Index: src/backend/parser/gram.y
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/parser/gram.y,v
retrieving revision 2.581
diff -c -r2.581 gram.y
*** src/backend/parser/gram.y	13 Mar 2007 00:33:41 -0000	2.581
--- src/backend/parser/gram.y	17 Mar 2007 13:14:40 -0000
***************
*** 62,67 ****
--- 62,71 ----
  #include "utils/numeric.h"
  #include "utils/xml.h"
  
+ /* MSVC does not define __STDC__, but Bison 2.1 generates broken code without it */
+ #ifdef WIN32_ONLY_COMPILER
+ #define __STDC__ 1
+ #endif
  
  /* Location tracking support --- simpler than bison's default */
  #define YYLLOC_DEFAULT(Current, Rhs, N) \
Index: src/backend/bootstrap/bootparse.y
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/bootstrap/bootparse.y,v
retrieving revision 1.88
diff -c -r1.88 bootparse.y
*** src/backend/bootstrap/bootparse.y	13 Mar 2007 00:33:39 -0000	1.88
--- src/backend/bootstrap/bootparse.y	17 Mar 2007 13:14:56 -0000
***************
*** 51,56 ****
--- 51,61 ----
  #include "tcop/dest.h"
  #include "utils/rel.h"
  
+ /* MSVC does not define __STDC__, but Bison 2.1 generates broken code without it */
+ #ifdef WIN32_ONLY_COMPILER
+ #define __STDC__ 1
+ #endif
+ 
  #define atooid(x)	((Oid) strtoul((x), NULL, 10))

  
Index: src/pl/plpgsql/src/gram.y
===================================================================
RCS file: /projects/cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v
retrieving revision 1.99
diff -c -r1.99 gram.y
*** src/pl/plpgsql/src/gram.y	19 Feb 2007 03:18:51 -0000	1.99
--- src/pl/plpgsql/src/gram.y	17 Mar 2007 13:15:11 -0000
***************
*** 18,23 ****
--- 18,27 ----
  
  #include "parser/parser.h"
  
+ /* MSVC does not define __STDC__, but Bison 2.1 generates broken code without it */
+ #ifdef WIN32_ONLY_COMPILER
+ #define __STDC__ 1
+ #endif
  
  static PLpgSQL_expr		*read_sql_construct(int until,
  											int until2,