diff --git a/configure b/configure
index cd2a291e..9e8e0dd2 100644
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59 for libunwind 0.98.5.
+# Generated by GNU Autoconf 2.59 for libunwind 0.99-alpha.
 #
 # Report bugs to <libunwind@linux.hpl.hp.com>.
 #
@@ -423,8 +423,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='libunwind'
 PACKAGE_TARNAME='libunwind'
-PACKAGE_VERSION='0.98.5'
-PACKAGE_STRING='libunwind 0.98.5'
+PACKAGE_VERSION='0.99-alpha'
+PACKAGE_STRING='libunwind 0.99-alpha'
 PACKAGE_BUGREPORT='libunwind@linux.hpl.hp.com'
 
 ac_unique_file="src/mi/backtrace.c"
@@ -962,7 +962,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures libunwind 0.98.5 to adapt to many kinds of systems.
+\`configure' configures libunwind 0.99-alpha to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1029,7 +1029,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of libunwind 0.98.5:";;
+     short | recursive ) echo "Configuration of libunwind 0.99-alpha:";;
    esac
   cat <<\_ACEOF
 
@@ -1173,7 +1173,7 @@ fi
 test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF
-libunwind configure 0.98.5
+libunwind configure 0.99-alpha
 generated by GNU Autoconf 2.59
 
 Copyright (C) 2003 Free Software Foundation, Inc.
@@ -1187,7 +1187,7 @@ cat >&5 <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by libunwind $as_me 0.98.5, which was
+It was created by libunwind $as_me 0.99-alpha, which was
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@
@@ -1913,7 +1913,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='libunwind'
- VERSION='0.98.5'
+ VERSION='0.99-alpha'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -20868,7 +20868,7 @@ fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test x$GCC = xyes -a x$intel_compiler != xyes; then
-  CFLAGS="${CFLAGS} -Wall -Wsign-compare"
+  CFLAGS="${CFLAGS} -fexceptions -Wall -Wsign-compare"
   LIBCRTS="-lgcc"
 fi
 
@@ -20878,8 +20878,8 @@ arch="$target_arch"
 ARCH=`echo $target_arch | tr a-z A-Z`
 
 PKG_MAJOR=0
-PKG_MINOR=98
-PKG_EXTRA=.5
+PKG_MINOR=99
+PKG_EXTRA=-alpha
 PKG_MAINTAINER=libunwind@linux.hpl.hp.com
 
 
@@ -21334,7 +21334,7 @@ _ASBOX
 } >&5
 cat >&5 <<_CSEOF
 
-This file was extended by libunwind $as_me 0.98.5, which was
+This file was extended by libunwind $as_me 0.99-alpha, which was
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -21400,7 +21400,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-libunwind config.status 0.98.5
+libunwind config.status 0.99-alpha
 configured by $0, generated by GNU Autoconf 2.59,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"