Re: [dpdk-dev] [PATCH 6/6] doc: guide for Windows build using MinGW-w64

[Thomas Monjalon <thomas@monjalon.net>]

31/01/2020 04:07, Dmitry Kozlyuk:
> Instructions for different toolchains presented as options on the
> corresponging steps of the guide, so that common parts may be reused.
> 
> Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
[...]
> --- a/doc/guides/windows_gsg/build_dpdk.rst
> +++ b/doc/guides/windows_gsg/build_dpdk.rst
> -The DPDK and its applications require the Clang-LLVM C compiler
> -and Microsoft MSVC linker.
> +Building the DPDK and its applications requires one of the following
> +environments:
> +
> +* The Clang-LLVM C compiler and Microsoft MSVC linker.
> +* The MinGW-w64 toolchain (either native or cross).
[...]
> +Option 1. Native Build on Windows
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>  
> -Specifying the compiler might be required to complete the meson command.
> +When using Clang-LLVM, specifying the compiler might be required to complete
> +the meson command:
[...]
> +When using MinGW-w64, it is sufficient to have toolchain executables in PATH:
[...]
> +Option 2. Cross-Compile with MinGW-w64
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

I think having the choice between GCC and Clang for Windows is very cool.

When starting the Windows port, I asked the fundamental question of the
supported compilers. The answer was MinGW adds "non-standard" DLLs:
	https://mails.dpdk.org/archives/dev/2019-January/124236.html

Now the question is to know which one is the easiest to use?
If I understand well, MinGW brings the missing parts we are trying
to add in the DPDK repository for compliance with POSIX libraries.