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dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright 1998 - 2009 Double Precision, Inc. See COPYING for
dnl distribution information.
AC_INIT(rfc822lib, 0.13, [courier-users@lists.sourceforge.net])
>confdefs.h # Kill PACKAGE_ macros
AC_CONFIG_SRCDIR(rfc822.c)
AC_CONFIG_AUX_DIR(../..)
AM_INIT_AUTOMAKE([foreign no-define])
AC_CONFIG_HEADERS(config.h)
dnl Checks for programs.
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_LIBTOOL
if test "$GCC" = yes ; then
CXXFLAGS="$CXXFLAGS -Wall"
CFLAGS="$CFLAGS -Wall"
fi
CFLAGS="$CFLAGS -I.. -I$srcdir/.."
dnl Checks for libraries.
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(locale.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_STRUCT_TM
AC_SYS_LARGEFILE
dnl Checks for library functions.
AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
[Support IDN (needs GNU Libidn)]),
libidn=$withval, libidn=yes)
if test "$libidn" != "no"
then
PKG_CHECK_MODULES(LIBIDN, libidn >= 0.0.0, [libidn=yes], [libidn=no])
if test "$libidn" != "yes"
then
libidn=no
AC_MSG_WARN([Libidn not found])
else
libidn=yes
AC_DEFINE(LIBIDN, 1, [Define to 1 if you want Libidn.])
fi
fi
AC_MSG_CHECKING([if Libidn should be used])
AC_MSG_RESULT($libidn)
AC_CHECK_FUNCS(strcasecmp strncasecmp setlocale)
AC_CACHE_CHECK([how to calculate alternate timezone],librfc822_cv_SYS_TIMEZONE,
AC_TRY_COMPILE([
#include <time.h>
],[
time_t t=altzone;
], librfc822_cv_SYS_TIMEZONE=altzone,
AC_TRY_COMPILE([
#include <time.h>
],[
int n=daylight;
], librfc822_cv_SYS_TIMEZONE=daylight,
AC_TRY_COMPILE([
#include <time.h>
extern struct tm dummy;
],[
long n=dummy.tm_gmtoff;
] ,librfc822_cv_SYS_TIMEZONE=tm_gmtoff,
librfc822_cv_SYS_TIMEZONE=unknown
)
)
)
)
case $librfc822_cv_SYS_TIMEZONE in
tm_gmtoff)
AC_DEFINE_UNQUOTED(USE_TIME_GMTOFF,1,
[ The time offset is specified in the tm_gmtoff member ])
;;
altzone)
AC_DEFINE_UNQUOTED(USE_TIME_ALTZONE,1,
[ The daylight savings time offset is in the altzone member ])
;;
daylight)
AC_DEFINE_UNQUOTED(USE_TIME_DAYLIGHT,1,
[ The daylight savings time offset is in the tm_isdst member ])
;;
*)
AC_MSG_WARN([Cannot figure out how to calculate the alternate timezone, will use GMT])
;;
esac
AM_CONDITIONAL(HAVE_SGML, test -d ${srcdir}/../docbook)
echo "libidn=$libidn" >rfc822.config
AC_OUTPUT(Makefile)
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