m4/prereq.m4

   1 #serial 22
   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_CANON_HOST
  10   jm_PREREQ_DIRNAME
  11   jm_PREREQ_ERROR
  12   jm_PREREQ_EXCLUDE
  13   jm_PREREQ_GETPAGESIZE
  14   jm_PREREQ_HASH
  15   jm_PREREQ_HUMAN
  16   jm_PREREQ_MBSWIDTH
  17   jm_PREREQ_MEMCHR
  18   jm_PREREQ_PHYSMEM
  19   jm_PREREQ_QUOTEARG
  20   jm_PREREQ_READUTMP
  21   jm_PREREQ_REGEX
  22   jm_PREREQ_TEMPNAME # called by mkstemp
  23   jm_PREREQ_XGETCWD
  24   jm_PREREQ_XREADLINK
  25 ])
  26
  27 AC_DEFUN([jm_PREREQ_ADDEXT],
  28 [
  29   dnl For addext.c.
  30   AC_SYS_LONG_FILE_NAMES
  31   AC_CHECK_FUNCS(pathconf)
  32   AC_CHECK_HEADERS(limits.h string.h unistd.h)
  33 ])
  34
  35 AC_DEFUN([jm_PREREQ_CANON_HOST],
  36 [
  37   dnl Add any libraries as early as possible.
  38   dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
  39   dnl so we have to add -lnsl to LIBS before checking for that function.
  40   AC_SEARCH_LIBS(gethostbyname, [inet nsl])
  41
  42   dnl These come from -lnsl on Solaris5.5.1.
  43   AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
  44
  45   AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
  46   AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \
  47                    netinet/in.h arpa/inet.h)
  48 ])
  49
  50 AC_DEFUN([jm_PREREQ_DIRNAME],
  51 [
  52   AC_HEADER_STDC
  53   AC_CHECK_HEADERS(string.h)
  54 ])
  55
  56 AC_DEFUN([jm_PREREQ_EXCLUDE],
  57 [
  58   jm_FUNC_FNMATCH
  59   AC_CHECK_HEADERS(stdbool.h)
  60 ])
  61
  62 AC_DEFUN([jm_PREREQ_GETPAGESIZE],
  63 [
  64   AC_CHECK_FUNCS(getpagesize)
  65   AC_CHECK_HEADERS(OS.h unistd.h)
  66 ])
  67
  68 # If you use human.c, you need the following files:
  69 # inttypes.m4 ulonglong.m4
  70 AC_DEFUN([jm_PREREQ_HUMAN],
  71 [
  72   AC_CHECK_HEADERS(limits.h stdlib.h string.h)
  73   AC_CHECK_DECLS([getenv])
  74   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
  75 ])
  76
  77 AC_DEFUN([jm_PREREQ_MEMCHR],
  78 [
  79   AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
  80 ])
  81
  82 AC_DEFUN([jm_PREREQ_PHYSMEM],
  83 [
  84   AC_CHECK_HEADERS(sys/pstat.h unistd.h)
  85   AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic)
  86 ])
  87
  88 AC_DEFUN([jm_PREREQ_QUOTEARG],
  89 [
  90   AC_CHECK_FUNCS(isascii iswprint)
  91   jm_FUNC_MBRTOWC
  92   AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
  93   AC_HEADER_STDC
  94   AC_C_BACKSLASH_A
  95   AC_MBSTATE_T
  96   AM_C_PROTOTYPES
  97 ])
  98
  99 AC_DEFUN([jm_PREREQ_READUTMP],
 100 [
 101   AC_HEADER_STDC
 102   AC_CHECK_HEADERS(string.h utmp.h utmpx.h sys/param.h)
 103   AC_CHECK_FUNCS(utmpname)
 104   AC_CHECK_FUNCS(utmpxname)
 105   AM_C_PROTOTYPES
 106
 107   if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
 108     utmp_includes="\
 109 $ac_includes_default
 110 #ifdef HAVE_UTMPX_H
 111 # include <utmpx.h>
 112 #endif
 113 #ifdef HAVE_UTMP_H
 114 # include <utmp.h>
 115 #endif
 116 "
 117     AC_CHECK_MEMBERS([struct utmpx.ut_user],,,[$utmp_includes])
 118     AC_CHECK_MEMBERS([struct utmp.ut_user],,,[$utmp_includes])
 119     AC_CHECK_MEMBERS([struct utmpx.ut_name],,,[$utmp_includes])
 120     AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes])
 121     AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes])
 122     AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes])
 123     AC_LIBOBJ(readutmp)
 124   fi
 125 ])
 126
 127 AC_DEFUN([jm_PREREQ_REGEX],
 128 [
 129   dnl FIXME: Maybe provide a btowc replacement someday: solaris-2.5.1 lacks it.
 130   dnl FIXME: Check for wctype and iswctype, and and add -lw if necessary
 131   dnl to get them.
 132   AC_CHECK_FUNCS(bzero bcopy isascii btowc)
 133   AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h)
 134   AC_HEADER_STDC
 135   AC_FUNC_ALLOCA
 136 ])
 137
 138 AC_DEFUN([jm_PREREQ_TEMPNAME],
 139 [
 140   AC_HEADER_STDC
 141   AC_HEADER_STAT
 142   AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
 143   AC_CHECK_FUNCS(__secure_getenv gettimeofday)
 144   AC_CHECK_DECLS([getenv])
 145 ])
 146
 147 AC_DEFUN([jm_PREREQ_XGETCWD],
 148 [
 149   AC_C_PROTOTYPES
 150   AC_CHECK_HEADERS(limits.h stdlib.h sys/param.h unistd.h)
 151   AC_CHECK_FUNCS(getcwd)
 152   AC_FUNC_GETCWD_NULL
 153 ])
 154
 155 AC_DEFUN([jm_PREREQ_XREADLINK],
 156 [
 157   AC_C_PROTOTYPES
 158   AC_CHECK_HEADERS(limits.h stdlib.h sys/types.h unistd.h)
 159 ])