diff -Naur a/Modules/Platform/UnixPaths.cmake b/Modules/Platform/UnixPaths.cmake
--- a/Modules/Platform/UnixPaths.cmake	2024-05-07 22:49:54.000000000 +0600
+++ b/Modules/Platform/UnixPaths.cmake	2024-05-13 10:31:09.570655398 +0600
@@ -49,6 +49,11 @@
 endif()
 _cmake_record_install_prefix()
 
+# Raven-specific install prefix
+list(APPEND CMAKE_SYSTEM_PREFIX_PATH
+  /opt/rx
+  )
+
 # Non "standard" but common install prefixes
 list(APPEND CMAKE_SYSTEM_PREFIX_PATH
   /usr/X11R6