rfc822/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl $Id: configure.in,v 1.18 2007/02/26 02:56:37 mrsam Exp $
   3 dnl
   4 dnl Copyright 1998 - 2004 Double Precision, Inc.  See COPYING for
   5 dnl distribution information.
   6
   7 AC_INIT(rfc822lib, 0.12, [courier-users@lists.sourceforge.net])
   8
   9 >confdefs.h  # Kill PACKAGE_ macros
  10
  11 AC_CONFIG_SRCDIR(rfc822.c)
  12 AM_INIT_AUTOMAKE([foreign no-define])
  13 AM_CONFIG_HEADER(config.h)
  14
  15 dnl Checks for programs.
  16 AC_PROG_CC
  17 AC_ISC_POSIX
  18 AC_AIX
  19 AC_MINIX
  20 AC_PROG_LIBTOOL
  21
  22 if test "$GCC" = yes ; then
  23         CXXFLAGS="$CXXFLAGS -Wall"
  24         CFLAGS="$CFLAGS -Wall"
  25 fi
  26
  27 dnl Checks for libraries.
  28
  29 dnl Checks for header files.
  30 AC_HEADER_STDC
  31 AC_CHECK_HEADERS(locale.h)
  32
  33 dnl Checks for typedefs, structures, and compiler characteristics.
  34 AC_C_CONST
  35 AC_TYPE_SIZE_T
  36 AC_STRUCT_TM
  37
  38 dnl Checks for library functions.
  39
  40 AC_CHECK_FUNCS(strcasecmp strncasecmp setlocale)
  41
  42 AC_CACHE_CHECK([how to calculate alternate timezone],librfc822_cv_SYS_TIMEZONE,
  43
  44 AC_TRY_COMPILE([
  45 #include        <time.h>
  46 ],[
  47 int main()
  48 {
  49 time_t  t=altzone;
  50
  51         return (0);
  52 }
  53 ], librfc822_cv_SYS_TIMEZONE=altzone,
  54
  55         AC_TRY_COMPILE([
  56 #include        <time.h>
  57 ],[
  58 int main()
  59 {
  60 int     n=daylight;
  61
  62         return (0);
  63 }
  64         ], librfc822_cv_SYS_TIMEZONE=daylight,
  65
  66         AC_TRY_COMPILE([
  67 #include        <time.h>
  68
  69 extern struct tm dummy;
  70 ],[
  71 int main()
  72 {
  73 long    n=dummy.tm_gmtoff;
  74
  75         return (0);
  76 }
  77         ] ,librfc822_cv_SYS_TIMEZONE=tm_gmtoff,
  78                 librfc822_cv_SYS_TIMEZONE=unknown
  79                         )
  80                 )
  81         )
  82 )
  83
  84 case $librfc822_cv_SYS_TIMEZONE in
  85 tm_gmtoff)
  86         AC_DEFINE_UNQUOTED(USE_TIME_GMTOFF,1,
  87                 [ The time offset is specified in the tm_gmtoff member ])
  88         ;;
  89 altzone)
  90         AC_DEFINE_UNQUOTED(USE_TIME_ALTZONE,1,
  91                 [ The daylight savings time offset is in the altzone member ])
  92         ;;
  93 daylight)
  94         AC_DEFINE_UNQUOTED(USE_TIME_DAYLIGHT,1,
  95                 [ The daylight savings time offset is in the tm_isdst member ])
  96         ;;
  97 *)
  98         AC_MSG_WARN([Cannot figure out how to calculate the alternate timezone, will use GMT])
  99         ;;
 100 esac
 101
 102 if test -d ../unicode
 103 then
 104         AC_DEFINE_UNQUOTED(HAVE_LIBUNICODE,1,
 105                 [ Whether we have libunicode.a ])
 106 fi
 107
 108 AM_CONDITIONAL(HAVE_SGML, test -d ${srcdir}/../docbook)
 109
 110 AC_OUTPUT(Makefile)