summaryrefslogtreecommitdiff
path: root/m4/jm-macros.m4
blob: cbe58ef1afd3995b86057dfda56481742dbdaae8 (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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
#serial 22

dnl Misc type-related macros for fileutils, sh-utils, textutils.

AC_DEFUN(jm_MACROS,
[
  AC_PREREQ(2.14a)

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

  AC_SUBST(OPTIONAL_BIN_PROGS)
  AC_SUBST(OPTIONAL_BIN_ZCRIPTS)
  AC_SUBST(MAN)
  AC_SUBST(DF_PROG)

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

  AC_CHECK_HEADERS( \
    errno.h  \
    fcntl.h \
    fenv.h \
    float.h \
    limits.h \
    memory.h \
    mntent.h \
    mnttab.h \
    netdb.h \
    paths.h \
    stdlib.h \
    stddef.h \
    string.h \
    sys/acl.h \
    sys/filsys.h \
    sys/fs/s5param.h \
    sys/fs_types.h \
    sys/fstyp.h \
    sys/ioctl.h \
    sys/mntent.h \
    sys/mount.h \
    sys/param.h \
    sys/socket.h \
    sys/statfs.h \
    sys/statvfs.h \
    sys/systeminfo.h \
    sys/time.h \
    sys/timeb.h \
    sys/vfs.h \
    sys/wait.h \
    syslog.h \
    termios.h \
    unistd.h \
    utime.h \
    values.h \
  )

  jm_INCLUDED_REGEX([lib/regex.c])

  AC_REQUIRE([jm_BISON])
  AC_REQUIRE([jm_ASSERT])
  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_UTIMBUF])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO])
  AC_REQUIRE([jm_CHECK_DECLS])

  AC_REQUIRE([jm_PREREQ])

  AC_REQUIRE([jm_FUNC_LCHOWN])
  AC_REQUIRE([fetish_FUNC_RMDIR_NOTEMPTY])
  AC_REQUIRE([jm_FUNC_CHOWN])
  AC_REQUIRE([jm_FUNC_MKTIME])
  AC_REQUIRE([jm_FUNC_LSTAT])
  AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
  AC_REQUIRE([jm_FUNC_STAT])
  AC_REQUIRE([jm_FUNC_REALLOC])
  AC_REQUIRE([jm_FUNC_MALLOC])
  AC_REQUIRE([AC_FUNC_STRERROR_R])
  AC_REQUIRE([jm_FUNC_NANOSLEEP])
  AC_REQUIRE([jm_FUNC_READDIR])
  AC_REQUIRE([jm_FUNC_MEMCMP])
  AC_REQUIRE([jm_FUNC_GLIBC_UNLOCKED_IO])
  AC_REQUIRE([jm_FUNC_FNMATCH])
  AC_REQUIRE([jm_FUNC_GROUP_MEMBER])
  AC_REQUIRE([jm_FUNC_PUTENV])
  AC_REQUIRE([jm_AFS])
  AC_REQUIRE([jm_AC_PREREQ_XSTRTOUMAX])
  AC_REQUIRE([jm_AC_FUNC_LINK_FOLLOWS_SYMLINK])
  AC_REQUIRE([AM_FUNC_ERROR_AT_LINE])
  AC_REQUIRE([jm_FUNC_GNU_STRFTIME])
  AC_REQUIRE([jm_FUNC_MKTIME])

  AC_REQUIRE([jm_FUNC_GETGROUPS])
  test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"

  AC_REQUIRE([AC_FUNC_VPRINTF])
  AC_REQUIRE([AC_FUNC_ALLOCA])
  AC_FUNC_GETLOADAVG([lib])
  AC_REQUIRE([jm_SYS_PROC_UPTIME])
  AC_REQUIRE([jm_FUNC_FTRUNCATE])

  AC_REPLACE_FUNCS(strcasecmp strncasecmp)
  AC_REPLACE_FUNCS(dup2)
  AC_REPLACE_FUNCS(gethostname getusershell)
  AC_REPLACE_FUNCS(stime strcspn stpcpy strstr strtol strtoul)
  AC_REPLACE_FUNCS(strpbrk)
  AC_REPLACE_FUNCS(euidaccess memcmp rmdir rpmatch strndup strverscmp)
  AC_REPLACE_FUNCS(atexit)
  AC_REPLACE_FUNCS(strnlen)
  AC_REPLACE_FUNCS(getpass)

  dnl used by e.g. intl/*domain.c and lib/canon-host.c
  AC_REPLACE_FUNCS(strdup)

  AC_REPLACE_FUNCS(memchr memmove memcpy memset)
  AC_CHECK_FUNCS(getpagesize)

  # 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.])

  dnl Used to define SETVBUF in sys2.h.
  dnl This evokes the following warning from autoconf:
  dnl ...: warning: AC_TRY_RUN called without default to allow cross compiling
  AC_FUNC_SETVBUF_REVERSED

  # used by sleep and shred
  # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
  # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.

  # Save and restore LIBS so e.g., -lrt, isn't added to it.  Otherwise, *all*
  # programs in the package would end up linked with that potentially-shared
  # library, inducing unnecessary run-time overhead.
  fetish_saved_libs=$LIBS
    AC_SEARCH_LIBS(clock_gettime, [rt posix4],
		   [LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
    AC_SUBST(LIB_CLOCK_GETTIME)
    AC_CHECK_FUNCS(clock_gettime)
  LIBS=$fetish_saved_libs
  AC_CHECK_FUNCS(gettimeofday)

  AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
  AC_REQUIRE([jm_FUNC_UTIME])

  AC_CHECK_FUNCS( \
    acl \
    bcopy \
    endgrent \
    endpwent \
    fchdir \
    fdatasync \
    fseeko \
    ftime \
    ftruncate \
    getcwd \
    gethrtime \
    getmntinfo \
    hasmntopt \
    isascii \
    lchown \
    listmntent \
    localeconv \
    memcpy \
    mempcpy \
    mkfifo \
    realpath \
    resolvepath \
    sethostname \
    strchr \
    strerror \
    strrchr \
    sysinfo \
    tzset \
  )

  AM_FUNC_GETLINE
  if test $am_cv_func_working_getline != yes; then
    AC_CHECK_FUNCS(getdelim)
  fi
  AM_FUNC_OBSTACK

  AM_FUNC_STRTOD
  AC_SUBST(POW_LIBM)
  test $am_cv_func_strtod_needs_libm = yes && POW_LIBM=-lm

  jm_LANGINFO_CODESET
  jm_GLIBC21
  jm_ICONV

  # These tests are for df.
  jm_LIST_MOUNTED_FILESYSTEMS([list_mounted_fs=yes], [list_mounted_fs=no])
  jm_FSTYPENAME
  jm_FILE_SYSTEM_USAGE([space=yes], [space=no])
  if test $list_mounted_fs = yes && test $space = yes; then
    DF_PROG="df"
    LIBOBJS="$LIBOBJS fsusage.$ac_objext"
    LIBOBJS="$LIBOBJS mountlist.$ac_objext"
  fi

])

# This macro must be invoked before any tests that run the compiler.
AC_DEFUN(jm_CHECK_ALL_TYPES,
[
  # Emit this code into config.h.in.
  # The ifndef is to avoid redefinition warnings.
  AH_VERBATIM([_GNU_SOURCE], [#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif])

  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_PROG_CC_STDC])
  AC_REQUIRE([AC_C_CONST])
  AC_REQUIRE([AC_C_VOLATILE])
  AC_REQUIRE([AC_C_INLINE])
  AC_REQUIRE([AC_C_LONG_DOUBLE])

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

  AC_REQUIRE([AC_STRUCT_TM])
  AC_REQUIRE([AC_STRUCT_TIMEZONE])
  AC_REQUIRE([AC_HEADER_STAT])
  AC_REQUIRE([AC_STRUCT_ST_MTIM_NSEC])
  AC_REQUIRE([AC_STRUCT_ST_DM_MODE])
  AC_REQUIRE([jm_CHECK_TYPE_STRUCT_TIMESPEC])

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

  dnl This relies on the fact that autoconf 2.14a's implementation of
  dnl AC_CHECK_TYPE checks includes unistd.h.
  AC_CHECK_TYPE(ssize_t, int)

  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
  AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])

  AC_REQUIRE([AC_HEADER_MAJOR])
  AC_REQUIRE([AC_HEADER_DIRENT])

])