Index: build_tools/menuselect-deps.in
===================================================================
--- build_tools/menuselect-deps.in	(revision 266734)
+++ build_tools/menuselect-deps.in	(working copy)
@@ -52,6 +52,7 @@
 SQLITE3=@PBX_SQLITE3@
 SQLITE=@PBX_SQLITE@
 SS7=@PBX_SS7@
+SWIFT=@PBX_SWIFT@
 OPENSSL=@PBX_OPENSSL@
 SUPPSERV=@PBX_SUPPSERV@
 SYSLOG=@PBX_SYSLOG@
Index: configure.ac
===================================================================
--- configure.ac	(revision 266828)
+++ configure.ac	(working copy)
@@ -359,6 +359,7 @@
 AST_OPTION_ONLY([sounds-cache], [SOUNDS_CACHE_DIR], [cached sound tarfiles], [${HOME}/.asterisk_sounds_cache])
 AST_EXT_LIB_SETUP([SPANDSP], [SPANDSP], [spandsp])
 AST_EXT_LIB_SETUP([SS7], [ISDN SS7], [ss7])
+AST_EXT_LIB_SETUP([SWIFT], [Cepstral speech engine], [swift], [], [/opt/swift])
 AST_EXT_LIB_SETUP([OPENR2], [MFR2], [openr2])
 AST_EXT_LIB_SETUP([PWLIB], [PWlib], [pwlib])
 AST_EXT_LIB_SETUP([OPENH323], [OpenH323], [h323])
@@ -1629,6 +1630,8 @@
 
 AST_EXT_LIB_CHECK([SS7], [ss7], [ss7_pollflags], [libss7.h])
 
+AST_EXT_LIB_CHECK([SWIFT], [swift], [swift_event_get_audio], [swift.h], [-lceplang_en -lceplex_us])
+
 AST_EXT_LIB_CHECK([OPENR2], [openr2], [openr2_chan_new], [openr2.h])
 
 if test "${USE_PWLIB}" != "no"; then
Index: autoconf/ast_ext_lib.m4
===================================================================
--- autoconf/ast_ext_lib.m4	(revision 266734)
+++ autoconf/ast_ext_lib.m4	(working copy)
@@ -4,10 +4,11 @@
 # $3 ->	option name, used in --with-$3 or --without-$3 when calling configure.
 # $2 and $4 are just text describing the package (short and long form)
 
-# AST_EXT_LIB_SETUP([package], [short description], [configure option name], [long description])
+# AST_EXT_LIB_SETUP([package], [short description], [configure option name], [long description], [default value])
 
 AC_DEFUN([AST_EXT_LIB_SETUP],
 [
+	$1_DIR="$5"
     $1_DESCRIP="$2"
     $1_OPTION="$3"
     PBX_$1=0
Index: include/asterisk/autoconfig.h.in
===================================================================
--- include/asterisk/autoconfig.h.in	(revision 266828)
+++ include/asterisk/autoconfig.h.in	(working copy)
@@ -782,6 +782,9 @@
 /* Define to 1 if you have the `swapctl' function. */
 #undef HAVE_SWAPCTL
 
+/* Define to 1 if you have the Cepstral speech engine library. */
+#undef HAVE_SWIFT
+
 /* Define to 1 if you have the `sysctl' function. */
 #undef HAVE_SYSCTL
 
Index: makeopts.in
===================================================================
--- makeopts.in	(revision 266734)
+++ makeopts.in	(working copy)
@@ -188,6 +188,9 @@
 SS7_INCLUDE=@SS7_INCLUDE@
 SS7_LIB=@SS7_LIB@
 
+SWIFT_INCLUDE=@SWIFT_INCLUDE@
+SWIFT_LIB=@SWIFT_LIB@
+
 OPENR2_INCLUDE=@OPENR2_INCLUDE@
 OPENR2_LIB=@OPENR2_LIB@