m4/prereq.m4

   1 #serial 30
   2
   3 dnl We use jm_ for non Autoconf macros.
   4 m4_pattern_forbid([^jm_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
   5
   6 # These are the prerequisite macros for files in the lib/
   7 # directory of the coreutils package.
   8
   9 AC_DEFUN([jm_PREREQ],
  10 [
  11   AC_REQUIRE([jm_PREREQ_ADDEXT])
  12   AC_REQUIRE([jm_PREREQ_C_STACK])
  13   AC_REQUIRE([jm_PREREQ_CANON_HOST])
  14   AC_REQUIRE([jm_PREREQ_DIRNAME])
  15   AC_REQUIRE([jm_PREREQ_ERROR])
  16   AC_REQUIRE([jm_PREREQ_EXCLUDE])
  17   AC_REQUIRE([jm_PREREQ_GETPAGESIZE])
  18   AC_REQUIRE([jm_PREREQ_HARD_LOCALE])
  19   AC_REQUIRE([jm_PREREQ_HASH])
  20   AC_REQUIRE([jm_PREREQ_HUMAN])
  21   AC_REQUIRE([jm_PREREQ_MBSWIDTH])
  22   AC_REQUIRE([jm_PREREQ_MEMCHR])
  23   AC_REQUIRE([jm_PREREQ_PHYSMEM])
  24   AC_REQUIRE([jm_PREREQ_POSIXVER])
  25   AC_REQUIRE([jm_PREREQ_QUOTEARG])
  26   AC_REQUIRE([jm_PREREQ_READUTMP])
  27   AC_REQUIRE([jm_PREREQ_STAT])
  28   AC_REQUIRE([jm_PREREQ_STRNLEN])
  29   AC_REQUIRE([jm_PREREQ_TEMPNAME]) # called by mkstemp
  30   AC_REQUIRE([jm_PREREQ_XGETCWD])
  31   AC_REQUIRE([jm_PREREQ_XREADLINK])
  32 ])
  33
  34 AC_DEFUN([jm_PREREQ_ADDEXT],
  35 [
  36   dnl For addext.c.
  37   AC_REQUIRE([AC_SYS_LONG_FILE_NAMES])
  38   AC_CHECK_FUNCS(pathconf)
  39   AC_CHECK_HEADERS(limits.h string.h unistd.h)
  40 ])
  41
  42 AC_DEFUN([jm_PREREQ_CANON_HOST],
  43 [
  44   dnl Add any libraries as early as possible.
  45   dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
  46   dnl so we have to add -lnsl to LIBS before checking for that function.
  47   AC_SEARCH_LIBS(gethostbyname, [inet nsl])
  48
  49   dnl These come from -lnsl on Solaris5.5.1.
  50   AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
  51
  52   AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \
  53                    netinet/in.h arpa/inet.h)
  54 ])
  55
  56 AC_DEFUN([jm_PREREQ_DIRNAME],
  57 [
  58   AC_REQUIRE([AC_HEADER_STDC])
  59   AC_CHECK_HEADERS(string.h)
  60 ])
  61
  62 AC_DEFUN([jm_PREREQ_EXCLUDE],
  63 [
  64   AC_REQUIRE([AC_FUNC_FNMATCH_GNU])
  65   AC_REQUIRE([AC_HEADER_STDBOOL])
  66 ])
  67
  68 AC_DEFUN([jm_PREREQ_GETPAGESIZE],
  69 [
  70   AC_CHECK_FUNCS(getpagesize)
  71   AC_CHECK_HEADERS(OS.h unistd.h)
  72 ])
  73
  74 AC_DEFUN([jm_PREREQ_HARD_LOCALE],
  75 [
  76   AC_CHECK_HEADERS(locale.h stdlib.h string.h)
  77   AC_CHECK_FUNCS(setlocale)
  78   AC_REQUIRE([AM_C_PROTOTYPES])
  79 ])
  80
  81 AC_DEFUN([jm_PREREQ_HASH],
  82 [
  83   AC_CHECK_HEADERS(stdlib.h)
  84   AC_REQUIRE([AC_HEADER_STDBOOL])
  85   AC_REQUIRE([jm_CHECK_DECLS])
  86 ])
  87
  88 # If you use human.c, you need the following files:
  89 # inttypes.m4 longlong.m4
  90 AC_DEFUN([jm_PREREQ_HUMAN],
  91 [
  92   AC_CHECK_HEADERS(locale.h)
  93   AC_CHECK_DECLS([getenv])
  94   AC_CHECK_FUNCS(localeconv)
  95   AC_REQUIRE([AC_HEADER_STDBOOL])
  96   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
  97 ])
  98
  99 AC_DEFUN([jm_PREREQ_MEMCHR],
 100 [
 101   AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
 102 ])
 103
 104 AC_DEFUN([jm_PREREQ_PHYSMEM],
 105 [
 106   AC_CHECK_HEADERS(sys/pstat.h unistd.h sys/sysget.h sys/sysinfo.h)
 107   AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysget)
 108 ])
 109
 110 AC_DEFUN([jm_PREREQ_POSIXVER],
 111 [
 112   AC_CHECK_HEADERS(unistd.h)
 113   AC_CHECK_DECLS([getenv])
 114 ])
 115
 116 AC_DEFUN([jm_PREREQ_QUOTEARG],
 117 [
 118   AC_CHECK_FUNCS(isascii iswprint)
 119   AC_REQUIRE([jm_FUNC_MBRTOWC])
 120   AC_REQUIRE([jm_FUNC_MEMCMP])
 121   AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
 122   AC_REQUIRE([AC_HEADER_STDC])
 123   AC_REQUIRE([AC_C_BACKSLASH_A])
 124   AC_REQUIRE([AC_TYPE_MBSTATE_T])
 125   AC_REQUIRE([AM_C_PROTOTYPES])
 126 ])
 127
 128 AC_DEFUN([jm_PREREQ_READUTMP],
 129 [
 130   AC_REQUIRE([AC_HEADER_STDC])
 131   AC_CHECK_HEADERS(string.h utmp.h utmpx.h sys/param.h)
 132   AC_CHECK_FUNCS(utmpname)
 133   AC_CHECK_FUNCS(utmpxname)
 134   AC_REQUIRE([AM_C_PROTOTYPES])
 135
 136   if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
 137     utmp_includes="\
 138 $ac_includes_default
 139 #ifdef HAVE_UTMPX_H
 140 # include <utmpx.h>
 141 #endif
 142 #ifdef HAVE_UTMP_H
 143 # include <utmp.h>
 144 #endif
 145 "
 146     AC_CHECK_MEMBERS([struct utmpx.ut_user],,,[$utmp_includes])
 147     AC_CHECK_MEMBERS([struct utmp.ut_user],,,[$utmp_includes])
 148     AC_CHECK_MEMBERS([struct utmpx.ut_name],,,[$utmp_includes])
 149     AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes])
 150     AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes])
 151     AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes])
 152     AC_CHECK_MEMBERS([struct utmpx.ut_pid],,,[$utmp_includes])
 153     AC_CHECK_MEMBERS([struct utmp.ut_pid],,,[$utmp_includes])
 154     AC_CHECK_MEMBERS([struct utmpx.ut_id],,,[$utmp_includes])
 155     AC_CHECK_MEMBERS([struct utmp.ut_id],,,[$utmp_includes])
 156
 157     AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_exit],,,[$utmp_includes])
 158     AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_exit],,,[$utmp_includes])
 159     AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_exit],,,[$utmp_includes])
 160     AC_CHECK_MEMBERS([struct utmp.ut_exit.e_exit],,,[$utmp_includes])
 161
 162     AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_termination],,,[$utmp_includes])
 163     AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_termination],,,[$utmp_includes])
 164     AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_termination],,,[$utmp_includes])
 165     AC_CHECK_MEMBERS([struct utmp.ut_exit.e_termination],,,[$utmp_includes])
 166     AC_LIBOBJ(readutmp)
 167   fi
 168 ])
 169
 170 AC_DEFUN([jm_PREREQ_STAT],
 171 [
 172   AC_CHECK_HEADERS(sys/sysmacros.h sys/statvfs.h sys/vfs.h inttypes.h)
 173   AC_CHECK_HEADERS(sys/param.h sys/mount.h)
 174   AC_CHECK_FUNCS(statvfs)
 175   AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
 176
 177   statxfs_includes="\
 178 $ac_includes_default
 179 #if HAVE_SYS_STATVFS_H
 180 # include <sys/statvfs.h>
 181 #endif
 182 #if HAVE_SYS_VFS_H
 183 # include <sys/vfs.h>
 184 #endif
 185 #if ( ! HAVE_SYS_STATVFS_H && ! HAVE_SYS_VFS_H && HAVE_SYS_MOUNT_H && HAVE_SYS_PARAM_H )
 186 /* NetBSD 1.5.2 needs these, for the declaration of struct statfs. */
 187 # include <sys/param.h>
 188 # include <sys/mount.h>
 189 #endif
 190 "
 191   AC_CHECK_MEMBERS([struct statfs.f_basetype],,,[$statxfs_includes])
 192   AC_CHECK_MEMBERS([struct statvfs.f_basetype],,,[$statxfs_includes])
 193   AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$statxfs_includes])
 194   AC_CHECK_MEMBERS([struct statfs.f_type],,,[$statxfs_includes])
 195   AC_CHECK_MEMBERS([struct statvfs.f_type],,,[$statxfs_includes])
 196   AC_CHECK_MEMBERS([struct statfs.f_fsid.__val],,,[$statxfs_includes])
 197   AC_CHECK_MEMBERS([struct statvfs.f_fsid.__val],,,[$statxfs_includes])
 198   AC_CHECK_MEMBERS([struct statfs.f_namemax],,,[$statxfs_includes])
 199   AC_CHECK_MEMBERS([struct statvfs.f_namemax],,,[$statxfs_includes])
 200   AC_CHECK_MEMBERS([struct statfs.f_namelen],,,[$statxfs_includes])
 201   AC_CHECK_MEMBERS([struct statvfs.f_namelen],,,[$statxfs_includes])
 202 ])
 203
 204 AC_DEFUN([jm_PREREQ_STRNLEN],
 205 [
 206   AC_REQUIRE([AC_FUNC_STRNLEN])
 207   AC_REQUIRE([AC_HEADER_STDC])
 208   AC_CHECK_HEADERS(memory.h)
 209   AC_CHECK_DECLS([memchr])
 210
 211   # This is necessary because automake-1.6.1 doesn't understand
 212   # that the above use of AC_FUNC_STRNLEN means we may have to use
 213   # lib/strnlen.c.
 214   test $ac_cv_func_strnlen_working = yes \
 215     && AC_LIBOBJ(strnlen)
 216 ])
 217
 218 AC_DEFUN([jm_PREREQ_TEMPNAME],
 219 [
 220   AC_REQUIRE([AC_HEADER_STDC])
 221   AC_REQUIRE([AC_HEADER_STAT])
 222   AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
 223   AC_CHECK_FUNCS(__secure_getenv gettimeofday)
 224   AC_CHECK_DECLS([getenv])
 225   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
 226 ])
 227
 228 AC_DEFUN([jm_PREREQ_XGETCWD],
 229 [
 230   AC_REQUIRE([AC_C_PROTOTYPES])
 231   AC_CHECK_HEADERS(limits.h stdlib.h sys/param.h unistd.h)
 232   AC_CHECK_FUNCS(getcwd)
 233   AC_REQUIRE([AC_FUNC_GETCWD_NULL])
 234 ])
 235
 236 AC_DEFUN([jm_PREREQ_XREADLINK],
 237 [
 238   AC_REQUIRE([AC_C_PROTOTYPES])
 239   AC_CHECK_HEADERS(limits.h stdlib.h sys/types.h unistd.h)
 240 ])