--- DevIL/DevIL/src-IL/CMakeLists.txt.orig	2017-01-02 01:03:56.000000000 +0100
+++ DevIL/DevIL/src-IL/CMakeLists.txt	2023-03-25 10:36:16.647374199 +0100
@@ -58,6 +58,7 @@ source_group("Text Files" FILES ${DevIL_
 
 if(BUILD_SHARED_LIBS)
     add_library(IL SHARED ${DevIL_SRCS} ${DevIL_INC} ${DevIL_RSRC} ${DevIL_TXT})
+    set_target_properties(IL PROPERTIES SOVERSION 1 VERSION 1.8.0)
 else(BUILD_SHARED_LIBS)
     add_library(IL ${DevIL_SRCS} ${DevIL_INC} ${DevIL_RSRC} ${DevIL_TXT})
 endif(BUILD_SHARED_LIBS)
@@ -248,14 +249,14 @@ configure_file( pkgconfig/IL.pc.cmake.in
 
 # Installation
 install (TARGETS IL
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib${LIB_SUFFIX}
+    LIBRARY DESTINATION lib${LIB_SUFFIX}
     RUNTIME DESTINATION bin
 )
 install (FILES ../include/IL/il.h DESTINATION include/IL)
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/IL.pc
-	DESTINATION lib/pkgconfig
+       DESTINATION lib${LIB_SUFFIX}/pkgconfig
 )
 
--- DevIL/DevIL/src-ILU/CMakeLists.txt.orig	2017-01-02 01:03:56.000000000 +0100
+++ DevIL/DevIL/src-ILU/CMakeLists.txt	2023-03-25 10:36:31.683959406 +0100
@@ -44,6 +44,7 @@ source_group("Resource Files" FILES ${IL
 
 # Remove SHARED to create a static library
 add_library(ILU SHARED ${ILU_SRCS} ${ILU_INC} ${ILU_RSRC})
+set_target_properties(ILU PROPERTIES SOVERSION 1 VERSION 1.8.0)
 
 
 ## ILU requires IL
@@ -74,14 +75,17 @@ endif(UNICODE)
 
 # Installation
 install (TARGETS ILU
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib${LIB_SUFFIX}
+    LIBRARY DESTINATION lib${LIB_SUFFIX}
     RUNTIME DESTINATION bin
 )
-install (FILES ../include/IL/ilu.h DESTINATION include/IL)
+install (FILES ../include/IL/ilu.h ../include/IL/ilu_region.h DESTINATION include/IL)
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/ILU.pc
-	DESTINATION lib/pkgconfig
+       DESTINATION lib${LIB_SUFFIX}/pkgconfig
 )
 
+add_executable(ilur ${CMAKE_CURRENT_SOURCE_DIR}/ilur/ilur.c)
+target_link_libraries(ilur ILU IL)
+install (TARGETS ilur DESTINATION bin)
--- DevIL/DevIL/src-ILUT/CMakeLists.txt.orig	2017-01-02 01:03:56.000000000 +0100
+++ DevIL/DevIL/src-ILUT/CMakeLists.txt	2023-03-25 10:36:46.680544829 +0100
@@ -44,6 +44,7 @@ source_group("Resource Files" FILES ${IL
 
 # Remove SHARED to create a static library
 add_library(ILUT SHARED ${ILUT_SRCS} ${ILUT_INC} ${ILUT_RSRC})
+set_target_properties(ILUT PROPERTIES SOVERSION 1 VERSION 1.8.0)
 
 ## add link sub library info
 target_link_libraries(ILUT
@@ -72,14 +73,14 @@ endif(UNICODE)
 
 # Installation
 install (TARGETS ILUT
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib${LIB_SUFFIX}
+    LIBRARY DESTINATION lib${LIB_SUFFIX}
     RUNTIME DESTINATION bin
 )
-install (FILES ../include/IL/ilut.h DESTINATION include/IL)
+install (FILES ../include/IL/ilut.h ../include/IL/devil_cpp_wrapper.hpp DESTINATION include/IL)
 
 install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/ILUT.pc
-	DESTINATION lib/pkgconfig
+       DESTINATION lib${LIB_SUFFIX}/pkgconfig
 )