diff --git a/historic/jam/src/builtins.c b/historic/jam/src/builtins.c
index 02ae5908d..9060791b0 100644
--- a/historic/jam/src/builtins.c
+++ b/historic/jam/src/builtins.c
@@ -23,6 +23,7 @@
 # include "compile.h"
 # include "native.h"
 # include "variable.h"
+# include "timestamp.h"
 # include <ctype.h>
 
 /*
@@ -58,7 +59,6 @@ LIST* builtin_system_registry_names( PARSE *parse, FRAME *frame );
 
 int glob( char *s, char *c );
 
-void lol_build( LOL* lol, char** elements );
 void backtrace( FRAME *frame );
 void backtrace_line( FRAME *frame );
 void print_source_line( PARSE* p );
diff --git a/historic/jam/src/lists.h b/historic/jam/src/lists.h
index 8a9079146..590fefc95 100644
--- a/historic/jam/src/lists.h
+++ b/historic/jam/src/lists.h
@@ -91,6 +91,7 @@ void	lol_init( LOL *lol );
 void	lol_free( LOL *lol );
 LIST *	lol_get( LOL *lol, int i );
 void	lol_print( LOL *lol );
+void    lol_build( LOL* lol, char** elements );
 
 #endif
 
diff --git a/historic/jam/src/make1.c b/historic/jam/src/make1.c
index 99b6e5919..470f037fa 100644
--- a/historic/jam/src/make1.c
+++ b/historic/jam/src/make1.c
@@ -60,6 +60,7 @@
 # include "make.h"
 # include "command.h"
 # include "execcmd.h"
+# include "compile.h"
 
 # include <stdlib.h>