diff -ruw xfsprogs-3.1.1/configure src/configure
--- xfsprogs-3.1.1/configure	2010-01-29 21:33:34.000000000 +0100
+++ src/configure	2010-03-28 18:54:00.811917962 +0200
@@ -11905,7 +11905,7 @@
 
     cc="$CC"
 
-     if test -z ""$cc""; then
+     if test -z "$cc"; then
         echo
         echo FATAL ERROR: cc does not seem to be installed.
         echo xfsprogs cannot be built without a working C compiler installation.
@@ -12747,11 +12747,6 @@
 
 done
 
-    if test $ac_cv_header_aio_h = no; then
-	echo
-	echo 'FATAL ERROR: could not find a valid <aio.h> header.'
-	exit 1
-    fi
 
 
 for ac_func in lio_listio
@@ -12930,11 +12925,6 @@
 
   LIBS="-lrt $LIBS"
 
-else
-
-	    echo
-	    echo 'FATAL ERROR: could not find a library with lio_listio.'
-	    exit 1
 fi
 
 	librt="-lrt"