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+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+FindDevIL
+---------
+
+
+
+This module locates the developer's image library.
+http://openil.sourceforge.net/
+
+This module sets:
+
+::
+
+   IL_LIBRARIES -   the name of the IL library. These include the full path to
+                    the core DevIL library. This one has to be linked into the
+                    application.
+   ILU_LIBRARIES -  the name of the ILU library. Again, the full path. This
+                    library is for filters and effects, not actual loading. It
+                    doesn't have to be linked if the functionality it provides
+                    is not used.
+   ILUT_LIBRARIES - the name of the ILUT library. Full path. This part of the
+                    library interfaces with OpenGL. It is not strictly needed
+                    in applications.
+   IL_INCLUDE_DIR - where to find the il.h, ilu.h and ilut.h files.
+   DevIL_FOUND    - this is set to TRUE if all the above variables were set.
+                    This will be set to false if ILU or ILUT are not found,
+                    even if they are not needed. In most systems, if one
+                    library is found all the others are as well. That's the
+                    way the DevIL developers release it.
+#]=======================================================================]
+
+# TODO: Add version support.
+# Tested under Linux and Windows (MSVC)
+
+include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+
+find_path(IL_INCLUDE_DIR il.h
+  PATH_SUFFIXES include IL
+  DOC "The path to the directory that contains il.h"
+)
+
+#message("IL_INCLUDE_DIR is ${IL_INCLUDE_DIR}")
+
+find_library(IL_LIBRARIES
+  NAMES IL DEVIL
+  PATH_SUFFIXES libx32 lib64 lib lib32
+  DOC "The file that corresponds to the base il library."
+)
+
+#message("IL_LIBRARIES is ${IL_LIBRARIES}")
+
+find_library(ILUT_LIBRARIES
+  NAMES ILUT
+  PATH_SUFFIXES libx32 lib64 lib lib32
+  DOC "The file that corresponds to the il (system?) utility library."
+)
+
+#message("ILUT_LIBRARIES is ${ILUT_LIBRARIES}")
+
+find_library(ILU_LIBRARIES
+  NAMES ILU
+  PATH_SUFFIXES libx32 lib64 lib lib32
+  DOC "The file that corresponds to the il utility library."
+)
+
+#message("ILU_LIBRARIES is ${ILU_LIBRARIES}")
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(DevIL DEFAULT_MSG
+                                  IL_LIBRARIES ILU_LIBRARIES
+                                  IL_INCLUDE_DIR)
+# provide legacy variable for compatibility
+set(IL_FOUND ${DevIL_FOUND})