Extend INSTALL_RPATH to include parent directories

This change ensures that shared libraries located in $ORIGIN, $ORIGIN/../.., and $ORIGIN/../../.. are discoverable at runtime, improving robustness in environments where dependent libraries may be installed outside the immediate directory

Author: ekomarova

CMakeLists.txt

@@ -129,7 +129,7 @@ target_link_options(_ufuncs PRIVATE ${_linker_options})
 target_link_libraries(_ufuncs PRIVATE mkl_umath_loops)
 set_target_properties(_ufuncs PROPERTIES C_STANDARD 99)
 if (UNIX)
-  set_target_properties(_ufuncs PROPERTIES INSTALL_RPATH "$ORIGIN")
+  set_target_properties(_ufuncs PROPERTIES INSTALL_RPATH "$ORIGIN/../..;$ORIGIN/../../..;$ORIGIN")
 endif()
 install(TARGETS _ufuncs LIBRARY DESTINATION mkl_umath)