contrib/ntp/sntp/configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2 AC_INIT(main.c)
   3 AM_INIT_AUTOMAKE([msntp],[1.6])
   4 AC_CONFIG_SRCDIR([header.h])
   5 AC_CANONICAL_HOST
   6 AM_CONFIG_HEADER(config.h)
   7
   8 # Checks for programs.
   9 AC_PROG_CC
  10
  11 # So far, the only shared library we might use is libopts.
  12 # It's a small library - we might as well use a static version of it.
  13 AC_DISABLE_SHARED
  14
  15 AC_PROG_LIBTOOL
  16
  17 # NTP has (so far) been relying on leading-edge autogen.
  18 # Therefore, by default:
  19 # - use the version we ship with
  20 # - do not install it
  21 # - build a static copy (AC_DISABLE_SHARED - done earlier)
  22 case "${enable_local_libopts+set}" in
  23  set) ;;
  24  *) enable_local_libopts=yes ;;
  25 esac
  26 case "${enable_libopts_install+set}" in
  27  set) ;;
  28  *) enable_libopts_install=no ;;
  29 esac
  30 LIBOPTS_CHECK
  31
  32 AC_MSG_CHECKING([[if $CC can handle #warning]])
  33 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#warning foo]])],[ac_cv_cpp_warning=yes],[ac_cv_cpp_warning=no])
  34 AC_MSG_RESULT([$ac_cv_cpp_warning])
  35
  36 case "$ac_cv_cpp_warning" in
  37  no)
  38     AC_DEFINE([NO_OPTION_NAME_WARNINGS], [1], [Should we avoid #warning on option name collisions?])
  39     AC_MSG_RESULT([[Enabling NO_OPTION_NAME_WARNINGS as #warning does not work]])
  40     ;;
  41 esac
  42
  43 # Checks for libraries.
  44
  45 # Checks for header files.
  46 AC_HEADER_STDC
  47 AC_CHECK_HEADERS([arpa/inet.h fcntl.h float.h limits.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h sys/time.h syslog.h unistd.h])
  48
  49 # Checks for typedefs, structures, and compiler characteristics.
  50 AC_C_CONST
  51 AC_TYPE_SIZE_T
  52 AC_HEADER_TIME
  53 AC_STRUCT_TM
  54
  55 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
  56                 ac_cv_have_ss_family_in_struct_ss, [
  57         AC_TRY_COMPILE(
  58                 [
  59 #include <sys/types.h>
  60 #include <sys/socket.h>
  61                 ],
  62                 [ struct sockaddr_storage s; s.ss_family = 1; ],
  63                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
  64                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
  65         )
  66 ])
  67 case "$ac_cv_have_ss_family_in_struct_ss" in
  68  yes)
  69     AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have ss_family?])
  70     ;;
  71 esac
  72
  73 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
  74                 ac_cv_have___ss_family_in_struct_ss, [
  75         AC_TRY_COMPILE(
  76                 [
  77 #include <sys/types.h>
  78 #include <sys/socket.h>
  79                 ],
  80                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
  81                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
  82                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
  83         )
  84 ])
  85 case "$ac_cv_have___ss_family_in_struct_ss" in
  86  yes)
  87     AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have __ss_family?])
  88     ;;
  89 esac
  90
  91 case "$ac_cv_have_ss_family_in_struct_ss$ac_cv_have___ss_family_in_struct_ss" in
  92  noyes)
  93     AC_DEFINE_UNQUOTED([ss_family], [__ss_family], [normalize ss_family access])
  94     AC_DEFINE_UNQUOTED([ss_len], [__ss_len], [normalize ss_len access])
  95     ;;
  96 esac
  97
  98 # Checks for library functions.
  99 AC_FUNC_MEMCMP
 100 AC_FUNC_SETVBUF_REVERSED
 101 AC_TYPE_SIGNAL
 102 AC_CHECK_FUNCS([alarm])
 103 AC_CHECK_FUNC(gethostent, , AC_CHECK_LIB(nsl, gethostent, , , -lsocket))
 104 AC_CHECK_FUNCS([gettimeofday inet_ntoa memset])
 105 AC_CHECK_FUNCS(socket, , AC_CHECK_LIB(socket, socket))
 106 AC_CHECK_FUNCS(sqrt, , AC_CHECK_LIB(m, sqrt))
 107 AC_CHECK_FUNCS([strrchr])
 108
 109 case "$host" in
 110  *-*-hpux10.*)  # at least for hppa2.0-hp-hpux10.20
 111     case "$GCC" in
 112      yes)
 113         ;;
 114      *) CFLAGS="$CFLAGS -Wp,-H18816"
 115         ;;
 116     esac
 117     ;;
 118  *-*-linux*)
 119     CFLAGS="$CFLAGS -DADJTIME_MISSING"
 120     ;;
 121  *-*-sunos*)
 122     CFLAGS="$CFLAGS -DNONBLOCK_BROKEN"
 123     ;;
 124 esac
 125
 126 AC_MSG_CHECKING(for bin subdirectory)
 127 AC_ARG_WITH(binsubdir,
 128         AC_HELP_STRING([--with-binsubdir], [bin ={bin,sbin}]),
 129         use_binsubdir="$withval", use_binsubdir="bin")
 130
 131 case "$use_binsubdir" in
 132  bin)
 133     ;;
 134  sbin)
 135     ;;
 136  *)
 137     AC_MSG_ERROR([<$use_binsubdir> is illegal - must be "bin" or "sbin"])
 138     ;;
 139 esac
 140 AC_MSG_RESULT($use_binsubdir)
 141 BINSUBDIR=$use_binsubdir
 142 AC_SUBST(BINSUBDIR)
 143
 144 AC_CONFIG_FILES([Makefile])
 145 AC_OUTPUT