diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-10-15  Jude Nagurney  <jude@pwan.org>
+	* Released version 0.5.1
+	* Fixed compilation with with err_mv_desc when using libaugeas < 0.9.0
+
 2011-09-11  Jude Nagurney  <jude@pwan.org>
 
 	* Released version 0.5.0
diff --git a/System/Augeas.hs b/System/Augeas.hs
--- a/System/Augeas.hs
+++ b/System/Augeas.hs
@@ -54,10 +54,8 @@
 #ifdef HAS_AUGEAS_SPAN
     , err_no_span
 #endif
-#ifdef HAS_AUGEAS_MV
+#ifdef HAS_AUGEAS_SRUN
     , err_mv_desc
-#endif
-#ifdef HAS_AUGEAS_SUN
     , err_cmd_run
 #endif
                
@@ -279,6 +277,7 @@
 aug_defvar aug_ptr bstr1 maybe_bstr2 = 
 #ifndef HAS_AUGEAS_DEFVAR
                Prelude.error "aug_defvar requires at least augeas version 0.5.0"
+               Prelude.error ((show aug_ptr) ++ (show bstr1) ++ (show maybe_bstr2))  -- stop compiler warning
 #else
                useAsCString bstr1 $ \name -> do
                  ret <- (case maybe_bstr2 of
@@ -329,6 +328,7 @@
 aug_defnode aug_ptr bstr1 bstr2 bstr3 = 
 #ifndef HAS_AUGEAS_DEFNODE
         Prelude.error "aug_defnode requires at least augeas version 0.5.0"
+        Prelude.error ((show aug_ptr) ++ (show bstr1) ++ (show bstr2) ++ (show bstr3))  -- stop compiler warning
 #else
         useAsCString bstr1 $ \name -> do
           useAsCString bstr2 $ \expr -> do
@@ -377,6 +377,7 @@
 aug_get aug_ptr bstr1 = 
 #ifndef HAS_AUGEAS_GET
     Prelude.error "aug_get requires at least augeas version 0.0.1"
+    Prelude.error ((show aug_ptr) ++ (show bstr1))  -- stop compiler warning
 #else
     useAsCString bstr1 $ \path -> do
       alloca $ \value -> do
@@ -427,6 +428,7 @@
 aug_set aug_ptr bs1 bs2 = 
 #ifndef HAS_AUGEAS_SET
     Prelude.error "aug_set requires at least augeas version 0.0.1"
+    Prelude.error ((show aug_ptr) ++ (show bs1) ++ (show bs2))  -- stop compiler warning
 #else
     useAsCString bs1 $ \path -> do
       useAsCString bs2 $ \value -> do
@@ -463,6 +465,7 @@
 aug_setm aug_ptr bstr1 maybe_bstr2 bstr3  =
 #ifndef HAS_AUGEAS_SETM
     Prelude.error "aug_setm requires at least augeas version 0.7.2"
+    Prelude.error ((show aug_ptr) ++ (show bstr1) ++ (show maybe_bstr2) ++ (show bstr3))  -- stop compiler warning
 #else
     useAsCString bstr1 $ \base -> do
       useAsCString bstr3 $ \value -> do
@@ -512,6 +515,7 @@
 aug_span aug_ptr bs1 =
 #ifndef HAS_AUGEAS_SPAN
     Prelude.error "aug_span requires at least augeas version 0.8.0"
+    Prelude.error ((show aug_ptr) ++ (show bs1))  -- stop compiler warning
 #else
     useAsCString bs1 $ \path -> do
       alloca $ \filename -> do
@@ -573,6 +577,7 @@
 aug_insert aug_ptr bs1 bs2 before = 
 #ifndef HAS_AUGEAS_INSERT
     Prelude.error "aug_insert requires at least augeas version 0.0.1"
+    Prelude.error ((show aug_ptr) ++ (show bs1) ++ (show bs2) ++ (show before))  -- stop compiler warning    
 #else
     useAsCString bs1 $ \path -> do
       useAsCString bs2 $ \label -> do
@@ -602,6 +607,7 @@
 aug_rm aug_ptr bs_path = 
 #ifndef HAS_AUGEAS_RM
     Prelude.error "aug_rm requires at least augeas version 0.0.1"
+    Prelude.error ((show aug_ptr) ++ (show bs_path))  -- stop compiler warning    
 #else
     useAsCString bs_path $ \path -> do    
       ret <- c_aug_rm aug_ptr path
@@ -639,6 +645,7 @@
 aug_mv aug_ptr bs_src bs_dst = 
 #ifndef HAS_AUGEAS_MV
         Prelude.error "aug_mv requires at least augeas version 0.3.0"
+        Prelude.error ((show aug_ptr) ++ (show bs_src) ++ (show bs_dst))  -- stop compiler warning    
 #else
         useAsCString bs_src $ \src -> do
           useAsCString bs_dst $ \dst -> do
@@ -689,6 +696,7 @@
 aug_match aug_ptr bs_path = 
 #ifndef HAS_AUGEAS_MATCH
    Prelude.error "aug_match requires at least augeas version 0.0.1"  
+   Prelude.error ((show aug_ptr) ++ (show bs_path))  -- stop compiler warning    
 #else
     useAsCString bs_path $ \path -> do
       alloca $ \matches -> do
@@ -736,6 +744,7 @@
 aug_save aug_ptr = 
 #ifndef HAS_AUGEAS_SAVE
     Prelude.error "aug_save requires at least augeas version 0.0.1"
+    Prelude.error (show aug_ptr)  -- stop compiler warning    
 #else
     do 
       ret <- c_aug_save aug_ptr
@@ -787,6 +796,7 @@
 aug_load aug_ptr = 
 #ifndef HAS_AUGEAS_LOAD
     Prelude.error "aug_load requires at least augeas version 0.5.0"
+    Prelude.error (show aug_ptr)  -- stop compiler warning    
 #else
     do
       ret <- c_aug_load aug_ptr
@@ -834,6 +844,7 @@
 aug_print aug_ptr fptr_out bs_path = 
 #ifndef HAS_AUGEAS_PRINT
    Prelude.error "aug_print requires at least augeas version 0.0.1"
+   Prelude.error ((show aug_ptr) ++ (show fptr_out) ++ (show bs_path))  -- stop compiler warning    
 #else
    useAsCString bs_path $ \path -> do
      out <- handleToCFile fptr_out "w"
@@ -872,7 +883,8 @@
          -> IO (AugRet) -- ^ return value
 aug_srun aug_ptr fptr_out bs_text =
 #ifndef HAS_AUGEAS_SRUN
-  Prelude.error "aug_srun requires at least augeas version 0.9.0"
+ Prelude.error "aug_srun requires at least augeas version 0.9.0"
+ Prelude.error ((show aug_ptr) ++ (show fptr_out) ++ (show bs_text))  -- stop compiler warning
 #else
  useAsCString bs_text $ \text -> do
    out <- handleToCFile fptr_out "w"
@@ -900,6 +912,7 @@
 aug_error aug_ptr = 
 #ifndef HAS_AUGEAS_ERROR
         Prelude.error "aug_error requires at least augeas version 0.6.0"
+        Prelude.error (show aug_ptr)  -- stop compiler warning    
 #else
         do 
           ret <- c_aug_error aug_ptr
@@ -923,6 +936,7 @@
 aug_error_message aug_ptr = 
 #ifndef HAS_AUGEAS_ERROR_MESSAGE
     Prelude.error "aug_error_message requires at least augeas version 0.6.0"
+    Prelude.error (show aug_ptr)  -- stop compiler warning        
 #else
     do
       cstr <- c_aug_error_message aug_ptr
@@ -949,6 +963,7 @@
 aug_error_minor_message aug_ptr = 
 #ifndef HAS_AUGEAS_ERROR_MINOR_MESSAGE
     Prelude.error "aug_error_minor_message requires at least augeas version 0.6.0"
+    Prelude.error (show aug_ptr)  -- stop compiler warning    
 #else
     do
       cstr <- c_aug_error_minor_message aug_ptr
@@ -975,6 +990,7 @@
 aug_error_details aug_ptr = 
 #ifndef HAS_AUGEAS_ERROR_DETAILS
     Prelude.error "aug_error_details requires at least augeas version 0.6.0"
+    Prelude.error (show aug_ptr)  -- stop compiler warning    
 #else
     do 
       cstr <- c_aug_error_details aug_ptr
diff --git a/augeas.cabal b/augeas.cabal
--- a/augeas.cabal
+++ b/augeas.cabal
@@ -1,5 +1,5 @@
 Name: augeas
-Version: 0.5.0
+Version: 0.5.1
 Synopsis:  A Haskell FFI wrapper for the Augeas API
 Description: A Haskell FFI wrapper for the Augeas API
 Author: Jude Nagurney
diff --git a/configure b/configure
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.67 for haskell-augeas 0.5.0.
+# Generated by GNU Autoconf 2.67 for haskell-augeas 0.5.1.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -549,8 +549,8 @@
 # Identity of this package.
 PACKAGE_NAME='haskell-augeas'
 PACKAGE_TARNAME='haskell-augeas'
-PACKAGE_VERSION='0.5.0'
-PACKAGE_STRING='haskell-augeas 0.5.0'
+PACKAGE_VERSION='0.5.1'
+PACKAGE_STRING='haskell-augeas 0.5.1'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1197,7 +1197,7 @@
   # 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 haskell-augeas 0.5.0 to adapt to many kinds of systems.
+\`configure' configures haskell-augeas 0.5.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1258,7 +1258,7 @@
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of haskell-augeas 0.5.0:";;
+     short | recursive ) echo "Configuration of haskell-augeas 0.5.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1343,7 +1343,7 @@
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-haskell-augeas configure 0.5.0
+haskell-augeas configure 0.5.1
 generated by GNU Autoconf 2.67
 
 Copyright (C) 2010 Free Software Foundation, Inc.
@@ -1641,7 +1641,7 @@
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by haskell-augeas $as_me 0.5.0, which was
+It was created by haskell-augeas $as_me 0.5.1, which was
 generated by GNU Autoconf 2.67.  Invocation command line was
 
   $ $0 $@
@@ -5068,7 +5068,7 @@
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by haskell-augeas $as_me 0.5.0, which was
+This file was extended by haskell-augeas $as_me 0.5.1, which was
 generated by GNU Autoconf 2.67.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5121,7 +5121,7 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-haskell-augeas config.status 0.5.0
+haskell-augeas config.status 0.5.1
 configured by $0, generated by GNU Autoconf 2.67,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.65)
-AC_INIT([haskell-augeas],[0.5.0])
+AC_INIT([haskell-augeas],[0.5.1])
 AC_CONFIG_SRCDIR(Setup.hs)
 AC_CONFIG_HEADERS([Config.h])