Brecht Sanders

Hi, Determining the type, especially with date/time formats has proven to be quite difficult. Can you send me an example file so I can investigate? Regards Brecht

Dates and times are really stored as (floating point) numbers in Excel. Seeing them as date and time is more like a format thing. That 's why you get numbers...

Do you have the same problem without ccache?

I never got ccache 4 to work properly on Windows. Version 3 worked better, but I usually build without until they get it working properly....

I have seen PCH issues with MinGW-w64 for as long as I can remember, so I usually avoid precompiled headers. See also for example these bug reports: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105858 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14940

The idea of the winlibs build is to be relocatable. That's why gcc was configured with the `--disable-rpath` (do not hardcode runtime library paths) flag. So it looks like some...

Glad to hear you found a solution. If you want that fixed you should report this as a bug to the gcc developers. Clearly even with `--disable-rpath` the path is...

I'm not familiar with [build2](https://build2.org/) with the [winlibs](https://winlibs.com/) but it looks to me that it's a whole ecosystem with build system, build toolchain and package manager all in one. Personally...

Patching build2 0.14.0 to ignore non-existing directorys should fix it. Something like this: ``` patch -ulbf libbutl/libbutl/process.cxx

I have totally no experience with build2. You should ask whoever made build2 why it takes so much longer. I'm already glad I could get you from not building at...