Compiling ROOT 6.18.00 on Windows

[bou]

Dear All,

I try to compile ROOT but I experienced many errors. It seems I didn’t start the proper way.

Here is my cmake command line:

cmake -G “Visual Studio 16 2019” c:\root-6.18.00-source -DPYTHON_EXECUTABLE:FILEPATH=C:/Users/ode/AppData/Local/Programs/Python/Python37-32/python.exe -DPYTHON_INCLUDE_DIR:PATH=C:/Users/ode/AppData/Local/Programs/Python/Python37-32/include -DPYTHON_LIBRARY:FILEPATH=C:/Users/ode/AppData/Local/Programs/Python/Python37-32/libs/python37.lib

My CMakeCache.txt file is attached and the list of Errors too.

May you please help me?

List of Errors.txt (193.6 KB)
CMakeCache.txt (106.7 KB)

ROOT Version: 6.18.00
Platform: Windows 10
Compiler: Visual Studio 2019 - Windows Kit version 10.0.17763.0

[bellenot]

Open a x86 Native Tools Command Prompt for VS 2019 and try:

cmake -G "Visual Studio 16 2019" -A Win32 -Thost=x64 -DPYTHON_EXECUTABLE:FILEPATH=C:/Users/ode/AppData/Local/Programs/Python/Python37-32/python.exe -DPYTHON_INCLUDE_DIR:PATH=C:/Users/ode/AppData/Local/Programs/Python/Python37-32/include -DPYTHON_LIBRARY:FILEPATH=C:/Users/ode/AppData/Local/Programs/Python/Python37-32/libs/python37.lib c:\root-6.18.00-source

By default CMake select x64, which is not yet supported.

[bou]

Thank you very much for your reply, it works perfectly well.

The only problem now is that I get back to the error already identified:

Assertion failed: !(isOverridden && isOutOfDate) && "an overridden cannot be out-of-date", file C:\root\root-6.18.00-source\interpreter\llvm\src\tools\clang\include\clang/Serialization/Module.h, line 72

What I do not understand is that the very first time I started root I didn’t have this error and as soon as I closed it and started it again I got this error as seen on the pictures…

Is there a way to solve this problem at this stage?

[bellenot]

I’ve never seen such behavior… Could you try to start root from a x86 Native Tools Command Prompt for VS 2019?

[bou]

Thank you very much for your help.

[bellenot]

I’ll try to reproduce the problem. Note that it could be an issue which has already been fixed in the master (and maybe also in 6.18.04)

[bou]

@bellenot

(and maybe also in 6.18.04)

In case it can help, I have encountered this problem before with other versions of ROOT. This came back when I updated Visual Studio 2019 to version 16.3.7.

By the way, recompiling leads to the behavior described, works fine the very first time and then this error again.

Thank you again!

[bou]

I tried with the master version and it works…

I guess you were right.

Thank you again for your time!

[bellenot]

Cool! Thanks for trying!