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mirror of https://github.com/samba-team/samba.git synced 2025-08-26 01:49:31 +03:00

build: a better way of calculating syslib dependencies

This commit is contained in:
Andrew Tridgell
2010-03-26 13:02:39 +11:00
parent ecafbd3ec8
commit 5e94bca62e

View File

@ -82,7 +82,6 @@ def build_dependencies(self):
# extra link flags from pkg_config
libs = self.final_syslibs.copy()
libs = libs.union(self.indirect_libs)
(ccflags, ldflags) = library_flags(self, list(libs))
new_ldflags = getattr(self, 'ldflags', [])
@ -410,32 +409,6 @@ def indirect_libs(bld, t, chain, loops):
return ret
def indirect_syslibs(bld, t, chain, loops):
'''recursively calculate the indirect system library dependencies for a target
An indirect syslib results from a subsystem dependency
'''
ret = getattr(t, 'indirect_syslibs', None)
if ret is not None:
return ret
ret = set()
for obj in t.direct_objects:
if obj in chain:
dependency_loop(loops, t, obj)
continue
chain.add(obj)
t2 = bld.name_to_obj(obj, bld.env)
r2 = indirect_syslibs(bld, t2, chain, loops)
chain.remove(obj)
ret = ret.union(t2.direct_syslibs)
ret = ret.union(r2)
t.indirect_syslibs = ret
return ret
def indirect_objects(bld, t, chain, loops):
'''recursively calculate the indirect object dependencies for a target
@ -586,16 +559,10 @@ def break_dependency_loops(bld, tgt_list):
debug('deps: setting %s %s to %s', t.sname, attr, objs)
setattr(t, attr, objs)
# now calculate the indirect syslibs, which can change from the loop expansion
for t in tgt_list:
indirect_syslibs(bld, t, set(), loops)
def calculate_final_deps(bld, tgt_list, loops):
'''calculate the final library and object dependencies'''
for t in tgt_list:
# start with the maximum possible list
t.final_syslibs = t.direct_syslibs.union(indirect_syslibs(bld, t, set(), loops))
t.final_libs = t.direct_libs.union(indirect_libs(bld, t, set(), loops))
t.final_objects = t.direct_objects.union(indirect_objects(bld, t, set(), loops))
@ -653,6 +620,21 @@ def calculate_final_deps(bld, tgt_list, loops):
debug('deps: Expanded target %s by loop %s libraries %s', t.sname, loop, diff)
t.final_libs = t.final_libs.union(diff)
# add in any syslib dependencies
for t in tgt_list:
if not t.samba_type in ['BINARY','PYTHON','LIBRARY']:
continue
syslibs = set()
for d in t.final_objects:
t2 = bld.name_to_obj(d, bld.env)
syslibs = syslibs.union(t2.direct_syslibs)
# this adds the indirect syslibs as well, which may not be needed
# depending on the linker flags
for d in t.final_libs:
t2 = bld.name_to_obj(d, bld.env)
syslibs = syslibs.union(t2.direct_syslibs)
t.final_syslibs = syslibs
debug('deps: removed duplicate dependencies')