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#serial 109 -*- autoconf -*-
dnl Misc type-related macros for coreutils.
# Copyright (C) 1998, 2000-2010 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Written by Jim Meyering.
AC_DEFUN([coreutils_MACROS],
[
AM_MISSING_PROG(HELP2MAN, help2man)
AC_SUBST([MAN])
dnl This macro actually runs replacement code. See isc-posix.m4.
AC_REQUIRE([AC_ISC_POSIX])dnl
gl_CHECK_ALL_TYPES
AC_REQUIRE([gl_CHECK_DECLS])
AC_REQUIRE([gl_PREREQ])
AC_REQUIRE([AC_FUNC_FSEEKO])
# By default, argmatch should fail calling usage (EXIT_FAILURE).
AC_DEFINE([ARGMATCH_DIE], [usage (EXIT_FAILURE)],
[Define to the function xargmatch calls on failures.])
AC_DEFINE([ARGMATCH_DIE_DECL], [void usage (int _e)],
[Define to the declaration of the xargmatch failure function.])
# used by ls
AC_REQUIRE([gl_CLOCK_TIME])
# used by shred
AC_CHECK_FUNCS_ONCE([directio])
# Used by install.c.
coreutils_saved_libs=$LIBS
LIBS="$LIBS $LIB_SELINUX"
AC_CHECK_FUNCS([matchpathcon_init_prefix], [],
[
case "$ac_cv_search_setfilecon:$ac_cv_header_selinux_selinux_h" in
no:*) # SELinux disabled
;;
*:no) # SELinux disabled
;;
*)
AC_MSG_WARN([SELinux enabled, but matchpathcon_init_prefix not found])
AC_MSG_WARN([The install utility may run slowly])
esac
])
LIBS=$coreutils_saved_libs
# Used by sort.c.
AC_CHECK_FUNCS_ONCE([posix_fadvise])
AC_CHECK_FUNCS_ONCE([nl_langinfo])
# Used by tail.c.
AC_CHECK_FUNCS([inotify_init],
[AC_DEFINE([HAVE_INOTIFY], [1],
[Define to 1 if you have usable inotify support.])])
AC_CHECK_FUNCS_ONCE( \
endgrent \
endpwent \
fchown \
fchmod \
ftruncate \
iswspace \
mkfifo \
mbrlen \
setgroups \
sethostname \
siginterrupt \
sync \
sysctl \
sysinfo \
tcgetpgrp \
)
dnl This can't use AC_REQUIRE; I'm not quite sure why.
cu_PREREQ_STAT_PROG
# for dd.c and shred.c
coreutils_saved_libs=$LIBS
LIB_FDATASYNC=
AC_SEARCH_LIBS([fdatasync], [rt posix4],
[test "$ac_cv_search_fdatasync" = "none required" ||
LIB_FDATASYNC=$ac_cv_search_fdatasync])
AC_SUBST([LIB_FDATASYNC])
AC_CHECK_FUNCS([fdatasync])
LIBS=$coreutils_saved_libs
# Check whether libcap is usable -- for ls --color support
LIB_CAP=
AC_ARG_ENABLE([libcap],
AC_HELP_STRING([--disable-libcap], [disable libcap support]))
if test "X$enable_libcap" != "Xno"; then
AC_CHECK_LIB([cap], [cap_get_file],
[AC_CHECK_HEADER([sys/capability.h],
[LIB_CAP=-lcap
AC_DEFINE([HAVE_CAP], [1], [libcap usability])]
)])
if test "X$LIB_CAP" = "X"; then
if test "X$enable_libcap" = "Xyes"; then
AC_MSG_ERROR([libcap library was not found or not usable])
else
AC_MSG_WARN([libcap library was not found or not usable.])
AC_MSG_WARN([AC_PACKAGE_NAME will be built without capability support.])
fi
fi
else
AC_MSG_WARN([libcap support disabled by user])
fi
AC_SUBST([LIB_CAP])
# See if linking `seq' requires -lm.
# It does on nearly every system. The single exception (so far) is
# BeOS which has all the math functions in the normal runtime library
# and doesn't have a separate math library.
AC_SUBST([SEQ_LIBM])
ac_seq_body='
static double x, y;
x = floor (x);
x = rint (x);
x = modf (x, &y);'
AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
[ac_seq_save_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
LIBS="$ac_seq_save_LIBS"
])
AC_REQUIRE([AM_LANGINFO_CODESET])
# Accept configure options: --with-tty-group[=GROUP], --without-tty-group
# You can determine the group of a TTY via 'stat --format %G /dev/tty'
# Omitting this option is equivalent to using --without-tty-group.
AC_ARG_WITH([tty-group],
AS_HELP_STRING([--with-tty-group[[[=NAME]]]],
[group used by system for TTYs, "tty" when not specified]
[ (default: do not rely on any group used for TTYs)]),
[tty_group_name=$withval],
[tty_group_name=no])
if test "x$tty_group_name" != xno; then
if test "x$tty_group_name" = xyes; then
tty_group_name=tty
fi
AC_MSG_NOTICE([TTY group used by system set to "$tty_group_name"])
AC_DEFINE_UNQUOTED([TTY_GROUP_NAME], ["$tty_group_name"],
[group used by system for TTYs])
fi
])
AC_DEFUN([gl_CHECK_ALL_HEADERS],
[
AC_CHECK_HEADERS_ONCE( \
hurd.h \
paths.h \
priv.h \
stropts.h \
sys/param.h \
sys/resource.h \
sys/systeminfo.h \
syslog.h \
termios.h \
)
AC_CHECK_HEADERS([sys/sysctl.h], [], [],
[AC_INCLUDES_DEFAULT
[#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif]])
])
# This macro must be invoked before any tests that run the compiler.
AC_DEFUN([gl_CHECK_ALL_TYPES],
[
dnl This test must precede tests of compiler characteristics like
dnl that for the inline keyword, since it may change the degree to
dnl which the compiler supports such features.
AC_REQUIRE([AM_C_PROTOTYPES])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_REQUIRE([gl_BIGENDIAN])
AC_REQUIRE([AC_C_VOLATILE])
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
AC_REQUIRE([gl_CHECK_ALL_HEADERS])
AC_CHECK_MEMBERS(
[struct stat.st_author],,,
[$ac_includes_default
#include <sys/stat.h>
])
AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
AC_REQUIRE([AC_TYPE_GETGROUPS])
AC_REQUIRE([AC_TYPE_MBSTATE_T])
AC_REQUIRE([AC_TYPE_MODE_T])
AC_REQUIRE([AC_TYPE_OFF_T])
AC_REQUIRE([AC_TYPE_PID_T])
AC_REQUIRE([AC_TYPE_SIZE_T])
AC_REQUIRE([AC_TYPE_UID_T])
AC_CHECK_TYPE([ino_t], [unsigned long int])
dnl This relies on the fact that Autoconf's implementation of
dnl AC_CHECK_TYPE checks includes unistd.h.
AC_CHECK_TYPE([major_t], [unsigned int])
AC_CHECK_TYPE([minor_t], [unsigned int])
AC_REQUIRE([AC_HEADER_MAJOR])
])
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