Tux changes sys_write() declaration, but not on every architecture. Sparc needs
this fix to build.

--- ./arch/sparc/kernel/sys_sunos.c.orig	2004-08-22 15:04:29.000000000 +0200
+++ ./arch/sparc/kernel/sys_sunos.c	2004-08-22 15:04:53.000000000 +0200
@@ -1064,8 +1064,8 @@
 	return ret;
 }
 
-extern asmlinkage ssize_t sys_read(unsigned int fd,char *buf,int count);
-extern asmlinkage ssize_t sys_write(unsigned int fd,char *buf,int count);
+extern asmlinkage ssize_t sys_read(unsigned int fd, char *buf, int count);
+extern asmlinkage ssize_t sys_write(unsigned int fd, const char *buf, int count);
 extern asmlinkage int sys_recv(int fd, void * ubuf, int size, unsigned flags);
 extern asmlinkage int sys_send(int fd, void * buff, int len, unsigned flags);
 extern asmlinkage int sys_accept(int fd, struct sockaddr *sa, int *addrlen);

--- ./arch/sparc64/kernel/sys_sunos32.c.orig	2004-08-22 13:47:29.000000000 +0200
+++ ./arch/sparc64/kernel/sys_sunos32.c	2004-08-22 15:06:09.000000000 +0200
@@ -1214,7 +1214,7 @@
 }
 
 extern asmlinkage ssize_t sys_read(unsigned int fd, char *buf, unsigned long count);
-extern asmlinkage ssize_t sys_write(unsigned int fd, char *buf, unsigned long count);
+extern asmlinkage ssize_t sys_write(unsigned int fd, const char *buf, unsigned long count);
 extern asmlinkage int sys_recv(int fd, void *ubuf, size_t size, unsigned flags);
 extern asmlinkage int sys_send(int fd, void *buff, size_t len, unsigned flags);
 extern asmlinkage int sys_accept(int fd, struct sockaddr *sa, int *addrlen);