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build: recursive dependency calculation

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This commit is contained in:
Andrew Tridgell 2010-02-24 17:38:54 +11:00
parent 24511472a3
commit f74584a96c
1 changed files with 22 additions and 7 deletions
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29
lib/replace/wafsamba.py
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@ -1,9 +1,10 @@
# a waf tool to add autoconf-like macros to the configure section
# and for SAMBA_ macros for building libraries, binaries etc
import Build, os, Logs, sys, Configure, Options, string
import Build, os, Logs, sys, Configure, Options, string, Task
from Configure import conf
from Logs import debug
from TaskGen import extension
LIB_PATH="shared"
@ -317,22 +318,22 @@ Build.BuildContext.PREDECLARE = PREDECLARE
################################################################
# add to the dependency list. Return a new dependency list with
# any circular dependencies removed
# returns a tuple containing (systemdeps, localdeps)
# returns a tuple containing (systemdeps, localdeps, add_objects)
def ADD_DEPENDENCIES(bld, name, deps):
debug('deps: Calculating dependencies for %s' % name)
cache = LOCAL_CACHE(bld, 'LIB_DEPS')
if not name in cache:
cache[name] = {}
lib_deps = LOCAL_CACHE(bld, 'LIB_DEPS')
if not name in lib_deps:
lib_deps[name] = {}
list = deps.split()
list2 = []
for d in list:
cache[name][d] = True;
lib_deps[name][d] = True;
try:
CHECK_TARGET_DEPENDENCY(bld, name)
list2.append(d)
except AssertionError:
debug("deps: Removing dependency %s from target %s" % (d, name))
del(cache[name][d])
del(lib_deps[name][d])
# extract out the system dependencies
sysdeps = []
@ -342,6 +343,7 @@ def ADD_DEPENDENCIES(bld, name, deps):
target_cache = LOCAL_CACHE(bld, 'TARGET_TYPE')
predeclare = LOCAL_CACHE(bld, 'PREDECLARED_TARGET')
for d in list2:
recurse = False
# strip out any dependencies on empty libraries
if d in cache:
debug("deps: Removing empty dependency '%s' from '%s'" % (d, name))
@ -362,15 +364,28 @@ def ADD_DEPENDENCIES(bld, name, deps):
localdeps.append(d)
elif type == 'SUBSYSTEM':
add_objects.append(d)
recurse = True
elif type == 'MODULE':
add_objects.append(d)
recurse = True
elif type == 'PYTHON':
pass
elif type == 'ASN1':
pass
elif type == 'BINARY':
pass
else:
ASSERT(bld, False, "Unknown target type '%s' for dependency %s" % (
type, d))
# for some types we have to build the list recursively
if recurse and (d in lib_deps):
rec_deps = ' '.join(lib_deps[d].keys())
(rec_sysdeps, rec_localdeps, rec_add_objects) = ADD_DEPENDENCIES(bld, d, rec_deps)
sysdeps.extend(rec_sysdeps.split())
localdeps.extend(rec_localdeps.split())
add_objects.extend(rec_add_objects.split())
debug('deps: Dependencies for %s: sysdeps: %u localdeps: %u add_objects=%u' % (
name, len(sysdeps), len(localdeps), len(add_objects)))
return (' '.join(sysdeps), ' '.join(localdeps), ' '.join(add_objects))