--- ./gdb/compile/compile.c_orig	2017-11-15 22:30:01 -0600
+++ ./gdb/compile/compile.c	2017-11-15 22:30:37 -0600
@@ -42,6 +42,10 @@
 
 
 
+#if _XOPEN_SOURCE < 700
+	extern "C" char *mkdtemp(char *);
+#endif
+
 /* Initial filename for temporary files.  */
 
 #define TMP_PREFIX "/tmp/gdbobj-"