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

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