configure.ac

			fi
		fi
	fi 
	if test "${IMAP_TK_DIR}" = "system"; then
		#We will enter here if user specified "system" or if any of above checks failed
		AC_MSG_CHECKING([for system c-client library...])
		CPPFLAGS="${saved_cppflags}"
		LIBS="${saved_libs}"
		imap_ldflags=""
		imap_libs="-lc-client"
		imap_include="-DUSE_SYSTEM_IMAP" #Try the imap directory first
		CPPFLAGS="${CPPFLAGS} ${imap_include}"
		LIBS="${LIBS} ${imap_libs} "`echo ${imap_ldflags}`
		AC_LINK_IFELSE(
	    	AC_LANG_PROGRAM(
				[#include <stdio.h>
				#include <imap/c-client.h>
				void mm_searched (MAILSTREAM *stream,unsigned long number)
				{
				}
				void mm_exists (MAILSTREAM *stream,unsigned long number)
				{
				}
				void mm_expunged (MAILSTREAM *stream,unsigned long number)
				{
				}
				void mm_flags (MAILSTREAM *stream,unsigned long number)
				{
				}
				void mm_notify (MAILSTREAM *stream,char *string,long errflg)
				{
				}
				void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
				{
				}
				void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
				{
				}
				void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
				{
				}
				void mm_log (char *string,long errflg)
				{
				}
				void mm_dlog (char *string)
				{
				}
				void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
				{
				}
				void mm_critical (MAILSTREAM *stream)
				{
				}
				void mm_nocritical (MAILSTREAM *stream)
				{
				}
				long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
				{
				}
				void mm_fatal (char *string)
				{
				}],
				[
				MAILSTREAM *foo = mail_open(NULL, "", 0);
				]
			),
			[ac_cv_imap_tk="yes"],
			[ac_cv_imap_tk="no"]
	   	)
		if test "${ac_cv_imap_tk}" = "yes"; then
			AC_LINK_IFELSE(
				AC_LANG_PROGRAM(
					[#include <stdio.h>
					#include <imap/c-client.h>
					void mm_searched (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_exists (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_expunged (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_flags (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_notify (MAILSTREAM *stream,char *string,long errflg)
					{
					}
					void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
					{
					}
					void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
					{
					}
					void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
					{
					}
					void mm_log (char *string,long errflg)
					{
					}
					void mm_dlog (char *string)
					{
					}
					void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
					{
					}
					void mm_critical (MAILSTREAM *stream)
					{
					}
					void mm_nocritical (MAILSTREAM *stream)
					{
					}
					long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
					{
					}
					void mm_fatal (char *string)
					{
					}],
					[
					long check = mail_expunge_full(NULL, "", 0);
					]
				),
				[ac_cv_imap_tk2006="yes"],
				[ac_cv_imap_tk2006="no"]
			)
		else #looking in imap directory didn't work, try c-client
			imap_ldflags=""
			imap_libs="-lc-client"
			imap_include="-DUSE_SYSTEM_CCLIENT"
			CPPFLAGS="${saved_cppflags}"
			LIBS="${saved_libs}"
			CPPFLAGS="${CPPFLAGS} ${imap_include}"
			LIBS="${LIBS} ${imap_libs} "`echo ${imap_ldflags}`
			AC_LINK_IFELSE(
	    		AC_LANG_PROGRAM(
					[#include <stdio.h>
					#include <c-client/c-client.h>
					void mm_searched (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_exists (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_expunged (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_flags (MAILSTREAM *stream,unsigned long number)
					{
					}
					void mm_notify (MAILSTREAM *stream,char *string,long errflg)
					{
					}
					void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
					{
					}
					void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
					{
					}
					void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
					{
					}
					void mm_log (char *string,long errflg)
					{
					}
					void mm_dlog (char *string)
					{
					}
					void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
					{
					}
					void mm_critical (MAILSTREAM *stream)
					{
					}
					void mm_nocritical (MAILSTREAM *stream)
					{
					}
					long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
					{
					}
					void mm_fatal (char *string)
					{
					}],
					[
					MAILSTREAM *foo = mail_open(NULL, "", 0);
					]
				),
				[ac_cv_imap_tk="yes"],
				[ac_cv_imap_tk="no"]
	   		)
			if test "${ac_cv_imap_tk}" = "yes"; then
				AC_LINK_IFELSE(
					AC_LANG_PROGRAM(
						[#include <stdio.h>
						#include <c-client/c-client.h>
						void mm_searched (MAILSTREAM *stream,unsigned long number)
						{
						}
						void mm_exists (MAILSTREAM *stream,unsigned long number)
						{
						}
						void mm_expunged (MAILSTREAM *stream,unsigned long number)
						{
						}
						void mm_flags (MAILSTREAM *stream,unsigned long number)
						{
						}
						void mm_notify (MAILSTREAM *stream,char *string,long errflg)
						{
						}
						void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
						{
						}
						void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
						{
						}
						void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
						{
						}
						void mm_log (char *string,long errflg)
						{
						}
						void mm_dlog (char *string)
						{
						}
						void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
						{
						}
						void mm_critical (MAILSTREAM *stream)
						{
						}
						void mm_nocritical (MAILSTREAM *stream)
						{
						}
						long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
						{
						}
						void mm_fatal (char *string)
						{
						}],
						[
						long check = mail_expunge_full(NULL, "", 0);
						]
					),
					[ac_cv_imap_tk2006="yes"],
					[ac_cv_imap_tk2006="no"]
				)
			fi
		fi
	fi
	if test "${ac_cv_imap_tk}" = "yes"; then
		AC_MSG_RESULT(yes)
		IMAP_TK_LIB="${imap_libs} "`echo ${imap_ldflags}`
		IMAP_TK_INCLUDE="${imap_include}"
		PBX_IMAP_TK=1
		AC_DEFINE([HAVE_IMAP_TK], 1, [Define if your system has the UW IMAP Toolkit c-client library.])
		if test "${ac_cv_imap_tk2006}" = "yes"; then
			AC_DEFINE([HAVE_IMAP_TK2006], 1, [Define if your system has the UW IMAP Toolkit c-client library version 2006 or greater.])
		fi
	else
		AC_MSG_RESULT(no) 
	fi
	CPPFLAGS="${saved_cppflags}"
	LIBS="${saved_libs}"
fi

AST_EXT_LIB_CHECK([IODBC], [iodbc], [SQLConnect], [sql.h], [-lpthread])

AST_EXT_LIB_CHECK([JACK], [jack], [jack_activate], [jack/jack.h])

# Needed by unixodbc
AST_EXT_LIB_CHECK([LTDL], [ltdl], [lt_dlinit], [ltdl.h], [])

AST_EXT_LIB_CHECK([LDAP], [ldap], [ldap_initialize], [ldap.h])

AC_ARG_ENABLE([xmldoc],
	[AS_HELP_STRING([--disable-xmldoc],
		[Explicity disable XML documentation])],
	[case "${enableval}" in
		y|ye|yes) disable_xmldoc=no ;;
		n|no)  disable_xmldoc=yes ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --disable-xmldoc)  ;;
	esac], [disable_xmldoc=no])

if test "${disable_xmldoc}" != "yes"; then
	AST_EXT_TOOL_CHECK([LIBXML2], [xml2], , ,
	[#include <libxml/tree.h>
	#include <libxml/parser.h>],
	[LIBXML_TEST_VERSION])
	if test "${PBX_LIBXML2}" != 1; then
		AC_MSG_NOTICE(*** XML documentation will not be available because the 'libxml2' development package is missing.)
		AC_MSG_NOTICE(*** Please run the 'configure' script with the '--disable-xmldoc' parameter option)
		AC_MSG_NOTICE(*** or install the 'libxml2' development package.)
		exit 1
	fi
fi

AST_EXT_LIB_CHECK([MISDN], [mISDN], [mISDN_open], [mISDNuser/mISDNlib.h])

if test "${PBX_MISDN}" = 1; then
   AST_EXT_LIB_CHECK([ISDNNET], [isdnnet], [init_manager], [mISDNuser/isdn_net.h], [-lmISDN -lpthread])
   AST_EXT_LIB_CHECK([SUPPSERV], [suppserv], [encodeFac], [mISDNuser/suppserv.h])
   AST_C_DEFINE_CHECK([MISDN_FAC_RESULT], [Fac_RESULT], [mISDNuser/suppserv.h])
   AST_C_DEFINE_CHECK([MISDN_FAC_ERROR], [Fac_ERROR], [mISDNuser/suppserv.h])
   AC_CHECK_HEADER([linux/mISDNdsp.h], [AC_DEFINE_UNQUOTED([MISDN_1_2], 1, [Build chan_misdn for mISDN 1.2 or later.])])
fi

AST_EXT_LIB_CHECK([NBS], [nbs], [nbs_connect], [nbs.h])

AST_EXT_LIB_CHECK([NCURSES], [ncurses], [initscr], [curses.h])

AST_EXT_TOOL_CHECK([NETSNMP], [net-snmp], , [--agent-libs],
[#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>],
[int callback = snmp_register_callback(0, 0, NULL, NULL)])

AST_EXT_LIB_CHECK([NEWT], [newt], [newtBell], [newt.h])

AST_EXT_LIB_CHECK([UNIXODBC], [odbc], [SQLConnect], [sql.h], [])

PBX_ODBC=0
if test "$PBX_IODBC" = "1" -o "$PBX_UNIXODBC" = "1"; then
   PBX_ODBC=1
fi
AC_SUBST(PBX_ODBC)

AST_EXT_LIB_CHECK([OGG], [ogg], [ogg_sync_init], [])

# Non-glibc platforms require libexecinfo for backtrace support
AST_EXT_LIB_CHECK([BKTR], [execinfo], [backtrace], [execinfo.h])
# Linux, however, has backtrace directly in glibc
AST_EXT_LIB_CHECK([BKTR], [c], [backtrace], [execinfo.h])

# possible places for oss definitions
AST_EXT_LIB_CHECK([OSS], [ossaudio], [], [linux/soundcard.h])
AST_EXT_LIB_CHECK([OSS], [ossaudio], [], [sys/soundcard.h])
AST_EXT_LIB_CHECK([OSS], [ossaudio], [oss_ioctl_mixer], [soundcard.h])

PG_CONFIG=No
if test "${USE_PGSQL}" != "no"; then	
   if test "x${PGSQL_DIR}" != "x"; then
      AC_PATH_TOOL([PG_CONFIG], [pg_config], No, [${PGSQL_DIR}/bin])
      if test x"${PG_CONFIG}" = xNo; then
         AC_MSG_NOTICE([***])
         AC_MSG_NOTICE([*** pg_config was not found in the path you specified:])
         AC_MSG_NOTICE([*** ${PGSQL_DIR}/bin])
         AC_MSG_NOTICE([*** Either correct the installation, or run configure])
         AC_MSG_NOTICE([*** including --without-postgres])
         exit 1
      fi
   else
      AC_PATH_TOOL([PG_CONFIG], [pg_config], No)
   fi
fi
if test "${PG_CONFIG}" != No; then
   PGSQL_libdir=`${PG_CONFIG} --libdir`
   PGSQL_includedir=`${PG_CONFIG} --includedir`
   if test "x$?" != "x0" ; then
      if test -n "${PGSQL_MANDATORY}" ; then
         AC_MSG_NOTICE([***])
         AC_MSG_NOTICE([*** The PostgreSQL installation on this system appears to be broken.])
         AC_MSG_NOTICE([*** Either correct the installation, or run configure])
         AC_MSG_NOTICE([*** including --without-postgres])
         exit 1
	  fi
   else 
      AC_CHECK_LIB([pq], [PQescapeStringConn], AC_DEFINE_UNQUOTED([HAVE_PGSQL], 1,
      [Define to indicate the PostgreSQL library]), [], -L${PGSQL_libdir} -lz)

      if test "${ac_cv_lib_pq_PQescapeStringConn}" = "yes"; then
         PGSQL_LIB="-L${PGSQL_libdir} -lpq -lz"
         PGSQL_INCLUDE="-I${PGSQL_includedir}"
         PBX_PGSQL=1
      elif test -n "${PGSQL_MANDATORY}";
      then
         AC_MSG_NOTICE([***])
         AC_MSG_NOTICE([*** The PostgreSQL installation on this system appears to be broken.])
         AC_MSG_NOTICE([*** Either correct the installation, or run configure])
         AC_MSG_NOTICE([*** including --without-postgres])
         exit 1
      fi
   fi
fi

AST_EXT_LIB_CHECK([POPT], [popt], [poptStrerror], [popt.h])

AST_EXT_LIB_CHECK([PORTAUDIO], [portaudio], [Pa_GetDeviceCount], [portaudio.h])

AST_EXT_LIB_CHECK([PRI], [pri], [pri_new_bri], [libpri.h])

AST_EXT_LIB_CHECK([PRI_PROG_W_CAUSE], [pri], [pri_progress_with_cause], [libpri.h])

AST_EXT_LIB_CHECK([PRI_INBANDDISCONNECT], [pri], [pri_set_inbanddisconnect], [libpri.h])

AST_EXT_LIB_CHECK([RESAMPLE], [resample], [resample_open], [libresample.h], [-lm])

AST_C_COMPILE_CHECK([SPANDSP], [
		#if SPANDSP_RELEASE_DATE < 20080516
		#error "spandsp 0.0.5 or greater is required"
		#endif
	], [spandsp/version.h], , [minimum version of SpanDSP])

if test "x${PBX_SPANDSP}" = "x1" ; then
	# We found the correct version in the header, now let's make sure it links
	# properly, and that libtiff is available
	PBX_SPANDSP=0
	AST_EXT_LIB_CHECK([SPANDSP], [spandsp], [span_set_message_handler], [spandsp.h], [-ltiff])
fi

if test "x${PBX_SPANDSP}" = "x1" ; then
	# We also need t38_terminal_init()
	PBX_SPANDSP=0
	AST_EXT_LIB_CHECK([SPANDSP], [spandsp], [t38_terminal_init], [spandsp.h], [-ltiff])
fi

if test "x${PBX_SPANDSP}" = "x1" ; then
	AC_CHECK_HEADER([spandsp/expose.h], [AC_DEFINE_UNQUOTED([HAVE_SPANDSP_EXPOSE_H], 1, [Define to 1 if spandsp/expose.h is available.])], [], [#include <spandsp.h>])
fi

AST_EXT_LIB_CHECK([SS7], [ss7], [ss7_pollflags], [libss7.h])

if test "${USE_PWLIB}" != "no"; then
	if test -n "${PWLIB_DIR}"; then
		PWLIBDIR="${PWLIB_DIR}"
	fi
	AST_CHECK_PWLIB()
	AST_CHECK_PWLIB_VERSION([PWLib], [PWLIB], [ptbuildopts.h], [1], [9], [2])
		
	if test "${HAS_PWLIB:-unset}" != "unset"; then
		AST_CHECK_PWLIB_PLATFORM()

		PLATFORM_PWLIB="pt_${PWLIB_PLATFORM}_r"

		AST_CHECK_PWLIB_BUILD([PWLib], [PWLIB],
			[Define if your system has the PWLib libraries.],
			[#include "ptlib.h"],
			[BOOL q = PTime::IsDaylightSavings();])
	fi
fi

if test "${PBX_PWLIB}" = "1" -a "${USE_OPENH323}" != "no" ; then
	if test -n "${OPENH323_DIR}"; then
		OPENH323DIR="${OPENH323_DIR}"
	fi
	AST_CHECK_OPENH323()
	AST_CHECK_PWLIB_VERSION([OpenH323], [OPENH323], [openh323buildopts.h], [1], [17], [3])
	AST_CHECK_OPENH323_BUILD()
	PLATFORM_OPENH323="h323_${PWLIB_PLATFORM}_${OPENH323_SUFFIX}"
	AST_CHECK_PWLIB_BUILD([OpenH323], [OPENH323],
		[Define if your system has the OpenH323 libraries.],
		[#include "ptlib.h"
		#include "h323.h"
		#include "h323ep.h"],
		[H323EndPoint ep = H323EndPoint();],
		[${PWLIB_INCLUDE}], [${PWLIB_LIB}])
fi

AST_EXT_LIB_CHECK([LUA], [lua5.1], [luaL_newstate], [lua5.1/lua.h]) 

AST_EXT_LIB_CHECK([RADIUS], [radiusclient-ng], [rc_read_config], [radiusclient-ng.h])

# This is a bit complex... in reality, Asterisk's AIS support is dependent on finding
# *any* implementation of AIS, not just OpenAIS. However, the configure script needs
# to know the specifics of each possible implementation, and then represent the one
# that was found as 'AIS'.

PBX_AIS=0

# OpenAIS installs its libraries into /usr/lib/openais by default, so check there

AST_EXT_LIB_CHECK([OPENAIS], [SaClm], [saClmInitialize], [openais/saClm.h], [-L/usr/lib/openais -L/usr/lib64/openais])

if test "${PBX_OPENAIS}" = 1; then
   PBX_AIS=1
   if test -n "${OPENAIS_DIR}"; then
      AIS_INCLUDE="${OPENAIS_INCLUDE}/openais"
      AIS_LIB="-lSaEvt ${OPENAIS_LIB}"
   else
      AIS_INCLUDE="-I/usr/include/openais"
      AIS_LIB="-lSaClm -lSaEvt -L/usr/lib/openais -L/usr/lib64/openais"
   fi
fi

AC_SUBST(PBX_AIS)
AC_SUBST(AIS_INCLUDE)
AC_SUBST(AIS_LIB)

AST_EXT_LIB_CHECK([SPEEX], [speex], [speex_encode], [speex/speex.h], [-lm])

# See if the main speex library contains the preprocess functions
AST_EXT_LIB_CHECK([SPEEX_PREPROCESS], [speex], [speex_preprocess_ctl], [speex/speex.h], [-lm])
if test "${PBX_SPEEX_PREPROCESS}" = 1; then
   PBX_SPEEX_PREPROCESS=1
fi

AST_EXT_LIB_CHECK([SPEEXDSP], [speexdsp], [speex_preprocess_ctl], [speex/speex.h], [-lm])
if test "${PBX_SPEEXDSP}" = 1; then
   PBX_SPEEX_PREPROCESS=1
fi

AC_SUBST(PBX_SPEEX_PREPROCESS)

AST_EXT_LIB_CHECK([SQLITE], [sqlite], [sqlite_exec], [sqlite.h])

AST_EXT_LIB_CHECK([SQLITE3], [sqlite3], [sqlite3_open], [sqlite3.h])

AST_EXT_LIB_CHECK([CRYPTO], [crypto], [AES_encrypt], [openssl/aes.h])

if test "$PBX_CRYPTO" = "1";
then
    AST_EXT_LIB_CHECK([OPENSSL], [ssl], [ssl2_connect], [openssl/ssl.h], [-lcrypto])
fi

if test "$PBX_OPENSSL" = "1";
then
    AST_EXT_LIB_CHECK([OSPTK], [osptk], [OSPPCryptoDecrypt], [osp/osp.h], [-lcrypto -lssl])
fi

AST_EXT_TOOL_CHECK([GMIME], [gmime], [], [], [#include <gmime/gmime.h>], [gboolean q = g_mime_check_version(0,0,0);])

AST_EXT_LIB_CHECK([HOARD], [hoard], [malloc], [])

AST_EXT_LIB_CHECK([FREETDS], [sybdb], [dbinit], [sybdb.h])

AST_EXT_LIB_CHECK([TERMCAP], [termcap], [tgetent], [])

AST_EXT_LIB_CHECK([TINFO], [tinfo], [tgetent], [])

AC_CHECK_LIB([tonezone], [tone_zone_find_by_num], tonezone_does_not_need_lm=yes, tonezone_does_not_need_lm=no)

if test "${tonezone_does_not_need_lm}" = "no" ; then
  tonezone_extra="-lm"
fi

AST_EXT_LIB_CHECK([TONEZONE], [tonezone], [tone_zone_find], [dahdi/tonezone.h], [${tonezone_extra} ${DAHDI_INCLUDE}])

AST_EXT_LIB_CHECK([USB], [usb], [usb_init], [usb.h], [])

if test "${OSARCH}" = "OpenBSD";
then
	AST_EXT_LIB_CHECK([VORBIS], [vorbis], [vorbis_info_init], [vorbis/codec.h], [-lm -lvorbisenc -logg])
else
	AST_EXT_LIB_CHECK([VORBIS], [vorbis], [vorbis_info_init], [vorbis/codec.h], [-lm -lvorbisenc])
fi

AC_LANG_PUSH(C++)

if test "${USE_VPB}" != "no"; then
   AC_MSG_CHECKING(for vpb_open in -lvpb)
   saved_libs="${LIBS}"
   saved_cppflags="${CPPFLAGS}"
   if test "x${VPB_DIR}" != "x"; then
      if test -d ${VPB_DIR}/lib; then
         vpblibdir=${VPB_DIR}/lib
      else
         vpblibdir=${VPB_DIR}
      fi
      LIBS="${LIBS} -L${vpblibdir}"
      CPPFLAGS="${CPPFLAGS} -I${VPB_DIR}/include"
   fi
   LIBS="${LIBS} -lvpb -lpthread"
   AC_LINK_IFELSE(
	[
	AC_LANG_PROGRAM(
	[#include <vpbapi.h>],
	[int q = vpb_open(0,0);])
	],
	[	AC_MSG_RESULT(yes) 
		ac_cv_lib_vpb_vpb_open="yes" 
	],
	[	AC_MSG_RESULT(no) 
		ac_cv_lib_vpb_vpb_open="no" 
	]
	)
   LIBS="${saved_libs}"
   CPPFLAGS="${saved_cppflags}"
   if test "${ac_cv_lib_vpb_vpb_open}" = "yes"; then
	VPB_LIB="-lvpb"
	if test "${VPB_DIR}" != ""; then
	   VPB_LIB="-L${vpblibdir}  ${VPB_LIB}"
	   VPB_INCLUDE="-I${VPB_DIR}/include"
	fi
	PBX_VPB=1
	AC_DEFINE([HAVE_VPB], 1, [Define if your system has the VoiceTronix API libraries.])
   fi
fi

AC_LANG_POP

AST_EXT_LIB_CHECK([ZLIB], [z], [compress], [zlib.h])

EDITLINE_LIB=""
if test "x$TERMCAP_LIB" != "x" ; then
  EDITLINE_LIB="$TERMCAP_LIB"
elif test "x$TINFO_LIB" != "x" ; then
  EDITLINE_LIB="$TINFO_LIB"
elif test "x$CURSES_LIB" != "x" ; then
  EDITLINE_LIB="$CURSES_LIB"
elif test "x$NCURSES_LIB" != "x" ; then
  EDITLINE_LIB="$NCURSES_LIB"
else
  AC_MSG_ERROR(*** termcap support not found)
fi
AC_SUBST(EDITLINE_LIB)

AC_CHECK_HEADER([h323.h], [PBX_H323=1], [PBX_H323=0])
AC_SUBST(PBX_H323)

AC_CHECK_HEADER([linux/compiler.h],
                [AC_DEFINE_UNQUOTED([HAVE_LINUX_COMPILER_H], 1, [Define to 1 if your system has linux/compiler.h.])])

AC_CHECK_HEADER([linux/ixjuser.h], [PBX_IXJUSER=1], [PBX_IXJUSER=0], [
				   #include <linux/version.h>
				   #ifdef HAVE_LINUX_COMPILER_H
				   #include <linux/compiler.h>
				   #endif
				   ])
AC_SUBST(PBX_IXJUSER)

AST_EXT_TOOL_CHECK([SDL], [sdl])
AST_EXT_LIB_CHECK([SDL_IMAGE], [SDL_image], [IMG_Load], [SDL_image.h], [${SDL_LIB}], [${SDL_INCLUDE}])
AST_EXT_LIB_CHECK([FFMPEG], [avcodec], [sws_getContext], [ffmpeg/avcodec.h], [-lpthread -lz -lm])

# possible places for video4linux version 1
AC_CHECK_HEADER([linux/videodev.h],
	[AC_DEFINE_UNQUOTED([HAVE_VIDEODEV_H], 1, [Define to 1 if your system has linux/videodev.h.])])

# possible places for X11
AST_EXT_LIB_CHECK([X11], [X11], [XOpenDisplay], [X11/Xlib.h],,, [standard_path])
AST_EXT_LIB_CHECK([X11], [X11], [XOpenDisplay], [X11/Xlib.h],, [-I/usr/X11R6/include], [X11R6])

if test "${cross_compiling}" = "no";
then
  AC_CHECK_FILE(/sbin/launchd, AC_DEFINE([HAVE_SBIN_LAUNCHD], 1, [Define to 1 if your system has /sbin/launchd.]))
fi

PBX_GTK=0
AST_EXT_TOOL_CHECK([GTK], [gtk], [--cflags gthread], [--libs gthread])

PBX_GTK2=0
AC_CHECK_TOOL(PKGCONFIG, pkg-config, No)
if test ! "x${PKGCONFIG}" = xNo; then
   GTK2_INCLUDE=$(${PKGCONFIG} gtk+-2.0 --cflags 2>/dev/null)
   GTK2_LIB=$(${PKGCONFIG} gtk+-2.0 --libs)
   PBX_GTK2=1
   AC_DEFINE([HAVE_GTK2], 1, [Define if your system has the GTK2 libraries.])
fi
AC_SUBST(PBX_GTK2)
AC_SUBST(GTK2_INCLUDE)
AC_SUBST(GTK2_LIB)

if test "${USE_CURL}" != "no"; then
   AC_PATH_TOOL([CURL_CONFIG], [curl-config], No)
   if test ! x"${CURL_CONFIG}" = xNo; then
   # check for version
      if test $(printf "%d" 0x$(${CURL_CONFIG} --vernum)) -ge $(printf "%d" 0x070907); then
         CURL_INCLUDE=$(${CURL_CONFIG} --cflags)
         CURL_LIB=$(${CURL_CONFIG} --libs)

         AC_MSG_CHECKING(for curl_version() in curl/curl.h)
         saved_cppflags="${CPPFLAGS}"
         CPPFLAGS="${CPPFLAGS} ${CURL_INCLUDE}"
         AC_COMPILE_IFELSE(
            [AC_LANG_PROGRAM(
                [#include <curl/curl.h>],
                    [curl_version();])
            ],[
                AC_MSG_RESULT(yes)
                ac_cv_curl_h="yes"
            ],[
                AC_MSG_RESULT(no)
                ac_cv_curl_h="no"
            ]
	 )
	 CPPFLAGS="${saved_cppflags}"
         if test "${ac_cv_curl_h}" = "yes"; then
             PBX_CURL=1
             AC_DEFINE([HAVE_CURL], 1, [Define if your system has the curl libraries.])
         fi
      fi
   fi
fi

AC_CONFIG_FILES([build_tools/menuselect-deps makeopts channels/h323/Makefile])
AST_CHECK_MANDATORY

if test -f build_tools/menuselect-deps; then
    # extract old values of all PBX_ variables from menuselect-deps
    # and preserve them so that menuselect can determine whether
    # any previously-met dependencies are no longer met and warn
    # the user appropriately
    while IFS="=:" read var val old_val; do
        eval "PBX_${var}=\${PBX_${var}}:${val}"
    done < build_tools/menuselect-deps
fi

AC_OUTPUT

if test "x${silent}" != "xyes" ; then
echo
echo "               .\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$=..      "
echo "            .\$7\$7..          .7\$\$7:.    "
echo "          .\$\$:.                 ,\$7.7   "
echo "        .\$7.     7\$\$\$\$           .\$\$77  "
echo "     ..\$\$.       \$\$\$\$\$            .\$\$\$7 "
echo "    ..7\$   .?.   \$\$\$\$\$   .?.       7\$\$\$."
echo "   \$.\$.   .\$\$\$7. \$\$\$\$7 .7\$\$\$.      .\$\$\$."
echo " .777.   .\$\$\$\$\$\$77\$\$\$77\$\$\$\$\$7.      \$\$\$,"
echo " \$\$\$~      .7\$\$\$\$\$\$\$\$\$\$\$\$\$7.       .\$\$\$."
echo ".\$\$7          .7\$\$\$\$\$\$\$7:          ?\$\$\$."
echo "\$\$\$          ?7\$\$\$\$\$\$\$\$\$\$I        .\$\$\$7 "
echo "\$\$\$       .7\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$      :\$\$\$. "
echo "\$\$\$       \$\$\$\$\$\$7\$\$\$\$\$\$\$\$\$\$\$\$    .\$\$\$.  "
echo "\$\$\$        \$\$\$   7\$\$\$7  .\$\$\$    .\$\$\$.   "
echo "\$\$\$\$             \$\$\$\$7         .\$\$\$.    "
echo "7\$\$\$7            7\$\$\$\$        7\$\$\$      "
echo " \$\$\$\$\$                        \$\$\$       "
echo "  \$\$\$\$7.                       \$\$  (TM)     "
echo "   \$\$\$\$\$\$\$.           .7\$\$\$\$\$\$  \$\$      "
echo "     \$\$\$\$\$\$\$\$\$\$\$\$7\$\$\$\$\$\$\$\$\$.\$\$\$\$\$\$      "
echo "       \$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$.                "
echo
fi

AC_MSG_NOTICE(Package configured for: )
AC_MSG_NOTICE( OS type  : $host_os)
AC_MSG_NOTICE( Host CPU : $host_cpu)
AC_MSG_NOTICE( build-cpu:vendor:os: $build_cpu : $build_vendor : $build_os :) 
AC_MSG_NOTICE( host-cpu:vendor:os: $host_cpu : $host_vendor : $host_os :) 
if test "${cross_compiling}" = "yes"; then
   AC_MSG_NOTICE( Cross Compilation = YES)
fi