Dogcows Code - chaz/tar/blob - m4/prereq.m4

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