Check for declarations of fchdir and fsync. Fixes #800710. Backported to 2.3.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 9df836f..6c0a744 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -96,13 +96,13 @@
/* Define to 1 if you have the `execv' function. */
#undef HAVE_EXECV
-/* Define to 1 if you have the `fchdir' function. */
+/* Define if you have the 'fchdir' function. */
#undef HAVE_FCHDIR
/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H
-/* Define to 1 if you have the `fdatasync' function. */
+/* Define if you have the 'fdatasync' function. */
#undef HAVE_FDATASYNC
/* Define if you have the 'flock' function. */
@@ -126,9 +126,6 @@
/* Define to 1 if you have the `fstatvfs' function. */
#undef HAVE_FSTATVFS
-/* Define to 1 if you have the `fsync' function. */
-#undef HAVE_FSYNC
-
/* Define to 1 if you have the `ftell64' function. */
#undef HAVE_FTELL64
@@ -488,6 +485,9 @@
/* Define if you have the 'symlink' function. */
#undef HAVE_SYMLINK
+/* Define if you have the 'fsync' function. */
+#undef HAVE_SYNC
+
/* Define to 1 if you have the `sysconf' function. */
#undef HAVE_SYSCONF