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866f73af91
Glibc tends to include standard headers with special definitions that make few declarations or macros visible, this stomps over the overlay #include_next <> logic. Based-on-patch-by: Robert Millan <rmh@debian.org>
142 lines
3.3 KiB
C
142 lines
3.3 KiB
C
/*
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* Copyright © 2004-2006, 2009-2011 Guillem Jover
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef LIBBSD_OVERLAY
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#include_next <sys/cdefs.h>
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#else
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#include <sys/cdefs.h>
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#endif
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#ifndef LIBBSD_SYS_CDEFS_H
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#define LIBBSD_SYS_CDEFS_H
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/*
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* Some kFreeBSD headers expect those macros to be set for sanity checks.
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*/
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#ifndef _SYS_CDEFS_H_
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#define _SYS_CDEFS_H_
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#endif
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#ifndef _SYS_CDEFS_H
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#define _SYS_CDEFS_H
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#endif
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#ifdef __GNUC__
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#define LIBBSD_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
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#else
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#define LIBBSD_GCC_VERSION 0
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#endif
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#ifndef __dead2
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# if LIBBSD_GCC_VERSION >= 0x0207
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# define __dead2 __attribute__((__noreturn__))
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# else
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# define __dead2
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# endif
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#endif
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#ifndef __pure2
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# if LIBBSD_GCC_VERSION >= 0x0207
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# define __pure2 __attribute__((__const__))
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# else
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# define __pure2
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# endif
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#endif
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#ifndef __packed
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# if LIBBSD_GCC_VERSION >= 0x0207
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# define __packed __attribute__((__packed__))
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# else
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# define __packed
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# endif
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#endif
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#ifndef __aligned
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# if LIBBSD_GCC_VERSION >= 0x0207
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# define __aligned(x) __attribute__((__aligned__(x)))
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# else
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# define __aligned(x)
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# endif
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#endif
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/* Linux headers define a struct with a member names __unused.
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* Debian bugs: #522773 (linux), #522774 (libc).
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* Disable for now. */
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#if 0
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#ifndef __unused
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# if LIBBSD_GCC_VERSION >= 0x0300
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# define __unused __attribute__((unused))
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# else
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# define __unused
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# endif
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#endif
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#endif
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#ifndef __printflike
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# if LIBBSD_GCC_VERSION >= 0x0300
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# define __printflike(x, y) __attribute((format(printf, (x), (y))))
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# else
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# define __printflike(x, y)
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# endif
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#endif
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#ifndef __nonnull
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# if LIBBSD_GCC_VERSION >= 0x0302
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# define __nonnull(x) __attribute__((__nonnull__(x)))
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# else
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# define __nonnull(x)
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# endif
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#endif
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#ifndef __bounded__
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# define __bounded__(x, y, z)
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#endif
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#ifndef __RCSID
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# define __RCSID(x)
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#endif
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#ifndef __FBSDID
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# define __FBSDID(x)
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#endif
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#ifndef __RCSID
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# define __RCSID(x)
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#endif
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#ifndef __RCSID_SOURCE
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# define __RCSID_SOURCE(x)
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#endif
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#ifndef __SCCSID
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# define __SCCSID(x)
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#endif
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#ifndef __COPYRIGHT
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# define __COPYRIGHT(x)
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#endif
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#endif
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