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( \
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$enable_libcap" = "Xyes"; then
117 AC_MSG_ERROR([libcap library was not found or not usable])
119 AC_MSG_WARN([libcap library was not found or not usable, support for libcap will not be built])
123 AC_MSG_WARN([libcap support disabled by user])
127 # See if linking `seq' requires -lm.
128 # It does on nearly every system. The single exception (so far) is
129 # BeOS which has all the math functions in the normal runtime library
130 # and doesn't have a separate math library.
138 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
139 [ac_seq_save_LIBS="$LIBS"
141 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
142 LIBS="$ac_seq_save_LIBS"
145 AC_REQUIRE([AM_LANGINFO_CODESET])
148 AC_DEFUN([gl_CHECK_ALL_HEADERS],
150 AC_CHECK_HEADERS_ONCE( \
164 AC_CHECK_HEADERS([sys/sysctl.h], [], [],
166 [#if HAVE_SYS_PARAM_H
167 #include <sys/param.h>
171 # This macro must be invoked before any tests that run the compiler.
172 AC_DEFUN([gl_CHECK_ALL_TYPES],
174 dnl This test must come as early as possible after the compiler configuration
175 dnl tests, because the choice of the file model can (in principle) affect
176 dnl whether functions and headers are available, whether they work, etc.
177 AC_REQUIRE([AC_SYS_LARGEFILE])
179 dnl This test must precede tests of compiler characteristics like
180 dnl that for the inline keyword, since it may change the degree to
181 dnl which the compiler supports such features.
182 AC_REQUIRE([AM_C_PROTOTYPES])
184 dnl Checks for typedefs, structures, and compiler characteristics.
185 AC_REQUIRE([gl_BIGENDIAN])
186 AC_REQUIRE([AC_C_VOLATILE])
187 AC_REQUIRE([AC_C_INLINE])
188 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
190 AC_REQUIRE([gl_CHECK_ALL_HEADERS])
192 [struct stat.st_author],,,
193 [$ac_includes_default
194 #include <sys/stat.h>
196 AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
198 AC_REQUIRE([AC_TYPE_GETGROUPS])
199 AC_REQUIRE([AC_TYPE_MBSTATE_T])
200 AC_REQUIRE([AC_TYPE_MODE_T])
201 AC_REQUIRE([AC_TYPE_OFF_T])
202 AC_REQUIRE([AC_TYPE_PID_T])
203 AC_REQUIRE([AC_TYPE_SIZE_T])
204 AC_REQUIRE([AC_TYPE_UID_T])
205 AC_CHECK_TYPE([ino_t], [unsigned long int])
207 dnl This relies on the fact that Autoconf's implementation of
208 dnl AC_CHECK_TYPE checks includes unistd.h.
209 AC_CHECK_TYPE([major_t], [unsigned int])
210 AC_CHECK_TYPE([minor_t], [unsigned int])
212 AC_REQUIRE([AC_HEADER_MAJOR])