OpenSSL version 3.3.0 published

[Neil Horman]

We added support for RCU locks in 3.3 which required the use of atomics (or
emulated atomic where they couldn't be supported), but those were in
libcrypro not liberal



On Sun, May 12, 2024, 7:26 PM Dennis Clarke via openssl-users <
openssl-users at openssl.org> wrote:

>
> On 4/9/24 08:56, OpenSSL wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA256
> >
> >
> >     OpenSSL version 3.3.0 released
> >     ==============================
> >
>
>
> Trying to compile this on an old Solaris 10 machine and over and over
> and over I see these strange things as Undefined symbols :
>
> Undefined                       first referenced
>   symbol                             in file
> __atomic_store_4                    ./libssl.so
> __atomic_fetch_add_4                ./libssl.so
> __atomic_fetch_sub_4                ./libssl.so
> atomic_thread_fence                 ./libssl.so
> __atomic_load_4                     ./libssl.so
> ld: fatal: symbol referencing errors. No output written to apps/openssl
> gmake[1]: *** [Makefile:12601: apps/openssl] Error 2
> gmake[1]: Leaving directory
> '/opt/bw/build/openssl-3.3.0_SunOS_5.10_SPARC64.002'
> gmake: *** [Makefile:1978: build_sw] Error 2
>
>
> Those look like strange C11 atomics. Are they really needed somewhere?
>
> I see include/internal/refcount.h talks about C11 atomics and yet the
> entire code base is supposed to be C90 clean.  See section the OpenSSL
> Coding Style policy :
>
>      https://www.openssl.org/policies/technical/coding-style.html
>
>      Chapter 14: Portability
>
>          To maximise portability the version of C defined in
>          ISO/IEC 9899:1990 should be used. This is more commonly
>          referred to as C90. ISO/IEC 9899:1999 (also known as C99) is
>          not supported on some platforms that OpenSSL is used on and
>          therefore should be avoided.
>
>
> Perhaps I need to define OPENSSL_DEV_NO_ATOMICS ?
>
>
> Dennis Clarke
> RISC-V/SPARC/PPC/ARM/CISC
> UNIX and Linux spoken
>
>
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