summaryrefslogtreecommitdiff
path: root/m4/jm-macros.m4
blob: 2595542f9b3dc0344017176b0a6b2ddd00bdb97d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
#serial 105   -*- autoconf -*-

dnl Misc type-related macros for coreutils.

# Copyright (C) 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
# Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# Written by Jim Meyering.

AC_DEFUN([coreutils_MACROS],
[
  GNU_PACKAGE="GNU $PACKAGE"
  AC_DEFINE_UNQUOTED(GNU_PACKAGE, "$GNU_PACKAGE",
    [The concatenation of the strings `GNU ', and PACKAGE.])
  AC_SUBST(GNU_PACKAGE)

  AM_MISSING_PROG(HELP2MAN, help2man)
  AC_SUBST(OPTIONAL_BIN_PROGS)
  AC_SUBST(MAN)
  AC_SUBST(DF_PROG)

  dnl This macro actually runs replacement code.  See isc-posix.m4.
  AC_REQUIRE([AC_ISC_POSIX])dnl

  gl_CHECK_ALL_TYPES

  AC_REQUIRE([gl_CHECK_DECLS])

  AC_REQUIRE([gl_PREREQ])

  AC_REQUIRE([AC_FUNC_FSEEKO])

  # By default, argmatch should fail calling usage (1).
  AC_DEFINE(ARGMATCH_DIE, [usage (1)],
	    [Define to the function xargmatch calls on failures.])
  AC_DEFINE(ARGMATCH_DIE_DECL, [extern void usage ()],
	    [Define to the declaration of the xargmatch failure function.])

  # used by ls
  AC_REQUIRE([gl_CLOCK_TIME])
  # used by shred
  AC_CHECK_FUNCS_ONCE(directio)

  AC_CHECK_FUNCS_ONCE( \
    endgrent \
    endpwent \
    fchown \
    fchmod \
    ftruncate \
    iswspace \
    mkfifo \
    mbrlen \
    setgroups \
    sethostname \
    siginterrupt \
    sync \
    sysctl \
    sysinfo \
    tcgetpgrp \
  )

  dnl This can't use AC_REQUIRE; I'm not quite sure why.
  cu_PREREQ_STAT_PROG

  # for dd.c and shred.c
  coreutils_saved_libs=$LIBS
    AC_SEARCH_LIBS([fdatasync], [rt posix4],
		   [test "$ac_cv_search_fdatasync" = "none required" ||
		    LIB_FDATASYNC=$ac_cv_search_fdatasync])
    AC_SUBST([LIB_FDATASYNC])
    AC_CHECK_FUNCS(fdatasync)
  LIBS=$coreutils_saved_libs

  # See if linking `seq' requires -lm.
  # It does on nearly every system.  The single exception (so far) is
  # BeOS which has all the math functions in the normal runtime library
  # and doesn't have a separate math library.

  AC_SUBST(SEQ_LIBM)
  ac_seq_body='
     static double x, y;
     x = floor (x);
     x = rint (x);
     x = modf (x, &y);'
  AC_TRY_LINK([#include <math.h>], $ac_seq_body, ,
    [ac_seq_save_LIBS="$LIBS"
     LIBS="$LIBS -lm"
     AC_TRY_LINK([#include <math.h>], $ac_seq_body, SEQ_LIBM=-lm)
     LIBS="$ac_seq_save_LIBS"
    ])

  AC_REQUIRE([AM_LANGINFO_CODESET])

  # Build df only if there's a point to it.
  if test $gl_cv_list_mounted_fs = yes && test $gl_cv_fs_space = yes; then
    DF_PROG='df$(EXEEXT)'
  fi
])

AC_DEFUN([gl_CHECK_ALL_HEADERS],
[
  AC_CHECK_HEADERS_ONCE( \
    hurd.h \
    paths.h \
    priv.h \
    stropts.h \
    sys/ioctl.h \
    sys/param.h \
    sys/resource.h \
    sys/systeminfo.h \
    sys/time.h \
    sys/wait.h \
    syslog.h \
    termios.h \
  )
  AC_CHECK_HEADERS(sys/sysctl.h, [], [],
    [AC_INCLUDES_DEFAULT
     [#if HAVE_SYS_PARAM_H
       #include <sys/param.h>
      #endif]])
])

# This macro must be invoked before any tests that run the compiler.
AC_DEFUN([gl_CHECK_ALL_TYPES],
[
  dnl This test must come as early as possible after the compiler configuration
  dnl tests, because the choice of the file model can (in principle) affect
  dnl whether functions and headers are available, whether they work, etc.
  AC_REQUIRE([AC_SYS_LARGEFILE])

  dnl This test must precede tests of compiler characteristics like
  dnl that for the inline keyword, since it may change the degree to
  dnl which the compiler supports such features.
  AC_REQUIRE([AM_C_PROTOTYPES])

  dnl Checks for typedefs, structures, and compiler characteristics.
  AC_REQUIRE([AC_C_BIGENDIAN])
  AC_REQUIRE([AC_C_VOLATILE])
  AC_REQUIRE([AC_C_INLINE])
  AC_REQUIRE([AC_C_LONG_DOUBLE])
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])

  AC_REQUIRE([gl_CHECK_ALL_HEADERS])
  AC_CHECK_MEMBERS(
    [struct stat.st_author],,,
    [$ac_includes_default
#include <sys/stat.h>
  ])
  AC_REQUIRE([AC_STRUCT_ST_BLOCKS])

  AC_REQUIRE([AC_TYPE_GETGROUPS])
  AC_REQUIRE([AC_TYPE_MBSTATE_T])
  AC_REQUIRE([AC_TYPE_MODE_T])
  AC_REQUIRE([AC_TYPE_OFF_T])
  AC_REQUIRE([AC_TYPE_PID_T])
  AC_REQUIRE([AC_TYPE_SIZE_T])
  AC_REQUIRE([AC_TYPE_UID_T])
  AC_CHECK_TYPE(ino_t, unsigned long int)

  dnl This relies on the fact that Autoconf's implementation of
  dnl AC_CHECK_TYPE checks includes unistd.h.
  AC_CHECK_TYPE(major_t, unsigned int)
  AC_CHECK_TYPE(minor_t, unsigned int)

  AC_REQUIRE([AC_HEADER_MAJOR])
])