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tools/build: Provide fls* when cross-building on Linux

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flsll is needed for makefs's new ZFS support, and the others are added
for completeness.

Reviewed by:	emaste, arichardson
Fixes:		240afd8c1f ("makefs: Add ZFS support")
Differential Revision:	https://reviews.freebsd.org/D36134
This commit is contained in:
Jessica Clarke 2022-08-18 02:46:28 +01:00
parent e9ba1fd5ed
commit 548f8a657b
2 changed files with 42 additions and 0 deletions
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2
tools/build/Makefile
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@ -190,6 +190,8 @@ SRCS+= rpmatch.c
# On Linux, glibc does not provide strlcpy,strlcat or strmode.
.PATH: ${LIBC_SRCTOP}/string
SRCS+= strlcpy.c strlcat.c strmode.c
# On Linux, glibc provides ffs* but not fls*
SRCS+= fls.c flsl.c flsll.c
# Compile the fgetln/fgetwln/closefrom fallback code from libbsd:
SRCS+= fgetln_fallback.c fgetwln_fallback.c closefrom.c
CFLAGS.closefrom.c+= -DSTDC_HEADERS -DHAVE_SYS_DIR_H -DHAVE_DIRENT_H \

40
tools/build/cross-build/include/linux/strings.h Normal file
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@ -0,0 +1,40 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright 2022 Jessica Clarke <jrtc27@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#pragma once
#include <sys/cdefs.h>
#include_next <strings.h>
__BEGIN_DECLS
int fls(int) __pure2;
int flsl(long) __pure2;
int flsll(long long) __pure2;
__END_DECLS