1 #serial 110 -*- autoconf -*-
3 dnl Misc type-related macros for coreutils.
5 # Copyright (C) 1998-2014 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_CHECK_FUNCS_ONCE([directio])
47 coreutils_saved_libs=$LIBS
48 LIBS="$LIBS $LIB_SELINUX"
50 AC_CHECK_FUNCS([mode_to_security_class], [], [])
52 AC_CHECK_FUNCS([matchpathcon_init_prefix], [],
54 if test "$with_selinux" != no; then
55 case "$ac_cv_search_setfilecon:$ac_cv_header_selinux_selinux_h" in
56 no:*) # SELinux disabled
58 *:no) # SELinux disabled
61 AC_MSG_WARN([SELinux enabled, but matchpathcon_init_prefix not found])
62 AC_MSG_WARN([The install utility may run slowly])
66 LIBS=$coreutils_saved_libs
69 AC_CHECK_FUNCS_ONCE([nl_langinfo])
71 AC_CHECK_FUNCS_ONCE([setrlimit prctl])
74 AC_CHECK_FUNCS([inotify_init],
75 [AC_DEFINE([HAVE_INOTIFY], [1],
76 [Define to 1 if you have usable inotify support.])])
96 # These checks are for Interix, to avoid its getgr* functions, in favor
97 # of these replacements. The replacement functions are much more efficient
98 # because they do not query the domain controller for user information
99 # when it is not needed.
100 AC_CHECK_FUNCS_ONCE([
106 dnl This can't use AC_REQUIRE; I'm not quite sure why.
109 # for dd.c and shred.c
111 # Use fdatasync only if declared. On MacOS X 10.7, fdatasync exists but
112 # is not declared, and is ineffective.
114 AC_SUBST([LIB_FDATASYNC])
115 AC_CHECK_DECLS_ONCE([fdatasync])
116 if test $ac_cv_have_decl_fdatasync = yes; then
117 coreutils_saved_libs=$LIBS
118 AC_SEARCH_LIBS([fdatasync], [rt posix4],
119 [test "$ac_cv_search_fdatasync" = "none required" ||
120 LIB_FDATASYNC=$ac_cv_search_fdatasync])
121 AC_CHECK_FUNCS([fdatasync])
122 LIBS=$coreutils_saved_libs
125 # Check whether libcap is usable -- for ls --color support
127 AC_ARG_ENABLE([libcap],
128 AC_HELP_STRING([--disable-libcap], [disable libcap support]))
129 if test "X$enable_libcap" != "Xno"; then
130 AC_CHECK_LIB([cap], [cap_get_file],
131 [AC_CHECK_HEADER([sys/capability.h],
133 AC_DEFINE([HAVE_CAP], [1], [libcap usability])]
135 if test "X$LIB_CAP" = "X"; then
136 if test "X$enable_libcap" = "Xyes"; then
137 AC_MSG_ERROR([libcap library was not found or not usable])
139 AC_MSG_WARN([libcap library was not found or not usable.])
140 AC_MSG_WARN([AC_PACKAGE_NAME will be built without capability support.])
144 AC_MSG_WARN([libcap support disabled by user])
148 # See if linking 'seq' requires -lm.
149 # It does on nearly every system. The single exception (so far) is
150 # BeOS which has all the math functions in the normal runtime library
151 # and doesn't have a separate math library.
159 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
160 [ac_seq_save_LIBS="$LIBS"
162 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
163 LIBS="$ac_seq_save_LIBS"
166 AC_REQUIRE([AM_LANGINFO_CODESET])
168 # Accept configure options: --with-tty-group[=GROUP], --without-tty-group
169 # You can determine the group of a TTY via 'stat --format %G /dev/tty'
170 # Omitting this option is equivalent to using --without-tty-group.
171 AC_ARG_WITH([tty-group],
172 AS_HELP_STRING([--with-tty-group[[[=NAME]]]],
173 [group used by system for TTYs, "tty" when not specified]
174 [ (default: do not rely on any group used for TTYs)]),
175 [tty_group_name=$withval],
178 if test "x$tty_group_name" != xno; then
179 if test "x$tty_group_name" = xyes; then
182 AC_MSG_NOTICE([TTY group used by system set to "$tty_group_name"])
183 AC_DEFINE_UNQUOTED([TTY_GROUP_NAME], ["$tty_group_name"],
184 [group used by system for TTYs])
188 AC_DEFUN([gl_CHECK_ALL_HEADERS],
190 AC_CHECK_HEADERS_ONCE([
199 AC_CHECK_HEADERS([sys/sysctl.h], [], [],
201 [#if HAVE_SYS_PARAM_H
202 #include <sys/param.h>
206 # This macro must be invoked before any tests that run the compiler.
207 AC_DEFUN([gl_CHECK_ALL_TYPES],
209 dnl Checks for typedefs, structures, and compiler characteristics.
210 AC_REQUIRE([gl_BIGENDIAN])
211 AC_REQUIRE([AC_C_VOLATILE])
212 AC_REQUIRE([AC_C_INLINE])
213 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
215 AC_REQUIRE([gl_CHECK_ALL_HEADERS])
217 [struct stat.st_author],,,
218 [$ac_includes_default
219 #include <sys/stat.h>
221 AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
223 AC_REQUIRE([AC_TYPE_GETGROUPS])
224 AC_REQUIRE([AC_TYPE_MBSTATE_T])
225 AC_REQUIRE([AC_TYPE_MODE_T])
226 AC_REQUIRE([AC_TYPE_OFF_T])
227 AC_REQUIRE([AC_TYPE_PID_T])
228 AC_REQUIRE([AC_TYPE_SIZE_T])
229 AC_REQUIRE([AC_TYPE_UID_T])
230 AC_CHECK_TYPE([ino_t], [unsigned long int])
232 dnl This relies on the fact that Autoconf's implementation of
233 dnl AC_CHECK_TYPE checks includes unistd.h.
234 AC_CHECK_TYPE([major_t], [unsigned int])
235 AC_CHECK_TYPE([minor_t], [unsigned int])
237 AC_REQUIRE([AC_HEADER_MAJOR])