Project ERROR: Unknown module(s) in QT: script

Aras

I have build Qt from source and now I am trying to build Qt Creator from source and get the following error: Project ERROR: Unknown module(s) in QT: script. I found a similar thread that suggested building qtscript libraty by running make module-qtscript manually. I did that from the Qt source folder and the build for the script library finished without any errors. However, I still get the same error when I try to prepare Qt Creator for build:

$ qmake -r ../qt-creator/qtcreator.pro
Reading /home/aras/Projects/qt-creator/src/src.pro [/home/aras/Projects/qt-creator-build/src]
 Reading /home/aras/Projects/qt-creator/src/shared/qbs/src/lib/corelib/corelib.pro [/home/aras/Projects/qt-creator-build/src/shared/qbs/src/lib/corelib]
Project ERROR: Unknown module(s) in QT: script

Locating libQt5Script.so finds it in my Qt source directory but not installed anywhere else on the system:

$ locate libQt5Script.so
/home/aras/Projects/qt-everywhere-opensource-src-5.7.0/qtbase/lib/libQt5Script.so
/home/aras/Projects/qt-everywhere-opensource-src-5.7.0/qtbase/lib/libQt5Script.so.5
/home/aras/Projects/qt-everywhere-opensource-src-5.7.0/qtbase/lib/libQt5Script.so.5.7
/home/aras/Projects/qt-everywhere-opensource-src-5.7.0/qtbase/lib/libQt5Script.so.5.7.0

Here is my Qt version:

$ qmake -v
QMake version 3.0
Using Qt version 5.7.0 in /usr/local/Qt-5.7.0/lib

I am following this guide. What else do I need to do to get past this error and build Qt Creator?

SGaist

Hi,

Did you call make install after you built the QtScript module ?

Aras

@SGaist yes I ran sudo make install module-qtscript
I also just tried doing a fresh build of qt from source using external build directory. I still get the same error :(

SGaist

Ok, then, did you re-run qmake after you installed qtscript ?

Aras

@SGaist let me back track a bit. The first time I tried this I ran sudo make install module-qscript and once that was over I went back to my qt creator build directory and tried configuring the project again and I got this error:

:~/Projects/qt-creator-build$ qmake -r ../qt-creator/qtcreator.pro
Reading /home/aras/Projects/qt-creator/src/src.pro [/home/aras/Projects/qt-creator-build/src]
 Reading /home/aras/Projects/qt-creator/src/shared/qbs/src/lib/corelib/corelib.pro [/home/aras/Projects/qt-creator-build/src/shared/qbs/src/lib/corelib]
Project ERROR: Unknown module(s) in QT: script

Now I removed my old qt source folder and downloaded a new one and built it from scratch again. Then I build the qscript module without error. However, just now I tried installing it using sudo make install module-qtscript and after some time I got this new error:

/home/aras/Projects/qt-everywhere-opensource-src-5.7.0/qtwayland/src/shared/qwaylandinputmethodeventbuilder.cpp
/home/aras/Projects/qt-everywhere-opensource-src-5.7.0/qtwayland/src/shared/qwaylandinputmethodeventbuilder.cpp:46:80: fatal error: QtWaylandCompositor/private/qwayland-server-text-input-unstable-v2.h: No such file or directory
compilation terminated.
Makefile:8100: recipe for target '.obj/qwaylandinputmethodeventbuilder.o' failed
make[3]: *** [.obj/qwaylandinputmethodeventbuilder.o] Error 1
make[3]: Leaving directory '/home/aras/Projects/shared-build-qt5.7.0/qtwayland/src/compositor'
Makefile:83: recipe for target 'sub-compositor-install_subtargets' failed
make[2]: *** [sub-compositor-install_subtargets] Error 2
make[2]: Leaving directory '/home/aras/Projects/shared-build-qt5.7.0/qtwayland/src'
Makefile:56: recipe for target 'sub-src-install_subtargets' failed
make[1]: *** [sub-src-install_subtargets] Error 2
make[1]: Leaving directory '/home/aras/Projects/shared-build-qt5.7.0/qtwayland'
Makefile:497: recipe for target 'module-qtwayland-install_subtargets' failed
make: *** [module-qtwayland-install_subtargets] Error 2

The build is really not cooperating with me. Do you have any suggestions?

SGaist

Did you do a complete build before qtscript ?

On a side note, if you want to avoid having to uncompress the sources each time. Just do an out of source build.

Aras

@SGaist yes as far as I know, I did a complete build. In my last build after I deleted the initial source folder, I did an out of source build as someone else had also recommended that to me.

I still am not able to install the qtscript module. What do you think I might be missing?

SGaist

Check the size of the library files created and try to build a dummy project using the QtScript module.

Aras

@SGaist here is a list of library files in my build folder (since they are not installed yet):

$ ls -sl /home/aras/Projects/shared-build-qt5.7.0/qtscript/lib/
total 4072
   4 drwxrwxr-x 4 aras aras    4096 Aug 16 14:11 cmake
   4 -rw-rw-r-- 1 aras aras     716 Aug 16 14:10 libQt5Script.la
   4 -rw-rw-r-- 1 aras aras    1206 Aug 16 14:10 libQt5Script.prl
   0 lrwxrwxrwx 1 aras aras      21 Aug 16 14:11 libQt5Script.so -> libQt5Script.so.5.7.0
   0 lrwxrwxrwx 1 aras aras      21 Aug 16 14:11 libQt5Script.so.5 -> libQt5Script.so.5.7.0
   0 lrwxrwxrwx 1 aras aras      21 Aug 16 14:11 libQt5Script.so.5.7 -> libQt5Script.so.5.7.0
2912 -rwxrwxr-x 1 aras aras 2979368 Aug 16 14:11 libQt5Script.so.5.7.0
   4 -rw-rw-r-- 1 aras aras     751 Aug 16 14:11 libQt5ScriptTools.la
   4 -rw-rw-r-- 1 aras aras    1221 Aug 16 14:11 libQt5ScriptTools.prl
   0 lrwxrwxrwx 1 aras aras      26 Aug 16 14:11 libQt5ScriptTools.so -> libQt5ScriptTools.so.5.7.0
   0 lrwxrwxrwx 1 aras aras      26 Aug 16 14:11 libQt5ScriptTools.so.5 -> libQt5ScriptTools.so.5.7.0
   0 lrwxrwxrwx 1 aras aras      26 Aug 16 14:11 libQt5ScriptTools.so.5.7 -> libQt5ScriptTools.so.5.7.0
1136 -rwxrwxr-x 1 aras aras 1162304 Aug 16 14:11 libQt5ScriptTools.so.5.7.0
   4 drwxrwxr-x 2 aras aras    4096 Aug 16 14:11 pkgconfig

Can you explain more how I make a dummy project to test the lib? Remember I am trying to build Qt Creator, so I don't have it yet. Should I just make a simple C++ file and try to build it in command line with qcc? Or do I need to configure it with qmake?

SGaist

You can either use your distribution provided Qt Creator or the one from the installer.

Or just build one of QtScript examples.

Aras

@SGaist I rather not install the distro provided qt. I did that on another machine and it gets pretty confusing with multiple versions of Qt installed in parallel. I see if I can find a QtScript example, is there one that you know?

Edit: I found a bunch of script example projects in ~/Projects/qt-everywhere-opensource-src-5.7.0/qtscript/examples/script. The readme refers to docs, so I do not know how to build them yet, but will try to find out. But I tried just running qmake in one of the example folders and I get this error:

.../examples/script/calculator$ qmake
Info: creating stash file /home/aras/Projects/qt-everywhere-opensource-src-5.7.0/qtscript/.qmake.stash
Project ERROR: Unknown module(s) in QT: script uitools

SGaist

Did you call make install after you built the module ?

Aras

I don't think I ran make install because qmake gave me that error above. Usually it says to run install if there are no errors.

I have since installed the binary distribution of Qt so that I am not blocked by this. But I still would like to learn how to do a full install of Qt and Qt Creator from source.

SGaist

Looks like you built the qtscript module successfully, that's why I'm asking whether you ran make install before trying to build the example.