Try rpath fix for shared build

cmake/utilities.cmake

@@ -41,6 +41,16 @@ macro(SET_INSTALL_RPATHS _target _paths)
     set_target_properties(${_target} PROPERTIES INSTALL_RPATH "${${_target}_rpaths}")
 endmacro()
 
+macro(SET_INSTALL_SELF_RPATH _target)
+    if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
+        SET_INSTALL_RPATHS(${_target} "${CMAKE_INSTALL_LIBDIR}")
+    elseif(APPLE)
+        SET_INSTALL_RPATHS(${_target} "@loader_path")
+    else()
+        SET_INSTALL_RPATHS(${_target} "$ORIGIN")
+    endif()
+endmacro()
+
 function(ifcopenshell_plugin_target TARGET)
     set_target_properties(${TARGET} PROPERTIES PREFIX "")
 endfunction()