--- cp/cp.c
+++ cp/cp.c
@@ -42,8 +42,6 @@ static const char sccsid[] USED = "@(#)cp.sl	1.84 (gritter) 3/4/06";
 
 #include	<sys/types.h>
 #include	<sys/stat.h>
-#include	<sys/socket.h>
-#include	<sys/un.h>
 #include	<sys/time.h>
 #include	<sys/resource.h>
 #include	<fcntl.h>
@@ -427,6 +425,7 @@ fdcopy(const char *src, const struct stat *ssp, const int sfd,
 #endif
 
 #ifdef	__linux__
+#ifdef	O_DIRECT
 	if (!bflag && !Dflag && ssp->st_size > 0) {
 		long long	sent;
 
@@ -436,6 +435,7 @@ fdcopy(const char *src, const struct stat *ssp, const int sfd,
 		if (sent < 0)
 			goto err;
 	}
+#endif
 #endif	/* __linux__ */
 	if (pagesize == 0)
 		if ((pagesize = 4096) < 0)
@@ -702,37 +702,6 @@ symlinkcopy(const char *src, const struct stat *ssp,
 	}
 }
 
-static void
-socketcopy(const char *src, const struct stat *ssp,
-		const char *tgt, const struct stat *dsp)
-{
-	int	fd, addrsz;
-	struct sockaddr_un	addr;
-	size_t	len;
-
-	if (do_unlink(tgt, dsp) != OKAY)
-		return;
-	len = strlen(tgt);
-	memset(&addr, 0, sizeof addr);
-	addr.sun_family = AF_UNIX;
-	addrsz = sizeof addr - sizeof addr.sun_path + len;
-	if ((len >= sizeof addr.sun_path ? errno = ENAMETOOLONG, fd = -1, 1 :
-			(strncpy(addr.sun_path,tgt,sizeof addr.sun_path), 0)) ||
-			(fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0 ||
-			bind(fd, (struct sockaddr *)&addr, addrsz) < 0) {
-		fprintf(stderr, "%s: cannot create socket %s\n%s: %s\n",
-				progname, tgt,
-				progname, strerror(errno));
-		if (fd >= 0)
-			close(fd);
-		errcnt |= 01;
-		return;
-	}
-	close(fd);
-	if (pflag)
-		permissions(tgt, ssp);
-}
-
 static void
 specialcopy(const char *src, const struct stat *ssp,
 		const char *tgt, const struct stat *dsp)
@@ -748,9 +717,6 @@ specialcopy(const char *src, const struct stat *ssp,
 	case S_IFLNK:
 		symlinkcopy(src, ssp, tgt, dsp);
 		break;
-	case S_IFSOCK:
-		socketcopy(src, ssp, tgt, dsp);
-		break;
 	case S_IFDOOR:
 		ignoring("door", src);
 		break;
@@ -1043,7 +1009,7 @@ ln(const char *src, const char *tgt, struct stat *dsp, int level,
 		errcnt |= 01;
 		return;
 	}
-#if (defined (SUS) || defined (S42)) && (defined (__linux__) || defined (__sun))
+#if (defined (SUS) || defined (S42)) && (defined (__linux__) || defined (__sun)) && !defined (__TINYC__)
 	if (sflag == 0) {
 		char	*rpbuf = alloca(PATH_MAX+1);
 		if (realpath(src, rpbuf) == NULL) {