/* Generally one should use catch_errors rather than manipulating these
directly. The exception is main(). */
-extern jmp_buf error_return;
-extern jmp_buf quit_return;
+#if defined(HAVE_SIGSETJMP)
+#define SIGJMP_BUF sigjmp_buf
+#define SIGSETJMP(buf) sigsetjmp(buf, 1)
+#define SIGLONGJMP(buf,val) siglongjmp(buf,val)
+#else
+#define SIGJMP_BUF jmp_buf
+#define SIGSETJMP(buf) setjmp(buf)
+#define SIGLONGJMP(buf,val) longjmp(buf,val)
+#endif
+
+extern SIGJMP_BUF error_return;
+extern SIGJMP_BUF quit_return;
extern void print_gdb_version PARAMS ((GDB_FILE *));