rfc822/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl $Id: configure.in,v 1.21 2009/11/08 18:14:47 mrsam Exp $
   3 dnl
   4 dnl Copyright 1998 - 2009 Double Precision, Inc.  See COPYING for
   5 dnl distribution information.
   6
   7 AC_INIT(rfc822lib, 0.13, [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_USE_SYSTEM_EXTENSIONS
  17 AC_PROG_CC
  18 AC_PROG_LIBTOOL
  19
  20 if test "$GCC" = yes ; then
  21         CXXFLAGS="$CXXFLAGS -Wall"
  22         CFLAGS="$CFLAGS -Wall"
  23 fi
  24
  25 dnl Checks for libraries.
  26
  27 dnl Checks for header files.
  28 AC_HEADER_STDC
  29 AC_CHECK_HEADERS(locale.h)
  30
  31 dnl Checks for typedefs, structures, and compiler characteristics.
  32 AC_C_CONST
  33 AC_TYPE_SIZE_T
  34 AC_STRUCT_TM
  35
  36 dnl Checks for library functions.
  37
  38 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
  39                     [Support IDN (needs GNU Libidn)]),
  40                     libidn=$withval, libidn=yes)
  41
  42 if test "$libidn" != "no"
  43 then
  44         PKG_CHECK_MODULES(LIBIDN, libidn >= 0.0.0, [libidn=yes], [libidn=no])
  45         if test "$libidn" != "yes"
  46         then
  47                 libidn=no
  48                 AC_MSG_WARN([Libidn not found])
  49         else
  50                 libidn=yes
  51                 AC_DEFINE(LIBIDN, 1, [Define to 1 if you want Libidn.])
  52         fi
  53 fi
  54 AC_MSG_CHECKING([if Libidn should be used])
  55 AC_MSG_RESULT($libidn)
  56
  57 AC_CHECK_FUNCS(strcasecmp strncasecmp setlocale)
  58
  59 AC_CACHE_CHECK([how to calculate alternate timezone],librfc822_cv_SYS_TIMEZONE,
  60
  61 AC_TRY_COMPILE([
  62 #include        <time.h>
  63 ],[
  64 int main()
  65 {
  66 time_t  t=altzone;
  67
  68         return (0);
  69 }
  70 ], librfc822_cv_SYS_TIMEZONE=altzone,
  71
  72         AC_TRY_COMPILE([
  73 #include        <time.h>
  74 ],[
  75 int main()
  76 {
  77 int     n=daylight;
  78
  79         return (0);
  80 }
  81         ], librfc822_cv_SYS_TIMEZONE=daylight,
  82
  83         AC_TRY_COMPILE([
  84 #include        <time.h>
  85
  86 extern struct tm dummy;
  87 ],[
  88 int main()
  89 {
  90 long    n=dummy.tm_gmtoff;
  91
  92         return (0);
  93 }
  94         ] ,librfc822_cv_SYS_TIMEZONE=tm_gmtoff,
  95                 librfc822_cv_SYS_TIMEZONE=unknown
  96                         )
  97                 )
  98         )
  99 )
 100
 101 case $librfc822_cv_SYS_TIMEZONE in
 102 tm_gmtoff)
 103         AC_DEFINE_UNQUOTED(USE_TIME_GMTOFF,1,
 104                 [ The time offset is specified in the tm_gmtoff member ])
 105         ;;
 106 altzone)
 107         AC_DEFINE_UNQUOTED(USE_TIME_ALTZONE,1,
 108                 [ The daylight savings time offset is in the altzone member ])
 109         ;;
 110 daylight)
 111         AC_DEFINE_UNQUOTED(USE_TIME_DAYLIGHT,1,
 112                 [ The daylight savings time offset is in the tm_isdst member ])
 113         ;;
 114 *)
 115         AC_MSG_WARN([Cannot figure out how to calculate the alternate timezone, will use GMT])
 116         ;;
 117 esac
 118
 119 AM_CONDITIONAL(HAVE_SGML, test -d ${srcdir}/../docbook)
 120
 121 AC_OUTPUT(Makefile)