mirror of
https://github.com/mongodb/mongo.git
synced 2024-12-01 09:32:32 +01:00
123 lines
4.3 KiB
Python
123 lines
4.3 KiB
Python
# Copyright 2020 MongoDB Inc.
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining
|
|
# a copy of this software and associated documentation files (the
|
|
# "Software"), to deal in the Software without restriction, including
|
|
# without limitation the rights to use, copy, modify, merge, publish,
|
|
# distribute, sublicense, and/or sell copies of the Software, and to
|
|
# permit persons to whom the Software is furnished to do so, subject to
|
|
# the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included
|
|
# in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
|
|
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
|
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
#
|
|
|
|
import os
|
|
|
|
import SCons
|
|
|
|
_splitDwarfFlag = "-gsplit-dwarf"
|
|
|
|
# Cribbed from Tool/cc.py and Tool/c++.py. It would be better if
|
|
# we could obtain this from SCons.
|
|
_CSuffixes = [".c"]
|
|
if not SCons.Util.case_sensitive_suffixes(".c", ".C"):
|
|
_CSuffixes.append(".C")
|
|
|
|
_CXXSuffixes = [".cpp", ".cc", ".cxx", ".c++", ".C++"]
|
|
if SCons.Util.case_sensitive_suffixes(".c", ".C"):
|
|
_CXXSuffixes.append(".C")
|
|
|
|
|
|
def _dwo_emitter(target, source, env):
|
|
new_targets = []
|
|
for t in target:
|
|
base, ext = SCons.Util.splitext(str(t))
|
|
if not any(ext == env[osuffix] for osuffix in ["OBJSUFFIX", "SHOBJSUFFIX"]):
|
|
continue
|
|
dwotarget = (t.builder.target_factory or env.File)(base + env['DWOSUFFIX'])
|
|
new_targets.append(dwotarget)
|
|
targets = target + new_targets
|
|
return (targets, source)
|
|
|
|
|
|
def _dwp_emitter(target, source, env):
|
|
if "conftest" not in str(target[0]) and env.get('SPLIT_DWARF_DWP_FILES'):
|
|
|
|
# Check if the information regarding where the dwo files is located are stored in
|
|
# the binary or a separate debug file.
|
|
if len(target) > 1 and os.path.splitext(str(target[1]))[1] == env.get('SEPDBG_SUFFIX'):
|
|
target_file = target[1]
|
|
else:
|
|
target_file = target[0]
|
|
|
|
dwp_file = env.DWP(
|
|
target=env.File(os.path.splitext(target_file.name)[0] + env['DWPSUFFIX']),
|
|
source=target_file,
|
|
)
|
|
env.NoCache(dwp_file)
|
|
|
|
if hasattr(env, "AutoInstall") and env.get("AIB_COMPONENT"):
|
|
env.AutoInstall(
|
|
"$PREFIX_BINDIR",
|
|
dwp_file,
|
|
AIB_COMPONENT=env.get("AIB_COMPONENT"),
|
|
AIB_ROLE="debug",
|
|
AIB_EXTRA_COMPONENTS=env.get("AIB_EXTRA_COMPONENTS", []),
|
|
)
|
|
|
|
return target, source
|
|
|
|
|
|
def options(opts):
|
|
opts.AddVariables(
|
|
('DWP', "Path to dwp binary."),
|
|
("SPLIT_DWARF_DWP_FILES", "Set to enable DWP file creation from split dwarf."),
|
|
)
|
|
|
|
|
|
def generate(env):
|
|
|
|
# these suffixes are not adjustable to the underlying tools (gcc)
|
|
# but we leave them adjustable in scons in case this changes in certain circumstances
|
|
env['DWOSUFFIX'] = env.get('DWOSUFFIX', '.dwo')
|
|
env['DWPSUFFIX'] = env.get('DWPSUFFIX', '.dwp')
|
|
|
|
env.Append(CCFLAGS=[_splitDwarfFlag])
|
|
|
|
for object_builder in SCons.Tool.createObjBuilders(env):
|
|
emitterdict = object_builder.builder.emitter
|
|
for suffix in emitterdict.keys():
|
|
if not suffix in _CSuffixes + _CXXSuffixes:
|
|
continue
|
|
base = emitterdict[suffix]
|
|
emitterdict[suffix] = SCons.Builder.ListEmitter([
|
|
base,
|
|
_dwo_emitter,
|
|
])
|
|
|
|
for builder in ["Program"]:
|
|
builder = env["BUILDERS"][builder]
|
|
base_emitter = builder.emitter
|
|
new_emitter = SCons.Builder.ListEmitter([base_emitter, _dwp_emitter])
|
|
builder.emitter = new_emitter
|
|
|
|
env['DWP'] = env.get('DWP', 'dwp')
|
|
env['BUILDERS']['DWP'] = SCons.Builder.Builder(
|
|
action=SCons.Action.Action(
|
|
"$DWP -e $SOURCE -o $TARGET",
|
|
"Building dwp file from $SOURCE" if not env.Verbose() else "",
|
|
))
|
|
|
|
|
|
def exists(env):
|
|
return any(_splitDwarfFlag in env[f] for f in ["CCFLAGS", "CFLAGS", "CXXFLAGS"])
|