Index: breeze-plymouth-5.7.3/cmake/FindPlymouth.cmake
===================================================================
--- breeze-plymouth-5.7.3.orig/cmake/FindPlymouth.cmake
+++ breeze-plymouth-5.7.3/cmake/FindPlymouth.cmake
@@ -24,12 +24,8 @@
 include(FindPkgConfig)
 
 pkg_check_modules(Plymouth ply-boot-client ply-splash-core)
-exec_program(${PKG_CONFIG_EXECUTABLE}
-    ARGS ply-splash-core --variable=pluginsdir
-    OUTPUT_VARIABLE Plymouth_PLUGINSDIR)
-exec_program(${PKG_CONFIG_EXECUTABLE}
-    ARGS ply-splash-core --variable=themesdir
-    OUTPUT_VARIABLE Plymouth_THEMESDIR)
+set(Plymouth_PLUGINSDIR "@out@/lib/plymouth")
+set(Plymouth_THEMESDIR "@out@/share/plymouth/themes")
 
 find_package_handle_standard_args(Plymouth
     FOUND_VAR