How to build QtPdf?

[slavaw]

Hello!
I want to use QtPdf in my project. I use Qt 6.6.1 and Ubuntu 22.04 LTS.
In Maintenance Tool Qt PDF and QT WebEngine selected.

In my Qt folder (home/Qt/6.6.1/Src/qtwebengine/src) I have

If I add "QT += pdf", I get error.

I try to build QtPdf as it is said here - https://wiki.qt.io/QtPDF_Build_Instructions, but I cant execute this command:

Could you tell me how I should build QtPdf?

[jsulm]

@slavaw said in How to build QtPdf?:

but I cant execute this command

What does this mean? What happens?

[slavaw]

@jsulm I get the error: "qt-configure-module: command not found".

[JoeCFD]

@slavaw you add
Qt += pdfwidgets

To find out which modules to add, you can simply check a pdf example out.
Are you making QML project?

[jsulm]

@slavaw said in How to build QtPdf?:

qt-configure-module: command not found

then use absolute path to the command

[slavaw]

@JoeCFD

@JoeCFD said in How to build QtPdf?:

Qt += pdfwidgets

I try add this to my .pro file, but i got error again:

@JoeCFD said in How to build QtPdf?:

To find out which modules to add, you can simply check a pdf example out.

I need to add QtPdf module to use QPdfDocument - https://doc.qt.io/qt-6/qtpdf-index.html

@JoeCFD said in How to build QtPdf?:

Are you making QML project?

I make project, where QML using for view and C++ for logic. If it is important, I use qmake for build project.

[slavaw]

@jsulm said in How to build QtPdf?:

then use absolute path to the command

I found "qt-configure-module" in this folders (path home/Qt/6.6.1/):
Which of these files should I run? Android folders for Android, GCC for Windows, WASM for C languages. Come to think of it I'm using multithreading, so I need to execute file in "wasm_multithread/bin"?

In the path "home/Qt/6.6.1/Src/qtbase/bin" i found "qt-configure-module.in" with this description inside:
I tried to exec this file and get this error:

I checked path in error and not found "qt-cmake-private", but found it in this folders:

[jsulm]

@slavaw said in How to build QtPdf?:

Which of these files should I run?

The one you want to build for.

[slavaw]

@jsulm said in How to build QtPdf?:

The one you want to build for.

I get the error again:

[jsulm]

@slavaw Did you install Emscripten? As far as I know you need it to be able to build for Wasm.

[slavaw]

@jsulm said in How to build QtPdf?:

Did you install Emscripten? As far as I know you need it to be able to build for Wasm.

I installed Emscripten, re-executed cmd and got the last error.

[jsulm]

@slavaw Install Ninja

[slavaw]

@jsulm said in How to build QtPdf?:

Install Ninja

I installed Ninja, tried again and got the same error.

[slavaw]

@jsulm I dug through the files and realized that my project was being built in the Src folder, but I found the "qt-configure-module" file only in "Src/qtbase/bin". I tried to execute cmd and get error.

Src folder:

Command execute:

[jsulm]

@slavaw said in How to build QtPdf?:

my project was being built in the Src folder

Don't do that!
Checkout the source code again to get rid of all your build artefacts!
but I found the "qt-configure-module" file only in "Src/qtbase/bin" - this does not mean you have to build inside source forlder. As I already wrote before: use absolute path to qt-configure-module

[slavaw]

@jsulm I hope I understood you correctly, but I got an error again.

[jsulm]

@slavaw Why are you still building inside the sources?!

[slavaw]

@jsulm I tried to do as you said, along the path presented below, but it didn't help.

[jsulm]

@slavaw Why do you post pictures instead of text?
"but it didn't help" - this is not a problem description. If it did not work then please tell us what happened...

[slavaw]

@jsulm I think pictures are easier to understand, but if you insist:
I reinstalled Emscripten, after install nodejs, flex, bison, gperf and now after execute (path ~/qtpdf/build):

~/Qt/6.6.1/gcc_64/bin/qt-configure-module ../qtwebengine -- -DFEATURE_qtwebengine_build=OFF

QtPdf Module built succesfull, but CMake exited with error.

Error:

-- Configuring done
CMake Error at /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:2355 (add_library):
  Target "PdfWidgets" links to target "XKB::XKB" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?
Call Stack (most recent call first):
  /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6/QtModuleHelpers.cmake:173 (_qt_internal_add_library)
  src/pdfwidgets/CMakeLists.txt:6 (qt_internal_add_module)


CMake Error at /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:2355 (add_library):
  Target "PdfQuick" links to target "XKB::XKB" but the target was not found.
  Perhaps a find_package() call is missing for an IMPORTED target, or an
  ALIAS target is missing?
Call Stack (most recent call first):
  /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6/QtModuleHelpers.cmake:173 (_qt_internal_add_library)
  /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6Qml/Qt6QmlBuildInternals.cmake:164 (qt_internal_add_module)
  src/pdfquick/CMakeLists.txt:16 (qt_internal_add_qml_module)


CMake Error at /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:2355 (add_library):
  Target "PdfQuickplugin" links to target "XKB::XKB" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?
Call Stack (most recent call first):
  /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:2168 (_qt_internal_add_library)
  /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6/QtPluginHelpers.cmake:91 (qt6_add_plugin)
  /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6Qml/Qt6QmlBuildInternals.cmake:217 (qt_internal_add_plugin)
  src/pdfquick/CMakeLists.txt:16 (qt_internal_add_qml_module)


-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly.
CMake Error at /home/slava/Qt/6.6.1/gcc_64/lib/cmake/Qt6/QtProcessConfigureArgs.cmake:1040 (message):
  CMake exited with code 1.