Re: MSYS2 and libfdt

[Thomas Huth <thuth@redhat.com>]

On 19/01/2023 09.55, Stefan Weil wrote:
> Am 19.01.23 um 09:14 schrieb Thomas Huth:
> 
>>
>>  Hi all,
>>
>> in some spare minutes, I started playing with a patch to try to remove the 
>> dtc submodule from the QEMU git repository - according to 
>> https://repology.org/project/dtc/versions our supported build platforms 
>> should now all provide the minimum required version.
>>
>> However, I'm hitting a problem with Windows / MSYS2 in the CI jobs: The 
>> libfdt is packaged as part of the dtc package there:
>>
>>  https://packages.msys2.org/package/dtc
>>
>> ... meaning that it is added with a usr/include and usr/lib path prefix 
>> instead of mingw64/include and mingw64/lib like other packages are using 
>> (see e.g. 
>> https://packages.msys2.org/package/mingw-w64-x86_64-zlib?repo=mingw64). 
>> Thus the compiler does not find the library there. Also there does not 
>> seem to be a difference between a i686 (32-bit) and x86_64 (64-bit) 
>> variant available here? Does anybody know how libfdt is supposed to be 
>> used with MSYS2 ?
>>
>>  Thomas
> 
> 
> Hi Thomas,
> 
> "dtc" is not the right package for cross builds. We'd require 
> mingw-w64-i686-dtc and mingw-w64-x86_64-dtc packages for the QEMU build, but 
> those packages are currently not provided by MSYS2.

Ok, thanks ... so that basically means we cannot get rid of the dtc 
submodule yet.

  Thomas