Qt 5.15.2 build error

montarou

I want to install Qt5 compiling source on a Linux Ubuntu 23.10 OS (Mantic)
I download the qt-everywhere-src-5.15.2.tar.gz file from the Qt
(http://download.qt.io/archive/qt/5.15/5.15.2/single page

after unzipping this file, i did a shadow building, that i create a qt-everywhere-src-5.15.2-build directory out of the src file.
i run inside the build directory, the configure file

cd ~/qt-everywhere-src-5.15.2-build
~/ qt-everywhere-src-5.15.2/configure

I should modify the ~/qt-everywhere-src-5.15.2/qtbase/src/corelib/global/qglobal.h file to avoid a first error (error : ‘numeric_limits’ is not a class template..)

Such an error is documented on the web. One should add the three first lines to the qglobal.h header file

#ifdef __cplusplus
#include<limits>
#endif

Afterthat configure is successfull and generate makefiles in the ~/qt-everywhere-src-5.15.2-build repertory

I ran then make but have the following error

I try on a second PC the same process. I note that on this other PC the output lines were different since it request that llvm-config file is in the PATH

So i add in my .basrhc file ‘export PATH=${PATH}:/usr/lib/llvm-13/bin’

In addition i add différents packages with synaptic :

I ran again make put get same error.

I did not found any information on the web on such an error

Christian Ehrlicher

What gcc version do you use for compiling? Looks like it is to old.

montarou

@Christian-Ehrlicher i use gcc 13.2.0

Christian Ehrlicher

@montarou then I would not expect such an error since this is plain c++11. Make sure the correct compiler is used.

SGaist

Hi,

Since you are building Qt yourself, you should also grab the sources of the latest available version in the series.

montarou

@SGaist i did it but got the following error

Christian Ehrlicher

As already written - you most likely use a wrong ancient compiler instead the one you're thinking you use.
Make sure to really use the correct one. run make with VERBOSE=1 to see the actual compiler invocations.