1 #serial 110 -*- autoconf -*-
3 dnl Misc type-related macros for coreutils.
5 # Copyright (C) 1998-2012 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])
48 coreutils_saved_libs=$LIBS
49 LIBS="$LIBS $LIB_SELINUX"
50 AC_CHECK_FUNCS([matchpathcon_init_prefix], [],
52 case "$ac_cv_search_setfilecon:$ac_cv_header_selinux_selinux_h" in
53 no:*) # SELinux disabled
55 *:no) # SELinux disabled
58 AC_MSG_WARN([SELinux enabled, but matchpathcon_init_prefix not found])
59 AC_MSG_WARN([The install utility may run slowly])
62 LIBS=$coreutils_saved_libs
65 AC_CHECK_FUNCS_ONCE([nl_langinfo])
67 AC_CHECK_FUNCS_ONCE([setrlimit])
70 AC_CHECK_FUNCS([inotify_init],
71 [AC_DEFINE([HAVE_INOTIFY], [1],
72 [Define to 1 if you have usable inotify support.])])
92 # These checks are for Interix, to avoid its getgr* functions, in favor
93 # of these replacements. The replacement functions are much more efficient
94 # because they do not query the domain controller for user information
95 # when it is not needed.
102 dnl This can't use AC_REQUIRE; I'm not quite sure why.
105 # for dd.c and shred.c
107 # Use fdatasync only if declared. On MacOS X 10.7, fdatasync exists but
108 # is not declared, and is ineffective.
110 AC_SUBST([LIB_FDATASYNC])
111 AC_CHECK_DECLS_ONCE([fdatasync])
112 if test $ac_cv_have_decl_fdatasync = yes; then
113 coreutils_saved_libs=$LIBS
114 AC_SEARCH_LIBS([fdatasync], [rt posix4],
115 [test "$ac_cv_search_fdatasync" = "none required" ||
116 LIB_FDATASYNC=$ac_cv_search_fdatasync])
117 AC_CHECK_FUNCS([fdatasync])
118 LIBS=$coreutils_saved_libs
121 # Check whether libcap is usable -- for ls --color support
123 AC_ARG_ENABLE([libcap],
124 AC_HELP_STRING([--disable-libcap], [disable libcap support]))
125 if test "X$enable_libcap" != "Xno"; then
126 AC_CHECK_LIB([cap], [cap_get_file],
127 [AC_CHECK_HEADER([sys/capability.h],
129 AC_DEFINE([HAVE_CAP], [1], [libcap usability])]
131 if test "X$LIB_CAP" = "X"; then
132 if test "X$enable_libcap" = "Xyes"; then
133 AC_MSG_ERROR([libcap library was not found or not usable])
135 AC_MSG_WARN([libcap library was not found or not usable.])
136 AC_MSG_WARN([AC_PACKAGE_NAME will be built without capability support.])
140 AC_MSG_WARN([libcap support disabled by user])
144 # See if linking 'seq' requires -lm.
145 # It does on nearly every system. The single exception (so far) is
146 # BeOS which has all the math functions in the normal runtime library
147 # and doesn't have a separate math library.
155 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
156 [ac_seq_save_LIBS="$LIBS"
158 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
159 LIBS="$ac_seq_save_LIBS"
162 AC_REQUIRE([AM_LANGINFO_CODESET])
164 # Accept configure options: --with-tty-group[=GROUP], --without-tty-group
165 # You can determine the group of a TTY via 'stat --format %G /dev/tty'
166 # Omitting this option is equivalent to using --without-tty-group.
167 AC_ARG_WITH([tty-group],
168 AS_HELP_STRING([--with-tty-group[[[=NAME]]]],
169 [group used by system for TTYs, "tty" when not specified]
170 [ (default: do not rely on any group used for TTYs)]),
171 [tty_group_name=$withval],
174 if test "x$tty_group_name" != xno; then
175 if test "x$tty_group_name" = xyes; then
178 AC_MSG_NOTICE([TTY group used by system set to "$tty_group_name"])
179 AC_DEFINE_UNQUOTED([TTY_GROUP_NAME], ["$tty_group_name"],
180 [group used by system for TTYs])
184 AC_DEFUN([gl_CHECK_ALL_HEADERS],
186 AC_CHECK_HEADERS_ONCE([
195 AC_CHECK_HEADERS([sys/sysctl.h], [], [],
197 [#if HAVE_SYS_PARAM_H
198 #include <sys/param.h>
202 # This macro must be invoked before any tests that run the compiler.
203 AC_DEFUN([gl_CHECK_ALL_TYPES],
205 dnl Checks for typedefs, structures, and compiler characteristics.
206 AC_REQUIRE([gl_BIGENDIAN])
207 AC_REQUIRE([AC_C_VOLATILE])
208 AC_REQUIRE([AC_C_INLINE])
209 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
211 AC_REQUIRE([gl_CHECK_ALL_HEADERS])
213 [struct stat.st_author],,,
214 [$ac_includes_default
215 #include <sys/stat.h>
217 AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
219 AC_REQUIRE([AC_TYPE_GETGROUPS])
220 AC_REQUIRE([AC_TYPE_MBSTATE_T])
221 AC_REQUIRE([AC_TYPE_MODE_T])
222 AC_REQUIRE([AC_TYPE_OFF_T])
223 AC_REQUIRE([AC_TYPE_PID_T])
224 AC_REQUIRE([AC_TYPE_SIZE_T])
225 AC_REQUIRE([AC_TYPE_UID_T])
226 AC_CHECK_TYPE([ino_t], [unsigned long int])
228 dnl This relies on the fact that Autoconf's implementation of
229 dnl AC_CHECK_TYPE checks includes unistd.h.
230 AC_CHECK_TYPE([major_t], [unsigned int])
231 AC_CHECK_TYPE([minor_t], [unsigned int])
233 AC_REQUIRE([AC_HEADER_MAJOR])