clock', 'drand48', 'getcwd', '_getcwd', 'getdomainname', 'gethostname',
102                 'gettimeofday', 'getwd', 'memalign', 'memmove', 'mkstemp', 'popen', 'PXFGETARG', 'rand', 'getpagesize',
103                 'readlink', 'realpath',  'sigaction', 'signal', 'sigset', 'usleep', 'sleep', '_sleep', 'socket',
104                 'times', 'gethostbyname', 'uname','snprintf','_snprintf','lseek','_lseek','time','fork','stricmp',
105                 'strcasecmp', 'bzero', 'dlopen', 'dlsym', 'dlclose', 'dlerror','get_nprocs','sysctlbyname',
106                 '_intel_fast_memcpy','_intel_fast_memset']
107    libraries1 = [(['socket', 'nsl'], 'socket'), (['fpe'], 'handle_sigfpes')]
108    self.headers.headers.extend(headersC)
109    self.functions.functions.extend(functions)
110    self.libraries.libraries.extend(libraries1)
111
112    return
113
114  def DumpPkgconfig(self):
115    ''' Create a pkg-config file '''
116    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig')):
117      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig'))
118    fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','pkgconfig','PETSc.pc'),'w')
119    if self.framework.argDB['prefix']:
120      installdir = self.framework.argDB['prefix']
121      fd.write('prefix='+installdir+'\n')
122      fd.write('exec_prefix=${prefix}\n')
123      fd.write('includedir=${prefix}/include\n')
124      fd.write('libdir='+os.path.join(installdir,'lib')+'\n')
125    else:
126      fd.write('prefix='+self.petscdir.dir+'\n')
127      fd.write('exec_prefix=${prefix}\n')
128      fd.write('includedir=${prefix}/include\n')
129      fd.write('libdir='+os.path.join(self.petscdir.dir,self.arch.arch,'lib')+'\n')
130
131    self.setCompilers.pushLanguage('C')
132    fd.write('ccompiler='+self.setCompilers.getCompiler()+'\n')
133    self.setCompilers.popLanguage()
134    if hasattr(self.compilers, 'C++'):
135      self.setCompilers.pushLanguage('C++')
136      fd.write('cxxcompiler='+self.setCompilers.getCompiler()+'\n')
137      self.setCompilers.popLanguage()
138    if hasattr(self.compilers, 'FC'):
139      self.setCompilers.pushLanguage('FC')
140      fd.write('fcompiler='+self.setCompilers.getCompiler()+'\n')
141      self.setCompilers.popLanguage()
142    fd.write('blaslapacklibs='+self.libraries.toStringNoDupes(self.blaslapack.lib)+'\n')
143
144    fd.write('\n')
145    fd.write('Name: PETSc\n')
146    fd.write('Description: Library to solve ODEs and algebraic equations\n')
147    fd.write('Version: %s\n' % self.petscdir.version)
148
149    fd.write('Cflags: '+self.allincludes+'\n')
150
151    plibs = self.libraries.toStringNoDupes(['-L'+os.path.join(self.petscdir.dir,self.arch.arch,'lib'),' -lpetsc'])
152    if self.framework.argDB['prefix']:
153      fd.write('Libs: '+plibs.replace(os.path.join(self.petscdir.dir,self.arch.arch),self.framework.argDB['prefix'])+'\n')
154    else:
155      fd.write('Libs: '+plibs+'\n')
156    fd.write('Libs.private: '+' '.join(self.packagelibs+self.libraries.math+self.compilers.flibs+self.compilers.cxxlibs+self.compilers.LIBS.split(' ')))
157
158    fd.close()
159    return
160
161  def DumpModule(self):
162    ''' Create a module file '''
163    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules')):
164      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules'))
165    if self.framework.argDB['prefix']:
166      installdir  = self.framework.argDB['prefix']
167      installarch = ''
168      installpath = os.path.join(installdir,'bin')
169      fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules',self.petscdir.version),'w')
170    else:
171      installdir  = self.petscdir.dir
172      installarch = self.arch.arch
173      installpath = os.path.join(installdir,installarch,'bin')+':'+os.path.join(installdir,'bin')
174      fd = open(os.path.join(self.petscdir.dir,self.arch.arch,'lib','modules',self.petscdir.version+'-'+self.arch.arch),'w')
175    fd.write('''\
176#%%Module
177
178proc ModulesHelp { } {
179    puts stderr "This module sets the path and environment variables for petsc-%s"
180    puts stderr "     see http://www.mcs.anl.gov/petsc/ for more information      "
181    puts stderr ""
182}
183module-whatis "PETSc - Portable, Extensible Toolkit for Scientific Computation"
184
185set petsc_dir   %s
186set petsc_arch  %s
187
188setenv PETSC_ARCH $petsc_arch
189setenv PETSC_DIR $petsc_dir
190prepend-path PATH %s
191''' % (self.petscdir.version, installdir, installarch, installpath))
192    fd.close()
193    return
194
195  def Dump(self):
196    ''' Actually put the values into the configuration files '''
197    # eventually everything between -- should be gone
198    if self.mpi.usingMPIUni:
199      #
200      # Remove any MPI/MPICH include files that may have been put here by previous runs of ./configure
201      self.executeShellCommand('rm -rf  '+os.path.join(self.petscdir.dir,self.arch.arch,'include','mpi*')+' '+os.path.join(self.petscdir.dir,self.arch.arch,'include','opa*'))
202
203#-----------------------------------------------------------------------------------------------------
204
205    # Sometimes we need C compiler, even if built with C++
206    self.setCompilers.pushLanguage('C')
207    self.addMakeMacro('CC_FLAGS',self.setCompilers.getCompilerFlags())
208    self.setCompilers.popLanguage()
209
210    # And sometimes we need a C++ compiler even when PETSc is built with C
211    if hasattr(self.compilers, 'CXX'):
212      self.setCompilers.pushLanguage('Cxx')
213      self.addMakeMacro('CXX_FLAGS',self.setCompilers.getCompilerFlags())
214      self.setCompilers.popLanguage()
215
216    # C preprocessor values
217    self.addMakeMacro('CPP_FLAGS',self.setCompilers.CPPFLAGS+self.CHUD.CPPFLAGS)
218
219    # compiler values
220    self.setCompilers.pushLanguage(self.languages.clanguage)
221    self.addMakeMacro('PCC',self.setCompilers.getCompiler())
222    self.addMakeMacro('PCC_FLAGS',self.setCompilers.getCompilerFlags())
223    self.setCompilers.popLanguage()
224    # .o or .obj
225    self.addMakeMacro('CC_SUFFIX','o')
226
227    # executable linker values
228    self.setCompilers.pushLanguage(self.languages.clanguage)
229    pcc_linker = self.setCompilers.getLinker()
230    self.addMakeMacro('PCC_LINKER',pcc_linker)
231    self.addMakeMacro('PCC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
232    self.setCompilers.popLanguage()
233    # '' for Unix, .exe for Windows
234    self.addMakeMacro('CC_LINKER_SUFFIX','')
235
236    if hasattr(self.compilers, 'FC'):
237      self.setCompilers.pushLanguage('FC')
238      # need FPPFLAGS in config/setCompilers
239      self.addDefine('HAVE_FORTRAN','1')
240      self.addMakeMacro('FPP_FLAGS',self.setCompilers.CPPFLAGS)
241
242      # compiler values
243      self.addMakeMacro('FC_FLAGS',self.setCompilers.getCompilerFlags())
244      self.setCompilers.popLanguage()
245      # .o or .obj
246      self.addMakeMacro('FC_SUFFIX','o')
247
248      # executable linker values
249      self.setCompilers.pushLanguage('FC')
250      # Cannot have NAG f90 as the linker - so use pcc_linker as fc_linker
251      fc_linker = self.setCompilers.getLinker()
252      if config.setCompilers.Configure.isNAG(fc_linker):
253        self.addMakeMacro('FC_LINKER',pcc_linker)
254      else:
255        self.addMakeMacro('FC_LINKER',fc_linker)
256      self.addMakeMacro('FC_LINKER_FLAGS',self.setCompilers.getLinkerFlags())
257      # apple requires this shared library linker flag on SOME versions of the os
258      if self.setCompilers.getLinkerFlags().find('-Wl,-commons,use_dylibs') > -1:
259        self.addMakeMacro('DARWIN_COMMONS_USE_DYLIBS',' -Wl,-commons,use_dylibs ')
260      self.setCompilers.popLanguage()
261
262      # F90 Modules
263      if self.setCompilers.fortranModuleIncludeFlag:
264        self.addMakeMacro('FC_MODULE_FLAG', self.setCompilers.fortranModuleIncludeFlag)
265      else: # for non-f90 compilers like g77
266        self.addMakeMacro('FC_MODULE_FLAG', '-I')
267      if self.setCompilers.fortranModuleIncludeFlag:
268        self.addMakeMacro('FC_MODULE_OUTPUT_FLAG', self.setCompilers.fortranModuleOutputFlag)
269    else:
270      self.addMakeMacro('FC','')
271
272    if hasattr(self.compilers, 'CUDAC'):
273      self.setCompilers.pushLanguage('CUDA')
274      self.addMakeMacro('CUDAC_FLAGS',self.setCompilers.getCompilerFlags())
275      self.setCompilers.popLanguage()
276
277    # shared library linker values
278    self.setCompilers.pushLanguage(self.languages.clanguage)
279    # need to fix BuildSystem to collect these separately
280    self.addMakeMacro('SL_LINKER',self.setCompilers.getLinker())
281    self.addMakeMacro('SL_LINKER_FLAGS','${PCC_LINKER_FLAGS}')
282    self.setCompilers.popLanguage()
283    # One of 'a', 'so', 'lib', 'dll', 'dylib' (perhaps others also?) depending on the library generator and architecture
284    # Note: . is not included in this macro, consistent with AR_LIB_SUFFIX
285    if self.setCompilers.sharedLibraryExt == self.setCompilers.AR_LIB_SUFFIX:
286      self.addMakeMacro('SL_LINKER_SUFFIX', '')
287      self.addDefine('SLSUFFIX','""')
288    else:
289      self.addMakeMacro('SL_LINKER_SUFFIX', self.setCompilers.sharedLibraryExt)
290      self.addDefine('SLSUFFIX','"'+self.setCompilers.sharedLibraryExt+'"')
291
292    self.addMakeMacro('SL_LINKER_LIBS','${PETSC_EXTERNAL_LIB_BASIC}')
293
294#-----------------------------------------------------------------------------------------------------
295
296    # CONLY or CPP. We should change the PETSc makefiles to do this better
297    if self.languages.clanguage == 'C': lang = 'CONLY'
298    else: lang = 'CXXONLY'
299    self.addMakeMacro('PETSC_LANGUAGE',lang)
300
301    # real or complex
302    self.addMakeMacro('PETSC_SCALAR',self.scalartypes.scalartype)
303    # double or float
304    self.addMakeMacro('PETSC_PRECISION',self.scalartypes.precision)
305
306    if self.framework.argDB['with-batch']:
307      self.addMakeMacro('PETSC_WITH_BATCH','1')
308
309    # Test for compiler-specific macros that need to be defined.
310    if self.setCompilers.isCrayVector('CC'):
311      self.addDefine('HAVE_CRAY_VECTOR','1')
312
313#-----------------------------------------------------------------------------------------------------
314    if self.functions.haveFunction('gethostbyname') and self.functions.haveFunction('socket') and self.headers.haveHeader('netinet/in.h'):
315      self.addDefine('USE_SOCKET_VIEWER','1')
316      if self.checkCompile('#include <sys/socket.h>','setsockopt(0,SOL_SOCKET,SO_REUSEADDR,0,0)'):
317        self.addDefine('HAVE_SO_REUSEADDR','1')
318
319#-----------------------------------------------------------------------------------------------------
320    # print include and lib for makefiles
321    self.framework.packages.reverse()
322    includes = [os.path.join(self.petscdir.dir,'include'),os.path.join(self.petscdir.dir,self.arch.arch,'include')]
323    libs = []
324    for i in self.framework.packages:
325      if i.useddirectly:
326        self.addDefine('HAVE_'+i.PACKAGE.replace('-','_'), 1)  # ONLY list package if it is used directly by PETSc (and not only by another package)
327      if not isinstance(i.lib, list):
328        i.lib = [i.lib]
329      libs.extend(i.lib)
330      self.addMakeMacro(i.PACKAGE.replace('-','_')+'_LIB', self.libraries.toStringNoDupes(i.lib))
331      if hasattr(i,'include'):
332        if not isinstance(i.include,list):
333          i.include = [i.include]
334        includes.extend(i.include)
335        self.addMakeMacro(i.PACKAGE.replace('-','_')+'_INCLUDE',self.headers.toStringNoDupes(i.include))
336    self.packagelibs = libs
337    if self.framework.argDB['with-single-library']:
338      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
339      self.addMakeMacro('PETSC_WITH_EXTERNAL_LIB',self.alllibs)
340    else:
341      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
342    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)
343    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
344    self.allincludes = self.headers.toStringNoDupes(includes)
345    self.addMakeMacro('PETSC_CC_INCLUDES',self.allincludes)
346    self.PETSC_CC_INCLUDES = self.allincludes
347    if hasattr(self.compilers, 'FC'):
348      if self.compilers.fortranIsF90:
349        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes,includes))
350      else:
351        self.addMakeMacro('PETSC_FC_INCLUDES',self.headers.toStringNoDupes(includes))
352
353    self.addMakeMacro('DESTDIR',self.installdir)
354    self.addDefine('LIB_DIR','"'+os.path.join(self.installdir,'lib')+'"')
355
356    if self.framework.argDB['with-single-library']:
357      # overrides the values set in conf/variables
358      self.addMakeMacro('LIBNAME','${INSTALL_LIB_DIR}/libpetsc.${AR_LIB_SUFFIX}')
359      self.addMakeMacro('SHLIBS','libpetsc')
360      self.addMakeMacro('PETSC_LIB_BASIC','-lpetsc')
361      self.addMakeMacro('PETSC_KSP_LIB_BASIC','-lpetsc')
362      self.addMakeMacro('PETSC_TS_LIB_BASIC','-lpetsc')
363      self.addMakeMacro('PETSC_TAO_LIB_BASIC','-lpetsc')
364      self.addDefine('USE_SINGLE_LIBRARY', '1')
365      if self.sharedlibraries.useShared:
366        self.addMakeMacro('PETSC_SYS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
367        self.addMakeMacro('PETSC_VEC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
368        self.addMakeMacro('PETSC_MAT_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
369        self.addMakeMacro('PETSC_DM_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
370        self.addMakeMacro('PETSC_KSP_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
371        self.addMakeMacro('PETSC_SNES_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
372        self.addMakeMacro('PETSC_TS_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
373        self.addMakeMacro('PETSC_TAO_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
374        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
375        self.addMakeMacro('PETSC_LIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
376        self.addMakeMacro('PETSC_CONTRIB','${C_SH_LIB_PATH} ${PETSC_WITH_EXTERNAL_LIB}')
377      else:
378        self.addMakeMacro('PETSC_SYS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
379        self.addMakeMacro('PETSC_VEC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
380        self.addMakeMacro('PETSC_MAT_LIB','${PETSC_WITH_EXTERNAL_LIB}')
381        self.addMakeMacro('PETSC_DM_LIB','${PETSC_WITH_EXTERNAL_LIB}')
382        self.addMakeMacro('PETSC_KSP_LIB','${PETSC_WITH_EXTERNAL_LIB}')
383        self.addMakeMacro('PETSC_SNES_LIB','${PETSC_WITH_EXTERNAL_LIB}')
384        self.addMakeMacro('PETSC_TS_LIB','${PETSC_WITH_EXTERNAL_LIB}')
385        self.addMakeMacro('PETSC_TAO_LIB','${PETSC_WITH_EXTERNAL_LIB}')
386        self.addMakeMacro('PETSC_CHARACTERISTIC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
387        self.addMakeMacro('PETSC_LIB','${PETSC_WITH_EXTERNAL_LIB}')
388        self.addMakeMacro('PETSC_CONTRIB','${PETSC_WITH_EXTERNAL_LIB}')
389
390    if not os.path.exists(os.path.join(self.petscdir.dir,self.arch.arch,'lib')):
391      os.makedirs(os.path.join(self.petscdir.dir,self.arch.arch,'lib'))
392
393    # add a makefile entry for configure options
394    self.addMakeMacro('CONFIGURE_OPTIONS', self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"'))
395    return
396
397  def dumpConfigInfo(self):
398    import time
399    fd = file(os.path.join(self.arch.arch,'include','petscconfiginfo.h'),'w')
400    fd.write('static const char *petscconfigureoptions = "'+self.framework.getOptionsString(['configModules', 'optionsModule']).replace('\"','\\"')+'";\n')
401    fd.close()
402    return
403
404  def dumpMachineInfo(self):
405    import platform
406    import time
407    import script
408    def escape(s):
409      return s.replace('"',r'\"').replace(r'\ ',r'\\ ')
410    fd = file(os.path.join(self.arch.arch,'include','petscmachineinfo.h'),'w')
411    fd.write('static const char *petscmachineinfo = \"\\n\"\n')
412    fd.write('\"-----------------------------------------\\n\"\n')
413    fd.write('\"Libraries compiled on %s on %s \\n\"\n' % (time.ctime(time.time()), platform.node()))
414    fd.write('\"Machine characteristics: %s\\n\"\n' % (platform.platform()))
415    fd.write('\"Using PETSc directory: %s\\n\"\n' % (escape(self.petscdir.dir)))
416    fd.write('\"Using PETSc arch: %s\\n\"\n' % (escape(self.arch.arch)))
417    fd.write('\"-----------------------------------------\\n\";\n')
418    fd.write('static const char *petsccompilerinfo = \"\\n\"\n')
419    self.setCompilers.pushLanguage(self.languages.clanguage)
420    fd.write('\"Using C compiler: %s %s ${COPTFLAGS} ${CFLAGS}\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags())))
421    self.setCompilers.popLanguage()
422    if hasattr(self.compilers, 'FC'):
423      self.setCompilers.pushLanguage('FC')
424      fd.write('\"Using Fortran compiler: %s %s ${FOPTFLAGS} ${FFLAGS} %s\\n\"\n' % (escape(self.setCompilers.getCompiler()), escape(self.setCompilers.getCompilerFlags()), escape(self.setCompilers.CPPFLAGS)))
425      self.setCompilers.popLanguage()
426    fd.write('\"-----------------------------------------\\n\";\n')
427    fd.write('static const char *petsccompilerflagsinfo = \"\\n\"\n')
428    fd.write('\"Using include paths: %s %s %s\\n\"\n' % ('-I'+escape(os.path.join(self.petscdir.dir, self.arch.arch, 'include')), '-I'+escape(os.path.join(self.petscdir.dir, 'include')), escape(self.PETSC_CC_INCLUDES)))
429    fd.write('\"-----------------------------------------\\n\";\n')
430    fd.write('static const char *petsclinkerinfo = \"\\n\"\n')
431    self.setCompilers.pushLanguage(self.languages.clanguage)
432    fd.write('\"Using C linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
433    self.setCompilers.popLanguage()
434    if hasattr(self.compilers, 'FC'):
435      self.setCompilers.pushLanguage('FC')
436      fd.write('\"Using Fortran linker: %s\\n\"\n' % (escape(self.setCompilers.getLinker())))
437      self.setCompilers.popLanguage()
438    if self.framework.argDB['with-single-library']:
439      petsclib = '-lpetsc'
440    else:
441      petsclib = '-lpetscts -lpetscsnes -lpetscksp -lpetscdm -lpetscmat -lpetscvec -lpetscsys'
442    fd.write('\"Using libraries: %s%s -L%s %s %s\\n\"\n' % (escape(self.setCompilers.CSharedLinkerFlag), escape(os.path.join(self.petscdir.dir, self.arch.arch, 'lib')), escape(os.path.join(self.petscdir.dir, self.arch.arch, 'lib')), escape(petsclib), escape(self.PETSC_EXTERNAL_LIB_BASIC)))
443    fd.write('\"-----------------------------------------\\n\";\n')
444    fd.close()
445    return
446
447  def dumpCMakeConfig(self):
448    '''
449    Writes configuration-specific values to ${PETSC_ARCH}/conf/PETScConfig.cmake.
450    This file is private to PETSc and should not be included by third parties
451    (a suitable file can be produced later by CMake, but this is not it).
452    '''
453    def cmakeset(fd,key,val=True):
454      if val == True: val = 'YES'
455      if val == False: val = 'NO'
456      fd.write('set (' + key + ' ' + val + ')\n')
457    def ensurelist(a):
458      if isinstance(a,list):
459        return a
460      else:
461        return [a]
462    def libpath(lib):
463      'Returns a search path if that is what this item provides, else "" which will be cleaned out later'
464      if not isinstance(lib,str): return ''
465      if lib.startswith('-L'): return lib[2:]
466      if lib.startswith('-R'): return lib[2:]
467      if lib.startswith('-Wl,-rpath,'):
468        # This case occurs when an external package needs a specific system library that is normally provided by the compiler.
469        # In other words, the -L path is builtin to the wrapper or compiler, here we provide it so that CMake can locate the
470        # corresponding library.
471        return lib[len('-Wl,-rpath,'):]
472      if lib.startswith('-'): return ''
473      return os.path.dirname(lib)
474    def cleanlib(lib):
475      'Returns a library name if that is what this item provides, else "" which will be cleaned out later'
476      if not isinstance(lib,str): return ''
477      if lib.startswith('-l'):  return lib[2:]
478      if lib.startswith('-Wl') or lib.startswith('-L'): return ''
479      lib = os.path.splitext(os.path.basename(lib))[0]
480      if lib.startswith('lib'): return lib[3:]
481      return lib
482    def nub(lst):
483      'Return a list containing the first occurrence of each unique element'
484      unique = []
485      for elem in lst:
486        if elem not in unique and elem != '':
487          unique.append(elem)
488      return unique
489    try: reversed # reversed was added in Python-2.4
490    except NameError:
491      def reversed(lst): return lst[::-1]
492    def nublast(lst):
493      'Return a list containing the last occurrence of each unique entry in a list'
494      return reversed(nub(reversed(lst)))
495    def cmakeexpand(varname):
496      return r'"${' + varname + r'}"'
497    def uniqextend(lst,new):
498      for x in ensurelist(new):
499        if x not in lst:
500          lst.append(x)
501    def notstandardinclude(path):
502      return path not in '/usr/include'.split() # /usr/local/include is not automatically included on FreeBSD
503    def writeMacroDefinitions(fd):
504      if self.mpi.usingMPIUni:
505        cmakeset(fd,'PETSC_HAVE_MPIUNI')
506      for pkg in self.framework.packages:
507        if pkg.useddirectly:
508          cmakeset(fd,'PETSC_HAVE_' + pkg.PACKAGE.replace('-','_'))
509        for pair in pkg.defines.items():
510          if pair[0].startswith('HAVE_') and pair[1]:
511            cmakeset(fd, self.framework.getFullDefineName(pkg, pair[0]), pair[1])
512      for name,val in self.functions.defines.items():
513        cmakeset(fd,'PETSC_'+name,val)
514      for dct in [self.defines, self.libraryoptions.defines]:
515        for k,v in dct.items():
516          if k.startswith('USE_'):
517            cmakeset(fd,'PETSC_' + k, v)
518      cmakeset(fd,'PETSC_USE_COMPLEX', self.scalartypes.scalartype == 'complex')
519      cmakeset(fd,'PETSC_USE_REAL_' + self.scalartypes.precision.upper())
520      cmakeset(fd,'PETSC_CLANGUAGE_'+self.languages.clanguage)
521      if hasattr(self.compilers, 'FC'):
522        cmakeset(fd,'PETSC_HAVE_FORTRAN')
523        if self.compilers.fortranIsF90:
524          cmakeset(fd,'PETSC_USING_F90')
525        if self.compilers.fortranIsF2003:
526          cmakeset(fd,'PETSC_USING_F2003')
527      if hasattr(self.compilers, 'CXX'):
528        cmakeset(fd,'PETSC_HAVE_CXX')
529      if self.sharedlibraries.useShared:
530        cmakeset(fd,'BUILD_SHARED_LIBS')
531    def writeBuildFlags(fd):
532      def extendby(lib):
533        libs = ensurelist(lib)
534        lib_paths.extend(map(libpath,libs))
535        lib_libs.extend(map(cleanlib,libs))
536      lib_paths = []
537      lib_libs  = []
538      includes  = []
539      libvars   = []
540      for pkg in self.framework.packages:
541        extendby(pkg.lib)
542        uniqextend(includes,pkg.include)
543      extendby(self.libraries.math)
544      extendby(self.libraries.rt)
545      extendby(self.compilers.flibs)
546      extendby(self.compilers.cxxlibs)
547      extendby(self.compilers.LIBS.split())
548      for libname in nublast(lib_libs):
549        libvar = 'PETSC_' + libname.upper() + '_LIB'
550        addpath = ''
551        for lpath in nublast(lib_paths):
552          addpath += '"' + str(lpath) + '" '
553        fd.write('find_library (' + libvar + ' ' + libname + ' HINTS ' + addpath + ')\n')
554        libvars.append(libvar)
555      fd.write('mark_as_advanced (' + ' '.join(libvars) + ')\n')
556      fd.write('set (PETSC_PACKAGE_LIBS ' + ' '.join(map(cmakeexpand,libvars)) + ')\n')
557      includes = filter(notstandardinclude,includes)
558      fd.write('set (PETSC_PACKAGE_INCLUDES ' + ' '.join(map(lambda i: '"'+i+'"',includes)) + ')\n')
559    fd = open(os.path.join(self.arch.arch,'conf','PETScConfig.cmake'), 'w')
560    writeMacroDefinitions(fd)
561    writeBuildFlags(fd)
562    fd.close()
563    return
564
565  def dumpCMakeLists(self):
566    import sys
567    if sys.version_info >= (2,4):
568      import cmakegen
569      try:
570        cmakegen.main(self.petscdir.dir, log=self.framework.log)
571      except (OSError), e:
572        self.framework.logPrint('Generating CMakeLists.txt failed:\n' + str(e))
573    else:
574      self.framework.logPrint('Skipping cmakegen due to old python version: ' +str(sys.version_info) )
575
576  def cmakeBoot(self):
577    import sys
578    self.cmakeboot_success = False
579    if sys.version_info >= (2,4) and hasattr(self.cmake,'cmake'):
580      try:
581        import cmakeboot
582        self.cmakeboot_success = cmakeboot.main(petscdir=self.petscdir.dir,petscarch=self.arch.arch,argDB=self.argDB,framework=self.framework,log=self.framework.log)
583      except (OSError), e:
584        self.framework.logPrint('Booting CMake in PETSC_ARCH failed:\n' + str(e))
585      except (ImportError, KeyError), e:
586        self.framework.logPrint('Importing cmakeboot failed:\n' + str(e))
587      if self.cmakeboot_success:
588        if hasattr(self.compilers, 'FC') and self.compilers.fortranIsF90 and not self.setCompilers.fortranModuleOutputFlag:
589          self.framework.logPrint('CMake configured successfully, but could not be used by default because of missing fortranModuleOutputFlag\n')
590        else:
591          self.framework.logPrint('CMake configured successfully, using as default build\n')
592          self.addMakeMacro('PETSC_BUILD_USING_CMAKE',1)
593      else:
594        self.framework.logPrint('CMake configuration was unsuccessful\n')
595    else:
596      self.framework.logPrint('Skipping cmakeboot due to old python version: ' +str(sys.version_info) )
597    return
598
599  def configurePrefetch(self):
600    '''Sees if there are any prefetch functions supported'''
601    if config.setCompilers.Configure.isSolaris() or self.framework.argDB['with-ios']:
602      self.addDefine('Prefetch(a,b,c)', ' ')
603      return
604    self.pushLanguage(self.languages.clanguage)
605    if self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch((const char*)v,_MM_HINT_NTA);\n'):
606      # The Intel Intrinsics manual [1] specifies the prototype
607      #
608      #   void _mm_prefetch(char const *a, int sel);
609      #
610      # but other vendors seem to insist on using subtly different
611      # prototypes, including void* for the pointer, and an enum for
612      # sel.  These are both reasonable changes, but negatively impact
613      # portability.
614      #
615      # [1] http://software.intel.com/file/6373
616      self.addDefine('HAVE_XMMINTRIN_H', 1)
617      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const char*)(a),(c))')
618      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
619      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
620      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
621      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
622    elif self.checkLink('#include <xmmintrin.h>', 'void *v = 0;_mm_prefetch(v,_MM_HINT_NTA);\n'):
623      self.addDefine('HAVE_XMMINTRIN_H', 1)
624      self.addDefine('Prefetch(a,b,c)', '_mm_prefetch((const void*)(a),(c))')
625      self.addDefine('PREFETCH_HINT_NTA', '_MM_HINT_NTA')
626      self.addDefine('PREFETCH_HINT_T0',  '_MM_HINT_T0')
627      self.addDefine('PREFETCH_HINT_T1',  '_MM_HINT_T1')
628      self.addDefine('PREFETCH_HINT_T2',  '_MM_HINT_T2')
629    elif self.checkLink('', 'void *v = 0;__builtin_prefetch(v,0,0);\n'):
630      # From GCC docs: void __builtin_prefetch(const void *addr,int rw,int locality)
631      #
632      #   The value of rw is a compile-time constant one or zero; one
633      #   means that the prefetch is preparing for a write to the memory
634      #   address and zero, the default, means that the prefetch is
635      #   preparing for a read. The value locality must be a compile-time
636      #   constant integer between zero and three. A value of zero means
637      #   that the data has no temporal locality, so it need not be left
638      #   in the cache after the access. A value of three means that the
639      #   data has a high degree of temporal locality and should be left
640      #   in all levels of cache possible. Values of one and two mean,
641      #   respectively, a low or moderate degree of temporal locality.
642      #
643      # Here we adopt Intel's x86/x86-64 naming scheme for the locality
644      # hints.  Using macros for these values in necessary since some
645      # compilers require an enum.
646      self.addDefine('Prefetch(a,b,c)', '__builtin_prefetch((a),(b),(c))')
647      self.addDefine('PREFETCH_HINT_NTA', '0')
648      self.addDefine('PREFETCH_HINT_T0',  '3')
649      self.addDefine('PREFETCH_HINT_T1',  '2')
650      self.addDefine('PREFETCH_HINT_T2',  '1')
651    else:
652      self.addDefine('Prefetch(a,b,c)', ' ')
653    self.popLanguage()
654
655  def configureAtoll(self):
656    '''Checks if atoll exists'''
657    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")'):
658       self.addDefine('HAVE_ATOLL', '1')
659
660  def configureUnused(self):
661    '''Sees if __attribute((unused)) is supported'''
662    if self.framework.argDB['with-ios']:
663      self.addDefine('UNUSED', ' ')
664      return
665    self.pushLanguage(self.languages.clanguage)
666    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'):
667      self.addDefine('UNUSED', '__attribute((unused))')
668    else:
669      self.addDefine('UNUSED', ' ')
670    self.popLanguage()
671
672  def configureDeprecated(self):
673    '''Check if __attribute((deprecated)) is supported'''
674    self.pushLanguage(self.languages.clanguage)
675    ## Recent versions of gcc and clang support __attribute((deprecated("string argument"))), which is very useful, but
676    ## Intel has conspired to make a supremely environment-sensitive compiler.  The Intel compiler looks at the gcc
677    ## executable in the environment to determine the language compatibility that it should attempt to emulate.  Some
678    ## important Cray installations have built PETSc using the Intel compiler, but with a newer gcc module loaded (e.g.,
679    ## 4.7).  Thus at PETSc configure time, the Intel compiler decides to support the string argument, but the the gcc
680    ## found in the default user environment is older and does not support the argument.  If GCC and Intel were cool
681    ## like Clang and supported __has_attribute, we could avoid configure tests entirely, but they don't.  And that is
682    ## why we can't have nice things.
683    #
684    # if self.checkCompile("""__attribute((deprecated("Why you shouldn't use myfunc"))) static int myfunc(void) { return 1;}""", ''):
685    #   self.addDefine('DEPRECATED(why)', '__attribute((deprecated(why)))')
686    if self.checkCompile("""__attribute((deprecated)) static int myfunc(void) { return 1;}""", ''):
687      self.addDefine('DEPRECATED(why)', '__attribute((deprecated))')
688    else:
689      self.addDefine('DEPRECATED(why)', ' ')
690    self.popLanguage()
691
692  def configureExpect(self):
693    '''Sees if the __builtin_expect directive is supported'''
694    self.pushLanguage(self.languages.clanguage)
695    if self.checkLink('', 'if (__builtin_expect(0,1)) return 1;'):
696      self.addDefine('HAVE_BUILTIN_EXPECT', 1)
697    self.popLanguage()
698
699  def configureFunctionName(self):
700    '''Sees if the compiler supports __func__ or a variant.  Falls back
701    on __FUNCT__ which PETSc source defines, but most users do not, thus
702    stack traces through user code are better when the compiler's
703    variant is used.'''
704    def getFunctionName(lang):
705      name = '__FUNCT__'
706      self.pushLanguage(lang)
707      if self.checkLink('', "if (__func__[0] != 'm') return 1;"):
708        name = '__func__'
709      elif self.checkLink('', "if (__FUNCTION__[0] != 'm') return 1;"):
710        name = '__FUNCTION__'
711      self.popLanguage()
712      return name
713    langs = []
714
715    self.addDefine('FUNCTION_NAME_C', getFunctionName('C'))
716    if hasattr(self.compilers, 'CXX'):
717      self.addDefine('FUNCTION_NAME_CXX', getFunctionName('Cxx'))
718    else:
719      self.addDefine('FUNCTION_NAME_CXX', '__FUNCT__')
720
721  def configureIntptrt(self):
722    '''Determine what to use for uintptr_t'''
723    def staticAssertSizeMatchesVoidStar(inc,typename):
724      # The declaration is an error if either array size is negative.
725      # It should be okay to use an int that is too large, but it would be very unlikely for this to be the case
726      return self.checkCompile(inc, ('#define STATIC_ASSERT(cond) char negative_length_if_false[2*(!!(cond))-1]\n'
727                                     + 'STATIC_ASSERT(sizeof(void*) == sizeof(%s));'%typename))
728    self.pushLanguage(self.languages.clanguage)
729    if self.checkCompile('#include <stdint.h>', 'int x; uintptr_t i = (uintptr_t)&x;'):
730      self.addDefine('UINTPTR_T', 'uintptr_t')
731    elif staticAssertSizeMatchesVoidStar('','unsigned long long'):
732      self.addDefine('UINTPTR_T', 'unsigned long long')
733    elif staticAssertSizeMatchesVoidStar('#include <stdlib.h>','size_t') or staticAssertSizeMatchesVoidStar('#include <string.h>', 'size_t'):
734      self.addDefine('UINTPTR_T', 'size_t')
735    elif staticAssertSizeMatchesVoidStar('','unsigned long'):
736      self.addDefine('UINTPTR_T', 'unsigned long')
737    elif staticAssertSizeMatchesVoidStar('','unsigned'):
738      self.addDefine('UINTPTR_T', 'unsigned')
739    else:
740      raise RuntimeError('Could not find any unsigned integer type matching void*')
741    self.popLanguage()
742
743  def configureRTLDDefault(self):
744    if self.checkCompile('#include <dlfcn.h>\n void *ptr =  RTLD_DEFAULT;'):
745      self.addDefine('RTLD_DEFAULT','1')
746    return
747
748  def configureSolaris(self):
749    '''Solaris specific stuff'''
750    if os.path.isdir(os.path.join('/usr','ucblib')):
751      try:
752        flag = getattr(self.setCompilers, self.language[-1]+'SharedLinkerFlag')
753      except AttributeError:
754        flag = None
755      if flag is None:
756        self.compilers.LIBS += ' -L/usr/ucblib'
757      else:
758        self.compilers.LIBS += ' '+flag+'/usr/ucblib'
759    return
760
761  def configureLinux(self):
762    '''Linux specific stuff'''
763    # TODO: Test for this by mallocing an odd number of floats and checking the address
764    self.addDefine('HAVE_DOUBLE_ALIGN_MALLOC', 1)
765    return
766
767  def configureWin32(self):
768    '''Win32 non-cygwin specific stuff'''
769    kernel32=0
770    if self.libraries.add('Kernel32.lib','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
771      self.addDefine('HAVE_WINDOWS_H',1)
772      self.addDefine('HAVE_GETCOMPUTERNAME',1)
773      kernel32=1
774    elif self.libraries.add('kernel32','GetComputerName',prototype='#include <Windows.h>', call='GetComputerName(NULL,NULL);'):
775      self.addDefine('HAVE_WINDOWS_H',1)
776      self.addDefine('HAVE_GETCOMPUTERNAME',1)
777      kernel32=1
778    if kernel32:
779      if self.framework.argDB['with-windows-graphics']:
780        self.addDefine('USE_WINDOWS_GRAPHICS',1)
781      if self.checkLink('#include <Windows.h>','LoadLibrary(0)'):
782        self.addDefine('HAVE_LOADLIBRARY',1)
783      if self.checkLink('#include <Windows.h>','GetProcAddress(0,0)'):
784        self.addDefine('HAVE_GETPROCADDRESS',1)
785      if self.checkLink('#include <Windows.h>','FreeLibrary(0)'):
786        self.addDefine('HAVE_FREELIBRARY',1)
787      if self.checkLink('#include <Windows.h>','GetLastError()'):
788        self.addDefine('HAVE_GETLASTERROR',1)
789      if self.checkLink('#include <Windows.h>','SetLastError(0)'):
790        self.addDefine('HAVE_SETLASTERROR',1)
791      if self.checkLink('#include <Windows.h>\n','QueryPerformanceCounter(0);\n'):
792        self.addDefine('USE_MICROSOFT_TIME',1)
793    if self.libraries.add('Advapi32.lib','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
794      self.addDefine('HAVE_GET_USER_NAME',1)
795    elif self.libraries.add('advapi32','GetUserName',prototype='#include <Windows.h>', call='GetUserName(NULL,NULL);'):
796      self.addDefine('HAVE_GET_USER_NAME',1)
797
798    if not self.libraries.add('User32.lib','GetDC',prototype='#include <Windows.h>',call='GetDC(0);'):
799      self.libraries.add('user32','GetDC',prototype='#include <Windows.h>',call='GetDC(0);')
800    if not self.libraries.add('Gdi32.lib','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);'):
801      self.libraries.add('gdi32','CreateCompatibleDC',prototype='#include <Windows.h>',call='CreateCompatibleDC(0);')
802
803    self.types.check('int32_t', 'int')
804    if not self.checkCompile('#include <sys/types.h>\n','uid_t u;\n'):
805      self.addTypedef('int', 'uid_t')
806      self.addTypedef('int', 'gid_t')
807    if not self.checkLink('#if defined(PETSC_HAVE_UNISTD_H)\n#include <unistd.h>\n#endif\n','int a=R_OK;\n'):
808      self.framework.addDefine('R_OK', '04')
809      self.framework.addDefine('W_OK', '02')
810      self.framework.addDefine('X_OK', '01')
811    if not self.checkLink('#include <sys/stat.h>\n','int a=0;\nif (S_ISDIR(a)){}\n'):
812      self.framework.addDefine('S_ISREG(a)', '(((a)&_S_IFMT) == _S_IFREG)')
813      self.framework.addDefine('S_ISDIR(a)', '(((a)&_S_IFMT) == _S_IFDIR)')
814    if self.checkCompile('#include <Windows.h>\n','LARGE_INTEGER a;\nDWORD b=a.u.HighPart;\n'):
815      self.addDefine('HAVE_LARGE_INTEGER_U',1)
816
817    # Windows requires a Binary file creation flag when creating/opening binary files.  Is a better test in order?
818    if self.checkCompile('#include <Windows.h>\n#include <fcntl.h>\n', 'int flags = O_BINARY;'):
819      self.addDefine('HAVE_O_BINARY',1)
820
821    if self.compilers.CC.find('win32fe') >= 0:
822      self.addDefine('PATH_SEPARATOR','\';\'')
823      self.addDefine('DIR_SEPARATOR','\'\\\\\'')
824      self.addDefine('REPLACE_DIR_SEPARATOR','\'/\'')
825      self.addDefine('CANNOT_START_DEBUGGER',1)
826      (petscdir,error,status) = self.executeShellCommand('cygpath -w '+self.petscdir.dir)
827      self.addDefine('DIR','"'+petscdir.replace('\\','\\\\')+'"')
828    else:
829      self.addDefine('PATH_SEPARATOR','\':\'')
830      self.addDefine('REPLACE_DIR_SEPARATOR','\'\\\\\'')
831      self.addDefine('DIR_SEPARATOR','\'/\'')
832      self.addDefine('DIR', '"'+self.petscdir.dir+'"')
833
834    return
835
836#-----------------------------------------------------------------------------------------------------
837  def configureCygwinBrokenPipe(self):
838    '''Cygwin version <= 1.7.18 had issues with pipes and long commands invoked from gnu-make
839    http://cygwin.com/ml/cygwin/2013-05/msg00340.html '''
840    if config.setCompilers.Configure.isCygwin():
841      import platform
842      import re
843      r=re.compile("([0-9]+).([0-9]+).([0-9]+)")
844      m=r.match(platform.release())
845      major=int(m.group(1))
846      minor=int(m.group(2))
847      subminor=int(m.group(3))
848      if ((major < 1) or (major == 1 and minor < 7) or (major == 1 and minor == 7 and subminor <= 18)):
849        self.addMakeMacro('PETSC_CYGWIN_BROKEN_PIPE','1')
850    return
851
852#-----------------------------------------------------------------------------------------------------
853  def configureDefaultArch(self):
854    conffile = os.path.join('conf', 'petscvariables')
855    if self.framework.argDB['with-default-arch']:
856      fd = file(conffile, 'w')
857      fd.write('PETSC_ARCH='+self.arch.arch+'\n')
858      fd.write('PETSC_DIR='+self.petscdir.dir+'\n')
859      fd.write('include '+os.path.join(self.petscdir.dir,self.arch.arch,'conf','petscvariables')+'\n')
860      fd.close()
861      self.framework.actions.addArgument('PETSc', 'Build', 'Set default architecture to '+self.arch.arch+' in '+conffile)
862    elif os.path.isfile(conffile):
863      try:
864        os.unlink(conffile)
865      except:
866        raise RuntimeError('Unable to remove file '+conffile+'. Did a different user create it?')
867    return
868
869#-----------------------------------------------------------------------------------------------------
870  def configureScript(self):
871    '''Output a script in the conf directory which will reproduce the configuration'''
872    import nargs
873    import sys
874    scriptName = os.path.join(self.arch.arch,'conf', 'reconfigure-'+self.arch.arch+'.py')
875    args = dict([(nargs.Arg.parseArgument(arg)[0], arg) for arg in self.framework.clArgs])
876    if 'with-clean' in args:
877      del args['with-clean']
878    if 'configModules' in args:
879      if nargs.Arg.parseArgument(args['configModules'])[1] == 'PETSc.Configure':
880        del args['configModules']
881    if 'optionsModule' in args:
882      if nargs.Arg.parseArgument(args['optionsModule'])[1] == 'PETSc.compilerOptions':
883        del args['optionsModule']
884    if not 'PETSC_ARCH' in args:
885      args['PETSC_ARCH'] = 'PETSC_ARCH='+str(self.arch.arch)
886    f = file(scriptName, 'w')
887    f.write('#!'+sys.executable+'\n')
888    f.write('if __name__ == \'__main__\':\n')
889    f.write('  import sys\n')
890    f.write('  import os\n')
891    f.write('  sys.path.insert(0, os.path.abspath(\'config\'))\n')
892    f.write('  import configure\n')
893    # pretty print repr(args.values())
894    f.write('  configure_options = [\n')
895    for itm in sorted(args.values()):
896      f.write('    \''+str(itm)+'\',\n')
897    f.write('  ]\n')
898    f.write('  configure.petsc_configure(configure_options)\n')
899    f.close()
900    try:
901      os.chmod(scriptName, 0775)
902    except OSError, e:
903      self.framework.logPrint('Unable to make reconfigure script executable:\n'+str(e))
904    self.framework.actions.addArgument('PETSc', 'File creation', 'Created '+scriptName+' for automatic reconfiguration')
905    return
906
907  def configureInstall(self):
908    '''Setup the directories for installation'''
909    if self.framework.argDB['prefix']:
910      self.installdir = self.framework.argDB['prefix']
911      self.addMakeRule('shared_install','',['-@echo "Now to install the libraries do:"',\
912                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} install"',\
913                                              '-@echo "========================================="'])
914    else:
915      self.installdir = os.path.join(self.petscdir.dir,self.arch.arch)
916      self.addMakeRule('shared_install','',['-@echo "Now to check if the libraries are working do:"',\
917                                              '-@echo "make PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} test"',\
918                                              '-@echo "========================================="'])
919      return
920
921  def configureGCOV(self):
922    if self.framework.argDB['with-gcov']:
923      self.addDefine('USE_GCOV','1')
924    return
925
926  def configureFortranFlush(self):
927    if hasattr(self.compilers, 'FC'):
928      for baseName in ['flush','flush_']:
929        if self.libraries.check('', baseName, otherLibs = self.compilers.flibs, fortranMangle = 1):
930          self.addDefine('HAVE_'+baseName.upper(), 1)
931          return
932
933  def postProcessPackages(self):
934    postPackages=[]
935    for i in self.framework.packages:
936      if hasattr(i,'postProcess'): postPackages.append(i)
937    if postPackages:
938      # ctetgen needs petsc conf files. so attempt to create them early
939      self.framework.dumpConfFiles()
940      for i in postPackages: i.postProcess()
941    return
942
943  def configure(self):
944    if not os.path.samefile(self.petscdir.dir, os.getcwd()):
945      raise RuntimeError('Wrong PETSC_DIR option specified: '+str(self.petscdir.dir) + '\n  Configure invoked in: '+os.path.realpath(os.getcwd()))
946    if self.framework.argDB['prefix'] and os.path.isdir(self.framework.argDB['prefix']) and os.path.samefile(self.framework.argDB['prefix'],self.petscdir.dir):
947      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR!')
948    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)):
949      raise RuntimeError('Incorrect option --prefix='+self.framework.argDB['prefix']+' specified. It cannot be same as PETSC_DIR/PETSC_ARCH!')
950    self.framework.header          = os.path.join(self.arch.arch,'include','petscconf.h')
951    self.framework.cHeader         = os.path.join(self.arch.arch,'include','petscfix.h')
952    self.framework.makeMacroHeader = os.path.join(self.arch.arch,'conf','petscvariables')
953    self.framework.makeRuleHeader  = os.path.join(self.arch.arch,'conf','petscrules')
954    if self.libraries.math is None:
955      raise RuntimeError('PETSc requires a functional math library. Please send configure.log to petsc-maint@mcs.anl.gov.')
956    if self.languages.clanguage == 'Cxx' and not hasattr(self.compilers, 'CXX'):
957      raise RuntimeError('Cannot set C language to C++ without a functional C++ compiler.')
958    self.executeTest(self.configureRTLDDefault)
959    self.executeTest(self.configurePrefetch)
960    self.executeTest(self.configureUnused)
961    self.executeTest(self.configureDeprecated)
962    self.executeTest(self.configureExpect);
963    self.executeTest(self.configureFunctionName);
964    self.executeTest(self.configureIntptrt);
965    self.executeTest(self.configureSolaris)
966    self.executeTest(self.configureLinux)
967    self.executeTest(self.configureWin32)
968    self.executeTest(self.configureCygwinBrokenPipe)
969    self.executeTest(self.configureDefaultArch)
970    self.executeTest(self.configureScript)
971    self.executeTest(self.configureInstall)
972    self.executeTest(self.configureGCOV)
973    self.executeTest(self.configureFortranFlush)
974    self.executeTest(self.configureAtoll)
975    # dummy rules, always needed except for remote builds
976    self.addMakeRule('remote','')
977    self.addMakeRule('remoteclean','')
978
979    self.Dump()
980    self.dumpConfigInfo()
981    self.dumpMachineInfo()
982    self.postProcessPackages()
983    self.dumpCMakeConfig()
984    self.dumpCMakeLists()
985    self.cmakeBoot()
986    self.DumpPkgconfig()
987    self.DumpModule()
988    self.framework.log.write('================================================================================\n')
989    self.logClear()
990    return
991