diff -Nru xrt-202020.2.8.726/debian/changelog xrt-202020.2.8.726/debian/changelog
--- xrt-202020.2.8.726/debian/changelog	2021-05-28 12:19:28.000000000 +0200
+++ xrt-202020.2.8.726/debian/changelog	2021-08-13 11:30:48.000000000 +0200
@@ -1,3 +1,10 @@
+xrt (202020.2.8.726-0ubuntu8) impish; urgency=medium
+
+  * Add OpenCL configuration file (LP: #1939613)
+  * Fix FTBFS with latest impish gcc
+
+ -- Alfonso Sanchez-Beato (email Canonical) <alfonso.sanchez-beato@canonical.com>  Fri, 13 Aug 2021 11:30:48 +0200
+
 xrt (202020.2.8.726-0ubuntu7) impish; urgency=medium
 
   * Fix patches description
diff -Nru xrt-202020.2.8.726/debian/patches/add-missing-header.patch xrt-202020.2.8.726/debian/patches/add-missing-header.patch
--- xrt-202020.2.8.726/debian/patches/add-missing-header.patch	1970-01-01 01:00:00.000000000 +0100
+++ xrt-202020.2.8.726/debian/patches/add-missing-header.patch	2021-08-13 11:30:48.000000000 +0200
@@ -0,0 +1,23 @@
+Description: Add missing header to avoid FTBFS
+ Fix an FTBFS happening now in impish, that is triggered by not
+ including a header in xclbin_parser.h.
+ .
+ xrt (202020.2.8.726-0ubuntu8) impish; urgency=medium
+ .
+   * Add OpenCL configuration file (LP: #1939613)
+   * Fix FTBFS with latest impish gcc
+Author: Alfonso Sanchez-Beato (email Canonical) <alfonso.sanchez-beato@canonical.com>
+Origin: vendor
+Forwarded: no
+Last-Update: 2021-08-13
+
+--- xrt-202020.2.8.726.orig/src/runtime_src/core/common/xclbin_parser.h
++++ xrt-202020.2.8.726/src/runtime_src/core/common/xclbin_parser.h
+@@ -19,6 +19,7 @@
+ 
+ #include "core/common/config.h"
+ #include "xclbin.h"
++#include <limits>
+ #include <string>
+ #include <vector>
+ 
diff -Nru xrt-202020.2.8.726/debian/patches/series xrt-202020.2.8.726/debian/patches/series
--- xrt-202020.2.8.726/debian/patches/series	2021-05-24 15:13:06.000000000 +0200
+++ xrt-202020.2.8.726/debian/patches/series	2021-08-13 11:30:48.000000000 +0200
@@ -1,2 +1,3 @@
 install-zocl-files-if-embedded.patch
 ignore-deprecated-declarations.patch
+add-missing-header.patch
diff -Nru xrt-202020.2.8.726/debian/rules xrt-202020.2.8.726/debian/rules
--- xrt-202020.2.8.726/debian/rules	2021-05-24 15:18:59.000000000 +0200
+++ xrt-202020.2.8.726/debian/rules	2021-08-13 11:30:24.000000000 +0200
@@ -28,4 +28,7 @@
 	then cp -rf src/runtime_src/core/edge/drm/zocl/* $$dkms_folder/driver/zocl/; \
 	fi
 # script end
+# Create configuration file for OpenCL
+	mkdir -p debian/tmp/etc/OpenCL/vendors/
+	echo "libxilinxopencl.so" > debian/tmp/etc/OpenCL/vendors/xilinx.icd
 	dh_install
diff -Nru xrt-202020.2.8.726/debian/xrt-embedded.install xrt-202020.2.8.726/debian/xrt-embedded.install
--- xrt-202020.2.8.726/debian/xrt-embedded.install	2020-10-02 11:23:19.000000000 +0200
+++ xrt-202020.2.8.726/debian/xrt-embedded.install	2021-08-13 11:29:45.000000000 +0200
@@ -1,3 +1,4 @@
+etc/OpenCL/
 usr/bin/
 usr/include/
 usr/lib/