###############################
# start SMB_EXT_LIB_GNUTLS
# check for gnutls/gnutls.h and -lgnutls

use_gnutls=yes
AC_ARG_ENABLE(gnutls,
[  --enable-gnutls          Turn on gnutls support (default=yes)],
    [if test x$enable_gnutls = xno; then
        use_gnutls=no
    fi])


if test x$use_gnutls = xyes; then
	SMB_EXT_LIB_FROM_PKGCONFIG(GNUTLS, gnutls, 
							   [SMB_ENABLE_GNUTLS=YES], 
							   [SMB_ENABLE_GNUTLS=NO])
	
	if test x$SMB_ENABLE_GNUTLS = xNO; then
		AC_CHECK_HEADERS(gnutls/gnutls.h)
		AC_CHECK_LIB_EXT(gnutls, GNUTLS_LIBS, gnutls_global_init)
		AC_CHECK_DECL(gnutls_x509_crt_set_version,  
		              [AC_DEFINE(HAVE_GNUTLS_X509_CRT_SET_VERSION,1,gnutls set_version)], [], [
		#include <gnutls/gnutls.h>
		#include <gnutls/x509.h>
		])
		if test x"$ac_cv_header_gnutls_gnutls_h" = x"yes" -a x"$ac_cv_lib_ext_gnutls_gnutls_global_init" = x"yes" -a x"$ac_cv_have_decl_gnutls_x509_crt_set_version" = x"yes";then
			SMB_ENABLE(GNUTLS,YES)
			AC_CHECK_DECL(gnutls_x509_crt_set_subject_key_id,  
			              [AC_DEFINE(HAVE_GNUTLS_X509_CRT_SET_SUBJECT_KEY_ID,1,gnutls subject_key)], [], [
		#include <gnutls/gnutls.h>
		#include <gnutls/x509.h>
		])
		fi
		SMB_EXT_LIB(GNUTLS, $GNUTLS_LIBS)
	fi
	if test x$SMB_ENABLE_GNUTLS = xYES; then
		#Some older versions have a different type name
		AC_CHECK_TYPES([gnutls_datum],,,[#include "gnutls/gnutls.h"])
		AC_CHECK_TYPES([gnutls_datum_t],,,[#include "gnutls/gnutls.h"])
		AC_DEFINE(ENABLE_GNUTLS,1,[Whether we have gnutls support (SSL)])
	fi
fi
# end SMB_EXT_LIB_GNUTLS
###############################