title: CGAL Linking Error QT Creator Project for Windows and Linux
body: <p>I have problems creating a project using QT with CGAL and Boost on Windows 10.</p>
  
  <p>In this project there are a few .pro Files and all projects without CGAL have compiled. Boost also works without problems. If I compile the CGAL Project i get linking errors:</p>
  
  <p>Link Errors</p>
  
  <p><img src="https://i.stack.imgur.com/cjUpl.png" alt=""></p>
  
  <p>Here is my .pro file</p>
  
  <pre><code>win32:INCLUDEPATH += C:/CGAL32/include/
  win32:INCLUDEPATH += C:/CGAL32/build/include/
  win32:INCLUDEPATH += C:/boost_lib_inc/include/
  win32:INCLUDEPATH += C:/boost/boost_1_68_0/
  
  win32:CONFIG(release, debug|release): LIBS += -LC:/CGAL32/auxiliary/gmp/lib -lgmp-10 -lmpfr-4 -LC:/CGAL32/build/lib/Release  -lCGAL-vc140-mt-4.12.1 -lCGAL_Core-vc140-mt-4.12.1
  else:win32:CONFIG(debug, debug|release): LIBS += -LC:/CGAL32/auxiliary/gmp/lib -lgmp-10 -lmpfr-4 -LC:/CGAL32/build/lib/Debug -lCGAL-vc140-mt-gd-4.12.1 -lCGAL_Core-vc140-mt-gd-4.12.1
  else:unix:!macx: LIBS += -L$$PWD/../../../../../../usr/lib/x86_64-linux-gnu/ -lCGAL
  </code></pre>
  
  <p>On Linux all works fine.</p>