diff -rupN --no-dereference libwebp-1.2.4/CMakeLists.txt libwebp-1.2.4-new/CMakeLists.txt
--- libwebp-1.2.4/CMakeLists.txt	2022-08-07 11:33:19.069010628 +0200
+++ libwebp-1.2.4-new/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})