From 6bf31e841e980b6bd1c38ba2dc46d78ce5e6c4da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Tr=C3=B6ger?= <stefantroeger@gmx.net>
Date: Sat, 9 Apr 2016 09:13:22 +0200
Subject: [PATCH] PartDesign: Fix attachment external references

---
 src/Mod/PartDesign/Gui/TaskDatumParameters.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Mod/PartDesign/Gui/TaskDatumParameters.cpp b/src/Mod/PartDesign/Gui/TaskDatumParameters.cpp
index 0ca1bf0e1..0c5c15fa9 100644
--- a/src/Mod/PartDesign/Gui/TaskDatumParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskDatumParameters.cpp
@@ -896,7 +896,7 @@ bool TaskDlgDatumParameters::accept()
     //the user has to decide which option we should take if external references are used
     bool ext = false;
     for(App::DocumentObject* obj : pcDatum->Support.getValues()) {
-        if(!pcActiveBody->hasFeature(obj))
+        if(!pcActiveBody->hasFeature(obj) && !pcActiveBody->getOrigin()->hasObject(obj))
             ext = true;
     }
     if(ext) {
@@ -915,7 +915,7 @@ bool TaskDlgDatumParameters::accept()
             int index = 0;
             for(App::DocumentObject* obj : pcDatum->Support.getValues()) {
 
-                if(!pcActiveBody->hasFeature(obj)) {
+                if(!pcActiveBody->hasFeature(obj) && !pcActiveBody->getOrigin()->hasObject(obj)) {
                     objs.push_back(PartDesignGui::TaskFeaturePick::makeCopy(obj, subs[index], dlg.radioIndependent->isChecked()));
                     copies.push_back(objs.back());
                     subs[index] = "";