diff -rupN --no-dereference libwebp-1.3.0/CMakeLists.txt libwebp-1.3.0-new/CMakeLists.txt
--- libwebp-1.3.0/CMakeLists.txt	2023-01-13 13:06:13.623139692 +0100
+++ libwebp-1.3.0-new/CMakeLists.txt	2023-01-13 13:06:13.627139720 +0100
@@ -716,7 +716,7 @@ install(
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-set(ConfigPackageLocation ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake/)
+set(ConfigPackageLocation ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/)
 install(EXPORT ${PROJECT_NAME}Targets NAMESPACE ${PROJECT_NAME}::
         DESTINATION ${ConfigPackageLocation})
 
diff -rupN --no-dereference libwebp-1.3.0/CMakeLists.txt.rej libwebp-1.3.0-new/CMakeLists.txt.rej
--- libwebp-1.3.0/CMakeLists.txt.rej	1970-01-01 01:00:00.000000000 +0100
+++ libwebp-1.3.0-new/CMakeLists.txt.rej	2023-01-13 13:06:13.627139720 +0100
@@ -0,0 +1,11 @@
+--- CMakeLists.txt	2022-08-07 11:33:19.069010628 +0200
++++ CMakeLists.txt	2022-08-07 11:33:19.073010628 +0200
+@@ -726,7 +726,7 @@ install(TARGETS ${INSTALLED_LIBRARIES}
+         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+-set(ConfigPackageLocation ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake/)
++set(ConfigPackageLocation ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/)
+ install(EXPORT ${PROJECT_NAME}Targets
+         NAMESPACE ${PROJECT_NAME}::
+         DESTINATION ${ConfigPackageLocation})