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#!/usr/bin/env python
import os
from distutils.sysconfig import parse_makefile
import sys
import logging
sys.path.insert(0, os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), 'config'))
from cmakegen import Mistakes, stripsplit, AUTODIRS, SKIPDIRS
from cmakegen import defaultdict # collections.defaultdict, with fallback for python-2.4
PKGS = 'sys eps svd pep nep mfn lme'.split()
LANGS = dict(c='C', cxx='CXX', cu='CU', F='F', F90='F90')
try:
all([True, True])
except NameError: # needs python-2.5
def all(iterable):
for i in iterable:
if not i:
return False
return True
try:
os.path.relpath # needs python-2.6
except AttributeError:
def _relpath(path, start=os.path.curdir):
"""Return a relative version of a path"""
from os.path import curdir, abspath, commonprefix, sep, pardir, join
if not path:
raise ValueError("no path specified")
start_list = [x for x in abspath(start).split(sep) if x]
path_list = [x for x in abspath(path).split(sep) if x]
# Work out how much of the filepath is shared by start and path.
i = len(commonprefix([start_list, path_list]))
rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
if not rel_list:
return curdir
return join(*rel_list)
os.path.relpath = _relpath
class debuglogger(object):
def __init__(self, log):
self._log = log
def write(self, string):
self._log.debug(string)
class Slepc(object):
def __init__(self, slepc_dir=None, petsc_dir=None, petsc_arch=None, installed_petsc=False, verbose=False):
if slepc_dir is None:
slepc_dir = os.environ.get('SLEPC_DIR')
if slepc_dir is None:
raise RuntimeError('Could not determine SLEPC_DIR, please set in environment')
if petsc_dir is None:
petsc_dir = os.environ.get('PETSC_DIR')
if petsc_dir is None:
raise RuntimeError('Could not determine PETSC_DIR, please set in environment')
if petsc_arch is None:
petsc_arch = os.environ.get('PETSC_ARCH')
if petsc_arch is None:
raise RuntimeError('Could not determine PETSC_ARCH, please set in environment')
self.slepc_dir = slepc_dir
self.petsc_dir = petsc_dir
self.petsc_arch = petsc_arch
self.installed_petsc = installed_petsc
self.read_conf()
logging.basicConfig(filename=self.arch_path('lib','slepc','conf', 'gmake.log'), level=logging.DEBUG)
self.log = logging.getLogger('gmakegen')
self.mistakes = Mistakes(debuglogger(self.log), verbose=verbose)
self.gendeps = []
def petsc_path(self, *args):
if self.installed_petsc:
return os.path.join(self.petsc_dir, *args)
else:
return os.path.join(self.petsc_dir, self.petsc_arch, *args)
def arch_path(self, *args):
return os.path.join(self.slepc_dir, self.petsc_arch, *args)
def read_conf(self):
self.conf = dict()
for line in open(self.petsc_path('include', 'petscconf.h')):
if line.startswith('#define '):
define = line[len('#define '):]
space = define.find(' ')
key = define[:space]
val = define[space+1:]
self.conf[key] = val
self.conf.update(parse_makefile(self.petsc_path('lib','petsc','conf', 'petscvariables')))
for line in open(self.arch_path('include', 'slepcconf.h')):
if line.startswith('#define '):
define = line[len('#define '):]
space = define.find(' ')
key = define[:space]
val = define[space+1:]
self.conf[key] = val
self.conf.update(parse_makefile(self.arch_path('lib','slepc','conf', 'slepcvariables')))
self.have_fortran = int(self.conf.get('PETSC_HAVE_FORTRAN', '0'))
def inconf(self, key, val):
if key in ['package', 'function', 'define']:
return self.conf.get(val)
elif key == 'precision':
return val == self.conf['PETSC_PRECISION']
elif key == 'scalar':
return val == self.conf['PETSC_SCALAR']
elif key == 'language':
return val == self.conf['PETSC_LANGUAGE']
raise RuntimeError('Unknown conf check: %s %s' % (key, val))
def relpath(self, root, src):
return os.path.relpath(os.path.join(root, src), self.slepc_dir)
def get_sources(self, makevars):
"""Return dict {lang: list_of_source_files}"""
source = dict()
for lang, sourcelang in LANGS.items():
source[lang] = [f for f in makevars.get('SOURCE'+sourcelang,'').split() if f.endswith(lang)]
return source
def gen_pkg(self, pkg):
pkgsrcs = dict()
for lang in LANGS:
pkgsrcs[lang] = []
for root, dirs, files in os.walk(os.path.join(self.slepc_dir, 'src', pkg)):
makefile = os.path.join(root,'makefile')
if not os.path.exists(makefile):
dirs[:] = []
continue
mklines = open(makefile)
conditions = set(tuple(stripsplit(line)) for line in mklines if line.startswith('#requires'))
mklines.close()
if not all(self.inconf(key, val) for key, val in conditions):
dirs[:] = []
continue
makevars = parse_makefile(makefile)
mdirs = makevars.get('DIRS','').split() # Directories specified in the makefile
self.mistakes.compareDirLists(root, mdirs, dirs) # diagnostic output to find unused directories
candidates = set(mdirs).union(AUTODIRS).difference(SKIPDIRS)
dirs[:] = list(candidates.intersection(dirs))
allsource = []
def mkrel(src):
return self.relpath(root, src)
source = self.get_sources(makevars)
for lang, s in source.items():
pkgsrcs[lang] += map(mkrel, s)
allsource += s
self.mistakes.compareSourceLists(root, allsource, files) # Diagnostic output about unused source files
self.gendeps.append(self.relpath(root, 'makefile'))
return pkgsrcs
def gen_gnumake(self, fd):
def write(stem, srcs):
fd.write('%s :=\n' % stem)
for lang in LANGS:
fd.write('%(stem)s.%(lang)s := %(srcs)s\n' % dict(stem=stem, lang=lang, srcs=' '.join(srcs[lang])))
fd.write('%(stem)s += $(%(stem)s.%(lang)s)\n' % dict(stem=stem, lang=lang))
for pkg in PKGS:
srcs = self.gen_pkg(pkg)
write('srcs-' + pkg, srcs)
return self.gendeps
def summary(self):
self.mistakes.summary()
def WriteGnuMake(slepc):
arch_files = slepc.arch_path('lib','slepc','conf', 'files')
fd = open(arch_files, 'w')
gendeps = slepc.gen_gnumake(fd)
fd.write('\n')
fd.write('# Dependency to regenerate this file\n')
fd.write('%s : %s %s\n' % (os.path.relpath(arch_files, slepc.slepc_dir),
os.path.relpath(__file__, os.path.realpath(slepc.slepc_dir)),
' '.join(gendeps)))
fd.write('\n')
fd.write('# Dummy dependencies in case makefiles are removed\n')
fd.write(''.join([dep + ':\n' for dep in gendeps]))
fd.close()
def main(slepc_dir=None, petsc_dir=None, petsc_arch=None, installed_petsc=False, output=None, verbose=False):
if output is None:
output = 'gnumake'
writer = dict(gnumake=WriteGnuMake)
slepc = Slepc(slepc_dir=slepc_dir, petsc_dir=petsc_dir, petsc_arch=petsc_arch, installed_petsc=installed_petsc, verbose=verbose)
writer[output](slepc)
slepc.summary()
if __name__ == '__main__':
import optparse
parser = optparse.OptionParser()
parser.add_option('--verbose', help='Show mismatches between makefiles and the filesystem', action='store_true', default=False)
parser.add_option('--petsc-arch', help='Set PETSC_ARCH different from environment', default=os.environ.get('PETSC_ARCH'))
parser.add_option('--installed-petsc', help='Using a prefix PETSc installation', default=False)
parser.add_option('--output', help='Location to write output file', default=None)
opts, extra_args = parser.parse_args()
if extra_args:
import sys
sys.stderr.write('Unknown arguments: %s\n' % ' '.join(extra_args))
exit(1)
main(petsc_arch=opts.petsc_arch, installed_petsc=opts.installed_petsc, output=opts.output, verbose=opts.verbose)
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