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Date:      Tue, 11 May 2021 07:49:07 +0900 (JST)
From:      Yasuhiro Kimura <yasu@utahime.org>
To:        freebsd-ports@freebsd.org
Subject:   Re: Build of Python 3.8.10/3.9.5 fails on 12.2-RELEASE
Message-ID:  <20210511.074907.1412377303751995160.yasu@utahime.org>
In-Reply-To: <20210510.162903.380143401307101301.yasu@utahime.org>
References:  <20210510.162903.380143401307101301.yasu@utahime.org>

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From: Yasuhiro Kimura <yasu@utahime.org>
Subject: Build of Python 3.8.10/3.9.5 fails on 12.2-RELEASE
Date: Mon, 10 May 2021 16:29:03 +0900 (JST)

> I submitted patches to update lang/python3[89] to 3.8.10/3.9.5
> respectively.
> 
> Bug 255729 - lang/python38: Update to 3.8.10
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255729
> Bug 255730 - lang/python39: Update to 3.9.5
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255730
> 
> I created them on 13.0-RELEASE. But after submitting them I found
> build of them fail on 12.2-RELEASE as following.
> 
> ----------------------------------------------------------------------
> /wrkdirs/usr/ports/lang/python38/work/Python-3.8.10/Modules/_ssl.c:3118:27: error: implicit declaration of function 'SSLv3_method' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
>         ctx = SSL_CTX_new(SSLv3_method());
>                           ^
> /wrkdirs/usr/ports/lang/python38/work/Python-3.8.10/Modules/_ssl.c:3118:27: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'const SSL_METHOD *' (aka 'const struct ssl_method_st *') [-Wint-conversion]
>         ctx = SSL_CTX_new(SSLv3_method());
>                           ^~~~~~~~~~~~~~
> /usr/include/openssl/ssl.h:1503:47: note: passing argument to parameter 'meth' here
> __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
>                                               ^
> 2 warnings and 1 error generated.
> ----------------------------------------------------------------------
> 
> Full build logs.
> 
> 3.8.10 on 12.2-RELEASE:
> https://www.utahime.org/FreeBSD/poudriere/data/logs/bulk/122amd64-default-python/2021-05-10_11h21m50s/logs/python38-3.8.10.log
> 3.8.10 on 13.0-RELEASE:
> https://www.utahime.org/FreeBSD/poudriere/data/logs/bulk/130amd64-default-python/2021-05-10_11h24m03s/logs/python38-3.8.10.log
> 3.9.5 on 12.2-RELEASE:
> https://www.utahime.org/FreeBSD/poudriere/data/logs/bulk/122amd64-default-python/2021-05-10_11h26m11s/logs/python39-3.9.5.log
> 3.9.5 on 13.0-RELEASE:
> https://www.utahime.org/FreeBSD/poudriere/data/logs/bulk/130amd64-default-python/2021-05-10_11h28m01s/logs/python39-3.9.5.log
> 
> Futher, build also succeeds with 14-CURRENT and 11.4-RELEASE. So it
> fails only with 12.2-RELEASE.
> 
> Since FreeBSD 12 or later use OpenSSL 1.1.1, it means build fails with
> OpenSSL 1.1.1 in one case but succeeds in other cases. It seems quite
> strange for me.
> 
> Any suggestions?

I investigated repository of Python and found following commits
(bpo-43799) are the source of the problem.

[3.8] bpo-43799: OpenSSL 3.0.0: declare OPENSSL_API_COMPAT 1.1.1 (GH-25329) (GH-25383)
https://github.com/python/cpython/commit/b71aaa0df0f3a9640b034b4774651cd8c54d2fb9
[3.9] bpo-43799: OpenSSL 3.0.0: declare OPENSSL_API_COMPAT 1.1.1 (GH-25329) (GH-25382)
https://github.com/python/cpython/commit/7d9d5bf863bb0af26b74b0732ab89b2053d2fbec

I created patches to revert these commits and added them to both
ports. Then they can be built fine with 12.2-RELEASE.

---
Yasuhiro Kimura



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