Index: config.auto.h.in
===================================================================
--- config.auto.h.in	(revision 2550)
+++ config.auto.h.in	(revision 2551)
@@ -6,8 +6,6 @@
 /* Define to 1 if you have the <pwd.h> header file. */
 #define HAVE_PWD_H 1
 
-/* Define to 1 if you have the `realpath' function. */
-#define HAVE_REALPATH 1
 
 /* Define to 1 if you have the `rint' function. */
 #define HAVE_RINT 1
@@ -101,6 +99,9 @@
 print {\n\n/* Define to 1 if we should use mkdtemp for creating temp files. */\n}
 print_ternary ?libs/fs/mkdtemp/presents {#define HAVE_MKDTEMP 1} {/* #undef HAVE_MKDTEMP */}
 
+print {\n\n/* Define to 1 if you have the `realpath' function. */\n}
+print_ternary ?libs/fs/realpath/presents {#define HAVE_REALPATH 1} {/* #undef HAVE_REALPATH */}
+
 print {\n\n/* Select which mechanism to use for running child processes. */\n}
 print_ternary ?/target/libs/proc/wait/presents     {#define USE_FORK_WAIT 1} {/* #undef USE_FORK_WAIT */}
 print {\n}