--- a/CMakeLists.txt	2000-01-01 01:00:00.000000000 +0100
+++ b/CMakeLists.txt	2026-10-19 17:51:13.926710164 +0200
@@ -51,6 +51,10 @@ option(OTIO_AUTOMATIC_SUBMODULES "Fetch
 #------------------------------------------------------------------------------
 # Set option dependent variables
 
+# relative library dir for relocatable CMake targets, the libraries are not
+# installed into the Python package
+include(GNUInstallDirs)
+
 if(OTIO_PYTHON_INSTALL)
     # Find the python interpreter using FindPython module.
     # The Development.Module component is used instead of the Development one
@@ -81,7 +85,7 @@ if(OTIO_PYTHON_INSTALL)
     if(OTIO_PYTHON_INSTALL_DIR STREQUAL "" AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
         # neither install directory supplied from the command line
         set(OTIO_RESOLVED_PYTHON_INSTALL_DIR "${Python_SITEARCH}")
-        set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio")
+        set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
         message(STATUS "OTIO Defaulting Python install to ${OTIO_RESOLVED_PYTHON_INSTALL_DIR}")
     else()
         # either python_install or install_prefix have been set
@@ -92,12 +96,12 @@ if(OTIO_PYTHON_INSTALL)
             # In order to not require setting $PYTHONPATH to point at the .so,
             # the shared libraries are installed into the python library
             # location.
-            set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio")
+            set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
             message(STATUS "OTIO Defaulting Python install to ${OTIO_RESOLVED_PYTHON_INSTALL_DIR}")
         else()
             # OTIO_PYTHON_INSTALL_DIR was set, so install everything into the python package
             set(OTIO_RESOLVED_PYTHON_INSTALL_DIR "${OTIO_PYTHON_INSTALL_DIR}")
-            set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${OTIO_PYTHON_INSTALL_DIR}/opentimelineio")
+            set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
         endif()
     endif()
 
@@ -106,7 +110,7 @@ if(OTIO_PYTHON_INSTALL)
     endif()
 
 else()
-    set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+    set(OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}")
     message(STATUS "OTIO C++ installing to ${CMAKE_INSTALL_PREFIX}")
 endif()
 
--- a/src/py-opentimelineio/opentime-bindings/CMakeLists.txt	2000-01-01 01:00:00.000000000 +0100
+++ b/src/py-opentimelineio/opentime-bindings/CMakeLists.txt	2026-10-19 17:51:13.926892023 +0200
@@ -43,6 +43,6 @@ elseif(UNIX)
 endif()
 
 install(TARGETS _opentime
-        ARCHIVE DESTINATION "${OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR}"
-        LIBRARY DESTINATION "${OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR}"
-        RUNTIME DESTINATION "${OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR}")
+        ARCHIVE DESTINATION "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio"
+        LIBRARY DESTINATION "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio"
+        RUNTIME DESTINATION "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio")
--- a/src/py-opentimelineio/opentimelineio-bindings/CMakeLists.txt	2000-01-01 01:00:00.000000000 +0100
+++ b/src/py-opentimelineio/opentimelineio-bindings/CMakeLists.txt	2026-10-19 17:51:13.926817564 +0200
@@ -53,6 +53,6 @@ elseif(UNIX)
 endif()
 
 install(TARGETS _otio 
-        ARCHIVE DESTINATION "${OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR}"
-        LIBRARY DESTINATION "${OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR}"
-        RUNTIME DESTINATION "${OTIO_RESOLVED_CXX_DYLIB_INSTALL_DIR}")
+        ARCHIVE DESTINATION "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio"
+        LIBRARY DESTINATION "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio"
+        RUNTIME DESTINATION "${OTIO_RESOLVED_PYTHON_INSTALL_DIR}/opentimelineio")