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4e98e95df2
* m4/jm-macros.m4 (gl_CHECK_ALL_TYPES): Use current form of AC_CHECK_TYPE instead of the no-longer-documented obsolescent form.
240 lines
6.9 KiB
Plaintext
240 lines
6.9 KiB
Plaintext
#serial 116 -*- autoconf -*-
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dnl Misc type-related macros for coreutils.
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# Copyright (C) 1998-2024 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program 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
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Written by Jim Meyering.
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AC_DEFUN([coreutils_MACROS],
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[
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AM_MISSING_PROG(HELP2MAN, help2man)
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AC_SUBST([MAN])
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gl_CHECK_ALL_TYPES
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AC_REQUIRE([gl_CHECK_DECLS])
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AC_REQUIRE([gl_PREREQ])
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AC_REQUIRE([AC_FUNC_FSEEKO])
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# By default, argmatch should fail calling usage (EXIT_FAILURE).
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AC_DEFINE([ARGMATCH_DIE], [usage (EXIT_FAILURE)],
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[Define to the function xargmatch calls on failures.])
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AC_DEFINE([ARGMATCH_DIE_DECL], [void usage (int _e)],
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[Define to the declaration of the xargmatch failure function.])
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# Ensure VLAs are not used.
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# Note -Wvla is implicitly added by gl_MANYWARN_ALL_GCC
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AC_DEFINE([GNULIB_NO_VLA], [1], [Define to 1 to disable use of VLAs])
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# used by shred
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AC_CHECK_FUNCS_ONCE([directio])
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coreutils_saved_libs=$LIBS
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LIBS="$LIBS $LIB_SELINUX"
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# Used by selinux.c.
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AC_CHECK_FUNCS([mode_to_security_class], [], [])
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LIBS=$coreutils_saved_libs
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# Used by sort.c.
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AC_CHECK_FUNCS_ONCE([nl_langinfo])
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# Used by timeout.c
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AC_CHECK_FUNCS_ONCE([setitimer setrlimit prctl])
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# Used by tail.c.
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AC_CHECK_FUNCS([inotify_init],
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[AC_DEFINE([HAVE_INOTIFY], [1],
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[Define to 1 if you have usable inotify support.])])
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AC_CHECK_FUNCS_ONCE([
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endgrent
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endpwent
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fallocate
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fchown
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fchmod
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setgroups
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sethostname
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siginterrupt
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sync
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syncfs
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sysinfo
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tcgetpgrp
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])
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# These checks are for Interix, to avoid its getgr* functions, in favor
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# of these replacements. The replacement functions are much more efficient
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# because they do not query the domain controller for user information
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# when it is not needed.
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AC_CHECK_FUNCS_ONCE([
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getgrgid_nomembers
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getgrnam_nomembers
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getgrent_nomembers
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])
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dnl This can't use AC_REQUIRE; I'm not quite sure why.
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cu_PREREQ_STAT_PROG
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# Check whether libcap is usable -- for ls --color support
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LIB_CAP=
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AC_ARG_ENABLE([libcap],
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AS_HELP_STRING([--disable-libcap], [disable libcap support]))
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if test "X$enable_libcap" != "Xno"; then
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AC_CHECK_LIB([cap], [cap_get_file],
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[AC_CHECK_HEADER([sys/capability.h],
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[LIB_CAP=-lcap
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AC_DEFINE([HAVE_CAP], [1], [libcap usability])]
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)])
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if test "X$LIB_CAP" = "X"; then
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if test "X$enable_libcap" = "Xyes"; then
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AC_MSG_ERROR([libcap library was not found or not usable])
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else
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AC_MSG_WARN([libcap library was not found or not usable.])
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AC_MSG_WARN([AC_PACKAGE_NAME will be built without capability support.])
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fi
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fi
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else
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AC_MSG_WARN([libcap support disabled by user])
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fi
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AC_SUBST([LIB_CAP])
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# See if linking 'seq' requires -lm.
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# It does on nearly every system. The single exception (so far) is
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# BeOS which has all the math functions in the normal runtime library
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# and doesn't have a separate math library.
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AC_SUBST([SEQ_LIBM])
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jm_break=:
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for jm_seqlibs in '' '-lm'; do
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jm_seq_save_LIBS=$LIBS
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <math.h>
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]],
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[[static double x, y;
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x = floor (x);
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x = rint (x);
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x = modf (x, &y);]])],
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[SEQ_LIBM=$jm_seqlibs
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jm_break=break])
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LIBS=$jm_seq_save_LIBS
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$jm_break
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done
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# See is fpsetprec() required to use extended double precision
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# This is needed on 32 bit FreeBSD to give accurate conversion of:
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# `numfmt 9223372036854775808`
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <ieeefp.h>
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]],
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[[#ifdef __i386__
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fpsetprec (FP_PE);
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#else
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# error not required on 64 bit
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#endif
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]])],
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[ac_have_fpsetprec=yes],
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[ac_have_fpsetprec=no])
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if test "$ac_have_fpsetprec" = "yes" ; then
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AC_DEFINE([HAVE_FPSETPREC], 1, [whether fpsetprec is present and required])
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fi
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AC_REQUIRE([AM_LANGINFO_CODESET])
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# Accept configure options: --with-tty-group[=GROUP], --without-tty-group
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# You can determine the group of a TTY via 'stat --format %G /dev/tty'
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# Omitting this option is equivalent to using --without-tty-group.
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AC_ARG_WITH([tty-group],
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AS_HELP_STRING([--with-tty-group[[[=NAME]]]],
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[group used by system for TTYs, "tty" when not specified]
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[ (default: do not rely on any group used for TTYs)]),
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[tty_group_name=$withval],
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[tty_group_name=no])
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if test "x$tty_group_name" != xno; then
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if test "x$tty_group_name" = xyes; then
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tty_group_name=tty
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fi
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AC_MSG_NOTICE([TTY group used by system set to "$tty_group_name"])
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AC_DEFINE_UNQUOTED([TTY_GROUP_NAME], ["$tty_group_name"],
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[group used by system for TTYs])
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fi
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])
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AC_DEFUN([gl_CHECK_ALL_HEADERS],
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[
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AC_CHECK_HEADERS_ONCE([
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hurd.h
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linux/falloc.h
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linux/fs.h
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paths.h
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priv.h
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stropts.h
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sys/mtio.h
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sys/param.h
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sys/systeminfo.h
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syslog.h
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])
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AC_CHECK_HEADERS([sys/sysctl.h], [], [],
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[AC_INCLUDES_DEFAULT
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[#if HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif]])
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])
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# This macro must be invoked before any tests that run the compiler.
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AC_DEFUN([gl_CHECK_ALL_TYPES],
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[
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_REQUIRE([gl_BIGENDIAN])
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AC_REQUIRE([AC_C_VOLATILE])
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AC_REQUIRE([AC_C_INLINE])
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AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
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AC_REQUIRE([gl_CHECK_ALL_HEADERS])
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AC_CHECK_MEMBERS(
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[struct stat.st_author],,,
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[$ac_includes_default
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#include <sys/stat.h>
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])
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AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
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AC_REQUIRE([AC_TYPE_GETGROUPS])
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dnl FIXME is this section still needed?
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dnl These types are universally available now.
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AC_REQUIRE([AC_TYPE_MBSTATE_T])
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AC_REQUIRE([AC_TYPE_MODE_T])
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AC_REQUIRE([AC_TYPE_OFF_T])
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AC_REQUIRE([AC_TYPE_PID_T])
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AC_REQUIRE([AC_TYPE_SIZE_T])
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AC_REQUIRE([AC_TYPE_UID_T])
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AC_CHECK_TYPE([ino_t], [],
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[AC_DEFINE([ino_t], [unsigned long int],
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[Type of file serial numbers, also known as inode numbers.])])
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dnl This relies on the fact that Autoconf's implementation of
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dnl AC_CHECK_TYPE checks includes unistd.h.
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AC_CHECK_TYPE([major_t], [],
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[AC_DEFINE([major_t], [unsigned int], [Type of major device numbers.])])
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AC_CHECK_TYPE([minor_t], [],
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[AC_DEFINE([minor_t], [unsigned int], [Type of minor device numbers.])])
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AC_REQUIRE([AC_HEADER_MAJOR])
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])
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