dnl Process this file with autoconf to produce a configure script.
AC_INIT(src/main.c)
PACKAGE=sylpheed

dnl version number
MAJOR_VERSION=0
MINOR_VERSION=6
MICRO_VERSION=3
INTERFACE_AGE=0
BINARY_AGE=0
EXTRA_VERSION=claws21
VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION$EXTRA_VERSION

dnl
AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
dnl AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
dnl AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)

dnl GNOME installed?
AC_PATH_PROG(GNOME_CONFIG, gnome-config, no)
if test "$GNOME_CONFIG" != no; then
	gnomedir="`gnome-config --prefix`"
	AC_SUBST(gnomedir)
fi
AM_CONDITIONAL(SYLPHEED_GNOME, test -d "$gnomedir")

dnl Claws version
AC_DEFINE(CLAWS, 1)

dnl libtool versioning
LT_RELEASE=$MAJOR_VERSION.$MINOR_VERSION
LT_CURRENT=`expr $MICRO_VERSION - $INTERFACE_AGE`
LT_REVISION=$INTERFACE_AGE
LT_AGE=`expr $BINARY_AGE - $INTERFACE_AGE`
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

dnl Specify a header configuration file
AM_CONFIG_HEADER(config.h)

AM_PROG_LIBTOOL
AM_MAINTAINER_MODE

dnl Checks for programs.
AC_ARG_PROGRAM
AC_PROG_CC
AC_ISC_POSIX
AM_PROG_CC_STDC
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_CPP
dnl AC_PROG_RANLIB
AM_PROG_LEX
AC_PROG_YACC

SYLPHEED_ACLOCAL_INCLUDE(ac)

dnl for gettext
ALL_LINGUAS="cs de el es fr hr it ja ko nl pl pt_BR ru sv"
AM_GNU_GETTEXT
dnl AC_CHECK_FUNC(gettext, AC_CHECK_LIB(intl, gettext))
localedir='${prefix}/${DATADIRNAME}/locale'
AC_SUBST(localedir)

manualdir='${prefix}/${DATADIRNAME}/${PACKAGE}/manual'
AC_SUBST(manualdir)

dnl Checks for libraries.
AM_PATH_GLIB(1.2.6,,
	AC_MSG_ERROR(Test for GLIB failed. See the file 'INSTALL' for help.),
	gthread)
AM_PATH_GTK(1.2.6,,
	AC_MSG_ERROR(Test for GTK failed. See the file 'INSTALL' for help.))

dnl Check for built-in image view support
AC_ARG_ENABLE(gdk-pixbuf,
	[  --disable-gdk-pixbuf    Do not use gdk-pixbuf],
	[ac_cv_enable_gdk_pixbuf=$enableval], [ac_cv_enable_gdk_pixbuf=yes])
AC_ARG_ENABLE(imlib,
	[  --disable-imlib         Do not use imlib],
	[ac_cv_enable_imlib=$enableval], [ac_cv_enable_imlib=yes])

if test "$ac_cv_enable_gdk_pixbuf" = yes; then
	AM_PATH_GDK_PIXBUF(0.8.0,
		[AC_DEFINE(HAVE_GDK_PIXBUF)
		 ac_cv_enable_imlib=no], [ac_cv_enable_gdk_pixbuf=no])
fi
if test "$ac_cv_enable_imlib" = yes; then
	AM_PATH_GDK_IMLIB(1.9,
		AC_DEFINE(HAVE_GDK_IMLIB), [ac_cv_enable_imlib=no])
fi
if test "$ac_cv_enable_gdk_pixbuf" = no -a "$ac_cv_enable_imlib" = no; then
	AC_MSG_WARN(*** Built-in image view will not be supported ***)
fi

dnl GPGME is used to support OpenPGP 
AC_ARG_ENABLE(gpgme,
	[  --enable-gpgme          Enable GnuPG support using GPGME [default=no]],
	[ac_cv_enable_gpgme=$enableval], [ac_cv_enable_gpgme=no])
AC_MSG_CHECKING([whether to use GPGME])
if test $ac_cv_enable_gpgme = yes; then
	AC_MSG_RESULT(yes)
	AM_PATH_GPGME(0.2.3, AC_DEFINE(USE_GPGME), [use_gpgme=no
						    ac_cv_enable_gpgme=no])
else
	AC_MSG_RESULT(no)
fi

dnl Check for OpenSSL
AC_ARG_ENABLE(ssl,
	[  --enable-ssl            Enable SSL support using OpenSSL [default=no]],
	[ac_cv_enable_ssl=$enableval], [ac_cv_enable_ssl=no])
AC_MSG_CHECKING([whether to use OpenSSL])
if test $ac_cv_enable_ssl = yes; then
	AC_MSG_RESULT(yes)
	AC_MSG_CHECKING([if openssl is available])
	LIBS="$LIBS -lssl -lcrypto"
	AC_TRY_LINK([
#include <openssl/opensslv.h>
],	[ return OPENSSL_VERSION_NUMBER; ],
	[ AC_MSG_RESULT(yes)
	  AC_DEFINE(USE_SSL) ],
	[ AC_MSG_RESULT(no)
	  LIBS="$ac_save_LIBS"
	  ac_cv_enable_ssl=no ])
else
	AC_MSG_RESULT(no)
fi

dnl Check for X-Face support
AC_ARG_ENABLE(compface,
	[  --disable-compface      Do not use compface (X-Face)],
	[ac_cv_enable_compface=$enableval], [ac_cv_enable_compface=yes])
if test "$ac_cv_enable_compface" = yes; then
	AC_CHECK_LIB(compface, uncompface,,[ac_cv_enable_compface=no])
fi

dnl for JPilot support in addressbook
dnl no check for libraries; these are dynamically loaded
AC_ARG_ENABLE(jpilot,
	[  --enable-jpilot         Enable JPilot support [default=no]],
	[ac_cv_enable_jpilot=$enableval], [ac_cv_enable_jpilot=no])
AC_MSG_CHECKING([whether to use JPilot])
if test "$ac_cv_enable_jpilot" = yes; then
	AC_MSG_RESULT(yes)
	AC_CHECK_HEADERS(pi-args.h pi-appinfo.h pi-address.h,
			 [ LIBS="$LIBS -lpisock"
			   AC_DEFINE(USE_JPILOT) ],
			 [ ac_cv_enable_jpilot=no ])
	if test "$ac_cv_enable_jpilot" = no; then
		AC_CHECK_HEADERS(libpisock/pi-args.h libpisock/pi-appinfo.h libpisock/pi-address.h,
				 [ LIBS="$LIBS -lpisock"
				   ac_cv_enable_jpilot=yes
				   AC_DEFINE(USE_JPILOT) ])
	fi
	AC_MSG_CHECKING([whether jpilot is available])
	AC_MSG_RESULT($ac_cv_enable_jpilot)
else
	AC_MSG_RESULT(no)
fi

dnl for LDAP support in addressbook
dnl no check for libraries; dynamically loaded
AC_ARG_ENABLE(ldap,
	[  --enable-ldap           Enable LDAP support [default=no]],
	[ac_cv_enable_ldap=$enableval], [ac_cv_enable_ldap=no])
AC_MSG_CHECKING([whether to use LDAP])
if test "$ac_cv_enable_ldap" = yes; then
	AC_MSG_RESULT(yes)
	AC_CHECK_HEADERS(ldap.h lber.h pthread.h,
			 [ LIBS="$LIBS -lldap -llber -lpthread -lresolv `glib-config --libs gthread`"
			   AC_DEFINE(USE_LDAP) ],
			 [ ac_cv_enable_ldap=no ])
	AC_MSG_CHECKING([whether ldap is available])
	AC_MSG_RESULT($ac_cv_enable_ldap)
else
	AC_MSG_RESULT(no)
fi

dnl get ispell path
dnl
AC_PATH_PROG(ispell_path, ispell, no)
if test "$ispell_path" != no; then
	AC_DEFINE_UNQUOTED(ISPELL_PATH, "$ispell_path")
	AC_SUBST(ISPELL_PATH)
else
	AC_DEFINE_UNQUOTED(ISPELL_PATH, "/usr/bin/ispell")
	AC_SUBST(ISPELL_PATH)
fi

dnl Check for libjconv
AC_ARG_ENABLE(jconv,
	[  --disable-jconv         Do not use libjconv],
	[ac_cv_enable_jconv=$enableval], [ac_cv_enable_jconv=yes])
if test "$ac_cv_enable_jconv" = yes; then
	AC_CHECK_LIB(jconv, jconv_alloc_conv,,[ac_cv_enable_jconv=no])
fi

AC_CHECK_LIB(xpg4, setlocale)
dnl AC_CHECK_LIB(kcc, KCC_filter)

dnl for GThread support (currently disabled)
dnl AC_ARG_ENABLE(threads,
dnl	[  --enable-threads        Enable multithread support [default=no]],
dnl	[use_threads=$enableval], [use_threads=no])

AC_MSG_CHECKING([whether to use threads])
if test x"$use_threads" = xyes ; then
	AC_MSG_RESULT(yes)
	if test ! -z `$GLIB_CONFIG --help 2>&1 |grep 'gthread'` ; then
		CFLAGS="$CFLAGS `$GLIB_CONFIG --cflags gthread`"
		LIBS="$LIBS `$GLIB_CONFIG --libs gthread`"
		AC_DEFINE(USE_THREADS)
	else
		AC_MSG_ERROR([Sylpheed requires GThread from GLib to use threading.])
	fi
else
	AC_MSG_RESULT(no)
fi

dnl check for IPv6 option
AC_ARG_ENABLE(ipv6,
	[  --enable-ipv6           Enable IPv6 support [default=no]],
	[ac_cv_enable_ipv6=$enableval], [ac_cv_enable_ipv6=no])

dnl automated checks for IPv6 support.
AC_MSG_CHECKING([whether to use IPv6])
if test x"$ac_cv_enable_ipv6" = xyes; then
	AC_MSG_RESULT(yes)
	AC_MSG_CHECKING([for IPv6 support])
	AC_CACHE_VAL(ac_cv_ipv6,[
		AC_TRY_COMPILE([#define INET6
				#include <sys/types.h>
				#include <netinet/in.h>],
			[int x = IPPROTO_IPV6; struct in6_addr a;],
			ac_cv_ipv6=yes, ac_cv_ipv6=no)
	])
	AC_MSG_RESULT($ac_cv_ipv6)
	if test $ac_cv_ipv6 = yes; then
		AC_DEFINE(INET6)
	else
		AC_MSG_WARN(*** IPv6 will not be supported ***)
		ac_cv_enable_ipv6=no
	fi
else
	AC_MSG_RESULT(no)
fi

dnl PSPELL is user for spell checking
AC_ARG_ENABLE(pspell,
	[  --enable-pspell           Enable pspell support [default=no]],
	[ac_cv_enable_pspell=$enableval], [ac_cv_enable_pspell=no])
AC_MSG_CHECKING([whether to use pspell])
if test $ac_cv_enable_pspell = yes; then
	AC_MSG_RESULT(yes)
	AM_PATH_PSPELL(.12.2, AC_DEFINE(USE_PSPELL), [use_pspell=no
						    ac_cv_enable_pspell=no])
else
	AC_MSG_RESULT(no)
fi

dnl check if gdk / gtk was compiled with USE_XIM
AC_MSG_CHECKING([whether GTK was compiled with XIM support])
CFLAGS_SAVE="$CFLAGS"
LDFLAGS_SAVE="$LDFLAGS"
CFLAGS="$CFLAGS `$GLIB_CONFIG --cflags` `gtk-config --cflags`"
LDFLAGS="$LIBS `$GLIB_CONFIG --libs` `gtk-config --libs`"
AC_CACHE_VAL(ac_cv_use_gtkgdk_xim, [
	AC_TRY_COMPILE([#include <gtk/gtk.h>
			#include <gdk/gdk.h>],
			[extern gint gdk_im_open(void); gdk_im_open();],
			 ac_cv_use_gtkgdk_xim=yes, ac_cv_use_gtkgdk_xim=no)
	])
AC_MSG_RESULT($ac_cv_use_gtkgdk_xim)
if test $ac_cv_use_gtkgdk_xim = yes; then
	AC_DEFINE(USE_GTKGDK_XIM)
fi
CFLAGS="$CFLAGS_SAVE"
LDFLAGS="$LDFLAGS_SAVE"


dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h sys/file.h unistd.h paths.h \
		 sys/param.h sys/utsname.h \
		 wchar.h wctype.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_STRUCT_TM

dnl AC_CHECK_TYPE(wint_t, unsigned int) does not work because wint_t
dnl may be defined only in wchar.h (this happens with gcc-2.96).
dnl So we need to use this extended macro.
SYLPHEED_CHECK_TYPE(wint_t, unsigned int,
[
#if HAVE_WCHAR_H
#include <wchar.h>
#endif
])

GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
AC_CHECK_SIZEOF(unsigned short, 2)
AC_CHECK_SIZEOF(unsigned int, 4)
AC_CHECK_SIZEOF(unsigned long, 4)

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(gethostname mkdir mktime socket strstr \
	       wcsstr wcswcs iswalnum iswspace towlower \
	       wcslen wcscpy wcsncpy \
	       uname flock lockf inet_aton inet_addr \
	       fchmod mkstemp)

AC_OUTPUT([
Makefile
sylpheed.spec
intl/Makefile
ac/Makefile
po/Makefile.in
libkcc/Makefile
src/version.h
src/Makefile
manual/Makefile
manual/en/Makefile
manual/ja/Makefile
tools/Makefile
])

dnl Output the configuration summary
echo ""
echo "$PACKAGE $VERSION"
echo ""
echo "gdk-pixbuf : $ac_cv_enable_gdk_pixbuf"
echo "gdk_imlib  : $ac_cv_enable_imlib"
echo "GPGME      : $ac_cv_enable_gpgme"
echo "OpenSSL    : $ac_cv_enable_ssl"
echo "JPilot     : $ac_cv_enable_jpilot"
echo "LDAP       : $ac_cv_enable_ldap"
echo "compface   : $ac_cv_enable_compface"
echo "libjconv   : $ac_cv_enable_jconv"
echo "IPv6       : $ac_cv_enable_ipv6"
echo "Pspell     : $ac_cv_enable_pspell"
echo ""
echo "The binary will be installed in $prefix/bin"
echo ""
echo "Configure finished, type 'make' to build."