[dpdk-dev] Compiler for Windows
Thomas Monjalon
thomas at monjalon.net
Thu Jan 3 18:32:45 CET 2019
Hi Jason,
We need to get facts in order to do a good decision.
Please, let's give detailed feedback for each option.
03/01/2019 18:10, Jason Messer:
> +Jeffrey, Manasi
>
> We will get the most traction from the Windows developer community
> if we use msvc. The only thing preventing that last time was
> GNU extensions used in DPDK source which were not ISO C standards
> compliant.
I think the main issue is that MSVC is not C99 compliant.
> We were also experimenting with Clang/LLVM running natively on Windows
> host but ran into a bunch of issues (maybe others made further progress?).
Chromium is built with clang on Windows, so I wonder what prevents us
to use it?
> GCC using Windows Subsystem for Linux (WSL) would be an interesting
> option and could be a secondary option for MSVC for Windows developers.
I thought GCC on WSL would build a Linux binary?
Can we build a Windows native binary with it?
What about mingw-w64? Is there any drawback?
> From: Stephen Hemminger <stephen at networkplumber.org>
> > What about Gcc under the WSL thing (ie Linux emulation in Windows).
> > Much better than Cygwin type stuff.
> >
> > From: Thomas Monjalon <thomas at monjalon.net>
> > > Hi,
> > >
> > > We need to gather inputs about the pros/cons of the C compilers
> > > available for Windows.
> > >
> > > Interesting criterias could be:
> > > - ease of use
> > > - availability
> > > - standards compliance
> > > - performance
> > >
> > > When the comparison will be complete, we should publish it in the doc/
> > > directory, while porting DPDK to Windows.
> > >
> > > I start with few data:
> > >
> > > * gcc|clang on cygwin
> > >
> > > - not native
> > >
> > > * gcc/mingw
> > >
> > > * gcc/mingw-w64
> > >
> > > * clang/mingw-w64
> > >
> > > * clang --target=x86_64-windows-msvc
> > >
> > > * icc
> > >
> > > - not freely available
> > >
> > > * msvc
> > >
> > > - native
> > > - specific command line
> > > - not C99
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