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=$LIBS
97 AC_SEARCH_LIBS([fdatasync], [rt posix4],
98 [test "$ac_cv_search_fdatasync" = "none required" ||
99 LIB_FDATASYNC=$ac_cv_search_fdatasync])
100 AC_SUBST([LIB_FDATASYNC])
101 AC_CHECK_FUNCS([fdatasync])
102 LIBS=$coreutils_saved_libs
104 # Check whether libcap is usable -- for ls --color support
105 AC_ARG_ENABLE([libcap],
106 AC_HELP_STRING([--disable-libcap], [disable libcap support]),
107 AC_MSG_WARN([libcap support disabled by user]),
108 [AC_CHECK_LIB([cap], [cap_get_file],
109 [AC_CHECK_HEADER([sys/capability.h],
111 AC_DEFINE([HAVE_CAP], [1], [libcap usability])],
112 [AC_MSG_WARN([header sys/capability.h was not found, support for libcap will not be built])]
114 [AC_MSG_WARN([libcap library was not found or not usable, support for libcap will not be built])])
118 # See if linking `seq' requires -lm.
119 # It does on nearly every system. The single exception (so far) is
120 # BeOS which has all the math functions in the normal runtime library
121 # and doesn't have a separate math library.
129 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
130 [ac_seq_save_LIBS="$LIBS"
132 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
133 LIBS="$ac_seq_save_LIBS"
136 AC_REQUIRE([AM_LANGINFO_CODESET])
139 AC_DEFUN([gl_CHECK_ALL_HEADERS],
141 AC_CHECK_HEADERS_ONCE( \
155 AC_CHECK_HEADERS([sys/sysctl.h], [], [],
157 [#if HAVE_SYS_PARAM_H
158 #include <sys/param.h>
162 # This macro must be invoked before any tests that run the compiler.
163 AC_DEFUN([gl_CHECK_ALL_TYPES],
165 dnl This test must come as early as possible after the compiler configuration
166 dnl tests, because the choice of the file model can (in principle) affect
167 dnl whether functions and headers are available, whether they work, etc.
168 AC_REQUIRE([AC_SYS_LARGEFILE])
170 dnl This test must precede tests of compiler characteristics like
171 dnl that for the inline keyword, since it may change the degree to
172 dnl which the compiler supports such features.
173 AC_REQUIRE([AM_C_PROTOTYPES])
175 dnl Checks for typedefs, structures, and compiler characteristics.
176 AC_REQUIRE([gl_BIGENDIAN])
177 AC_REQUIRE([AC_C_VOLATILE])
178 AC_REQUIRE([AC_C_INLINE])
179 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
181 AC_REQUIRE([gl_CHECK_ALL_HEADERS])
183 [struct stat.st_author],,,
184 [$ac_includes_default
185 #include <sys/stat.h>
187 AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
189 AC_REQUIRE([AC_TYPE_GETGROUPS])
190 AC_REQUIRE([AC_TYPE_MBSTATE_T])
191 AC_REQUIRE([AC_TYPE_MODE_T])
192 AC_REQUIRE([AC_TYPE_OFF_T])
193 AC_REQUIRE([AC_TYPE_PID_T])
194 AC_REQUIRE([AC_TYPE_SIZE_T])
195 AC_REQUIRE([AC_TYPE_UID_T])
196 AC_CHECK_TYPE([ino_t], [unsigned long int])
198 dnl This relies on the fact that Autoconf's implementation of
199 dnl AC_CHECK_TYPE checks includes unistd.h.
200 AC_CHECK_TYPE([major_t], [unsigned int])
201 AC_CHECK_TYPE([minor_t], [unsigned int])
203 AC_REQUIRE([AC_HEADER_MAJOR])