diff -uNr zile-2.4.14/configure zile-2.4.14.mod/configure
--- zile-2.4.14/configure	2017-10-06 17:28:11.000000000 +0300
+++ zile-2.4.14.mod/configure	2019-08-16 18:37:49.584471922 +0300
@@ -13977,7 +13977,7 @@
           if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then
             if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then
 
-$as_echo "#define USE_POSIX_THREADS_WEAK 1" >>confdefs.h
+#$as_echo "#define USE_POSIX_THREADS_WEAK 1" >>confdefs.h
 
               LIBTHREAD=
               LTLIBTHREAD=
