diff --git a/build-toolchain.sh b/build-toolchain.sh
index 443bced0c5..eeeabd7780 100644
--- a/build-toolchain.sh
+++ b/build-toolchain.sh
@@ -22,11 +22,24 @@ SRC=$(cd `dirname $0` && pwd -P)
 PREFIX=`pwd -P`/toolchain/
 BINUTILS=`pwd -P`/binutils-build
 
+for ARG in $*; do
+	case $ARG in
+		--cmakeonly)
+				CMAKEONLY=true
+			;;
+		*)
+			echo "unknown option $ARG"
+			exit 1
+			;;
+	esac
+done
+
+if [ $CMAKEONLY != true ]; then
+
 # Remove old install tree
 rm -rf toolchain
 mkdir -p toolchain
 
-
 # Build binutils for 68K
 mkdir -p binutils-build
 cd binutils-build
@@ -95,6 +108,8 @@ done
 
 cp $SRC/ImportLibraries/*.a toolchain/powerpc-apple-macos/lib/
 
+fi # CMAKEONLY
+
 # Build host-based components
 mkdir -p build-host
 cd build-host