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Having kyua in the base system will simplify automated testing in CI and eliminates bootstrapping issues on new platforms. The build of kyua is controlled by WITH(OUT)_TESTS_SUPPORT. Reviewed by: emaste Obtained from: CheriBSD Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D24103
126 lines
4.5 KiB
Plaintext
126 lines
4.5 KiB
Plaintext
dnl Copyright 2011 The Kyua Authors.
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dnl All rights reserved.
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dnl
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dnl Redistribution and use in source and binary forms, with or without
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dnl modification, are permitted provided that the following conditions are
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dnl met:
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dnl
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dnl * Redistributions of source code must retain the above copyright
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dnl notice, this list of conditions and the following disclaimer.
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dnl * Redistributions in binary form must reproduce the above copyright
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dnl notice, this list of conditions and the following disclaimer in the
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dnl documentation and/or other materials provided with the distribution.
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dnl * Neither the name of Google Inc. nor the names of its contributors
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dnl may be used to endorse or promote products derived from this software
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dnl without specific prior written permission.
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dnl
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dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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dnl "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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dnl LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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dnl A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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dnl OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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dnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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dnl LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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dnl DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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dnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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dnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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dnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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dnl \file m4/fs.m4
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dnl File system related checks.
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dnl
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dnl The macros in this file check for features required in the utils/fs
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dnl module. The global KYUA_FS_MODULE macro will call all checks required
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dnl for the library.
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dnl KYUA_FS_GETCWD_DYN
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dnl
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dnl Checks whether getcwd(NULL, 0) works; i.e. if getcwd(3) can dynamically
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dnl allocate the output buffer to fit the whole current path.
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AC_DEFUN([KYUA_FS_GETCWD_DYN], [
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AC_CACHE_CHECK(
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[whether getcwd(NULL, 0) works],
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[kyua_cv_getcwd_dyn], [
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AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdlib.h>
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#include <unistd.h>
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], [
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char *cwd = getcwd(NULL, 0);
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return (cwd != NULL) ? EXIT_SUCCESS : EXIT_FAILURE;
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])],
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[kyua_cv_getcwd_dyn=yes],
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[kyua_cv_getcwd_dyn=no])
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])
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if test "${kyua_cv_getcwd_dyn}" = yes; then
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AC_DEFINE_UNQUOTED([HAVE_GETCWD_DYN], [1],
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[Define to 1 if getcwd(NULL, 0) works])
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fi
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])
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dnl KYUA_FS_LCHMOD
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dnl
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dnl Checks whether lchmod(3) exists and if it works. Some systems, such as
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dnl Ubuntu 10.04.1 LTS, provide a lchmod(3) stub that is not implemented yet
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dnl allows programs to compile cleanly (albeit for a warning). It would be
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dnl nice to detect if lchmod(3) works at run time to prevent side-effects of
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dnl this test but doing so means we will keep receiving a noisy compiler
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dnl warning.
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AC_DEFUN([KYUA_FS_LCHMOD], [
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AC_CACHE_CHECK(
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[for a working lchmod],
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[kyua_cv_lchmod_works], [
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AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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], [
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int fd = open("conftest.txt", O_WRONLY | O_CREAT | O_TRUNC, 0644);
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if (fd == -1) {
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perror("creation of conftest.txt failed");
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return EXIT_FAILURE;
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}
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return lchmod("conftest.txt", 0640) != -1 ? EXIT_SUCCESS : EXIT_FAILURE;
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])],
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[kyua_cv_lchmod_works=yes],
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[kyua_cv_lchmod_works=no])
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])
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rm -f conftest.txt
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if test "${kyua_cv_lchmod_works}" = yes; then
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AC_DEFINE_UNQUOTED([HAVE_WORKING_LCHMOD], [1],
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[Define to 1 if your lchmod works])
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fi
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])
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dnl KYUA_FS_UNMOUNT
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dnl
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dnl Detect the correct method to unmount a file system.
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AC_DEFUN([KYUA_FS_UNMOUNT], [
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AC_CHECK_FUNCS([unmount], [have_unmount2=yes], [have_unmount2=no])
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if test "${have_unmount2}" = no; then
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have_umount8=yes
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AC_PATH_PROG([UMOUNT], [umount], [have_umount8=no])
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if test "${have_umount8}" = yes; then
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AC_DEFINE_UNQUOTED([UMOUNT], ["${UMOUNT}"],
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[Set to the path of umount(8)])
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else
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AC_MSG_ERROR([Don't know how to unmount a file system])
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fi
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fi
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])
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dnl KYUA_FS_MODULE
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dnl
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dnl Performs all checks needed by the utils/fs library.
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AC_DEFUN([KYUA_FS_MODULE], [
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AC_CHECK_HEADERS([sys/mount.h sys/statvfs.h sys/vfs.h])
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AC_CHECK_FUNCS([statfs statvfs])
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KYUA_FS_GETCWD_DYN
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KYUA_FS_LCHMOD
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KYUA_FS_UNMOUNT
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])
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