diff --git a/ChangeLog b/ChangeLog
index 73ad168..6d0fb9d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-23  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* configure.ac: Add -lpwl to ppllibs.
+	* configure: Regenerated.
+
 2011-02-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* MAINTAINERS: Add myself as testsuite maintainer.
diff --git a/configure b/configure
index ac7db39..997282f 100755
--- a/configure
+++ b/configure
@@ -5660,8 +5660,9 @@ fi
 
 
 # Check for PPL
-ppllibs=" -lppl_c -lppl -lgmpxx"
+ppllibs=
 pplinc=
+pwllib=
 
 
 # Check whether --with-ppl was given.
@@ -5682,52 +5683,110 @@ if test "${with_ppl_lib+set}" = set; then :
 fi
 
 
+# Check whether --enable-ppl-version-check was given.
+if test "${enable_ppl_version_check+set}" = set; then :
+  enableval=$enable_ppl_version_check;
+fi
+
+
 case $with_ppl in
-  no)
-    ppllibs=
-    ;;
-  "" | yes)
+  yes | no | "")
     ;;
   *)
-    ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
+    ppllibs="-L$with_ppl/lib"
     pplinc="-I$with_ppl/include $pplinc"
+    if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
+      with_ppl=yes
+    else
+      as_fn_error "cannot find directories \"$with_ppl/lib\" or \"$with_ppl/include\"" "$LINENO" 5
+    fi
     ;;
 esac
-if test "x$with_ppl_include" != x; then
+
+if test x"$with_ppl_include" != x; then
   pplinc="-I$with_ppl_include $pplinc"
+  with_ppl=yes
 fi
+
 if test "x$with_ppl_lib" != x; then
-  ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
+  ppllibs="-L$with_ppl_lib"
+  with_ppl=yes
 fi
-if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
-  ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
+
+if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
+  if test x"$enable_watchdog" = xyes; then
+    pwllib="-lpwl"
+  fi
+  ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
   pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
   enable_ppl_version_check=no
+  with_ppl=yes
 fi
 
-# Check whether --enable-ppl-version-check was given.
-if test "${enable_ppl_version_check+set}" = set; then :
-  enableval=$enable_ppl_version_check; ENABLE_PPL_CHECK=$enableval
+if test "x$with_ppl" = xyes; then
+  if test "x$pwllib" = x; then
+    saved_LDFLAGS="$LDFLAGS"
+    LDFLAGS="$LDFLAGS $ppllibs"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PWL_handle_timeout in -lpwl" >&5
+$as_echo_n "checking for PWL_handle_timeout in -lpwl... " >&6; }
+if test "${ac_cv_lib_pwl_PWL_handle_timeout+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpwl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char PWL_handle_timeout ();
+int
+main ()
+{
+return PWL_handle_timeout ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_pwl_PWL_handle_timeout=yes
 else
-  ENABLE_PPL_CHECK=yes
+  ac_cv_lib_pwl_PWL_handle_timeout=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pwl_PWL_handle_timeout" >&5
+$as_echo "$ac_cv_lib_pwl_PWL_handle_timeout" >&6; }
+if test "x$ac_cv_lib_pwl_PWL_handle_timeout" = x""yes; then :
+  pwllib="-lpwl"
 fi
 
+    LDFLAGS="$saved_LDFLAGS"
+  fi
 
-if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
-  saved_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS $pplinc $gmpinc"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.11 (or later revision) of PPL" >&5
-$as_echo_n "checking for version 0.11 (or later revision) of PPL... " >&6; }
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
+
+  if test "$enable_ppl_version_check" != no; then
+    saved_CFLAGS="$CFLAGS"
+    CFLAGS="$CFLAGS $pplinc $gmpinc"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.11 (revision 0 or later) of PPL" >&5
+$as_echo_n "checking for version 0.11 (revision 0 or later) of PPL... " >&6; }
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include "ppl_c.h"
 int
 main ()
 {
 
-  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
-  choke me
-  #endif
+    #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
+    choke me
+    #endif
 
   ;
   return 0;
@@ -5741,7 +5800,8 @@ else
 $as_echo "no" >&6; }; ppllibs= ; pplinc= ; with_ppl=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  CFLAGS="$saved_CFLAGS"
+    CFLAGS="$saved_CFLAGS"
+  fi
 fi
 
 # Flags needed for PPL
diff --git a/configure.ac b/configure.ac
index 9121d65..4fb29c0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1621,8 +1621,9 @@ AC_ARG_WITH(boot-ldflags,
 AC_SUBST(poststage1_ldflags)
 
 # Check for PPL
-ppllibs=" -lppl_c -lppl -lgmpxx"
+ppllibs=
 pplinc=
+pwllib=
 
 AC_ARG_WITH(ppl,
 [AS_HELP_STRING([--with-ppl=PATH],
@@ -1636,45 +1637,65 @@ AC_ARG_WITH(ppl-lib,
 [AS_HELP_STRING([--with-ppl-lib=PATH],
 		[specify directory for the installed PPL library])])
 
-case $with_ppl in 
-  no)
-    ppllibs=
-    ;;
-  "" | yes)
+AC_ARG_ENABLE(ppl-version-check,
+[AS_HELP_STRING([--disable-ppl-version-check],
+		[disable check for PPL version])])
+
+case $with_ppl in
+  yes | no | "")
     ;;
   *)
-    ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
+    ppllibs="-L$with_ppl/lib"
     pplinc="-I$with_ppl/include $pplinc"
+    if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
+      with_ppl=yes
+    else
+      AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
+    fi
     ;;
 esac
-if test "x$with_ppl_include" != x; then
+
+if test x"$with_ppl_include" != x; then
   pplinc="-I$with_ppl_include $pplinc"
+  with_ppl=yes
 fi
+
 if test "x$with_ppl_lib" != x; then
-  ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
+  ppllibs="-L$with_ppl_lib"
+  with_ppl=yes
 fi
-if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
-  ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
+
+if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
+  if test x"$enable_watchdog" = xyes; then
+    pwllib="-lpwl"
+  fi
+  ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
   pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
   enable_ppl_version_check=no
+  with_ppl=yes
 fi
 
-AC_ARG_ENABLE(ppl-version-check,
-[AS_HELP_STRING([--disable-ppl-version-check],
-		[disable check for PPL version])],
-ENABLE_PPL_CHECK=$enableval,
-ENABLE_PPL_CHECK=yes)
+if test "x$with_ppl" = xyes; then
+  if test "x$pwllib" = x; then
+    saved_LDFLAGS="$LDFLAGS"
+    LDFLAGS="$LDFLAGS $ppllibs"
+    AC_CHECK_LIB(pwl,PWL_handle_timeout,[pwllib="-lpwl"])
+    LDFLAGS="$saved_LDFLAGS"
+  fi
 
-if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
-  saved_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS $pplinc $gmpinc"
-  AC_MSG_CHECKING([for version 0.11 (or later revision) of PPL])
-  AC_TRY_COMPILE([#include "ppl_c.h"],[
-  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
-  choke me
-  #endif
-  ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
-  CFLAGS="$saved_CFLAGS"
+  ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
+
+  if test "$enable_ppl_version_check" != no; then
+    saved_CFLAGS="$CFLAGS"
+    CFLAGS="$CFLAGS $pplinc $gmpinc"
+    AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
+    AC_TRY_COMPILE([#include "ppl_c.h"],[
+    #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
+    choke me
+    #endif
+    ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
+    CFLAGS="$saved_CFLAGS"
+  fi
 fi
 
 # Flags needed for PPL
