diff -rupN libwebp-1.2.2/CMakeLists.txt libwebp-1.2.2-new/CMakeLists.txt
--- libwebp-1.2.2/CMakeLists.txt	2022-02-20 00:15:40.412570626 +0100
+++ libwebp-1.2.2-new/CMakeLists.txt	2022-02-20 00:20:58.155228838 +0100
@@ -676,7 +679,7 @@ 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})