gentoo-overlay/app-arch/arc/files/arc-5.21p-fno-common.patch

--- a/arc.h
+++ b/arc.h
@@ -129,4 +129,8 @@
 extern u_short	olddate;	/* old archive date stamp */
 extern u_short	oldtime;	/* old archive time stamp */
 extern int      dosquash;	/* squash instead of crunch */
+extern long     stdlen;	/* bytes to read */
+extern u_char   *outbuf;
+extern u_char   *outend;
+extern short    crcval;	/* CRC check value */
 #endif				/* DONT_DEFINE */
--- a/arclzw.c
+++ b/arclzw.c
@@ -58,8 +58,7 @@
 
 extern u_char	*pinbuf;
 u_char		*inbeg, *inend;
-u_char          *outbuf;
-u_char          *outbeg, *outend; 
+u_char          *outbeg;
 
 static int      sp;		/* current stack pointer */
 static int	inflag;
--- a/arcunp.c
+++ b/arcunp.c
@@ -39,8 +39,6 @@
 #define NOHIST 0		/* no relevant history */
 #define INREP 1			/* sending a repeated value */
 
-short    crcval;		/* CRC check value */
-long     stdlen;		/* bytes to read */
 #if	!DOS
 static int	gotcr;		/* got a carriage return? */
 #endif