X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fgencgc-alloc-region.h;h=f209205d17ce874de28161f78844e6d9769d0f35;hb=eac461c1f1ca91cfe282c779291d582ed6b336cb;hp=1ec7ed79e50b29576adb9696b005472218bf994d;hpb=b3f99a6af5bfdaa3090ec244bd3348e279ebbbaf;p=sbcl.git

diff --git a/src/runtime/gencgc-alloc-region.h b/src/runtime/gencgc-alloc-region.h
index 1ec7ed7..f209205 100644
--- a/src/runtime/gencgc-alloc-region.h
+++ b/src/runtime/gencgc-alloc-region.h
@@ -3,6 +3,10 @@
 
 #include "gc.h"
 
+#ifndef LISP_FEATURE_GENCGC
+#error "gencgc-alloc-region.h included, but LISP_FEATURE_GENCGC not defined"
+#endif
+
 /* Abstract out the data for an allocation region allowing a single
  * routine to be used for allocation and closing. */
 struct alloc_region {