4 files changed, 10 insertions, 19 deletions
diff --git a/contrib/cube/cube.c b/contrib/cube/cube.c
index b0305ef431d..b9ccad994a8 100644
--- a/contrib/cube/cube.c
+++ b/contrib/cube/cube.c
@@ -26,11 +26,6 @@ PG_MODULE_MAGIC;
 #define ARRPTR(x)  ( (double *) ARR_DATA_PTR(x) )
 #define ARRNELEMS(x)  ArrayGetNItems( ARR_NDIM(x), ARR_DIMS(x))
 
-extern int	cube_yyparse(NDBOX **result);
-extern void cube_yyerror(NDBOX **result, const char *message);
-extern void cube_scanner_init(const char *str);
-extern void cube_scanner_finish(void);
-
 /*
 ** Input/Output routines
 */
diff --git a/contrib/cube/cubedata.h b/contrib/cube/cubedata.h
index 719e43d421c..59c23ded6ac 100644
--- a/contrib/cube/cubedata.h
+++ b/contrib/cube/cubedata.h
@@ -46,3 +46,12 @@ typedef struct NDBOX
 #define DatumGetNDBOX(x)	((NDBOX *) PG_DETOAST_DATUM(x))
 #define PG_GETARG_NDBOX(x)	DatumGetNDBOX(PG_GETARG_DATUM(x))
 #define PG_RETURN_NDBOX(x)	PG_RETURN_POINTER(x)
+
+/* in cubescan.l */
+extern int	cube_yylex(void);
+extern void cube_yyerror(NDBOX **result, const char *message) pg_attribute_noreturn();
+extern void cube_scanner_init(const char *str);
+extern void cube_scanner_finish(void);
+
+/* in cubeparse.y */
+extern int	cube_yyparse(NDBOX **result);
diff --git a/contrib/cube/cubeparse.y b/contrib/cube/cubeparse.y
index 0baee8e1324..33606c741c5 100644
--- a/contrib/cube/cubeparse.y
+++ b/contrib/cube/cubeparse.y
@@ -22,14 +22,9 @@
 #define YYMALLOC palloc
 #define YYFREE   pfree
 
-extern int cube_yylex(void);
-
 static char *scanbuf;
 static int	scanbuflen;
 
-extern int	cube_yyparse(NDBOX **result);
-extern void cube_yyerror(NDBOX **result, const char *message);
-
 static int delim_count(char *s, char delim);
 static NDBOX * write_box(unsigned int dim, char *str1, char *str2);
 static NDBOX * write_point_as_box(char *s, int dim);
diff --git a/contrib/cube/cubescan.l b/contrib/cube/cubescan.l
index 1c2522a2398..4408e28387e 100644
--- a/contrib/cube/cubescan.l
+++ b/contrib/cube/cubescan.l
@@ -4,8 +4,6 @@
  * contrib/cube/cubescan.l
  */
 
-#include "postgres.h"
-
 /* No reason to constrain amount of data slurped */
 #define YY_READ_BUF_SIZE 16777216
 
@@ -24,12 +22,6 @@ static YY_BUFFER_STATE scanbufhandle;
 /* this is now declared in cubeparse.y: */
 /* static char *scanbuf; */
 /* static int	scanbuflen; */
-
-/* flex 2.5.4 doesn't bother with a decl for this */
-int cube_yylex(void);
-
-void cube_scanner_init(const char *str);
-void cube_scanner_finish(void);
 %}
 
 %option 8bit
@@ -60,7 +52,7 @@ float        ({integer}|{real})([eE]{integer})?
 
 %%
 
-void pg_attribute_noreturn
+void
 yyerror(NDBOX **result, const char *message)
 {
 	if (*yytext == YY_END_OF_BUFFER_CHAR)