diff -rupN --no-dereference libwebp-1.4.0/CMakeLists.txt libwebp-1.4.0-new/CMakeLists.txt
--- libwebp-1.4.0/CMakeLists.txt	2024-04-14 15:30:20.053730120 +0200
+++ libwebp-1.4.0-new/CMakeLists.txt	2024-04-14 15:30:20.056730140 +0200
@@ -784,7 +784,7 @@ 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})