CGAL users discussion list

[Ben Laurie <>]

On Wed, 3 Feb 2021 at 08:26, Sebastien Loriot <> wrote:

You should not give include paths by hand but use the cmake config file
generated by your QT installation.

See https://doc.cgal.org/latest/Manual/configurationvariables.html#title9

Qt5_DIR can be a cmake variable (cmake -DQt5_DIR=...) or an environment
variable.

If I do this I get this warning from cmake:

CMake Warning:
  Manually-specified variables were not used by the project:

    Qt5_DIR

The previous suggestion (i.e. using CMakeLists.txt from the examples) works as well as the manual configuration I posted in the first place - that is, I end up with:

/usr/local/include/CGAL/Qt/image_interface.h:21:10: fatal error:
      'ui_ImageInterface.h' file not found
#include "ui_ImageInterface.h"

 

Sebastien.

On 1/30/21 5:30 PM, Ben Laurie wrote:
> I'm trying to compile the basic example
> (https://doc.cgal.org/latest/Manual/devman_create_and_use_a_cmakelist.html#subcmake
> <https://doc.cgal.org/latest/Manual/devman_create_and_use_a_cmakelist.html#subcmake>)
> and I have to pass lots of arguments to CMake to include the qt5 files
> ... like this:
>
> cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="-Wall -Werror
> -I/usr/local/include/qt5 -I/usr/local/include/qt5/QtWidgets
> -I/usr/local/include/qt5/QtGui -I/usr/local/include/qt5/QtXml
> -I/usr/local/include/qt5/QtCore -I/usr/local/include/qt5/QtOpenGL -fPIC" .
>
> Is this expected? Anyway, after tracking all these down, I end up with
> the error:
>
> /usr/local/include/CGAL/Qt/image_interface.h:21:10: fatal error:
>        'ui_ImageInterface.h' file not found
>
> and there's no such file on my machine. Any clue what I'm doing wrong?
>
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