mirror of https://github.com/python/cpython.git
rewrote the bsddb module BerkeleyDB library and include file locating
code. This version is much cleaner and makes a proper attempt at pairing up the correct header file and library.
This commit is contained in:
Gregory P. Smith
parent
57ee770df1
commit
e76c8c0383
149
setup.py
149
setup.py
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@ -497,92 +497,113 @@ def detect_modules(self):
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#
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# http://www.sleepycat.com/update/index.html
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# when sorted in reverse order, keys for this dict must appear in the
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# order you wish to search - e.g., search for db4 before db3
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db_try_this = {
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'db4': {'libs': ('db-4.3', 'db43', 'db-4.2', 'db42', 'db-4.1', 'db41', 'db-4.0', 'db4',),
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'libdirs': ('/usr/local/BerkeleyDB.4.3/lib',
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'/usr/local/BerkeleyDB.4.2/lib',
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'/usr/local/BerkeleyDB.4.1/lib',
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'/usr/local/BerkeleyDB.4.0/lib',
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'/usr/local/lib',
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'/opt/sfw',
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'/sw/lib',
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),
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'incdirs': ('/usr/local/BerkeleyDB.4.3/include',
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'/usr/local/include/db43',
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'/usr/local/BerkeleyDB.4.2/include',
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'/usr/local/include/db42',
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'/usr/local/BerkeleyDB.4.1/include',
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'/usr/local/include/db41',
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'/usr/local/BerkeleyDB.4.0/include',
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max_db_ver = (4, 3)
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min_db_ver = (3, 2)
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db_setup_debug = False # verbose debug prints from this script?
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# construct a list of paths to look for the header file in on
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# top of the normal inc_dirs.
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db_inc_paths = [
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'/usr/include/db4',
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'/usr/local/include/db4',
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'/opt/sfw/include/db4',
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'/sw/include/db4',
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'/usr/include/db4',
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)},
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'db3': {'libs': ('db-3.3', 'db-3.2', 'db3',),
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'libdirs': ('/usr/local/BerkeleyDB.3.3/lib',
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'/usr/local/BerkeleyDB.3.2/lib',
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'/usr/local/lib',
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'/opt/sfw/lib',
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'/sw/lib',
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),
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'incdirs': ('/usr/local/BerkeleyDB.3.3/include',
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'/usr/local/BerkeleyDB.3.2/include',
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'/usr/include/db3',
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'/usr/local/include/db3',
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'/opt/sfw/include/db3',
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'/sw/include/db3',
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'/usr/include/db3',
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)},
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}
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]
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# 4.x minor number specific paths
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for x in (0,1,2,3):
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db_inc_paths.append('/usr/include/db4%d' % x)
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db_inc_paths.append('/usr/local/BerkeleyDB.4.%d/include' % x)
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db_inc_paths.append('/usr/local/include/db4%d' % x)
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db_inc_paths.append('/pkg/db-4.%d/include' % x)
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# 3.x minor number specific paths
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for x in (2,3):
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db_inc_paths.append('/usr/include/db3%d' % x)
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db_inc_paths.append('/usr/local/BerkeleyDB.3.%d/include' % x)
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db_inc_paths.append('/usr/local/include/db3%d' % x)
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db_inc_paths.append('/pkg/db-3.%d/include' % x)
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db_search_order = db_try_this.keys()
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db_search_order.sort()
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db_search_order.reverse()
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db_ver_inc_map = {}
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class found(Exception): pass
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class db_found(Exception): pass
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try:
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# See whether there is a Sleepycat header in the standard
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# search path.
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std_dbinc = None
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for d in inc_dirs:
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for d in inc_dirs + db_inc_paths:
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f = os.path.join(d, "db.h")
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if db_setup_debug: print "db: looking for db.h in", f
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if os.path.exists(f):
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f = open(f).read()
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m = re.search(r"#define\WDB_VERSION_MAJOR\W([1-9]+)", f)
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m = re.search(r"#define\WDB_VERSION_MAJOR\W(\d+)", f)
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if m:
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std_dbinc = 'db' + m.group(1)
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for dbkey in db_search_order:
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dbd = db_try_this[dbkey]
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for dblib in dbd['libs']:
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# Prefer version-specific includes over standard
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# include locations.
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db_incs = find_file('db.h', [], dbd['incdirs'])
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dblib_dir = find_library_file(self.compiler,
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dblib,
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lib_dirs,
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list(dbd['libdirs']))
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if (db_incs or dbkey == std_dbinc) and \
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dblib_dir is not None:
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db_major = int(m.group(1))
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m = re.search(r"#define\WDB_VERSION_MINOR\W(\d+)", f)
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db_minor = int(m.group(1))
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db_ver = (db_major, db_minor)
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if ( (not db_ver_inc_map.has_key(db_ver)) and
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(db_ver <= max_db_ver and db_ver >= min_db_ver) ):
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# save the include directory with the db.h version
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# (first occurrance only)
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db_ver_inc_map[db_ver] = d
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print "db.h: found", db_ver, "in", d
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else:
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# we already found a header for this library version
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if db_setup_debug: print "db.h: ignoring", d
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else:
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# ignore this header, it didn't contain a version number
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if db_setup_debug: print "db.h: unsupported version", db_ver, "in", d
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db_found_vers = db_ver_inc_map.keys()
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db_found_vers.sort()
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while db_found_vers:
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db_ver = db_found_vers.pop()
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db_incdir = db_ver_inc_map[db_ver]
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# check lib directories parallel to the location of the header
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db_dirs_to_check = [
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os.path.join(db_incdir, '..', 'lib64'),
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os.path.join(db_incdir, '..', 'lib'),
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os.path.join(db_incdir, '..', '..', 'lib64'),
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os.path.join(db_incdir, '..', '..', 'lib'),
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]
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db_dirs_to_check = filter(os.path.isdir, db_dirs_to_check)
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# Look for a version specific db-X.Y before an ambiguoius dbX
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# XXX should we -ever- look for a dbX name? Do any
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# systems really not name their library by version and
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# symlink to more general names?
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for dblib in (('db-%d.%d' % db_ver), ('db%d' % db_ver[0])):
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dblib_file = self.compiler.find_library_file(
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db_dirs_to_check + lib_dirs, dblib )
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if dblib_file:
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dblib_dir = [ os.path.abspath(os.path.dirname(dblib_file)) ]
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raise db_found
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else:
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if db_setup_debug: print "db lib: ", dblib, "not found"
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except db_found:
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print "db lib: using", db_ver, dblib
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if db_setup_debug: print "db: lib dir", dblib_dir, "inc dir", db_incdir
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db_incs = [db_incdir]
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dblibs = [dblib]
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raise found
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except found:
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dblibs = [dblib]
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# A default source build puts Berkeley DB in something like
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# /usr/local/Berkeley.3.3 and the lib dir under that isn't
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# normally on ld.so's search path, unless the sysadmin has hacked
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# /etc/ld.so.conf. We add the directory to runtime_library_dirs
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# so the proper -R/--rpath flags get passed to the linker. This
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# is usually correct and most trouble free, but may cause problems
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# in some unusual system configurations (e.g. the directory is on
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# an NFS server that goes away).
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# We add the runtime_library_dirs argument because the
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# BerkeleyDB lib we're linking against often isn't in the
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# system dynamic library search path. This is usually
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# correct and most trouble free, but may cause problems in
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# some unusual system configurations (e.g. the directory
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# is on an NFS server that goes away).
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exts.append(Extension('_bsddb', ['_bsddb.c'],
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library_dirs=dblib_dir,
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runtime_library_dirs=dblib_dir,
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include_dirs=db_incs,
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libraries=dblibs))
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else:
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if db_setup_debug: print "db: no appropriate library found"
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db_incs = None
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dblibs = []
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dblib_dir = None
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