2010-03-26 20:49:55 +00:00
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/* Set flags signalling availability of kernel features based on given
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kernel version number.
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2024-01-01 18:12:26 +00:00
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Copyright (C) 2010-2024 Free Software Foundation, Inc.
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2010-03-26 20:49:55 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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2012-03-09 23:56:38 +00:00
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License along with the GNU C Library. If not, see
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Prefer https to http for gnu.org and fsf.org URLs
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
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<https://www.gnu.org/licenses/>. */
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2010-03-26 20:49:55 +00:00
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2012-02-08 19:43:50 +00:00
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#ifndef _KERNEL_FEATURES_H
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#define _KERNEL_FEATURES_H 1
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2010-03-26 20:49:55 +00:00
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#include_next <kernel-features.h>
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2019-05-16 20:03:39 +00:00
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/* Support for statfs64 was added in 5.1. */
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#if __LINUX_KERNEL_VERSION < 0x050100
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# undef __ASSUME_STATFS64
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# define __ASSUME_STATFS64 0
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#endif
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2012-02-08 19:43:50 +00:00
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2017-03-06 14:13:03 +00:00
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#define __ASSUME_RECV_SYSCALL 1
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2017-03-12 20:23:52 +00:00
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#define __ASSUME_SEND_SYSCALL 1
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2016-11-17 20:47:00 +00:00
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2018-07-05 16:59:02 +00:00
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/* Support for the renameat2 syscall was added in 3.17. */
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#if __LINUX_KERNEL_VERSION < 0x031100
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# undef __ASSUME_RENAMEAT2
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#endif
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2017-09-06 15:29:29 +00:00
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/* Support for the execveat syscall was added in 4.2. */
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#if __LINUX_KERNEL_VERSION < 0x040200
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# undef __ASSUME_EXECVEAT
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#endif
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2018-07-24 19:03:04 +00:00
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/* Support for copy_file_range, statx was added in kernel 4.13. */
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2018-07-10 14:14:45 +00:00
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#if __LINUX_KERNEL_VERSION < 0x040D00
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2018-07-24 19:03:04 +00:00
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# undef __ASSUME_MLOCK2
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2018-07-10 14:14:45 +00:00
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# undef __ASSUME_STATX
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#endif
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2019-05-15 18:20:58 +00:00
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/* Alpha requires old sysvipc even being a 64-bit architecture. */
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#undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
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2023-08-24 16:42:16 +00:00
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/* Alpha does not provide clone3. */
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#undef __ASSUME_CLONE3
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#define __ASSUME_CLONE3 0
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2012-02-08 19:43:50 +00:00
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#endif /* _KERNEL_FEATURES_H */
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