diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 60181400d2e..54d3194ba21 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,9 @@
+2008-09-10  Tobias Burnus  <burnus@net-b.de>
+	    H. J. Lu  <hongjiu.lu@intel.com>
+
+	* mk-sik-inc.sh: Make -Wunused-variable proof.
+	* mk-srk-inc.sh: Make -Wunused-variable proof.
+
 2008-09-10  Tobias Burnus  <burnus@net-b.de>
 
 	* mk-kinds-h.sh: Make -Wunused-variable proof.
diff --git a/libgfortran/mk-sik-inc.sh b/libgfortran/mk-sik-inc.sh
index 83dcb16999e..68c042f68bc 100755
--- a/libgfortran/mk-sik-inc.sh
+++ b/libgfortran/mk-sik-inc.sh
@@ -7,6 +7,7 @@ c=0
 
 for k in $possible_kinds; do
   echo "  integer (kind=$k) :: x" > tmp$$.f90
+  echo "  x = 1_$k" >> tmp$$.f90
   echo "  end" >> tmp$$.f90
   if $compile -S tmp$$.f90 > /dev/null 2>&1; then
     kinds="$kinds $k"
diff --git a/libgfortran/mk-srk-inc.sh b/libgfortran/mk-srk-inc.sh
index 076c24bb5b7..10c428f02d6 100755
--- a/libgfortran/mk-srk-inc.sh
+++ b/libgfortran/mk-srk-inc.sh
@@ -7,6 +7,7 @@ c=0
 
 for k in $possible_kinds; do
   echo "  real (kind=$k) :: x" > tmp$$.f90
+  echo "  x = 1.0_$k" >> tmp$$.f90
   echo "  end" >> tmp$$.f90
   if $compile -S tmp$$.f90 > /dev/null 2>&1; then
     kinds="$kinds $k"