dist/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 m4_defun([_LT_AC_LANG_CXX_CONFIG], [:])
  16 m4_defun([_LT_AC_LANG_F77_CONFIG], [:])
  17
  18 AC_PROG_LIBTOOL
  19
  20 # NTP has (so far) been relying on leading-edge autogen.
  21 # Therefore, by default:
  22 # - use the version we ship with
  23 # - do not install it
  24 # - build a static copy (AC_DISABLE_SHARED - done earlier)
  25 case "${enable_local_libopts+set}" in
  26  set) ;;
  27  *) enable_local_libopts=yes ;;
  28 esac
  29 case "${enable_libopts_install+set}" in
  30  set) ;;
  31  *) enable_libopts_install=no ;;
  32 esac
  33 LIBOPTS_CHECK
  34
  35 AC_MSG_CHECKING([[if $CC can handle #warning]])
  36 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#warning foo]])],[ac_cv_cpp_warning=yes],[ac_cv_cpp_warning=no])
  37 AC_MSG_RESULT([$ac_cv_cpp_warning])
  38
  39 case "$ac_cv_cpp_warning" in
  40  no)
  41     AC_DEFINE([NO_OPTION_NAME_WARNINGS], [1], [Should we avoid #warning on option name collisions?])
  42     AC_MSG_RESULT([[Enabling NO_OPTION_NAME_WARNINGS as #warning does not work]])
  43     ;;
  44 esac
  45
  46 AC_C_INLINE
  47
  48 case "$ac_cv_c_inline" in
  49  '')
  50     ;;
  51  *)
  52     AC_DEFINE(HAVE_INLINE,1,[inline keyword or macro available])
  53     AC_SUBST(HAVE_INLINE)
  54 esac
  55
  56
  57 # Checks for libraries.
  58
  59 # Checks for header files.
  60 AC_HEADER_STDC
  61 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])
  62
  63 # Checks for typedefs, structures, and compiler characteristics.
  64 AC_C_CONST
  65 AC_TYPE_SIZE_T
  66 AC_HEADER_TIME
  67 AC_STRUCT_TM
  68
  69 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
  70                 ac_cv_have_ss_family_in_struct_ss, [
  71         AC_TRY_COMPILE(
  72                 [
  73 #include <sys/types.h>
  74 #include <sys/socket.h>
  75                 ],
  76                 [ struct sockaddr_storage s; s.ss_family = 1; ],
  77                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
  78                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
  79         )
  80 ])
  81 case "$ac_cv_have_ss_family_in_struct_ss" in
  82  yes)
  83     AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have ss_family?])
  84     ;;
  85 esac
  86
  87 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
  88                 ac_cv_have___ss_family_in_struct_ss, [
  89         AC_TRY_COMPILE(
  90                 [
  91 #include <sys/types.h>
  92 #include <sys/socket.h>
  93                 ],
  94                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
  95                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
  96                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
  97         )
  98 ])
  99 case "$ac_cv_have___ss_family_in_struct_ss" in
 100  yes)
 101     AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1, [Does struct sockaddr_storage have __ss_family?])
 102     ;;
 103 esac
 104
 105 case "$ac_cv_have_ss_family_in_struct_ss$ac_cv_have___ss_family_in_struct_ss" in
 106  noyes)
 107     AC_DEFINE_UNQUOTED([ss_family], [__ss_family], [normalize ss_family access])
 108     AC_DEFINE_UNQUOTED([ss_len], [__ss_len], [normalize ss_len access])
 109     ;;
 110 esac
 111
 112 # Checks for library functions.
 113 #AC_FUNC_MEMCMP  dnl HMS: we don't have a memcmp.c to use here, so why bother?
 114 AC_FUNC_SETVBUF_REVERSED
 115 AC_TYPE_SIGNAL
 116 AC_CHECK_FUNCS([alarm])
 117 AC_CHECK_FUNC([gethostent], , AC_SEARCH_LIBS([gethostent], [nsl], , , [-lsocket]))
 118 AC_CHECK_FUNCS([gettimeofday inet_ntoa memset])
 119 AC_CHECK_FUNCS([socket], , AC_SEARCH_LIBS([socket], [socket]))
 120 AC_CHECK_FUNCS([sqrt], , AC_SEARCH_LIBS([sqrt], [m]))
 121 AC_CHECK_FUNCS([strrchr])
 122
 123 case "$host" in
 124  *-*-hpux10.*)  # at least for hppa2.0-hp-hpux10.20
 125     case "$GCC" in
 126      yes)
 127         ;;
 128      *) CFLAGS="$CFLAGS -Wp,-H18816"
 129         ;;
 130     esac
 131     ;;
 132  *-*-linux*)
 133     CFLAGS="$CFLAGS -DADJTIME_MISSING"
 134     ;;
 135  *-*-sunos*)
 136     CFLAGS="$CFLAGS -DNONBLOCK_BROKEN"
 137     ;;
 138 esac
 139
 140 AC_MSG_CHECKING(for bin subdirectory)
 141 AC_ARG_WITH(binsubdir,
 142         AC_HELP_STRING([--with-binsubdir], [bin ={bin,sbin}]),
 143         use_binsubdir="$withval", use_binsubdir="bin")
 144
 145 case "$use_binsubdir" in
 146  bin)
 147     ;;
 148  sbin)
 149     ;;
 150  *)
 151     AC_MSG_ERROR([<$use_binsubdir> is illegal - must be "bin" or "sbin"])
 152     ;;
 153 esac
 154 AC_MSG_RESULT($use_binsubdir)
 155 BINSUBDIR=$use_binsubdir
 156 AC_SUBST(BINSUBDIR)
 157
 158 AC_CONFIG_FILES([Makefile])
 159 AC_OUTPUT