diff --git a/cmake/FindAEC.cmake b/cmake/FindAEC.cmake
new file mode 100644
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--- /dev/null
+++ b/cmake/FindAEC.cmake
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+# (C) Copyright 2011- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
+
+# - Try to find AEC (Adaptive Entropy Coding library)
+# See https://www.dkrz.de/redmine/projects/aec/wiki
+
+# Once done this will define
+#  AEC_FOUND        - System has AEC
+#  AEC_INCLUDE_DIRS - The AEC include directories
+#  AEC_LIBRARIES    - The libraries needed to use AEC
+#
+# The following paths will be searched with priority if set in CMake or env
+#
+#  AEC_DIR          - prefix path of the AEC installation
+#  AEC_PATH         - prefix path of the AEC installation
+#  LIBAEC_DIR
+#  libaec_DIR
+#  LIBAEC_PATH
+#  libaec_PATH
+#  libaec_ROOT
+
+find_path( AEC_INCLUDE_DIR libaec.h
+           PATHS ${AEC_DIR} ${AEC_PATH} ${LIBAEC_DIR} ${libaec_DIR} ${LIBAEC_PATH} ${libaec_PATH} ${libaec_ROOT} ENV AEC_DIR ENV AEC_PATH ENV LIBAEC_DIR ENV libaec_DIR ENV LIBAEC_PATH ENV libaec_PATH ENV libaec_ROOT
+           PATH_SUFFIXES include include/aec NO_DEFAULT_PATH )
+find_path( AEC_INCLUDE_DIR libaec.h PATH_SUFFIXES include include/aec )
+
+find_library( AEC_LIBRARY  NAMES aec
+              PATHS ${AEC_DIR} ${AEC_PATH} ${LIBAEC_DIR} ${libaec_DIR} ${LIBAEC_PATH} ${libaec_PATH} ${libaec_ROOT} ENV AEC_DIR ENV AEC_PATH ENV LIBAEC_DIR ENV libaec_DIR ENV LIBAEC_PATH ENV libaec_PATH ENV libaec_ROOT
+              PATH_SUFFIXES lib lib64 lib/aec lib64/aec NO_DEFAULT_PATH )
+find_library( AEC_LIBRARY NAMES aec PATH_SUFFIXES lib lib64 lib/aec lib64/aec )
+
+set( AEC_LIBRARIES    ${AEC_LIBRARY} )
+set( AEC_INCLUDE_DIRS ${AEC_INCLUDE_DIR} )
+
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(AEC  DEFAULT_MSG AEC_LIBRARY AEC_INCLUDE_DIR)
+
+mark_as_advanced(AEC_INCLUDE_DIR AEC_LIBRARY )