# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at
http://mozilla.org/MPL/2.0/.
@depends(
"LDFLAGS",
linker_flags,
linker_ldflags,
pack_relative_relocs_flags,
android_flags,
thumb_option,
)
@imports(_from="mozbuild.shellutil", _import="split")
def os_ldflags(
env_ldflags,
linker_flags,
linker_ldflags,
pack_relative_relocs_flags,
android_flags,
thumb_option,
):
flags = []
if android_flags:
flags.extend(android_flags.ldflags)
if thumb_option:
flags.extend(thumb_option)
if env_ldflags:
flags.extend(split(env_ldflags[0]))
flags.extend(linker_flags.ldflags)
if linker_ldflags:
flags.extend(linker_ldflags)
if pack_relative_relocs_flags:
flags.extend(pack_relative_relocs_flags)
return flags
set_config("OS_LDFLAGS", os_ldflags)
set_config("MOZ_OPTIMIZE_FLAGS", moz_optimize_flags, when=~js_build)
@depends(
linker_optimize_flags,
"MOZ_OPTIMIZE_FLAGS",
lto,
c_compiler,
)
@imports(_from="mozbuild.shellutil", _import="split")
def moz_optimize_ldflags(linker_optimize_flags, env_optimize_flags, lto, c_compiler)
:
flags = []
if linker_optimize_flags:
flags += linker_optimize_flags.ldflags
if env_optimize_flags:
flags += split(env_optimize_flags[0])
# When using llvm-based LTO, non numeric optimization levels are
# not supported by the linker, so force the linker to use -O2 (
# which doesn't influence the level compilation units are actually
# compiled at).
if lto and lto.enabled and c_compiler.type == "clang":
flags = ["-O2" if flag in ("-Oz", "-Os") else flag for flag in flags]
return flags
set_config("MOZ_OPTIMIZE_LDFLAGS", moz_optimize_ldflags)
@depends(
try_compile(
includes=["stdio.h"],
body='puts("demat");',
flags=moz_optimize_flags,
language="C",
check_msg="for valid C compiler optimization flags",
),
moz_optimize_flags,
when=moz_optimize,
)
@imports(_from="mozbuild.shellutil", _import="quote")
def check_optimization_flags(check_result, moz_optimize_flags):
if not check_result:
die(f"Invalid C compiler optimization flags: {quote(*moz_optimize_flags)}")
