1 #serial 110 -*- autoconf -*-
3 dnl Misc type-related macros for coreutils.
5 # Copyright (C) 1998, 2000-2010 Free Software Foundation, Inc.
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 # Written by Jim Meyering.
22 AC_DEFUN([coreutils_MACROS],
24 AM_MISSING_PROG(HELP2MAN, help2man)
27 dnl This macro actually runs replacement code. See isc-posix.m4.
28 AC_REQUIRE([AC_ISC_POSIX])dnl
32 AC_REQUIRE([gl_CHECK_DECLS])
34 AC_REQUIRE([gl_PREREQ])
36 AC_REQUIRE([AC_FUNC_FSEEKO])
38 # By default, argmatch should fail calling usage (EXIT_FAILURE).
39 AC_DEFINE([ARGMATCH_DIE], [usage (EXIT_FAILURE)],
40 [Define to the function xargmatch calls on failures.])
41 AC_DEFINE([ARGMATCH_DIE_DECL], [void usage (int _e)],
42 [Define to the declaration of the xargmatch failure function.])
45 AC_REQUIRE([gl_CLOCK_TIME])
47 AC_CHECK_FUNCS_ONCE([directio])
50 coreutils_saved_libs=$LIBS
51 LIBS="$LIBS $LIB_SELINUX"
52 AC_CHECK_FUNCS([matchpathcon_init_prefix], [],
54 case "$ac_cv_search_setfilecon:$ac_cv_header_selinux_selinux_h" in
55 no:*) # SELinux disabled
57 *:no) # SELinux disabled
60 AC_MSG_WARN([SELinux enabled, but matchpathcon_init_prefix not found])
61 AC_MSG_WARN([The install utility may run slowly])
64 LIBS=$coreutils_saved_libs
67 AC_CHECK_FUNCS_ONCE([nl_langinfo])
70 AC_CHECK_FUNCS([inotify_init],
71 [AC_DEFINE([HAVE_INOTIFY], [1],
72 [Define to 1 if you have usable inotify support.])])
74 AC_CHECK_FUNCS_ONCE( \
92 dnl This can't use AC_REQUIRE; I'm not quite sure why.
95 # for dd.c and shred.c
96 coreutils_saved_libs=$LIBS
98 AC_SEARCH_LIBS([fdatasync], [rt posix4],
99 [test "$ac_cv_search_fdatasync" = "none required" ||
100 LIB_FDATASYNC=$ac_cv_search_fdatasync])
101 AC_SUBST([LIB_FDATASYNC])
102 AC_CHECK_FUNCS([fdatasync])
103 LIBS=$coreutils_saved_libs
105 # Check whether libcap is usable -- for ls --color support
107 AC_ARG_ENABLE([libcap],
108 AC_HELP_STRING([--disable-libcap], [disable libcap support]))
109 if test "X$enable_libcap" != "Xno"; then
110 AC_CHECK_LIB([cap], [cap_get_file],
111 [AC_CHECK_HEADER([sys/capability.h],
113 AC_DEFINE([HAVE_CAP], [1], [libcap usability])]
115 if test "X$LIB_CAP" = "X"; then
116 if test "X$enable_libcap" = "Xyes"; then
117 AC_MSG_ERROR([libcap library was not found or not usable])
119 AC_MSG_WARN([libcap library was not found or not usable.])
120 AC_MSG_WARN([AC_PACKAGE_NAME will be built without capability support.])
124 AC_MSG_WARN([libcap support disabled by user])
128 # See if linking `seq' requires -lm.
129 # It does on nearly every system. The single exception (so far) is
130 # BeOS which has all the math functions in the normal runtime library
131 # and doesn't have a separate math library.
139 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
140 [ac_seq_save_LIBS="$LIBS"
142 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
143 LIBS="$ac_seq_save_LIBS"
146 AC_REQUIRE([AM_LANGINFO_CODESET])
148 # Accept configure options: --with-tty-group[=GROUP], --without-tty-group
149 # You can determine the group of a TTY via 'stat --format %G /dev/tty'
150 # Omitting this option is equivalent to using --without-tty-group.
151 AC_ARG_WITH([tty-group],
152 AS_HELP_STRING([--with-tty-group[[[=NAME]]]],
153 [group used by system for TTYs, "tty" when not specified]
154 [ (default: do not rely on any group used for TTYs)]),
155 [tty_group_name=$withval],
158 if test "x$tty_group_name" != xno; then
159 if test "x$tty_group_name" = xyes; then
162 AC_MSG_NOTICE([TTY group used by system set to "$tty_group_name"])
163 AC_DEFINE_UNQUOTED([TTY_GROUP_NAME], ["$tty_group_name"],
164 [group used by system for TTYs])
168 AC_DEFUN([gl_CHECK_ALL_HEADERS],
170 AC_CHECK_HEADERS_ONCE( \
180 AC_CHECK_HEADERS([sys/sysctl.h], [], [],
182 [#if HAVE_SYS_PARAM_H
183 #include <sys/param.h>
187 # This macro must be invoked before any tests that run the compiler.
188 AC_DEFUN([gl_CHECK_ALL_TYPES],
190 dnl This test must precede tests of compiler characteristics like
191 dnl that for the inline keyword, since it may change the degree to
192 dnl which the compiler supports such features.
193 AC_REQUIRE([AM_C_PROTOTYPES])
195 dnl Checks for typedefs, structures, and compiler characteristics.
196 AC_REQUIRE([gl_BIGENDIAN])
197 AC_REQUIRE([AC_C_VOLATILE])
198 AC_REQUIRE([AC_C_INLINE])
199 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
201 AC_REQUIRE([gl_CHECK_ALL_HEADERS])
203 [struct stat.st_author],,,
204 [$ac_includes_default
205 #include <sys/stat.h>
207 AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
209 AC_REQUIRE([AC_TYPE_GETGROUPS])
210 AC_REQUIRE([AC_TYPE_MBSTATE_T])
211 AC_REQUIRE([AC_TYPE_MODE_T])
212 AC_REQUIRE([AC_TYPE_OFF_T])
213 AC_REQUIRE([AC_TYPE_PID_T])
214 AC_REQUIRE([AC_TYPE_SIZE_T])
215 AC_REQUIRE([AC_TYPE_UID_T])
216 AC_CHECK_TYPE([ino_t], [unsigned long int])
218 dnl This relies on the fact that Autoconf's implementation of
219 dnl AC_CHECK_TYPE checks includes unistd.h.
220 AC_CHECK_TYPE([major_t], [unsigned int])
221 AC_CHECK_TYPE([minor_t], [unsigned int])
223 AC_REQUIRE([AC_HEADER_MAJOR])