357cfd3b03
Avoid anachronisms, however; there was no "macOS 10.0" or even "OS X 10.0", for example. It was "Mac OS X" until 10.8 (although 10.7 was sometimes called "OS X" and sometimes called "Mac OS X"), and it was "OS X" from 10.8 to 10.11. Change-Id: Ie4a848997dcc6c45c2245c1fb84ec526032375c3 Reviewed-on: https://code.wireshark.org/review/20933 Reviewed-by: Guy Harris <guy@alum.mit.edu>
107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/* ws_diag_control.h
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* Turn compiler diagnostic messages on and off.
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*
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* From FreeRADIUS build.h.
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*
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* @copyright 2013 The FreeRADIUS server project
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*
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* That project is covered by the GPLv2, so:
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __WS_DIAG_CONTROL_H__
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#define __WS_DIAG_CONTROL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define XSTRINGIFY(x) #x
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/*
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* Macros for controlling warnings in GCC >= 4.2 and clang >= 2.8
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*/
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#define DIAG_JOINSTR(x,y) XSTRINGIFY(x ## y)
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#define DIAG_DO_PRAGMA(x) _Pragma (#x)
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/* check the gcc or clang version
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pragma GCC diagnostic error/warning/ignored -Wxxx was introduced
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in gcc 4.2.0
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pragma GCC diagnostic push/pop was introduced in gcc 4.6.0
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pragma clang diagnostic error/warning/ignored -Wxxx and
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pragma clang diagnostic push/pop were introduced in clang 2.8 */
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#if defined(__GNUC__) && !defined(__clang__)
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# define gcc_version ((__GNUC__ * 1000) + (__GNUC_MINOR__ * 10))
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# if gcc_version >= 4080
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/*
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* gcc version is >= 4.8.0. We can use "GCC diagnostic push/pop" *and*
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* gcc supports "-Wpedantic".
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*/
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# define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(GCC diagnostic x)
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# define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x))
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# define DIAG_ON(x) DIAG_PRAGMA(pop)
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# endif
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#elif defined(__clang__)
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# define clang_version ((__clang_major__ * 1000) + (__clang_minor__ * 10))
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# if clang_version >= 2080
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/* clang version is >= 2.8: we can use "clang diagnostic ignored -Wxxx"
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and "clang diagnostic push/pop" */
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# define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(clang diagnostic x)
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# define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x))
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# define DIAG_ON(x) DIAG_PRAGMA(pop)
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# endif
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#endif
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/* Use for clang specific pragmas, so we can keep -Wpragmas enabled */
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#ifdef __clang__
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# define DIAG_OFF_CLANG(x) DIAG_OFF(x)
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# define DIAG_ON_CLANG(x) DIAG_ON(x)
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#else
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# define DIAG_OFF_CLANG(x)
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# define DIAG_ON_CLANG(x)
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#endif
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#ifndef DIAG_OFF
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/* no gcc or clang, or gcc version < 4.2.0, or clang version < 2.8:
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we can't do anything */
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# define DIAG_OFF(x)
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# define DIAG_ON(x)
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#endif
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/*
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* For dealing with APIs which are only deprecated in macOS (like the
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* OpenSSL and MIT/Heimdal Kerberos APIs).
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*
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* Dear Apple: this is a cross-platform program, and we're not
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* going to use your Shiny New Frameworks on macOS unless there's
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* a sufficiently clear benefit to make it worth our while to have
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* both macOS and non-macOS versions of the code.
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*/
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#ifdef __APPLE__
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# define USES_APPLE_DEPRECATED_API DIAG_OFF(deprecated-declarations)
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# define USES_APPLE_RST DIAG_ON(deprecated-declarations)
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#else
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# define USES_APPLE_DEPRECATED_API
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# define USES_APPLE_RST
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __WS_DIAG_CONTROL_H__ */
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