--- gcc/config/arm/xm-arm.h	2018/04/24 18:16:10	1.1.1.2
+++ gcc/config/arm/xm-arm.h	2018/04/24 18:22:23	1.1.1.3
@@ -62,6 +62,12 @@ the Free Software Foundation, 675 Mass A
 #define SUCCESS_EXIT_CODE 0
 #define FATAL_EXIT_CODE 33
 
+/* If we have defined POSIX, but are compiling in the BSD environment, then
+   we need to define getcwd in terms of getwd.  */
+#if defined (POSIX) && defined (_BSD_C)
+#define HAVE_GETWD 1
+#endif
+
 /* EOF xm-arm.h */