libKleo uses no new APIs.

--- libkleo-19.04.0/CMakeLists.txt.old	2019-04-12 00:16:32.000000000 +0000
+++ libkleo-19.04.0/CMakeLists.txt	2019-04-19 06:31:09.576149789 +0000
@@ -3,7 +3,7 @@
 
 project(libkleo VERSION ${PIM_VERSION})
 
-set(KF5_MIN_VERSION "5.60.0")
+set(KF5_MIN_VERSION "5.54.0")
 
 find_package(ECM ${KF5_MIN_VERSION} CONFIG REQUIRED)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
@@ -26,7 +26,7 @@
 
 
 set(LIBKLEO_LIB_VERSION ${PIM_VERSION})
-set(QT_REQUIRED_VERSION "5.11.0")
+set(QT_REQUIRED_VERSION "5.9.0")
 set(KDEPIMTEXTEDIT_VERSION "5.12.1")
 
 find_package(Qt5 ${QT_REQUIRED_VERSION} CONFIG REQUIRED Widgets)
--- libkleo-19.08.0/CMakeLists.txt.old	2019-08-15 15:03:03.464693272 +0000
+++ libkleo-19.08.0/CMakeLists.txt	2019-08-15 15:05:18.800204812 +0000
@@ -92,6 +92,6 @@
 
 
 add_subdirectory(src)
-install(FILES libkleo.renamecategories libkleo.categories  DESTINATION  ${KDE_INSTALL_LOGGINGCATEGORIESDIR})
+#install(FILES libkleo.renamecategories libkleo.categories  DESTINATION  ${KDE_INSTALL_LOGGINGCATEGORIESDIR})
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
 ki18n_install(po)