Strange warnings while linking to openssl version 1.1.1k

[Matt Caswell]

On 12/04/2021 21:52, Robert Smith via openssl-users wrote:
> Hi,
> 
> I am getting the following warning while linking my app to openssl 
> version 1.1.1k. Could you advise what can cause these warnings and how 
> to resolve them? Thanks

It looks like your environment cannot support the async functionality. 
Compile OpenSSL with the "no-async" compile time option to squash these 
warnings.

Matt



> 
> ../../../artifacts/openssl/arm3531/lib/libcrypto.a(async_posix.o): In 
> function `ASYNC_is_capable':
> async_posix.c:(.text+0x48): warning: warning: getcontext is not 
> implemented and will always fail
> ../../../artifacts/openssl/arm3531/lib/libcrypto.a(async.o): In function 
> `async_fibre_swapcontext':
> async.c:(.text+0x248): warning: warning: setcontext is not implemented 
> and will always fail
> ../../../artifacts/openssl/arm3531/lib/libcrypto.a(async_posix.o): In 
> function `async_fibre_makecontext':
> async_posix.c:(.text+0xe8): warning: warning: makecontext is not 
> implemented and will always fail
> ../../../artifacts/openssl/arm3531/lib/libcrypto.a(async_posix.o): In 
> function `ASYNC_is_capable':
> async_posix.c:(.text+0x48): warning: warning: getcontext is not 
> implemented and will always fail
> ../../../artifacts/openssl/arm3531/lib/libcrypto.a(async.o): In function 
> `async_fibre_swapcontext':
> async.c:(.text+0x248): warning: warning: setcontext is not implemented 
> and will always fail
> ../../../artifacts/openssl/arm3531/lib/libcrypto.a(async_posix.o): In 
> function `async_fibre_makecontext':
> async_posix.c:(.text+0xe8): warning: warning: makecontext is not 
> implemented and will always fail
> 
>