diff --git a/bootfiles/19a/boot1-cross.lisp b/bootfiles/19a/boot1-cross.lisp
new file mode 100644
index 0000000000000000000000000000000000000000..72fb0548a641422c5eeb125a30370a9772897ed1
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+++ b/bootfiles/19a/boot1-cross.lisp
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+;;; Simple cross-compile script for bootstrapping the addition of a
+;;; slot to the weak-pointer object.
+
+#+x86
+(load "target:tools/cross-scripts/cross-x86-x86.lisp")
+#+sparc
+(load "target:tools/cross-scripts/cross-sparc-sparc.lisp")