Document CFG_ONLY_GCC

diff --git a/configure b/configure
index 9c44d28b4b3e5d1b59202bb502684f1f3d0230c7..88528291beb42ee8cdb68a3c40ed4921c6b20d66 100755 (executable)
--- a/configure
+++ b/configure
@@ -228,6 +228,7 @@ then
     echo ""
     printf "    %-32s %s\n" "CFG_LLVM_ROOT" "The host LLVM install"
     printf "    %-32s %s\n" "CFG_PREFIX" "The installation prefix"
+    printf "    %-32s %s\n" "CFG_ONLY_GCC" "Prefer gcc to clang for building the runtime"
     echo ""
     exit 0
 fi