--- doomlegacy-1.40/doomlegacy_142_src/linux_x/i_sound.c.orig	Fri Mar  7 22:14:51 2003
+++ doomlegacy-1.40/doomlegacy_142_src/linux_x/i_sound.c	Fri Mar  7 22:18:30 2003
@@ -88,6 +88,7 @@
 #include <sys/filio.h>
 #endif
 
+#include <errno.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
@@ -262,7 +262,6 @@
 void myioctl(int fd, int command, int *arg)
 {
     int rc;
-    extern int errno;
 
     rc = ioctl(fd, command, arg);
     if (rc < 0)
--- doomlegacy-1.40/doomlegacy_142_src/linux_x/sndserv/linux.c.orig	Sun Sep 22 00:35:57 2002
+++ doomlegacy-1.40/doomlegacy_142_src/linux_x/sndserv/linux.c	Fri Mar  7 22:22:26 2003
@@ -39,6 +39,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
@@ -67,7 +68,6 @@
   int*  arg )
 {   
     int         rc;
-    extern int  errno;
     
     rc = ioctl(fd, command, arg);  
     if (rc < 0)