Use PACKAGE_PREFIX_DIR from PACKAGE_INIT.

This avoids guessing the path to the prefix.

Signed-off-by: Pierre Wendling <[email protected]>

src/cmake/Config.cmake.in

@@ -14,21 +14,9 @@ if (NOT @BUILD_SHARED_LIBS@) # NOT @BUILD_SHARED_LIBS@
         set(CMAKE_FIND_APPBUNDLE LAST)
     endif()
 
-    # Get the install directory.
-    set(_IMPORT_PREFIX "${CMAKE_CURRENT_LIST_DIR}")
-    # Get the install directory. Since the current file is under 
-    # <install directory>/lib/cmake/OpenColorIO going back three directory.
-    foreach(i RANGE 1 3)
-        get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
-        if(_IMPORT_PREFIX STREQUAL "/")
-        set(_IMPORT_PREFIX "")
-        break()
-        endif()
-    endforeach()
-
     # Append OCIO custom find module path.
-    list(APPEND CMAKE_MODULE_PATH "${_IMPORT_PREFIX}/share/OpenColorIO/cmake/modules")
-    list(APPEND CMAKE_MODULE_PATH "${_IMPORT_PREFIX}/share/OpenColorIO/cmake/macros")
+    list(APPEND CMAKE_MODULE_PATH "${PACKAGE_PREFIX_DIR}/share/OpenColorIO/cmake/modules")
+    list(APPEND CMAKE_MODULE_PATH "${PACKAGE_PREFIX_DIR}/share/OpenColorIO/cmake/macros")
 
     ########################
     # Required dependencies