diff --git a/src/tools/cross-scripts/cross-x86-sparc-bootstrap.lisp b/src/tools/cross-scripts/cross-x86-sparc-bootstrap.lisp
new file mode 100644
index 0000000000000000000000000000000000000000..e7d17c3c23c65bb4159c8c8952d2673702a0cff1
--- /dev/null
+++ b/src/tools/cross-scripts/cross-x86-sparc-bootstrap.lisp
@@ -0,0 +1,4 @@
+;; Cross bootstrap file for cross-compiling from x86 to sparc.
+;; Use this file with the -B option for bin/cross-build-world.sh
+
+(export 'unix::unix-times "UNIX")
\ No newline at end of file