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 AC_CHECK_FUNCS_ONCE([matchpathcon_init_prefix])
53 AC_CHECK_FUNCS_ONCE([nl_langinfo])
55 AC_CHECK_FUNCS_ONCE( \
73 dnl This can't use AC_REQUIRE; I'm not quite sure why.
76 # for dd.c and shred.c
77 coreutils_saved_libs=$LIBS
78 AC_SEARCH_LIBS([fdatasync], [rt posix4],
79 [test "$ac_cv_search_fdatasync" = "none required" ||
80 LIB_FDATASYNC=$ac_cv_search_fdatasync])
81 AC_SUBST([LIB_FDATASYNC])
82 AC_CHECK_FUNCS([fdatasync])
83 LIBS=$coreutils_saved_libs
85 # Check whether libcap is usable -- for ls --color support
86 AC_ARG_ENABLE([libcap],
87 AC_HELP_STRING([--disable-libcap], [disable libcap support]),
88 AC_MSG_WARN([libcap support disabled by user]),
89 [AC_CHECK_LIB([cap], [cap_get_file],
90 [AC_CHECK_HEADER([sys/capability.h],
92 AC_DEFINE([HAVE_CAP], [1], [libcap usability])],
93 [AC_MSG_WARN([header sys/capability.h was not found, support for libcap will not be built])]
95 [AC_MSG_WARN([libcap library was not found or not usable, support for libcap will not be built])])
99 # See if linking `seq' requires -lm.
100 # It does on nearly every system. The single exception (so far) is
101 # BeOS which has all the math functions in the normal runtime library
102 # and doesn't have a separate math library.
110 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], ,
111 [ac_seq_save_LIBS="$LIBS"
113 AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm])
114 LIBS="$ac_seq_save_LIBS"
117 AC_REQUIRE([AM_LANGINFO_CODESET])
120 AC_DEFUN([gl_CHECK_ALL_HEADERS],
122 AC_CHECK_HEADERS_ONCE( \
136 AC_CHECK_HEADERS([sys/sysctl.h], [], [],
138 [#if HAVE_SYS_PARAM_H
139 #include <sys/param.h>
143 # This macro must be invoked before any tests that run the compiler.
144 AC_DEFUN([gl_CHECK_ALL_TYPES],
146 dnl This test must come as early as possible after the compiler configuration
147 dnl tests, because the choice of the file model can (in principle) affect
148 dnl whether functions and headers are available, whether they work, etc.
149 AC_REQUIRE([AC_SYS_LARGEFILE])
151 dnl This test must precede tests of compiler characteristics like
152 dnl that for the inline keyword, since it may change the degree to
153 dnl which the compiler supports such features.
154 AC_REQUIRE([AM_C_PROTOTYPES])
156 dnl Checks for typedefs, structures, and compiler characteristics.
157 AC_REQUIRE([gl_BIGENDIAN])
158 AC_REQUIRE([AC_C_VOLATILE])
159 AC_REQUIRE([AC_C_INLINE])
160 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
162 AC_REQUIRE([gl_CHECK_ALL_HEADERS])
164 [struct stat.st_author],,,
165 [$ac_includes_default
166 #include <sys/stat.h>
168 AC_REQUIRE([AC_STRUCT_ST_BLOCKS])
170 AC_REQUIRE([AC_TYPE_GETGROUPS])
171 AC_REQUIRE([AC_TYPE_MBSTATE_T])
172 AC_REQUIRE([AC_TYPE_MODE_T])
173 AC_REQUIRE([AC_TYPE_OFF_T])
174 AC_REQUIRE([AC_TYPE_PID_T])
175 AC_REQUIRE([AC_TYPE_SIZE_T])
176 AC_REQUIRE([AC_TYPE_UID_T])
177 AC_CHECK_TYPE([ino_t], [unsigned long int])
179 dnl This relies on the fact that Autoconf's implementation of
180 dnl AC_CHECK_TYPE checks includes unistd.h.
181 AC_CHECK_TYPE([major_t], [unsigned int])
182 AC_CHECK_TYPE([minor_t], [unsigned int])
184 AC_REQUIRE([AC_HEADER_MAJOR])