diff options
Diffstat (limited to 'buildtools/wafsamba/samba_deps.py')
| -rw-r--r-- | buildtools/wafsamba/samba_deps.py | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/buildtools/wafsamba/samba_deps.py b/buildtools/wafsamba/samba_deps.py index 933a18b369..2492a4c233 100644 --- a/buildtools/wafsamba/samba_deps.py +++ b/buildtools/wafsamba/samba_deps.py @@ -792,6 +792,61 @@ def calculate_final_deps(bld, tgt_list, loops): debug('deps: removed duplicate dependencies') +def show_dependencies(bld, target, seen): + '''recursively show the dependencies of target''' + + if target in seen: + return + + t = bld.name_to_obj(target, bld.env) + if t is None: + Logs.error("ERROR: Unable to find target '%s'" % target) + sys.exit(1) + + Logs.info('%s(OBJECTS): %s' % (target, t.direct_objects)) + Logs.info('%s(LIBS): %s' % (target, t.direct_libs)) + Logs.info('%s(SYSLIBS): %s' % (target, t.direct_syslibs)) + + seen.add(target) + + for t2 in t.direct_objects: + show_dependencies(bld, t2, seen) + + +def show_object_duplicates(bld, tgt_list): + '''show a list of object files that are included in more than + one library or binary''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + used_by = {} + + Logs.info("showing duplicate objects") + + for t in tgt_list: + if not targets[t.sname] in [ 'LIBRARY' ]: + continue + for n in getattr(t, 'final_objects', set()): + t2 = bld.name_to_obj(n, bld.env) + if not n in used_by: + used_by[n] = set() + used_by[n].add(t.sname) + + for n in used_by: + if len(used_by[n]) > 1: + Logs.info("target '%s' is used by %s" % (n, used_by[n])) + + Logs.info("showing indirect dependency counts (sorted by count)") + + def indirect_count(t1, t2): + return len(t2.indirect_objects) - len(t1.indirect_objects) + + sorted_list = sorted(tgt_list, cmp=indirect_count) + for t in sorted_list: + if len(t.indirect_objects) > 1: + Logs.info("%s depends on %u indirect objects" % (t.sname, len(t.indirect_objects))) + + ###################################################################### # this provides a way to save our dependency calculations between runs savedeps_version = 3 @@ -943,7 +998,10 @@ def check_project_rules(bld): add_samba_attributes(bld, tgt_list) - if load_samba_deps(bld, tgt_list): + force_project_rules = (Options.options.SHOWDEPS or + Options.options.SHOW_DUPLICATES) + + if not force_project_rules and load_samba_deps(bld, tgt_list): return bld.new_rules = True @@ -953,9 +1011,16 @@ def check_project_rules(bld): expand_subsystem_deps(bld) build_direct_deps(bld, tgt_list) + break_dependency_loops(bld, tgt_list) calculate_final_deps(bld, tgt_list, loops) + if Options.options.SHOWDEPS: + show_dependencies(bld, Options.options.SHOWDEPS, set()) + + if Options.options.SHOW_DUPLICATES: + show_object_duplicates(bld, tgt_list) + # run the various attribute generators for f in [ build_dependencies, build_includes, add_init_functions ]: debug('deps: project rules checking %s', f) |