Cant find Qt5Designer, qt5svg and qt5x11extras

Question

I'm trying to install KLatexFormula and it's cmake script is giving the error that it cant find the package config files Qt5DesignerConfig.cmake and qt5designer-config.cmake.

Cmake asked me to add the prefix of Qt5Designer to CMAKE_PREFIX_PATH. I found the path to Qt5Designer with a quick

apt-files search Qt5Designer

The file I was looking for showed up under the path

/usr/lib/x86_64-linux-gnu/cmake/Qt5Designer/Qt5DesignerConfig.cmake

under qttools5-dev package. I believe this is the correct spot, so I added the prefix path with

export QT_CMAKE_PREFIX_PATH="/usr/lib/x86_64-linux-gnu/cmake"

and the path shows up if I check the command

export

However, building the cmake file again gave me the same missing packages. In the process of trying to work out what was wrong I went

cd /usr/lib/x86_64-linux-gnu/cmake

At this point I saw that there was no Qt5Designer entry in this folder. My qttools5-dev is completely up to date. Anyone know how I can fix it?

And I have tried this already and get the same search results as that answer.

Solution

To anyone else having the issue with qttools5-dev-tools not installing Qt Designer stuff try

sudo apt install qttools5-dev

instead (note there is no -tools at the end).

I was also lacking qt5svg and qt5x11extras, and these were solved with

sudo apt install libqt5svg5-dev

and

sudo apt install libqt5x11extras5-dev

respectively.

Comments

[Knud Larsen]

sudo apt-get install qttools5-dev-tools .... ← askubuntu.com/questions/651461/where-is-qt5-designer

[thewolfaxe]

@KnudLarsen Already seen that post and tried it, says that package is already at the newest version (5.6.1-2build1~~xenialoverlay1~1)

[Indacochea Wachín]

Working for build from source ksnip 1.8.0 to solve this: "If "Qt5Svg" provides a separate development package or SDK, be sure it has been installed."