abort failed builds instead of soldiering on

diff --git a/jscl.lisp b/jscl.lisp
index 51a6ba6..6350f7c 100644 (file)
--- a/jscl.lisp
+++ b/jscl.lisp
@@ -35,7 +35,11 @@
 (with-compilation-unit ()
   (dolist (input *source*)
     (when (member (cadr input) '(:host :both))
-      (compile-file (source-pathname (car input))))))
+      (let ((fname (source-pathname (car input))))
+        (multiple-value-bind (fasl warn fail) (compile-file fname)
+          (declare (ignore fasl warn))
+          (when fail
+            (error "Compilation of ~A failed." fname)))))))
 
 ;;; Load jscl into the host
 (dolist (input *source*)