diff -Nru oath-toolkit-2.6.1/debian/changelog oath-toolkit-2.6.1/debian/changelog
--- oath-toolkit-2.6.1/debian/changelog	2018-06-22 19:48:53.000000000 +0200
+++ oath-toolkit-2.6.1/debian/changelog	2019-02-09 16:39:41.000000000 +0100
@@ -1,3 +1,11 @@
+oath-toolkit (2.6.1-1.3) unstable; urgency=medium
+
+  * Non-maintainer upload.
+  * Use _IO_EOF_SEEN as GNU libc indicator.
+    Closes: #915175
+
+ -- Sascha Steinbiss <address@hidden>  Sat, 09 Feb 2019 16:39:41 +0100
+
 oath-toolkit (2.6.1-1.2) unstable; urgency=medium
 
   * Non-maintainer upload.
diff -Nru oath-toolkit-2.6.1/debian/patches/new-glibc-check.patch oath-toolkit-2.6.1/debian/patches/new-glibc-check.patch
--- oath-toolkit-2.6.1/debian/patches/new-glibc-check.patch	1970-01-01 01:00:00.000000000 +0100
+++ oath-toolkit-2.6.1/debian/patches/new-glibc-check.patch	2019-02-09 16:39:41.000000000 +0100
@@ -0,0 +1,25 @@
+Description: Check _IO_EOF_SEEN instead of _IO_ftrylockfile
+ Needed to get fseeko.c to build with glibc 2.28.
+ Inspired by https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=4af4a4a71827c0bc5e0ec67af23edef4f15cee8e.
+Author: Sascha Steinbiss <address@hidden>
+Last-Update: 2019-02-09
+--- a/liboath/gl/fseeko.c
++++ b/liboath/gl/fseeko.c
+@@ -47,7 +47,7 @@
+ #endif
+ 
+   /* These tests are based on fpurge.c.  */
+-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
++#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+   if (fp->_IO_read_end == fp->_IO_read_ptr
+       && fp->_IO_write_ptr == fp->_IO_write_base
+       && fp->_IO_save_base == NULL)
+@@ -123,7 +123,7 @@
+           return -1;
+         }
+ 
+-#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
++#if defined _IO_EOF_SEEN || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
+       fp->_flags &= ~_IO_EOF_SEEN;
+       fp->_offset = pos;
+ #elif defined __sferror || defined __DragonFly__ || defined __ANDROID__
diff -Nru oath-toolkit-2.6.1/debian/patches/series oath-toolkit-2.6.1/debian/patches/series
--- oath-toolkit-2.6.1/debian/patches/series	2018-04-15 20:19:41.000000000 +0200
+++ oath-toolkit-2.6.1/debian/patches/series	2019-02-09 16:39:41.000000000 +0100
@@ -1 +1,2 @@
 gtkdocize.patch
+new-glibc-check.patch