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

Ranjit Menon ranjit.menon at intel.com
Tue Oct 20 19:15:01 CEST 2020


On 10/20/2020 9:37 AM, Dharmik Thakkar wrote:
>
>> On Oct 20, 2020, at 10:52 AM, Dmitry Kozlyuk <dmitry.kozliuk at gmail.com> wrote:
>>
>> On Tue, 20 Oct 2020 12:51:14 +0000, Dharmik Thakkar wrote:
>>> 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.
>> Ubuntu 18.04 has MinGW-w64 5.0.4, while 6.0.0 is required (note: MinGW-w64
>> version is not the same as GCC version). I've certainly hit this issue with
>> older MinGW.
> Got it, thank you! FWIW, documentation [1] doesn’t mention about the 6.0.0 requirement
>
> [1] https://doc.dpdk.org/guides/windows_gsg/build_dpdk.html

While we're at this, we should also update this with the minimum 
required version of the Clang compiler.

ranjit m.



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