diff --git a/CI/debian-unstable-gcc.cmake b/CI/debian-unstable-gcc.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..f980d425f303308f075a5de1d136fd77aca32f58
--- /dev/null
+++ b/CI/debian-unstable-gcc.cmake
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2005-2019 Centre National d'Etudes Spatiales (CNES)
+#
+# This file is part of Orfeo Toolbox
+#
+#     https://www.orfeo-toolbox.org/
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Configuration options for ubuntu-18.04-gcc-shark-3.1.4
+
+set(site_option
+"opencv_INCLUDE_DIR:PATH=/usr/include
+ OTB_USE_MPI:BOOL=OFF
+ OTB_USE_SHARK:BOOL=OFF
+ ")