Fix LP64 problems and patch up some other stuff that appeared while
doing so.


(dholland)

$NetBSD: patch-configure,v 1.1 2012/12/24 01:50:57 dholland Exp $

Disable a highly obsolete configure test that exercises undefined
behavior.

--- configure~	2012-12-24 01:44:27.000000000 +0000
+++ configure
@@ -2789,7 +2789,8 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
+  # disabled 20121222, IRIX 4 is long dead and this test exercises UB.
+  if true; then
   :
 else
   cat >conftest.$ac_ext <<_ACEOF

$NetBSD: patch-main.c,v 1.1 2012/12/24 01:50:57 dholland Exp $

Remove wrong casts.

--- main.c~	2004-02-08 09:41:38.000000000 +0000
+++ main.c
@@ -789,10 +789,10 @@ static int update_crossref(db,rec)		   /
 						   /*			     */
   t = *++hp; t++;				   /*			     */
   (void)sp_open(t);				   /* Try to extract	     */
-  if ( (s = SParseSymbol(&t)) == (Uchar)NULL )	   /*  the crossref as symbol*/
+  if ( (s = SParseSymbol(&t)) == NULL )		   /*  the crossref as symbol*/
   { return 0; }					   /*			     */
 						   /*			     */
-  if ( (s = db_new_key(db,s)) == (Uchar)NULL )	   /*			     */
+  if ( (s = db_new_key(db,s)) == NULL )		   /*			     */
   { ERROR2("Crossref not found: ",(char*)s);	   /*			     */
     return 0;					   /*			     */
   }						   /*			     */

$NetBSD: patch-parse.c,v 1.1 2012/12/24 01:50:58 dholland Exp $

Fix bug handling EOF, detected by gcc.

--- parse.c~	2004-02-08 09:41:45.000000000 +0000
+++ parse.c
@@ -533,13 +533,15 @@ static void parse_number()			   /*			   
 static int parse_string(quotep)			   /*			     */
   int   quotep;				   	   /*			     */
 { Uchar c;					   /*                        */
+  int   c1;					   /*                        */
   int   left;				   	   /*			     */
   int   start_flno = flno;			   /*                        */
 						   /*			     */
   left = 0;					   /*			     */
   if ( quotep ) (void)sbputchar('"',parse_sb);	   /*"			     */
   do						   /*			     */
-  { switch ( c=skip_nl() )			   /*			     */
+  { c=c1=skip_nl();				   /*                        */
+    switch ( c1 )				   /*			     */
     { case EOF:					   /*                        */
 	UnterminatedError("Unterminated double quote",
 			  start_flno);

$NetBSD: patch-regex-0.12_regex.c,v 1.1 2012/12/24 01:50:58 dholland Exp $

Use the right config.h. This package misuses autoconf fairly
extensively, and has its own config.h with its own config in it where
where autoconf packages would normally put autoconf's output config.h.

Also patch up some integer/pointer casts.

--- regex-0.12/regex.c.orig	2000-12-16 09:49:55.000000000 +0000
+++ regex-0.12/regex.c
@@ -30,7 +30,7 @@
 #include <sys/types.h>
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include "bibtool/config.h"
 #endif
 
 /* The `emacs' switch turns on certain matching commands
@@ -65,9 +65,12 @@
 
 #ifdef STDC_HEADERS
 #include <stdlib.h>
+#include <stdint.h>
 #else
 char *malloc ();
 char *realloc ();
+typedef long intptr_t;
+typedef unsigned long uintptr_t;
 #endif
 
 
@@ -2404,10 +2407,10 @@ typedef struct
       }									\
 									\
     DEBUG_PRINT2 ("  Pushing  low active reg: %d\n", lowest_active_reg);\
-    PUSH_FAILURE_ITEM (lowest_active_reg);				\
+    PUSH_FAILURE_ITEM ((uintptr_t)lowest_active_reg);			\
 									\
     DEBUG_PRINT2 ("  Pushing high active reg: %d\n", highest_active_reg);\
-    PUSH_FAILURE_ITEM (highest_active_reg);				\
+    PUSH_FAILURE_ITEM ((uintptr_t)highest_active_reg);			\
 									\
     DEBUG_PRINT2 ("  Pushing pattern 0x%x: ", pattern_place);		\
     DEBUG_PRINT_COMPILED_PATTERN (bufp, pattern_place, pend);		\
@@ -2492,10 +2495,10 @@ typedef struct
   DEBUG_PRINT_COMPILED_PATTERN (bufp, pat, pend);			\
 									\
   /* Restore register info.  */						\
-  high_reg = (unsigned) POP_FAILURE_ITEM ();				\
+  high_reg = (unsigned)(uintptr_t) POP_FAILURE_ITEM ();			\
   DEBUG_PRINT2 ("  Popping high active reg: %d\n", high_reg);		\
 									\
-  low_reg = (unsigned) POP_FAILURE_ITEM ();				\
+  low_reg = (unsigned)(uintptr_t) POP_FAILURE_ITEM ();			\
   DEBUG_PRINT2 ("  Popping  low active reg: %d\n", low_reg);		\
 									\
   for (this_reg = high_reg; this_reg >= low_reg; this_reg--)		\
@@ -3762,7 +3765,7 @@ re_match_2 (bufp, string1, size1, string
                           regstart[r] = old_regstart[r];
 
                           /* xx why this test?  */
-                          if ((int) old_regend[r] >= (int) regstart[r])
+                          if ((intptr_t) old_regend[r] >= (intptr_t) regstart[r])
                             regend[r] = old_regend[r];
                         }     
                     }