X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fcore.h;h=efda49bfe74c168c1eea48dec213d3773afaeb55;hb=0e35b321b97477bcfedaa1a5aed1fa87d635d262;hp=385d8a61401423b34d8c49de277bfda443979779;hpb=503a50f07740b52908f630b0492cf56556f1a792;p=sbcl.git

diff --git a/src/runtime/core.h b/src/runtime/core.h
index 385d8a6..efda49b 100644
--- a/src/runtime/core.h
+++ b/src/runtime/core.h
@@ -12,6 +12,7 @@
 #ifndef _CORE_H_
 #define _CORE_H_
 
+#include "sbcl.h"
 #include "runtime.h"
 
 struct ndir_entry {
@@ -32,4 +33,11 @@ struct ndir_entry {
 
 extern lispobj load_core_file(char *file);
 
+/* arbitrary string identifying this build, embedded in .core files to
+ * prevent people mismatching a runtime built e.g. with :SB-SHOW
+ * against a .core built without :SB-SHOW (or against various grosser
+ * mismatches, e.g. a .core built with an old version of the code
+ * against a runtime with patches which add new C code) */
+extern unsigned char build_id[];
+
 #endif