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Building QGIS: Could not find a package configuration file provided by “QJSON”

Building QGIS
I was building QGIS source code on my own laptop when I got the following warning during the configuration of the CMake files

CMake Warning at CMakeLists.txt:316 (FIND_PACKAGE):
   By not providing "FindQJSON.cmake" in CMAKE_MODULE_PATH this project has
   asked CMake to find a package configuration file provided by "QJSON", but
   CMake did not find one.

   Could not find a package configuration file provided by "QJSON" with any of
   the following names:

   Add the installation prefix of "QJSON" to CMAKE_PREFIX_PATH or set
   "QJSON_DIR" to a directory containing one of the above files.  If "QJSON"
   provides a separate development package or SDK, be sure it has been

This is an already opend issue at the QGIS Bug report #14982 and fixing it is really simple: just install the gjson library via

$ yaourt -S qjson

Then remove the CMakeChache and build QGIS again…everything should work fine, without errors or warning!

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Published by Francesco Serafin

I am a PhD student at the Department of Civil, Environmental and Mechanical Engineering at the University of Trento. My two greatest loves: Computer Science and Water (take three with my Lenovo!:D). As a result, the aim of my life is to make both passions coexist. My gpg public key available at

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