find_package()

laurent@debian:~$ apt-cache policy libkf5coreaddons-dev
libkf5coreaddons-dev:
  Installé : 5.78.0-4
  Candidat : 5.78.0-4
 Table de version :
 *** 5.78.0-4 500
        500 http://deb.debian.org/debian bullseye/main amd64 Packages
        100 /var/lib/dpkg/status

laurent@debian:~$ apt-cache policy libkf5widgetsaddons-dev
libkf5widgetsaddons-dev:
  Installé : 5.78.0-2
  Candidat : 5.78.0-2
 Table de version :
 *** 5.78.0-2 500
        500 http://deb.debian.org/debian bullseye/main amd64 Packages
        100 /var/lib/dpkg/status

laurent@debian:~/kde/mkspecs/modules$ cat qt_KCoreAddons.pri 
QT.KCoreAddons.VERSION = 5.91.0
QT.KCoreAddons.MAJOR_VERSION = 5
QT.KCoreAddons.MINOR_VERSION = 91
QT.KCoreAddons.PATCH_VERSION = 0
QT.KCoreAddons.name = KF5CoreAddons
QT.KCoreAddons.module = KF5CoreAddons
QT.KCoreAddons.defines = 
QT.KCoreAddons.includes = $$PWD/../../include/KF6/KCoreAddons
QT.KCoreAddons.private_includes =
QT.KCoreAddons.libs = $$PWD/../../lib/x86_64-linux-gnu
QT.KCoreAddons.depends = core
QT.KCoreAddons.module_config = 

laurent@debian:~/Qt/6.2.2/gcc_64/mkspecs/modules$ cat qt_KCoreAddons.pri 
QT.KCoreAddons.VERSION = 5.91.0
QT.KCoreAddons.MAJOR_VERSION = 5
QT.KCoreAddons.MINOR_VERSION = 91
QT.KCoreAddons.PATCH_VERSION = 0
QT.KCoreAddons.name = KF5CoreAddons
QT.KCoreAddons.module = KF5CoreAddons
QT.KCoreAddons.defines = 
QT.KCoreAddons.includes = ~/kde/include/KF6/KCoreAddons
QT.KCoreAddons.private_includes =
QT.KCoreAddons.libs = ~/kde/lib/x86_64-linux-gnu
QT.KCoreAddons.depends = core
QT.KCoreAddons.module_config = 

laurent@debian:~/qet_git/build$ /usr/local/bin/cmake .. -G Ninja -DBUILD_WITH_QT6=ON -DEXCLUDE_DEPRECATED_BEFORE_AND_AT=CURRENT
-- The CXX compiler identification is GNU 8.3.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
_____________________________________________________________________
Copyright 2006 The QElectroTech Team
This file is part of QElectroTech.

QElectroTech is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
QElectroTech is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
_____________________________________________________________________
Add sub directorie tests
.____________________________________________________________________
. PROJECT_NAME              :unittests
. PROJECT_SOURCE_DIR        :/home/laurent/qet_git/tests
. Add sub directorie catch
..___________________________________________________________________
.. PROJECT_NAME              :C_unittests
.. PROJECT_SOURCE_DIR        :/home/laurent/qet_git/tests/catch
.. QET_DIR                   :/home/laurent/qet_git
.. QET_COMPONENTS is not set !!! I set them up !!!
 - qet_compilation_vars
-- Looking for C++ include pthread.h
-- Looking for C++ include pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Check if compiler accepts -pthread
-- Check if compiler accepts -pthread - yes
-- Found Threads: TRUE  
.. QT_VERSION_MAJOR   :6
-- Performing Test HAVE_STDATOMIC
-- Performing Test HAVE_STDATOMIC - Success
-- Found WrapAtomic: TRUE  
-- Found OpenGL: /usr/lib/x86_64-linux-gnu/libOpenGL.so   
-- Found WrapOpenGL: TRUE  
-- Could NOT find XKB (missing: XKB_LIBRARY XKB_INCLUDE_DIR) (Required is at least version "0.5.0")
-- Found WrapVulkanHeaders: /usr/include  
-- Found OpenSSL: /usr/lib/x86_64-linux-gnu/libcrypto.so (found version "1.1.1d")  
-- Found WrapOpenSSLHeaders: /usr/include (found version "1.1.1d") 
 - fetch_kdeaddons
 - fetch_singleapplication
 - fetch_pugixml
.. CATCH_INCLUDE_DIR is not set,assuming Catch2 can be found automatically in your system
. Add sub directorie googletest
..___________________________________________________________________
.. PROJECT_NAME              :G_unittests
.. PROJECT_SOURCE_DIR        :/home/laurent/qet_git/tests/googletest
.. QET_DIR                   :/home/laurent/qet_git
.. QET_COMPONENTS is not set !!! I set them up !!!
 - qet_compilation_vars
.. QT_VERSION_MAJOR          :6
-- Could NOT find XKB (missing: XKB_LIBRARY XKB_INCLUDE_DIR) (Required is at least version "0.5.0")
CMake Deprecation Warning at build/_deps/gtest-src/CMakeLists.txt:4 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- The C compiler identification is GNU 8.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
CMake Deprecation Warning at build/_deps/gtest-src/googlemock/CMakeLists.txt:45 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


CMake Deprecation Warning at build/_deps/gtest-src/googletest/CMakeLists.txt:56 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- Found PythonInterp: /usr/bin/python (found version "2.7.16") 
 - fetch_kdeaddons
 - fetch_singleapplication
 - fetch_pugixml
. Add sub directorie googlemock
..___________________________________________________________________
.. PROJECT_NAME              :G_unitmocktests
.. PROJECT_SOURCE_DIR        :/home/laurent/qet_git/tests/googlemock
.. QET_DIR                   :/home/laurent/qet_git
.. QET_COMPONENTS is not set !!! I set them up !!!
 - qet_compilation_vars
.. QT_VERSION_MAJOR          :6
-- Could NOT find XKB (missing: XKB_LIBRARY XKB_INCLUDE_DIR) (Required is at least version "0.5.0")
 - fetch_kdeaddons
 - fetch_singleapplication
 - fetch_pugixml
. Add sub directorie qttest
..___________________________________________________________________
.. PROJECT_NAME              :qt_unittests
.. PROJECT_SOURCE_DIR        :/home/laurent/qet_git/tests/qttest
.. QET_DIR                   :/home/laurent/qet_git
.. QET_COMPONENTS is not set !!! I set them up !!!
 - qet_compilation_vars
.. QT_VERSION_MAJOR          :6
-- Could NOT find XKB (missing: XKB_LIBRARY XKB_INCLUDE_DIR) (Required is at least version "0.5.0")
 - fetch_kdeaddons
 - fetch_singleapplication
 - fetch_pugixml
 - paths_compilation_installation
 - start_options
 - developer_options
 - git_update_submodules
 - git_last_commit_sha
 - fetch_kdeaddons
CMake Warning at build/_deps/ecm-src/docs/CMakeLists.txt:10 (find_package):
  No "FindSphinx.cmake" found in CMAKE_MODULE_PATH.                                                                                                                                                                                                                           


CMake Warning (dev) at build/_deps/ecm-src/docs/CMakeLists.txt:10 (find_package):
  FindSphinx.cmake must either be part of this project itself, in this case                                                                                                                                                                                                   
  adjust CMAKE_MODULE_PATH so that it points to the correct location inside                                                                                                                                                                                                   
  its source tree.                                                                                                                                                                                                                                                            

  Or it must be installed by a package which has already been found via                                                                                                                                                                                                       
  find_package().  In this case make sure that package has indeed been found                                                                                                                                                                                                  
  and adjust CMAKE_MODULE_PATH to contain the location where that package has                                                                                                                                                                                                 
  installed FindSphinx.cmake.  This must be a location provided by that                                                                                                                                                                                                       
  package.  This error in general means that the buildsystem of this project                                                                                                                                                                                                  
  is relying on a Find-module without ensuring that it is actually available.                                                                                                                                                                                                 

This warning is for project developers.  Use -Wno-dev to suppress it.                                                                                                                                                                                                         

CMake Warning at build/_deps/ecm-src/docs/CMakeLists.txt:20 (find_package):
  No "FindQCollectionGenerator.cmake" found in CMAKE_MODULE_PATH.                                                                                                                                                                                                             


CMake Warning (dev) at build/_deps/ecm-src/docs/CMakeLists.txt:20 (find_package):
  FindQCollectionGenerator.cmake must either be part of this project itself,                                                                                                                                                                                                  
  in this case adjust CMAKE_MODULE_PATH so that it points to the correct                                                                                                                                                                                                      
  location inside its source tree.                                                                                                                                                                                                                                            

  Or it must be installed by a package which has already been found via                                                                                                                                                                                                       
  find_package().  In this case make sure that package has indeed been found                                                                                                                                                                                                  
  and adjust CMAKE_MODULE_PATH to contain the location where that package has                                                                                                                                                                                                 
  installed FindQCollectionGenerator.cmake.  This must be a location provided                                                                                                                                                                                                 
  by that package.  This error in general means that the buildsystem of this                                                                                                                                                                                                  
  project is relying on a Find-module without ensuring that it is actually                                                                                                                                                                                                    
  available.                                                                                                                                                                                                                                                                  

This warning is for project developers.  Use -Wno-dev to suppress it.                                                                                                                                                                                                         

-- The following OPTIONAL packages have been found:

 * PythonInterp
 * Qt6LinguistTools
 * Qt6CoreTools (required version >= 6.2.2)
 * OpenGL
 * WrapVulkanHeaders
 * Qt6GuiTools (required version >= 6.2.2)
 * Qt6DBusTools (required version >= 6.2.2)
 * Qt6DBus (required version >= 6.2.2)
 * Qt6Gui (required version >= 6.2.2)
 * Qt6PrintSupport
 * Qt6Xml
 * Qt6Svg
 * Qt6Sql
 * OpenSSL
 * WrapOpenSSLHeaders
 * Qt6Network
 * Qt6WidgetsTools (required version >= 6.2.2)
 * Qt6Widgets
 * Qt6Concurrent
 * Qt6Test

-- The following REQUIRED packages have been found:

 * QT
 * Threads
 * Qt6

-- The following features have been disabled:

 * BUILD_HTML_DOCS, Generate HTML documentation for installed modules.
 * BUILD_MAN_DOCS, Generate man page documentation for installed modules.
 * BUILD_QTHELP_DOCS, Generate QtHelp documentation for installed modules.
 * BUILD_TESTING, Build automated tests.

-- The following OPTIONAL packages have not been found:

 * XKB (required version >= 0.5.0), XKB API common to servers and clients., <http://xkbcommon.org>
 * Sphinx (required version >= 1.2), Tool to generate documentation., <https://www.sphinx-doc.org/>
   Required to build documentation for Extra CMake Modules.
 * QCollectionGenerator, Qt help collection generator., <https://www.qt.io/>
   Required to build Extra CMake Modules documentation in Qt Help format.

CMake Warning at build/_deps/kcoreaddons-src/CMakeLists.txt:7 (find_package):
  Could not find a configuration file for package "ECM" that is compatible                                                                                                                                                                                                    
  with requested version "5.77.0".                                                                                                                                                                                                                                            

  The following configuration files were considered but not accepted:                                                                                                                                                                                                         

    /usr/share/ECM/cmake/ECMConfig.cmake, version: 5.54.0                                                                                                                                                                                                                     



-- 
 * ECM (required version >= 5.77.0), Extra CMake Modules., <https://commits.kde.org/extra-cmake-modules>

CMake Error at /usr/local/share/cmake-3.22/Modules/FeatureSummary.cmake:464 (message):
  feature_summary() Error: REQUIRED package(s) are missing, aborting CMake                                                                                                                                                                                                    
  run.                                                                                                                                                                                                                                                                        
Call Stack (most recent call first):                                                                                                                                                                                                                                          
  build/_deps/kcoreaddons-src/CMakeLists.txt:9 (feature_summary)                                                                                                                                                                                                              


-- Configuring incomplete, errors occurred!
See also "/home/laurent/qet_git/build/CMakeFiles/CMakeOutput.log".
See also "/home/laurent/qet_git/build/CMakeFiles/CMakeError.log".

PATH=.:~/Qt/6.2.2/gcc_64/bin:$PATH
export PATH=~/kde/src/kdesrc-build:$PATH

source ~/.bashrc

sudo nano /usr/lib/x86_64-linux-gnu/qtchooser/qt5.conf

qtchooser -print-env
QT_SELECT="default"
QTTOOLDIR="/home/laurent/Qt/6.2.2/gcc_64/bin"
QTLIBDIR="/home/laurent/Qt/6.2.2/gcc_64/lib"

qmake --version
QMake version 3.1
Using Qt version 6.2.2 in /home/laurent/Qt/6.2.2/gcc_64/lib

laurent@debian:~/Téléchargements/CMake-master$ 
./bootstrap && make && sudo make install

laurent@debian:~$ cat ~/.kdesrc-buildrc 

laurent@debian:~$ ./kdesrc-build --initial-setup
laurent@debian:~$ ./kdesrc-build kwidgetsaddons karchive kcoreaddons --include-dependencies


Updating sysadmin-repo-metadata (to branch master)
git gave error exit code 129

Building extra-cmake-modules from frameworks (1/4)
        No source update, but the last configure failed
        Updating extra-cmake-modules (to branch master)
        git gave error exit code 129
        Source update complete for extra-cmake-modules: no files affected
        Preparing build system for extra-cmake-modules.
        Removing files in build directory for extra-cmake-modules
        Old build system cleaned, starting new build system.
        Running cmake targeting Unix Makefiles...
        Compiling... succeeded (after 0 seconds)
        Installing.. succeeded (after 0 seconds)

Building karchive from frameworks (2/4)
        No source update, but the last configure failed
        Updating karchive (to branch master)
        git gave error exit code 129
        Source update complete for karchive: no files affected
        Preparing build system for karchive.
        Removing files in build directory for karchive
        Old build system cleaned, starting new build system.
        Running cmake targeting Unix Makefiles...
        Compiling... succeeded (after 30 seconds)
        Note: - 1 - compile warnings
        Installing.. succeeded (after 0 seconds)

Building kcoreaddons from frameworks (3/4)
        No source update, but the last configure failed
        Updating kcoreaddons (to branch master)
        git gave error exit code 129
        Source update complete for kcoreaddons: no files affected
        Preparing build system for kcoreaddons.
        Removing files in build directory for kcoreaddons
        Old build system cleaned, starting new build system.
        Running cmake targeting Unix Makefiles...
        Compiling... succeeded (after 12 seconds)
        Note: --- 21 --- compile warnings
        Installing.. succeeded (after 0 seconds)

Building kwidgetsaddons from frameworks (4/4)
        No source update, but the last configure failed
        Updating kwidgetsaddons (to branch master)
        git gave error exit code 129
        Source update complete for kwidgetsaddons: no files affected
        Preparing build system for kwidgetsaddons.
        Removing files in build directory for kwidgetsaddons
        Old build system cleaned, starting new build system.
        Running cmake targeting Unix Makefiles...
        Compiling... succeeded (after 3 minutes, and 48 seconds)
        Note: ---- 86 ---- compile warnings
        Installing.. succeeded (after 0 seconds)

<<<  PACKAGES SUCCESSFULLY BUILT  >>>
extra-cmake-modules
karchive
kcoreaddons
kwidgetsaddons
 
        * Installing "sample-kde-env-master.sh" would overwrite an existing file:
        *  /home/laurent/.config/kde-env-master.sh
        * If this is acceptable, please delete the existing file and re-run,
        * or pass --delete-my-settings and re-run.

:-)
Your logs are saved in file:///home/laurent/kde/log/2022-01-15-02

cp ~/kde/mkspecs/modules/*.pri ~/Qt/6.2.2/gcc_64/mkspecs/modules/
cp -r ~/kde/include/KF6 ~/Qt/6.2.2/gcc_64/include/
cp -r ~/kde/lib/x86_64-linux-gnu ~/Qt/6.2.2/gcc_64/
cp -r ~/kde/bin ~/Qt/6.2.2/gcc_64/

mkdir build && cd build
#/usr/local/bin/cmake .. -G Ninja  ## not working yet
qmake ../qelectrotech.pro
make -j24

../sources/ElementsCollection/elementslocation.cpp: In member function ‘bool ElementsLocation::setXml(const QDomDocument&) const’:
../sources/ElementsCollection/elementslocation.cpp:783:11: error: ‘class QRegularExpression’ has no member named ‘exactMatch’; did you mean ‘NoMatch’?
    if (rx.exactMatch(path_))
           ^~~~~~~~~~
           NoMatch
../sources/ElementsCollection/elementslocation.cpp:788:10: error: ‘class QRegularExpression’ has no member named ‘cap’; did you mean ‘swap’?
       rx.cap(1),
          ^~~
          swap
../sources/ElementsCollection/elementslocation.cpp:789:10: error: ‘class QRegularExpression’ has no member named ‘cap’; did you mean ‘swap’?
       rx.cap(2),
          ^~~
          swap
g++ -c -pipe -std=c++17 -O2 -std=gnu++1z -Wall -Wextra -D_REENTRANT -fPIC -DQET_ALLOW_OVERRIDE_CED_OPTION -DQET_ALLOW_OVERRIDE_CTBTD_OPTION -DQET_ALLOW_OVERRIDE_CD_OPTION -DQAPPLICATION_CLASS=QApplication -DQT_MESSAGELOGCONTEXT -DGIT_COMMIT_SHA=\"d7e2ef283a6c9b48f2e405fa7bd0f46dd3500c0a\" -DQET_LANG_PATH=/usr/local/share/qelectrotech/lang/ -DQET_COMMON_COLLECTION_PATH=/usr/local/share/qelectrotech/elements/ -DQET_COMMON_TBT_PATH=/usr/local/share/qelectrotech/titleblocks/ -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_XML_LIB -DQT_SQL_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB -I../../qet_git -I. -I../SingleApplication -I../sources/ui -I../sources/TerminalStrip/ui -I../../Qt/6.2.2/gcc_64/include -I../../Qt/6.2.2/gcc_64/include/QtSvg -I../../Qt/6.2.2/gcc_64/include/QtPrintSupport -I../../Qt/6.2.2/gcc_64/include/KF6/KWidgetsAddons -I../../Qt/6.2.2/gcc_64/include/QtWidgets -I../../Qt/6.2.2/gcc_64/include/QtGui -I../../Qt/6.2.2/gcc_64/include/QtNetwork -I../../Qt/6.2.2/gcc_64/include/QtXml -I../../Qt/6.2.2/gcc_64/include/QtSql -I../../Qt/6.2.2/gcc_64/include/QtConcurrent -I../../Qt/6.2.2/gcc_64/include/KF6/KCoreAddons -I../../Qt/6.2.2/gcc_64/include/QtCore -Irelease -I. -I../../Qt/6.2.2/gcc_64/mkspecs/linux-g++ -o release/xmlprojectelementcollectionitem.o ../sources/ElementsCollection/xmlprojectelementcollectionitem.cpp
make[1]: *** [Makefile.Release:62978: release/elementslocation.o] Error 1
make[1]: *** Attente des tâches non terminées....
make[1] : on quitte le répertoire « /home/laurent/qet_git/build »
make: *** [Makefile:42: release] Error 2

mkdir -p ~/kde/src
cd ~/kde/src/
git clone https://invent.kde.org/sdk/kdesrc-build.git && cd kdesrc-build
./kdesrc-build --initial-setup
./kdesrc-build kwidgetsaddons karchive kcoreaddons --include-dependencies --ignore-modules Qt5

cp ~/kde/usr/mkspecs/modules/*.pri ~/Qt/5.15.1/gcc_64/mkspecs/modules/
cp -r ~/kde/usr/include/* ~/Qt/5.15.1/gcc_64/include/
cp -r ~/kde/usr/lib64 ~/Qt/5.15.1/gcc_64/
cp -r ~/kde/usr/bin ~/Qt/5.15.1/gcc_64/

cp ~/kde/usr/mkspecs/modules/*.pri ~/Qt/6.0.0/gcc_64/mkspecs/modules/
cp -r ~/kde/usr/include/* ~/Qt/6.0.0/gcc_64/include/
cp -r ~/kde/usr/lib64 ~/Qt/6.0.0/gcc_64/
cp -r ~/kde/usr/bin ~/Qt/6.0.0/gcc_64/

wget http://download.qt.io/official_releases/online_installers/qt-unified-linux-x64-online.run

/home/laurent/Qt/5.13.2/gcc_64/bin
/home/laurent//Qt/5.13.2/gcc_64/lib

PATH=.:~/Qt/5.13.2/gcc_64/bin:$PATH
export PATH=~/kde/src/kdesrc-build:$PATH

source ~/.bashrc 

$ qtchooser -print-env
QT_SELECT="default"
QTTOOLDIR="/home/laurent/Qt/5.13.2/gcc_64/bin"
QTLIBDIR="/home/laurent/Qt/5.13.2/gcc_64/lib"

$ qmake --version
QMake version 3.1
Using Qt version 5.13.2 in /home/laurent/Qt/5.13.2/gcc_64/lib

mkdir -p ~/kde/src
cd ~/kde/src/
git clone https://invent.kde.org/sdk/kdesrc-build.git  && cd kdesrc-build

kdesrc-build kwidgetsaddons karchive kcoreaddons --include-dependencies
cp ~/kde/mkspecs/*.pri ~/Qt/5.13.2/gcc_64/mkspecs/modules/

git clone git://git.tuxfamily.org/gitroot/qet/qet.git qet_git
cd qet_git
mkdir build/ && cd build
qmake ../qelectrotech.pro
make -j$(nproc)