diff --git a/acinclude.m4 b/acinclude.m4
index 59566d075a..865285cc03 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -555,7 +555,7 @@ fi
 AC_DEFUN(
 [AST_CHECK_PWLIB_VERSION], [
 	if test "${HAS_$2:-unset}" != "unset"; then
-		$2_VERSION=`grep "$2_VERSION" ${$2_INCDIR}/$3 | cut -f2 -d ' ' | sed -e 's/"//g'`
+		$2_VERSION=`grep "$2_VERSION" ${$2_INCDIR}/$3 | sed -e 's/[[[:space:]]]\{1,\}/ /g' | cut -f3 -d ' ' | sed -e 's/"//g'`
 		$2_MAJOR_VERSION=`echo ${$2_VERSION} | cut -f1 -d.`
 		$2_MINOR_VERSION=`echo ${$2_VERSION} | cut -f2 -d.`
 		$2_BUILD_NUMBER=`echo ${$2_VERSION} | cut -f3 -d.`
diff --git a/configure b/configure
index ff4165f309..d86265cf98 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Revision: 135405 .
+# From configure.ac Revision: 136819 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for asterisk 1.6.
 #
@@ -41186,7 +41186,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 	if test "${HAS_PWLIB:-unset}" != "unset"; then
-		PWLIB_VERSION=`grep "PWLIB_VERSION" ${PWLIB_INCDIR}/ptbuildopts.h | cut -f2 -d ' ' | sed -e 's/"//g'`
+		PWLIB_VERSION=`grep "PWLIB_VERSION" ${PWLIB_INCDIR}/ptbuildopts.h | sed -e 's/[[:space:]]\{1,\}/ /g' | cut -f3 -d ' ' | sed -e 's/"//g'`
 		PWLIB_MAJOR_VERSION=`echo ${PWLIB_VERSION} | cut -f1 -d.`
 		PWLIB_MINOR_VERSION=`echo ${PWLIB_VERSION} | cut -f2 -d.`
 		PWLIB_BUILD_NUMBER=`echo ${PWLIB_VERSION} | cut -f3 -d.`
@@ -42134,7 +42134,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 	if test "${HAS_OPENH323:-unset}" != "unset"; then
-		OPENH323_VERSION=`grep "OPENH323_VERSION" ${OPENH323_INCDIR}/openh323buildopts.h | cut -f2 -d ' ' | sed -e 's/"//g'`
+		OPENH323_VERSION=`grep "OPENH323_VERSION" ${OPENH323_INCDIR}/openh323buildopts.h | sed -e 's/[[:space:]]\{1,\}/ /g' | cut -f3 -d ' ' | sed -e 's/"//g'`
 		OPENH323_MAJOR_VERSION=`echo ${OPENH323_VERSION} | cut -f1 -d.`
 		OPENH323_MINOR_VERSION=`echo ${OPENH323_VERSION} | cut -f2 -d.`
 		OPENH323_BUILD_NUMBER=`echo ${OPENH323_VERSION} | cut -f3 -d.`