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Mon, 29 Jun 2020 08:12:52 +0000 Received: from AM0PR05MB5313.eurprd05.prod.outlook.com ([fe80::9da9:e159:add2:64ee]) by AM0PR05MB5313.eurprd05.prod.outlook.com ([fe80::9da9:e159:add2:64ee%3]) with mapi id 15.20.3131.026; Mon, 29 Jun 2020 08:12:51 +0000 From: Tal Shnaiderman <talshn@mellanox.com> To: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>, Ranjit Menon <ranjit.menon@intel.com> CC: Fady Bader <fady@mellanox.com>, "dev@dpdk.org" <dev@dpdk.org>, Dmitry Malloy <dmitrym@microsoft.com>, Narcisa Ana Maria Vasile <Narcisa.Vasile@microsoft.com>, Thomas Monjalon <thomas@monjalon.net>, Olivier Matz <olivier.matz@6wind.com> Thread-Topic: [dpdk-dev] [PATCH 6/7] cmdline: support Windows Thread-Index: AQHWR0aFLL+KXPoj2kqX0TTdnIRIu6juH+EAgAENGICAABY0gIAABViQ Date: Mon, 29 Jun 2020 08:12:51 +0000 Message-ID: <AM0PR05MB531357486EF9599503580488A96E0@AM0PR05MB5313.eurprd05.prod.outlook.com> References: <20200620210511.13134-1-dmitry.kozliuk@gmail.com> <20200620210511.13134-7-dmitry.kozliuk@gmail.com> <VI1PR05MB5872166540572031222B60E5BF910@VI1PR05MB5872.eurprd05.prod.outlook.com> <8b908479-d64c-495d-3a69-de561f2608e8@intel.com> <20200629104239.7c0d3d68@sovereign> In-Reply-To: <20200629104239.7c0d3d68@sovereign> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmail.com; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM0PR05MB5313.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a2d5247b-0740-4241-8609-08d81c043813 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jun 2020 08:12:51.7986 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: SDi/ocGXk1Zb3fpY3NuVrCYT4JLNQ710RLsAY1vdMrZWzglKiqYjMgYkseLg0MkDMkqQvjxikjgHojFOhlwf5g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0502MB3956 Subject: Re: [dpdk-dev] [PATCH 6/7] cmdline: support Windows X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> > From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com> > Subject: Re: [dpdk-dev] [PATCH 6/7] cmdline: support Windows >=20 > On Sun, 28 Jun 2020 23:23:11 -0700, Ranjit Menon wrote: > > On 6/28/2020 7:20 AM, Fady Bader wrote: > > > Hi Dmitry, > > > I'm trying to run test-pmd on Windows and I ran into this error with > cmdline. > > > > > > The error log message is : > > > In file included from ../app/test-pmd/cmdline_flow.c:23: > > > ..\lib\librte_cmdline/cmdline_parse_num.h:24:2: error: 'INT64' > redeclared as different kind of symbol > > > INT64 > > > > > > In file included from C:/mingw-w64/x86_64/mingw64/x86_64-w64- > mingw32/include/winnt.h:150, > > > from C:/mingw-w64/x86_64/mingw64/x86_64-w64- > mingw32/include/minwindef.h:163, > > > from C:/mingw-w64/x86_64/mingw64/x86_64-w64- > mingw32/include/windef.h:8, > > > from C:/mingw-w64/x86_64/mingw64/x86_64-w64- > mingw32/include/windows.h:69, > > > from ..\lib/librte_eal/windows/include/rte_windows.= h:22, > > > from ..\lib/librte_eal/windows/include/pthread.h:20= , > > > from ..\lib/librte_eal/include/rte_per_lcore.h:25, > > > from ..\lib/librte_eal/include/rte_errno.h:18, > > > from ..\lib\librte_ethdev/rte_ethdev.h:156, > > > from ../app/test-pmd/cmdline_flow.c:18: > > > C:/mingw-w64/x86_64/mingw64/x86_64-w64- > mingw32/include/basetsd.h:32:44: note: previous declaration of 'INT64' wa= s > here > > > __MINGW_EXTENSION typedef signed __int64 INT64,*PINT64; > > > > > > The same error is for the other types defined in cmdline_numtype. > > > > > > This problem with windows.h is popping in many places and some of > > > them are cmdline and test-pmd and librte_net. > > > We should find a way to exclude windows.h from the unneeded places, > > > is there any suggestions on how it can be done ? > > > > We ran into this same issue when working with the code that is on the > > draft repo. > > > > The issue is that UINT8, UINT16, INT32, INT64 etc. are reserved types > > in Windows headers for integer types. We found that it is easier to > > change the enum in cmdline_parse_num.h than try to play with the > > include order of headers. AFAIK, the enums were only used to determine > > the type in a series of switch() statements in librte_cmdline, so we > > simply renamed the enums. Not sure, if that will be acceptable here. >=20 > +1 for renaming enum values. It's not a problem of librte_cmdline itself > +but a > problem of its consumption on Windows, however renaming enum values > doesn't break ABI and winn make librte_cmdline API "namespaced". >=20 > I don't see a clean way not to expose windows.h, because pthread.h > depends on it, and if we hide implementation, librte_eal would have to > export pthread symbols on Windows, which is a hack (or is it?). test_pmd redefine BOOLEAN and PATTERN in the index enum, I'm not sure how m= any more conflicts we will face because of this huge include. Also, DPDK applications will inherit it unknowingly, not sure if this is co= mmon for windows libraries. >=20 > -- > Dmitry Kozlyuk