[PATCH] eal/windows: fix mingw build

[Bruce Richardson]

On Wed, Nov 22, 2023 at 05:36:44PM +0100, David Marchand wrote:
> On Wed, Nov 22, 2023 at 5:32 PM Bruce Richardson
> <bruce.richardson at intel.com> wrote:
> >
> > When compiling with mingw on Ubuntu 23.10, I get the following compiler
> > error:
> >
> > ../../lib/eal/windows/eal_memory.c:77: error: "MEM_REPLACE_PLACEHOLDER" redefined [-Werror]
> >    77 | #define MEM_REPLACE_PLACEHOLDER   0x00004000
> >       |
> > In file included from /usr/share/mingw-w64/include/minwindef.h:163,
> >                  from /usr/share/mingw-w64/include/windef.h:9,
> >                  from /usr/share/mingw-w64/include/windows.h:69,
> >                  from ../../lib/eal/windows/include/rte_windows.h:32,
> >                  from ../../lib/eal/windows/include/rte_os_shim.h:9,
> >                  from ../../lib/eal/common/eal_internal_cfg.h:14,
> >                  from ../../lib/eal/windows/eal_memory.c:11:
> > /usr/share/mingw-w64/include/winnt.h:5710: note: this is the location of the previous definition
> >  5710 | #define MEM_REPLACE_PLACEHOLDER 0x4000
> >
> > and a similar error for MEM_RESERVE_PLACEHOLDER. These errors can be
> > fixed by wrapping the two defines in #ifndef .. #endif blocks.
> >
> > Fixes: 2a5d547a4a9b ("eal/windows: implement basic memory management")
> > Cc: dmitry.kozliuk at gmail.com
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> 
> Probably a duplicate of
> https://patchwork.dpdk.org/project/dpdk/patch/20231114170529.176665-1-getelson@nvidia.com/
>

Yep, duplicate. I'll reject my patch in patchwork. Hopefully the patch
above will be merged soon to make this issue go away! :-)

/Bruce