diff --git a/configure b/configure
index 82cace1bc9..286e5e4c22 100755
--- a/configure
+++ b/configure
@@ -1356,6 +1356,7 @@ fi
 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
 : ${cross_prefix_tricore="tricore-"}
 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
+: ${cross_prefix_cr16c="cr16-c-elf-"}
 
 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}