libs/rfc822/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl
   3 dnl Copyright 1998 - 2009 Double Precision, Inc.  See COPYING for
   4 dnl distribution information.
   5
   6 AC_INIT(rfc822lib, 0.13, [courier-users@lists.sourceforge.net])
   7
   8 >confdefs.h  # Kill PACKAGE_ macros
   9
  10 AC_CONFIG_SRCDIR(rfc822.c)
  11 AC_CONFIG_AUX_DIR(../..)
  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="$CFLAGS -Wall"
  23 fi
  24
  25 CFLAGS="$CFLAGS -I.. -I$srcdir/.."
  26
  27 dnl Checks for libraries.
  28
  29 dnl Checks for header files.
  30 AC_HEADER_STDC
  31 AC_CHECK_HEADERS(locale.h)
  32
  33 dnl Checks for typedefs, structures, and compiler characteristics.
  34 AC_C_CONST
  35 AC_TYPE_SIZE_T
  36 AC_STRUCT_TM
  37 AC_SYS_LARGEFILE
  38
  39 dnl Checks for library functions.
  40
  41 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
  42                     [Support IDN (needs GNU Libidn)]),
  43                     libidn=$withval, libidn=yes)
  44
  45 if test "$libidn" != "no"
  46 then
  47         PKG_CHECK_MODULES(LIBIDN, libidn >= 0.0.0, [libidn=yes], [libidn=no])
  48         if test "$libidn" != "yes"
  49         then
  50                 libidn=no
  51                 AC_MSG_WARN([Libidn not found])
  52         else
  53                 libidn=yes
  54                 AC_DEFINE(LIBIDN, 1, [Define to 1 if you want Libidn.])
  55         fi
  56 fi
  57 AC_MSG_CHECKING([if Libidn should be used])
  58 AC_MSG_RESULT($libidn)
  59
  60 AC_CHECK_FUNCS(strcasecmp strncasecmp setlocale)
  61
  62 AC_CACHE_CHECK([how to calculate alternate timezone],librfc822_cv_SYS_TIMEZONE,
  63
  64 AC_TRY_COMPILE([
  65 #include        <time.h>
  66 ],[
  67 int main()
  68 {
  69 time_t  t=altzone;
  70
  71         return (0);
  72 }
  73 ], librfc822_cv_SYS_TIMEZONE=altzone,
  74
  75         AC_TRY_COMPILE([
  76 #include        <time.h>
  77 ],[
  78 int main()
  79 {
  80 int     n=daylight;
  81
  82         return (0);
  83 }
  84         ], librfc822_cv_SYS_TIMEZONE=daylight,
  85
  86         AC_TRY_COMPILE([
  87 #include        <time.h>
  88
  89 extern struct tm dummy;
  90 ],[
  91 int main()
  92 {
  93 long    n=dummy.tm_gmtoff;
  94
  95         return (0);
  96 }
  97         ] ,librfc822_cv_SYS_TIMEZONE=tm_gmtoff,
  98                 librfc822_cv_SYS_TIMEZONE=unknown
  99                         )
 100                 )
 101         )
 102 )
 103
 104 case $librfc822_cv_SYS_TIMEZONE in
 105 tm_gmtoff)
 106         AC_DEFINE_UNQUOTED(USE_TIME_GMTOFF,1,
 107                 [ The time offset is specified in the tm_gmtoff member ])
 108         ;;
 109 altzone)
 110         AC_DEFINE_UNQUOTED(USE_TIME_ALTZONE,1,
 111                 [ The daylight savings time offset is in the altzone member ])
 112         ;;
 113 daylight)
 114         AC_DEFINE_UNQUOTED(USE_TIME_DAYLIGHT,1,
 115                 [ The daylight savings time offset is in the tm_isdst member ])
 116         ;;
 117 *)
 118         AC_MSG_WARN([Cannot figure out how to calculate the alternate timezone, will use GMT])
 119         ;;
 120 esac
 121
 122 AM_CONDITIONAL(HAVE_SGML, test -d ${srcdir}/../docbook)
 123
 124 echo "libidn=$libidn" >rfc822.config
 125 AC_OUTPUT(Makefile)