m4/prereq.m4

   1 #serial 26
   2
   3 dnl These are the prerequisite macros for files in the lib/
   4 dnl directories of the fileutils, sh-utils, and textutils packages.
   5
   6 AC_DEFUN([jm_PREREQ],
   7 [
   8   jm_PREREQ_ADDEXT
   9   jm_PREREQ_C_STACK
  10   jm_PREREQ_CANON_HOST
  11   jm_PREREQ_DIRNAME
  12   jm_PREREQ_ERROR
  13   jm_PREREQ_EXCLUDE
  14   jm_PREREQ_GETPAGESIZE
  15   jm_PREREQ_HARD_LOCALE
  16   jm_PREREQ_HASH
  17   jm_PREREQ_HUMAN
  18   jm_PREREQ_MBSWIDTH
  19   jm_PREREQ_MEMCHR
  20   jm_PREREQ_PHYSMEM
  21   jm_PREREQ_POSIXVER
  22   jm_PREREQ_QUOTEARG
  23   jm_PREREQ_READUTMP
  24   jm_PREREQ_REGEX
  25   jm_PREREQ_STAT
  26   jm_PREREQ_STRNLEN
  27   jm_PREREQ_TEMPNAME # called by mkstemp
  28   jm_PREREQ_XGETCWD
  29   jm_PREREQ_XREADLINK
  30 ])
  31
  32 AC_DEFUN([jm_PREREQ_ADDEXT],
  33 [
  34   dnl For addext.c.
  35   AC_SYS_LONG_FILE_NAMES
  36   AC_CHECK_FUNCS(pathconf)
  37   AC_CHECK_HEADERS(limits.h string.h unistd.h)
  38 ])
  39
  40 AC_DEFUN([jm_PREREQ_CANON_HOST],
  41 [
  42   dnl Add any libraries as early as possible.
  43   dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
  44   dnl so we have to add -lnsl to LIBS before checking for that function.
  45   AC_SEARCH_LIBS(gethostbyname, [inet nsl])
  46
  47   dnl These come from -lnsl on Solaris5.5.1.
  48   AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
  49
  50   AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
  51   AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \
  52                    netinet/in.h arpa/inet.h)
  53 ])
  54
  55 AC_DEFUN([jm_PREREQ_DIRNAME],
  56 [
  57   AC_HEADER_STDC
  58   AC_CHECK_HEADERS(string.h)
  59 ])
  60
  61 AC_DEFUN([jm_PREREQ_EXCLUDE],
  62 [
  63   AC_FUNC_FNMATCH_GNU
  64   AC_HEADER_STDBOOL
  65 ])
  66
  67 AC_DEFUN([jm_PREREQ_GETPAGESIZE],
  68 [
  69   AC_CHECK_FUNCS(getpagesize)
  70   AC_CHECK_HEADERS(OS.h unistd.h)
  71 ])
  72
  73 AC_DEFUN([jm_PREREQ_HARD_LOCALE],
  74 [
  75   AC_CHECK_HEADERS(locale.h stdlib.h string.h)
  76   AC_CHECK_FUNCS(setlocale)
  77   AM_C_PROTOTYPES
  78 ])
  79
  80 # AC_DEFUN([jm_PREREQ_HASH],
  81 # [
  82 #   AC_CHECK_HEADERS(stdlib.h)
  83 #   AC_HEADER_STDBOOL
  84 #   AC_REQUIRE([jm_CHECK_DECLS])
  85 # ])
  86
  87 # If you use human.c, you need the following files:
  88 # inttypes.m4 ulonglong.m4
  89 AC_DEFUN([jm_PREREQ_HUMAN],
  90 [
  91   AC_CHECK_HEADERS(limits.h stdlib.h string.h)
  92   AC_CHECK_DECLS([getenv])
  93   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
  94 ])
  95
  96 AC_DEFUN([jm_PREREQ_MEMCHR],
  97 [
  98   AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
  99 ])
 100
 101 AC_DEFUN([jm_PREREQ_PHYSMEM],
 102 [
 103   AC_CHECK_HEADERS(sys/pstat.h unistd.h)
 104   AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic)
 105 ])
 106
 107 AC_DEFUN([jm_PREREQ_POSIXVER],
 108 [
 109   AC_CHECK_HEADERS(unistd.h)
 110   AC_CHECK_DECLS([getenv])
 111 ])
 112
 113 AC_DEFUN([jm_PREREQ_QUOTEARG],
 114 [
 115   AC_CHECK_FUNCS(isascii iswprint)
 116   jm_FUNC_MBRTOWC
 117   AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
 118   AC_HEADER_STDC
 119   AC_C_BACKSLASH_A
 120   AC_TYPE_MBSTATE_T
 121   AM_C_PROTOTYPES
 122 ])
 123
 124 AC_DEFUN([jm_PREREQ_READUTMP],
 125 [
 126   AC_HEADER_STDC
 127   AC_CHECK_HEADERS(string.h utmp.h utmpx.h sys/param.h)
 128   AC_CHECK_FUNCS(utmpname)
 129   AC_CHECK_FUNCS(utmpxname)
 130   AM_C_PROTOTYPES
 131
 132   if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
 133     utmp_includes="\
 134 $ac_includes_default
 135 #ifdef HAVE_UTMPX_H
 136 # include <utmpx.h>
 137 #endif
 138 #ifdef HAVE_UTMP_H
 139 # include <utmp.h>
 140 #endif
 141 "
 142     AC_CHECK_MEMBERS([struct utmpx.ut_user],,,[$utmp_includes])
 143     AC_CHECK_MEMBERS([struct utmp.ut_user],,,[$utmp_includes])
 144     AC_CHECK_MEMBERS([struct utmpx.ut_name],,,[$utmp_includes])
 145     AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes])
 146     AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes])
 147     AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes])
 148     AC_CHECK_MEMBERS([struct utmpx.ut_pid],,,[$utmp_includes])
 149     AC_CHECK_MEMBERS([struct utmp.ut_pid],,,[$utmp_includes])
 150     AC_CHECK_MEMBERS([struct utmpx.ut_id],,,[$utmp_includes])
 151     AC_CHECK_MEMBERS([struct utmp.ut_id],,,[$utmp_includes])
 152
 153     AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_exit],,,[$utmp_includes])
 154     AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_exit],,,[$utmp_includes])
 155     AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_exit],,,[$utmp_includes])
 156     AC_CHECK_MEMBERS([struct utmp.ut_exit.e_exit],,,[$utmp_includes])
 157
 158     AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_termination],,,[$utmp_includes])
 159     AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_termination],,,[$utmp_includes])
 160     AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_termination],,,[$utmp_includes])
 161     AC_CHECK_MEMBERS([struct utmp.ut_exit.e_termination],,,[$utmp_includes])
 162     AC_LIBOBJ(readutmp)
 163   fi
 164 ])
 165
 166 AC_DEFUN([jm_PREREQ_REGEX],
 167 [
 168   dnl FIXME: Maybe provide a btowc replacement someday: solaris-2.5.1 lacks it.
 169   dnl FIXME: Check for wctype and iswctype, and and add -lw if necessary
 170   dnl to get them.
 171   AC_CHECK_FUNCS(bzero bcopy isascii btowc)
 172   AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h)
 173   AC_HEADER_STDC
 174   AC_FUNC_ALLOCA
 175 ])
 176
 177 AC_DEFUN([jm_PREREQ_STAT],
 178 [
 179   AC_CHECK_HEADERS(sys/sysmacros.h sys/statvfs.h sys/vfs.h inttypes.h)
 180   AC_CHECK_HEADERS(sys/param.h sys/mount.h)
 181   AC_CHECK_FUNCS(statvfs)
 182   jm_AC_TYPE_LONG_LONG
 183
 184   statxfs_includes="\
 185 $ac_includes_default
 186 #if HAVE_SYS_STATVFS_H
 187 # include <sys/statvfs.h>
 188 #endif
 189 #if HAVE_SYS_VFS_H
 190 # include <sys/vfs.h>
 191 #endif
 192 #if ( ! HAVE_SYS_STATVFS_H && ! HAVE_SYS_VFS_H && HAVE_SYS_MOUNT_H && HAVE_SYS_PARAM_H )
 193 /* NetBSD 1.5.2 needs these, for the declaration of struct statfs. */
 194 # include <sys/param.h>
 195 # include <sys/mount.h>
 196 #endif
 197 "
 198   AC_CHECK_MEMBERS([struct statfs.f_basetype],,,[$statxfs_includes])
 199   AC_CHECK_MEMBERS([struct statvfs.f_basetype],,,[$statxfs_includes])
 200   AC_CHECK_MEMBERS([struct statfs.f_fstypename],,,[$statxfs_includes])
 201   AC_CHECK_MEMBERS([struct statfs.f_type],,,[$statxfs_includes])
 202   AC_CHECK_MEMBERS([struct statvfs.f_type],,,[$statxfs_includes])
 203   AC_CHECK_MEMBERS([struct statfs.f_fsid.__val],,,[$statxfs_includes])
 204   AC_CHECK_MEMBERS([struct statvfs.f_fsid.__val],,,[$statxfs_includes])
 205   AC_CHECK_MEMBERS([struct statfs.f_namemax],,,[$statxfs_includes])
 206   AC_CHECK_MEMBERS([struct statvfs.f_namemax],,,[$statxfs_includes])
 207   AC_CHECK_MEMBERS([struct statfs.f_namelen],,,[$statxfs_includes])
 208   AC_CHECK_MEMBERS([struct statvfs.f_namelen],,,[$statxfs_includes])
 209 ])
 210
 211 AC_DEFUN([jm_PREREQ_STRNLEN],
 212 [
 213   AC_FUNC_STRNLEN
 214   AC_HEADER_STDC
 215   AC_CHECK_HEADERS(memory.h)
 216   AC_CHECK_DECLS([memchr])
 217
 218   # This is necessary because automake-1.6.1 doesn't understand
 219   # that the above use of AC_FUNC_STRNLEN means we may have to use
 220   # lib/strnlen.c.
 221   test $ac_cv_func_strnlen_working = yes \
 222     && AC_LIBOBJ(strnlen)
 223 ])
 224
 225 AC_DEFUN([jm_PREREQ_TEMPNAME],
 226 [
 227   AC_HEADER_STDC
 228   AC_HEADER_STAT
 229   AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
 230   AC_CHECK_FUNCS(__secure_getenv gettimeofday)
 231   AC_CHECK_DECLS([getenv])
 232   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
 233 ])
 234
 235 AC_DEFUN([jm_PREREQ_XGETCWD],
 236 [
 237   AC_C_PROTOTYPES
 238   AC_CHECK_HEADERS(limits.h stdlib.h sys/param.h unistd.h)
 239   AC_CHECK_FUNCS(getcwd)
 240   AC_FUNC_GETCWD_NULL
 241 ])
 242
 243 AC_DEFUN([jm_PREREQ_XREADLINK],
 244 [
 245   AC_C_PROTOTYPES
 246   AC_CHECK_HEADERS(limits.h stdlib.h sys/types.h unistd.h)
 247 ])