From 9c720dde7bd6937a8ee31699360f3503967be2b4 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 23 Nov 2016 15:04:58 +0100
Subject: [PATCH] use cmake's OBJECTS library option

---
 src/Mod/Part/App/CMakeLists.txt        | 47 +++++---------------------
 src/Mod/Part/App/Geom2d/CMakeLists.txt | 45 ++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 39 deletions(-)

diff --git a/src/Mod/Part/App/CMakeLists.txt b/src/Mod/Part/App/CMakeLists.txt
index 1d04bd7f5..9cb45dbc4 100644
--- a/src/Mod/Part/App/CMakeLists.txt
+++ b/src/Mod/Part/App/CMakeLists.txt
@@ -252,43 +252,6 @@ SET(Python_SRCS
 )
 SOURCE_GROUP("Python" FILES ${Python_SRCS})
 
-# Geom2d wrappers
-SET(Geom2dPy_SRCS
-    Geom2d/ArcOfCircle2dPy.xml
-    Geom2d/ArcOfCircle2dPyImp.cpp
-    Geom2d/ArcOfConic2dPy.xml
-    Geom2d/ArcOfConic2dPyImp.cpp
-    Geom2d/ArcOfEllipse2dPy.xml
-    Geom2d/ArcOfEllipse2dPyImp.cpp
-    Geom2d/ArcOfHyperbola2dPy.xml
-    Geom2d/ArcOfHyperbola2dPyImp.cpp
-    Geom2d/ArcOfParabola2dPy.xml
-    Geom2d/ArcOfParabola2dPyImp.cpp
-    Geom2d/BezierCurve2dPy.xml
-    Geom2d/BezierCurve2dPyImp.cpp
-    Geom2d/BSplineCurve2dPy.xml
-    Geom2d/BSplineCurve2dPyImp.cpp
-    Geom2d/Circle2dPy.xml
-    Geom2d/Circle2dPyImp.cpp
-    Geom2d/Conic2dPy.xml
-    Geom2d/Conic2dPyImp.cpp
-    Geom2d/Ellipse2dPy.xml
-    Geom2d/Ellipse2dPyImp.cpp
-    Geom2d/Geometry2dPy.xml
-    Geom2d/Geometry2dPyImp.cpp
-    Geom2d/Curve2dPy.xml
-    Geom2d/Curve2dPyImp.cpp
-    Geom2d/Hyperbola2dPy.xml
-    Geom2d/Hyperbola2dPyImp.cpp
-    Geom2d/Line2dSegmentPy.xml
-    Geom2d/Line2dSegmentPyImp.cpp
-    Geom2d/OffsetCurve2dPy.xml
-    Geom2d/OffsetCurve2dPyImp.cpp
-    Geom2d/Parabola2dPy.xml
-    Geom2d/Parabola2dPyImp.cpp
-)
-SOURCE_GROUP("Geom2d" FILES ${Geom2dPy_SRCS})
-
 SET(Part_SRCS
     ${Features_SRCS}
     ${Properties_SRCS}
@@ -353,8 +316,14 @@ SET(Part_Scripts
     BOPTools/Utils.py
 )
 
-add_library(Part SHARED ${Part_SRCS})
-target_link_libraries(Part ${Part_LIBS})
+# https://cmake.org/Wiki/CMake/Tutorials/Object_Library
+if(CMAKE_VERSION VERSION_LESS 2.8.8)
+    add_library(Part SHARED ${Part_SRCS})
+    target_link_libraries(Part ${Part_LIBS} PartGeom2dPy)
+else()
+    add_library(Part SHARED ${Part_SRCS} $<TARGET_OBJECTS:PartGeom2dPy>)
+    target_link_libraries(Part ${Part_LIBS})
+endif()
 
 
 fc_target_copy_resource(Part 
diff --git a/src/Mod/Part/App/Geom2d/CMakeLists.txt b/src/Mod/Part/App/Geom2d/CMakeLists.txt
index 03c2a1559..637ed6fa9 100644
--- a/src/Mod/Part/App/Geom2d/CMakeLists.txt
+++ b/src/Mod/Part/App/Geom2d/CMakeLists.txt
@@ -14,3 +14,48 @@ generate_from_xml(Curve2dPy)
 generate_from_xml(Line2dSegmentPy)
 generate_from_xml(OffsetCurve2dPy)
 generate_from_xml(Parabola2dPy)
+
+# Geom2d wrappers
+SET(Geom2dPy_SRCS
+    ArcOfCircle2dPy.xml
+    ArcOfCircle2dPyImp.cpp
+    ArcOfConic2dPy.xml
+    ArcOfConic2dPyImp.cpp
+    ArcOfEllipse2dPy.xml
+    ArcOfEllipse2dPyImp.cpp
+    ArcOfHyperbola2dPy.xml
+    ArcOfHyperbola2dPyImp.cpp
+    ArcOfParabola2dPy.xml
+    ArcOfParabola2dPyImp.cpp
+    BezierCurve2dPy.xml
+    BezierCurve2dPyImp.cpp
+    BSplineCurve2dPy.xml
+    BSplineCurve2dPyImp.cpp
+    Circle2dPy.xml
+    Circle2dPyImp.cpp
+    Conic2dPy.xml
+    Conic2dPyImp.cpp
+    Ellipse2dPy.xml
+    Ellipse2dPyImp.cpp
+    Geometry2dPy.xml
+    Geometry2dPyImp.cpp
+    Curve2dPy.xml
+    Curve2dPyImp.cpp
+    Hyperbola2dPy.xml
+    Hyperbola2dPyImp.cpp
+    Line2dSegmentPy.xml
+    Line2dSegmentPyImp.cpp
+    OffsetCurve2dPy.xml
+    OffsetCurve2dPyImp.cpp
+    Parabola2dPy.xml
+    Parabola2dPyImp.cpp
+)
+
+SOURCE_GROUP("Geom2d" FILES ${Geom2dPy_SRCS})
+
+# https://cmake.org/Wiki/CMake/Tutorials/Object_Library
+if(CMAKE_VERSION VERSION_LESS 2.8.8)
+    add_library(PartGeom2dPy ${Geom2dPy_SRCS})
+else()
+    add_library(PartGeom2dPy OBJECT ${Geom2dPy_SRCS})
+endif()