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

[Dharmik Thakkar]

> 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