diff -Nru DevIL-1.8.0.orig/DevIL/src-IL/CMakeLists.txt DevIL-1.8.0/DevIL/src-IL/CMakeLists.txt
--- DevIL-1.8.0.orig/DevIL/src-IL/CMakeLists.txt	2020-04-16 13:36:56.474000000 +0200
+++ DevIL-1.8.0/DevIL/src-IL/CMakeLists.txt	2020-04-16 13:40:53.687000000 +0200
@@ -249,8 +249,8 @@
 
 # Installation
 install (TARGETS IL
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib64
+    LIBRARY DESTINATION lib64
     RUNTIME DESTINATION bin
 )
 install (FILES ../include/IL/il.h DESTINATION include/IL)
diff -Nru DevIL-1.8.0.orig/DevIL/src-IL/pkgconfig/IL.pc.cmake.in DevIL-1.8.0/DevIL/src-IL/pkgconfig/IL.pc.cmake.in
--- DevIL-1.8.0.orig/DevIL/src-IL/pkgconfig/IL.pc.cmake.in	2020-04-13 04:41:31.000000000 +0200
+++ DevIL-1.8.0/DevIL/src-IL/pkgconfig/IL.pc.cmake.in	2020-04-16 13:41:54.670000000 +0200
@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=${prefix}
 includedir=${prefix}/include
-libdir=${exec_prefix}/lib
+libdir=${exec_prefix}/lib64
 
 Name: IL
 Description: Developer's Image Library - IL part (just image load/save)
diff -Nru DevIL-1.8.0.orig/DevIL/src-ILU/CMakeLists.txt DevIL-1.8.0/DevIL/src-ILU/CMakeLists.txt
--- DevIL-1.8.0.orig/DevIL/src-ILU/CMakeLists.txt	2020-04-16 13:36:56.475000000 +0200
+++ DevIL-1.8.0/DevIL/src-ILU/CMakeLists.txt	2020-04-16 13:41:04.452000000 +0200
@@ -75,8 +75,8 @@
 
 # Installation
 install (TARGETS ILU
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib64
+    LIBRARY DESTINATION lib64
     RUNTIME DESTINATION bin
 )
 install (FILES ../include/IL/ilu.h DESTINATION include/IL)
diff -Nru DevIL-1.8.0.orig/DevIL/src-ILU/pkgconfig/ILU.pc.cmake.in DevIL-1.8.0/DevIL/src-ILU/pkgconfig/ILU.pc.cmake.in
--- DevIL-1.8.0.orig/DevIL/src-ILU/pkgconfig/ILU.pc.cmake.in	2020-04-13 04:41:31.000000000 +0200
+++ DevIL-1.8.0/DevIL/src-ILU/pkgconfig/ILU.pc.cmake.in	2020-04-16 13:41:42.636000000 +0200
@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=${prefix}
 includedir=${prefix}/include
-libdir=${exec_prefix}/lib
+libdir=${exec_prefix}/lib64
 
 Name: ILU
 Description: Developer's Image Library - ILU part (image library utilities)
diff -Nru DevIL-1.8.0.orig/DevIL/src-ILUT/CMakeLists.txt DevIL-1.8.0/DevIL/src-ILUT/CMakeLists.txt
--- DevIL-1.8.0.orig/DevIL/src-ILUT/CMakeLists.txt	2020-04-16 13:36:56.475000000 +0200
+++ DevIL-1.8.0/DevIL/src-ILUT/CMakeLists.txt	2020-04-16 13:41:21.735000000 +0200
@@ -73,8 +73,8 @@
 
 # Installation
 install (TARGETS ILUT
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib64
+    LIBRARY DESTINATION lib64
     RUNTIME DESTINATION bin
 )
 install (FILES ../include/IL/ilut.h DESTINATION include/IL)
diff -Nru DevIL-1.8.0.orig/DevIL/src-ILUT/pkgconfig/ILUT.pc.cmake.in DevIL-1.8.0/DevIL/src-ILUT/pkgconfig/ILUT.pc.cmake.in
--- DevIL-1.8.0.orig/DevIL/src-ILUT/pkgconfig/ILUT.pc.cmake.in	2020-04-13 04:41:31.000000000 +0200
+++ DevIL-1.8.0/DevIL/src-ILUT/pkgconfig/ILUT.pc.cmake.in	2020-04-16 13:41:33.302000000 +0200
@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=${prefix}
 includedir=${prefix}/include
-libdir=${exec_prefix}/lib
+libdir=${exec_prefix}/lib64
 
 Name: ILUT
 Description: Developer's Image Library - ILUT part (connection to higher level libraries)