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# Copyright 2015 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import SCons
import subprocess
# TODO: Make a SUFF variable for the suffix to write to
# TODO: Prevent using abilink when -gsplit-dwarf is in play, since it doesn't work
# TODO: Make a variable for the md5sum utility (allow any hasher)
# TODO: Add an ABILINKCOM variable to the Action, so it can be silenced.
def _detect(env):
try:
abidw = env['ABIDW']
if not abidw:
return None
return abidw
except KeyError:
pass
return env.WhereIs('abidw')
def _add_emitter(builder):
base_emitter = builder.emitter
def new_emitter(target, source, env):
new_targets = []
for t in target:
abidw = str(t) + ".abidw"
abidw = (t.builder.target_factory or env.File)(abidw)
new_targets.append(abidw)
setattr(t.attributes, "abidw", abidw)
targets = target + new_targets
return (targets, source)
new_emitter = SCons.Builder.ListEmitter([base_emitter, new_emitter])
builder.emitter = new_emitter
def _add_scanner(builder):
old_scanner = builder.target_scanner
path_function = old_scanner.path_function
def new_scanner(node, env, path):
old_results = old_scanner(node, env, path)
new_results = []
for base in old_results:
abidw = getattr(env.Entry(base).attributes, "abidw", None)
new_results.append(abidw if abidw else base)
return new_results
builder.target_scanner = SCons.Scanner.Scanner(function=new_scanner, path_function=path_function)
def _add_action(builder):
actions = builder.action
builder.action = actions + SCons.Action.Action("$ABIDW --no-show-locs $TARGET | md5sum > ${TARGET}.abidw")
def exists(env):
result = _detect(env) != None
return result
def generate(env):
if not exists(env):
return
builder = env['BUILDERS']['SharedLibrary']
_add_emitter(builder)
_add_action(builder)
_add_scanner(builder)
_add_scanner(env['BUILDERS']['Program'])
_add_scanner(env['BUILDERS']['LoadableModule'])
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