--- config.h.in.orig 2010-04-10 21:23:05.000000000 +0200
+++ config.h.in 2016-04-03 21:59:08.170091000 +0200
@@ -268,7 +268,9 @@
#undef _REENTRANT
/* */
+#ifndef __cplusplus
#undef bool
+#endif
/* Define to empty if `const' does not conform to ANSI C. */
#undef const