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[209.85.208.171]) by smtp.gmail.com with ESMTPSA id j26sm7181397lja.111.2020.08.09.04.37.17 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 09 Aug 2020 04:37:18 -0700 (PDT) Received: by mail-lj1-f171.google.com with SMTP id g6so6640881ljn.11 for ; Sun, 09 Aug 2020 04:37:17 -0700 (PDT) X-Received: by 2002:a2e:9bc6:: with SMTP id w6mr4198271ljj.404.1596973037572; Sun, 09 Aug 2020 04:37:17 -0700 (PDT) MIME-Version: 1.0 References: <20200807212855.GB2551@kib.kiev.ua> <20200808133000.GC2551@kib.kiev.ua> In-Reply-To: <20200808133000.GC2551@kib.kiev.ua> From: Gleb Popov Date: Sun, 9 Aug 2020 15:36:51 +0400 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Undefined reference to __atomic_store_8 To: Konstantin Belousov Cc: toolchain@freebsd.org X-Rspamd-Queue-Id: 4BPcX05WJRz40Jt X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of 6yearold@gmail.com designates 209.85.167.51 as permitted sender) smtp.mailfrom=6yearold@gmail.com X-Spamd-Result: default: False [-2.13 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; NEURAL_HAM_LONG(-0.97)[-0.965]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[toolchain@freebsd.org]; DMARC_NA(0.00)[freebsd.org]; RCVD_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.38)[-0.379]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[209.85.167.51:from]; NEURAL_HAM_MEDIUM(-0.78)[-0.781]; FREEMAIL_TO(0.00)[gmail.com]; FORGED_SENDER(0.30)[arrowd@freebsd.org,6yearold@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.167.51:from]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[arrowd@freebsd.org,6yearold@gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Aug 2020 11:37:22 -0000 On Sat, Aug 8, 2020 at 5:30 PM Konstantin Belousov wrote: > For code generated by gcc or clang, yes. > If the reference to the symbol was generated by ghc, then I do not know. > This doesn't seem to work. The code referencing __atomic_load_n() is C and GHC buildsystem already passes -march=i686. Still, the problem persists. Interestingly, 12.1-RELEASE-p2 doesn't have this problem, but 12.1-RELEASE-p7 does. What library provides these symbols when clang is used? And I'm a bit obscured how -march flag can affect these symbols' visibility at all?