diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index dd84d65f8908de76c7f124dba88db6d35ec8890c..12d5ecf181f62a9c4f0dfad7f2a31f94692b8042 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -10,7 +10,7 @@
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.376 2007/02/16 17:07:00 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.377 2007/02/23 21:36:18 momjian Exp $
  *
  *--------------------------------------------------------------------
  */
@@ -3713,6 +3713,10 @@ parse_int(const char *value, int *result, int flags)
 			endptr += 2;
 		}
 
+#if BLCKSZ < 1024
+#error BLCKSZ must be >= 1024
+#endif
+
 		if (used)
 		{
 			switch (flags & GUC_UNIT_MEMORY)
diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h
index fba9ffac2359f2e3fd6952b48091b3c3079ba617..a5b3f98a8eb58fad9d062186669a4595dba9f304 100644
--- a/src/include/pg_config_manual.h
+++ b/src/include/pg_config_manual.h
@@ -6,7 +6,7 @@
  * for developers.	If you edit any of these, be sure to do a *full*
  * rebuild (and an initdb if noted).
  *
- * $PostgreSQL: pgsql/src/include/pg_config_manual.h,v 1.25 2007/02/20 23:49:38 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/pg_config_manual.h,v 1.26 2007/02/23 21:36:19 momjian Exp $
  *------------------------------------------------------------------------
  */
 
@@ -25,10 +25,6 @@
  */
 #define BLCKSZ	8192
 
-#if BLCKSZ < 1024
-#error BLCKSZ must be >= 1024
-#endif
-
 /*
  * RELSEG_SIZE is the maximum number of blocks allowed in one disk
  * file.  Thus, the maximum size of a single file is RELSEG_SIZE *