--- gforth/configure.in	2008/10/26 13:28:02	1.259
+++ gforth/configure.in	2008/10/27 22:03:12	1.261
@@ -197,6 +197,7 @@ AC_CANONICAL_HOST
 case "$host_cpu" in
 	arm*)
 		machine=arm
+		$srcdir/mkinstalldirs arch/arm
 		CFLAGS="$CFLAGS -fomit-frame-pointer"
 		if test x$platform = xnxt; then
 		   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
@@ -204,18 +205,18 @@ case "$host_cpu" in
 		if test -z $arm_cacheflush; then
 		   case "$host_os" in
 		     *linux*)
-			arm_cacheflush=arch/arm/cacheflush-linux 
+			AC_LIBOBJ(../arch/arm/cacheflush-linux) 
 			;;
 		     *)   
 			no_dynamic_default=1
-			arm_cacheflush=arch/arm/cacheflush0
+			AC_LIBOBJ(../arch/arm/cacheflush0)
 			AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
 			;;
                    esac
+                else
+                   AC_LIBOBJ(../$arm_cacheflush)
+                   test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
 		fi
-                AC_LIBSOURCES([arch/arm/cacheflush0, dnl
-			       arch/arm/cacheflush-linux])
-                AC_LIBOBJ(../$arm_cacheflush)
                 #longer skipcodes lead to problems on ARM, and it uses
                 #only 4-byte alignment anyway
 		test "$skipcode" || skipcode="nop"