From 460ee696fdf82b1c94d0c0fc91b0f259efd5bfd9 Mon Sep 17 00:00:00 2001
From: Matthias Hochsteger <matthias.hochsteger@tuwien.ac.at>
Date: Tue, 8 Jan 2019 11:30:11 +0100
Subject: [PATCH] [cmake] Link ngcore to other libraries

---
 CMakeLists.txt            | 8 +++++++-
 libsrc/csg/CMakeLists.txt | 4 ++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 29a73670..cf153b4c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,13 @@ if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING INTERNAL)
 endif(NOT CMAKE_BUILD_TYPE)
 
-cmake_minimum_required(VERSION 3.1.3)
+if(WIN32)
+  # we are linking to object libraries on Windows
+  cmake_minimum_required(VERSION 3.12)
+else(WIN32)
+  cmake_minimum_required(VERSION 3.1.3)
+endif(WIN32)
+
 if(NOT WIN32)
     option( USE_NATIVE_ARCH  "build which -march=native" ON)
 endif(NOT WIN32)
diff --git a/libsrc/csg/CMakeLists.txt b/libsrc/csg/CMakeLists.txt
index 224a48e4..d05d62c1 100644
--- a/libsrc/csg/CMakeLists.txt
+++ b/libsrc/csg/CMakeLists.txt
@@ -12,11 +12,11 @@ if(APPLE)
 endif(APPLE)
 
 if(NOT WIN32)
-    target_link_libraries(csg mesh ${PYTHON_LIBRARIES})
-    target_link_libraries(csg ${PYTHON_LIBRARIES})
+    target_link_libraries(csg PUBLIC mesh ${PYTHON_LIBRARIES})
     install( TARGETS csg ${NG_INSTALL_DIR})
 endif(NOT WIN32)
 
+target_link_libraries(csg PUBLIC ngcore)
 
 if(USE_GUI)
     add_library(csgvis ${NG_LIB_TYPE} vscsg.cpp )