++++ ./src/include/pg_config_manual.h 2017-03-05 12:52:20.798099131 +0100
+@@ -13,6 +13,8 @@
+ *------------------------------------------------------------------------
+ */
+
++#include <paths.h>
++
+ /*
+ * Maximum length for identifiers (e.g. table names, column names,
+ * function names). Names actually are limited to one less byte than this,
+@@ -124,7 +126,7 @@