1 #serial 109 -*- autoconf -*-
3 dnl Misc type-related macros for coreutils.
5 # Copyright (C) 1998, 2000-2009 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 (1).
39 AC_DEFINE([ARGMATCH_DIE], [usage (1)],
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( \
93 AC_CHECK_FUNCS_ONCE([utimensat])
96 AC_CHECK_FUNCS_ONCE([faccessat])
98 dnl This can't use AC_REQUIRE; I'm not quite sure why.
101 # for dd.c and shred.c
102 coreutils_saved_libs=$LIBS
103 AC_SEARCH_LIBS([fdatasync], [rt posix4],
104 [test "$ac_cv_search_fdatasync" = "none required" ||
105 LIB_FDATASYNC=$ac_cv_search_fdatasync])
106 AC_SUBST([LIB_FDATASYNC])
107 AC_CHECK_FUNCS([fdatasync])
108 LIBS=$coreutils_saved_libs
110 # Check whether libcap is usable -- for ls --color support
112 AC_ARG_ENABLE([libcap],
113 AC_HELP_STRING([--disable-libcap], [disable libcap support]))
114 if test "X$enable_libcap" != "Xno"; then
115 AC_CHECK_LIB([cap], [cap_get_file],
116 [AC_CHECK_HEADER([sys/capability.h],
118 AC_DEFINE([HAVE_CAP], [1], [libcap usability])]
120 if test "X$LIB_CAP" = "X"; then
121 if test "X$enable_libcap" = "Xyes"; then
122 AC_MSG_ERROR([libcap library was not found or not usable])
124 AC_MSG_WARN([libcap library was not found or not usable, support for libcap will not be built])
128 AC_MSG_WARN([libcap support disabled by user])
132 # See if linking `seq' requires -lm.
133 # It does on nearly every system. The single exception (so far) is
134 # BeOS which has all the math functions in the normal runtime library
135 # and doesn't have a separate math library.
143 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
144 [ac_seq_save_LIBS="$LIBS"
146 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
147 LIBS="$ac_seq_save_LIBS"
150 AC_REQUIRE([AM_LANGINFO_CODESET])
153 AC_DEFUN([gl_CHECK_ALL_HEADERS],
155 AC_CHECK_HEADERS_ONCE( \
169 AC_CHECK_HEADERS([sys/sysctl.h], [], [],
171 [#if HAVE_SYS_PARAM_H
172 #include <sys/param.h>
176 # This macro must be invoked before any tests that run the compiler.
177 AC_DEFUN([gl_CHECK_ALL_TYPES],
179 dnl This test must come as early as possible after the compiler configuration
180 dnl tests, because the choice of the file model can (in principle) affect
181 dnl whether functions and headers are available, whether they work, etc.
182 AC_REQUIRE([AC_SYS_LARGEFILE])
184 dnl This test must precede tests of compiler characteristics like
185 dnl that for the inline keyword, since it may change the degree to
186 dnl which the compiler supports such features.
187 AC_REQUIRE([AM_C_PROTOTYPES])
189 dnl Checks for typedefs, structures, and compiler characteristics.
190 AC_REQUIRE([gl_BIGENDIAN])
191 AC_REQUIRE([AC_C_VOLATILE])
192 AC_REQUIRE([AC_C_INLINE])
193 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
195 AC_REQUIRE([gl_CHECK_ALL_HEADERS])
197 [struct stat.st_author],,,
198 [$ac_includes_default
199 #include <sys/stat.h>
201 AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
203 AC_REQUIRE([AC_TYPE_GETGROUPS])
204 AC_REQUIRE([AC_TYPE_MBSTATE_T])
205 AC_REQUIRE([AC_TYPE_MODE_T])
206 AC_REQUIRE([AC_TYPE_OFF_T])
207 AC_REQUIRE([AC_TYPE_PID_T])
208 AC_REQUIRE([AC_TYPE_SIZE_T])
209 AC_REQUIRE([AC_TYPE_UID_T])
210 AC_CHECK_TYPE([ino_t], [unsigned long int])
212 dnl This relies on the fact that Autoconf's implementation of
213 dnl AC_CHECK_TYPE checks includes unistd.h.
214 AC_CHECK_TYPE([major_t], [unsigned int])
215 AC_CHECK_TYPE([minor_t], [unsigned int])
217 AC_REQUIRE([AC_HEADER_MAJOR])