diff -ur z88dk/src/copt/copt.c z88dk-64bit/src/copt/copt.c

--- z88dk/src/copt/copt.c	2002-09-15 19:10:07.000000000 +0200

+++ z88dk-64bit/src/copt/copt.c	2012-11-06 23:40:53.000000000 +0100

@@ -507,12 +507,12 @@

 		/* check for activation rules */

 		if (o->o_new && strcmp(o->o_new->l_text, "%activate\n") == 0) {

 			/* we have to prevent repeated activation of rules */

-			char signature[160];

+			char signature[240];

 			struct lnode *lnp;

 			struct onode *nn, *last;

 			int skip = 0;

 			/* since we 'install()' strings, we can compare pointers */

-			sprintf(signature, "%s%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",

+			sprintf(signature, (sizeof(char*)>4)?"%s%016lx%016lx%016lx%016lx%016lx%016lx%016lx%016lx%016lx%016lx\n":"%s%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx%08lx\n",

 				activated,

 				vars[0], vars[1], vars[2], vars[3], vars[4],

 				vars[5], vars[6], vars[7], vars[8], vars[9]);

diff -ur z88dk/src/sccz80/io.c z88dk-64bit/src/sccz80/io.c

--- z88dk/src/sccz80/io.c	2009-06-21 23:16:52.000000000 +0200

+++ z88dk-64bit/src/sccz80/io.c	2012-11-06 23:40:53.000000000 +0100

@@ -334,7 +334,7 @@

 }

-void outdec(long number)

+void outdec(int number)

 {

         if ( number < 0 ) {

 		number=-number;

@@ -344,7 +344,7 @@

         outd2(number);

 }

-void outd2(long n)

+void outd2(int n)

 {

         if ( n > 9 ) {

                 outd2(n/10) ;

diff -ur z88dk/src/sccz80/io.h z88dk-64bit/src/sccz80/io.h

--- z88dk/src/sccz80/io.h	2009-06-21 23:16:52.000000000 +0200

+++ z88dk-64bit/src/sccz80/io.h	2012-11-06 23:40:53.000000000 +0100

@@ -26,8 +26,8 @@

 extern void ol(char *ptr);

 extern void ot(char *ptr);

 extern void blanks(void);

-extern void outdec(long number);

-extern void outd2(long n);

+extern void outdec(int number);

+extern void outd2(int n);

 extern void queuelabel(int);

 typedef struct {

diff -ur z88dk/src/sccz80/primary.c z88dk-64bit/src/sccz80/primary.c

--- z88dk/src/sccz80/primary.c	2009-09-06 20:58:37.000000000 +0200

+++ z88dk-64bit/src/sccz80/primary.c	2012-11-06 23:42:18.000000000 +0100

@@ -739,7 +739,7 @@

 	SYMBOL  *ptr;

     char    temp_type;

     int     itag;

-    char    nam[20];

+    char    nam[24];

diff -ur z88dk/src/z80asm/config.h z88dk-64bit/src/z80asm/config.h

--- z88dk/src/z80asm/config.h	2012-05-25 04:00:28.000000000 +0200

+++ z88dk-64bit/src/z80asm/config.h	2012-11-06 23:40:53.000000000 +0100

@@ -150,6 +150,12 @@

 #define MAXCODESIZE 65536

 #endif

+#ifdef __linux__

+#include <endian.h>

+#if __BYTE_ORDER == __BIG_ENDIAN

+#define ENDIAN 1

+#endif

+#else

 /* Some clever config-ing if we're using GNUC */

 #ifdef __BIG_ENDIAN__

 /* Sadly the compiler on OS-X falls over with the #if below... */

@@ -161,6 +167,7 @@

 #endif

 #endif  /* __GNUC__ */

 #endif

+#endif

 /* File name extension separator */

 #ifdef QDOS

diff -ur z88dk/src/z80asm/options.c z88dk-64bit/src/z80asm/options.c

--- z88dk/src/z80asm/options.c	2012-11-04 04:00:45.000000000 +0100

+++ z88dk-64bit/src/z80asm/options.c	2012-11-06 23:40:53.000000000 +0100

@@ -395,7 +395,7 @@

     else if ( *flagid == 'r' )

     {

-        sscanf( flagid + 1, "%x", &EXPLICIT_ORIGIN );

+        sscanf( flagid + 1, "%lx", &EXPLICIT_ORIGIN );

         deforigin = ON;         /* explicit origin has been defined */

     }