Can it be used on Windows system

[dainellzl]

Can it be used on Windows system

[webisu]

The pre-github version of wgrib2 (v3.1.3) was tested on Windows using cygwin. I have only tried compiling the github version of wgrib2 under Ubuntu. So using WSL and running Ubuntu is almost guaranteed to work. So will a virtual machine running Ubuntu. ref: https://ftp.cpc.ncep.noaa.gov/wd51we/wgrib2/Windows10/

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[webisu]

I just checked the available cygwin libraries, and openblas, jasper, netcdf and aec libraries are available. So compiling wgrib2 from the current github sources is theoretically possible. Without documentation .. success will depend on your experience with cmake.

[edwardhartnett]

GitHub actions offer windows builds as well, so we need to have a windows CI run if windows is to be supported.

See the g2c project for an example.

[webisu]

Supporting arbitrary Windows compilers is a pain because they support varying subsets of the Posix standard. So you have to know which codes to turn off. The cygwin compiler has been "free" to support because it works like a linux version of gcc.

[edwardhartnett]

On g2c we support gcc and clang on windows. See https://github.com/NOAA-EMC/NCEPLIBS-g2c/blob/develop/.github/workflows/windows.yml

wgrib2 is C right?

[mdupilka]

When trying to 3.5.0 on windows I get the make error
make: *** No targets specified and no makefile found. Stop.

There is little to no documentation on how to install since grib2 was migrated to github.
Any help and documentation would be greatly appreciated.