Index: ports/sysdeps/unix/sysv/linux/arm/sysdep.h
===================================================================
--- ports/sysdeps/unix/sysv/linux/arm/sysdep.h	(revision 8114)
+++ ports/sysdeps/unix/sysv/linux/arm/sysdep.h	(working copy)
@@ -30,6 +30,11 @@
 
 #include <tls.h>
 
+/* In order to get __set_errno() definition in INLINE_SYSCALL.  */
+#ifndef __ASSEMBLER__
+#include <errno.h>
+#endif
+
 /* For Linux we can use the system call table in the header file
 	/usr/include/asm/unistd.h
    of the kernel.  But these symbols do not follow the SYS_* syntax