[dpdk-dev] [RFC] rcu: build on Windows

Honnappa Nagarahalli Honnappa.Nagarahalli at arm.com
Tue Oct 20 17:40:22 CEST 2020


<snip>
> 
> > On Oct 20, 2020, at 3:34 AM, Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>
> wrote:
> >
> > On Tue, 20 Oct 2020 10:13:11 +0200, David Marchand wrote:
> >> On Tue, Oct 20, 2020 at 1:34 AM Dharmik Thakkar
> <dharmik.thakkar at arm.com> wrote:
> >>>
> >>> Build the lib for Windows.
> >>>
> >>> Change-Id: Ib83431a9ee56a7b38445f0474cb9a12b17cf18f9
> >>> Signed-off-by: Dharmik Thakkar <dharmik.thakkar at arm.com>
> >>> ---
> >>> lib/meson.build | 1 +
> >>> 1 file changed, 1 insertion(+)
> >>>
> >>> diff --git a/lib/meson.build b/lib/meson.build index
> >>> dd55b5cb53e4..1bb019720c6a 100644
> >>> --- a/lib/meson.build
> >>> +++ b/lib/meson.build
> >>> @@ -41,6 +41,7 @@ if is_windows
> >>>                'telemetry',
> >>>                'eal',
> >>>                'ring',
> >>> +               'rcu',
> >>>                'mempool', 'mbuf', 'net', 'meter', 'ethdev', 'pci',
> >>>                'cmdline',
> >>>                'hash',
> >>> --
> >>> 2.17.1
> >>>
> >>
> >> If we skip the new failures in Intel CI due to kni build being
> >> broken, I see that Windows build is fine but I have no log of it.
> >> UNH lab skipped testing this patch, as it is a RFC (iiuc).
> >> We need more tests, but on the principle, what do you think about
> enabling rcu?
> >
> > Builds OK with Linux/GCC (cross), Windows/MinGW-w64, Windows/clang.
> >
> > Tested-by: Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>
> 
> Thank you for testing, Dmitry!
> 
> I tried cross-compilation on Linux (Ubuntu 18.04) with MinGW-w64 toolchain,
> but I am seeing some compilation error:
> 
> ../lib/librte_eal/common/eal_common_dev.c: In function ‘rte_dev_probe’:
> ../lib/librte_eal/common/eal_common_dev.c:215:12: error: ‘ENOMSG’
> undeclared (first use in this function); did you mean ‘NPMSG’?
>     return -ENOMSG;
>             ^~~~~~
>             NPMSG
> ../lib/librte_eal/common/eal_common_dev.c:215:12: note: each undeclared
> identifier is reported only once for each function it appears in
> ../lib/librte_eal/common/eal_common_dev.c: In function
> ‘rte_dev_remove’:
> ../lib/librte_eal/common/eal_common_dev.c:361:12: error: ‘ENOMSG’
> undeclared (first use in this function); did you mean ‘NPMSG’?
>     return -ENOMSG;
>             ^~~~~~
>             NPMSG
> 
> [52/178] Compiling C object
> 'lib/lib@@rte_eal at sta/librte_eal_windows_eal_memory.c.obj'.
> ninja: build stopped: subcommand failed.
> 
> 
> Any help is appreciated.
Just to be clear, these errors are not stopping us from moving forward with this patch (as the CI for windows is passing and Dmitry has tested it in his environment).

> 
> 



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