forked from mirrors/gecko-dev
a1106cbc85
Actually remove the check for demangle, no supported target need that check. Also make library dependencies explicit instead of relying on "$LIBS". Differential Revision: https://phabricator.services.mozilla.com/D203637
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
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# vim: set filetype=python:
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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@template
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def check_clock_monotonic_support(lib=None, when=None):
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check_msg = "for clock_gettime(CLOCK_MONOTONIC)"
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flags = []
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if lib is not None:
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check_msg += f" in {lib}"
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flags.append(f"-l{lib}")
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check_when = building_with_gnu_cc
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if when is not None:
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check_when &= when
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return try_link(
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includes=["time.h"],
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body="struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts);",
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check_msg=check_msg,
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flags=flags,
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when=check_when,
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)
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have_raw_clock_monotonic_support = check_clock_monotonic_support()
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have_rt_clock_monotonic_support = check_clock_monotonic_support(
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lib="rt", when=~have_raw_clock_monotonic_support
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)
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set_define(
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"HAVE_CLOCK_MONOTONIC",
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have_raw_clock_monotonic_support | have_rt_clock_monotonic_support,
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)
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set_config(
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"HAVE_CLOCK_MONOTONIC",
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have_raw_clock_monotonic_support | have_rt_clock_monotonic_support,
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)
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set_config("REALTIME_LIBS", ["-lrt"], when=have_rt_clock_monotonic_support)
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have_res_ninit = try_link(
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includes=["sys/types.h", "netinet/in.h", "arpa/nameser.h", "resolv.h"],
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body="int foo = res_ninit(&_res);",
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check_msg="for res_ninit()",
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flags=depends(when=building_linux)(["-D_BSD_SOURCE=1"]),
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when=building_with_gnu_cc & ~target_is_netbsd & ~target_is_openbsd,
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)
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set_define("HAVE_RES_NINIT", have_res_ninit)
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# We don't want to link with libdl even if it's present on OS X, since
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# it's not used and not part of the default installation.
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# We don't want to link against libm or libpthread on Darwin since
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# they both are just symlinks to libSystem and explicitly linking
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# against libSystem causes issues when debugging (see bug 299601).
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with only_when(building_with_gnu_cc):
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dladdr_check = check_symbol_in_libs([None, "dl"], symbol="dladdr")
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set_define(
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"HAVE_DLADDR", depends(dladdr_check)(lambda check: "1" if check.found else "0")
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)
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with only_when(~target_is_darwin):
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check_header("dlfcn.h")
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dlopen_check = check_symbol_in_libs(["dl", None], symbol="dlopen")
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set_config(
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"DL_LIBS", ["-ldl"], when=depends(dlopen_check)(lambda check: check.lib)
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)
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set_config(
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"C_R_LIBS",
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["-lc_r"],
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when=check_symbol_in_lib(
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"c_r", symbol="gethostbyname_r", when=building_with_gnu_cc
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),
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)
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set_config(
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"SOCKET_LIBS",
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["-lsocket"],
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when=check_symbol_in_lib("socket", symbol="socket", when=building_with_gnu_cc),
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)
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