diff --git a/util/abuild/abuild b/util/abuild/abuild
index ffa16b53f1..a2a428b660 100755
--- a/util/abuild/abuild
+++ b/util/abuild/abuild
@@ -410,6 +410,7 @@ Options:\n"
     [-o|--outdir <path>]          store build results in path
 				  (defaults to $TARGET)
     [-L|--clang]                  Use clang
+    [-K|--kconfig <name>]	  Prepend file to generated Kconfig
     [-x|--chromeos]               Build with CHROMEOS enabled
                                   Skip boards without Chrome OS support
     [-X|--xmlfile <name>]         set JUnit XML log file filename
@@ -456,11 +457,11 @@ cmdline="$* -c 1"
 getoptbrand="`getopt -V`"
 if [ "${getoptbrand:0:6}" == "getopt" ]; then
 	# Detected GNU getopt that supports long options.
-	args=`getopt -l version,verbose,quiet,help,all,target:,payloads:,cpus:,silent,junit,config,loglevel:,remove,prefix:,update,scan-build,ccache,blobs,clang,clean,outdir:,chromeos,xmlfile: -o Vvqhat:p:c:sJCl:rP:uyBLzo:xX: -- "$@"` || exit 1
+	args=`getopt -l version,verbose,quiet,help,all,target:,payloads:,cpus:,silent,junit,config,loglevel:,remove,prefix:,update,scan-build,ccache,blobs,clang,clean,outdir:,chromeos,xmlfile:,kconfig: -o Vvqhat:p:c:sJCl:rP:uyBLzo:xX:K: -- "$@"` || exit 1
 	eval set -- $args
 else
 	# Detected non-GNU getopt
-	args=`getopt Vvqhat:p:c:sJCl:rP:uyBLzo:xX: $*`
+	args=`getopt Vvqhat:p:c:sJCl:rP:uyBLzo:xX:K: $*`
 	set -- $args
 fi
 
@@ -538,6 +539,11 @@ while true ; do
 			configoptions="${configoptions}CONFIG_CHROMEOS=y\n"
 			;;
 		-X|--xmlfile)	shift; XMLFILE=$1; REAL_XMLFILE=$1; shift;;
+		-K|--kconfig)	shift
+			testclass=="$(basename $1 | tr '.' '_' )"
+			customizing="${customizing}, $1 config"
+			configoptions="$(cat "$1")${configoptions}\n"
+			shift;;
 		--)		shift; break;;
 		-*)		printf "Invalid option\n\n"; myhelp; exit 1;;
 		*)		break;;