From owner-svn-src-head@freebsd.org Fri Aug 25 18:07:58 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 923EFDDDE3F; Fri, 25 Aug 2017 18:07:58 +0000 (UTC) (envelope-from rlibby@gmail.com) Received: from mail-pg0-x22e.google.com (mail-pg0-x22e.google.com [IPv6:2607:f8b0:400e:c05::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 64F346A133; Fri, 25 Aug 2017 18:07:58 +0000 (UTC) (envelope-from rlibby@gmail.com) Received: by mail-pg0-x22e.google.com with SMTP id b8so2766602pgn.5; Fri, 25 Aug 2017 11:07:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Wak70XuFlEEKHU/YFE7Pn3VuSdk6Fb7HviKY3XoyxD4=; b=uJfdKJWNzapNdZOUZJz4Wccm6R2ZgmGdxQW49hkNNspVQhAiFfI/aD1cI8AIWHZj8X daW4dhGdOIOX3lyasUYHunc4gKmcJZGaDvJNqYrzdk/+3KZM2oN9o5ZEwP9sFZ79iLsX xzn0/GfDLqcXCR1cTATGDTMZZVo5ru+/u0vAzp5IxFxqA+O4x4RLQJ3Puu7sgOJkwmsL dw9bj4istcFtsTtP/PvG0HiN20yWgd2Tx8h8YryGckwSgr4cUGRpHawSwVRS2uYQT3Dz i6TxpqBLvsVrmbgEt5SGPnm/fbKpm7rBF55scJsmrWx939ZuN5Z/t8GLL/IPGNG+0hRJ ulfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Wak70XuFlEEKHU/YFE7Pn3VuSdk6Fb7HviKY3XoyxD4=; b=VE1WfyY4yy3FC1c5ToI1LxRMuHZT1uX03AoqueRz8xJWfVPu/HiT5FrnKXh6Cfedcx mgrElSMKN8bnyQ7i3Q12PUvjb+YQRYPo+5ansfkAT5Mp4GZSEPJbSL2Cw2zIIQxQobk0 svK5jM0KbXOhNhjMawKRthMdBCze9TqUZJK1/jJGGQgAP84wrPPn2VpSfqzq+BYva7wd a3cQHfACIOEuJNzuVRC2dbr93DddhwQkgY9eozumWtGjkz2qLJQgIfN512Z+HSt5jbWb z/ZDePv5c9Ix5R1MfNP9eJufjL1EcEG+TEJNt6LVUnNbwZ+k0DN+aDlC7P1PoZr18r61 giIA== X-Gm-Message-State: AHYfb5g94bhmyqvDLYfh4B1+VZyvX4lMtZobc7fG+rVAQlY2TjE9BHXH Gv2sZXVmx2sGNzhF4o5ZYjjd4OttPlwuyRM= X-Received: by 10.98.217.210 with SMTP id b79mr10237223pfl.110.1503684477387; Fri, 25 Aug 2017 11:07:57 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.207.193 with HTTP; Fri, 25 Aug 2017 11:07:56 -0700 (PDT) In-Reply-To: <201708232330.v7NNUPpV052276@repo.freebsd.org> References: <201708232330.v7NNUPpV052276@repo.freebsd.org> From: Ryan Libby Date: Fri, 25 Aug 2017 11:07:56 -0700 Message-ID: Subject: Re: svn commit: r322824 - in head: lib/clang share/mk usr.bin/clang To: John Baldwin Cc: src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Aug 2017 18:07:58 -0000 On Wed, Aug 23, 2017 at 4:30 PM, John Baldwin wrote: > Author: jhb > Date: Wed Aug 23 23:30:25 2017 > New Revision: 322824 > URL: https://svnweb.freebsd.org/changeset/base/322824 > > Log: > Improve the coverage of debug symbols for MK_DEBUG_FILES. > > - Include debug symbols in static libraries. This permits binaries > to include debug symbols for functions obtained from static libraries. > - Permit the C/C++ compiler flags added for MK_DEBUG_FILES to be > overridden by setting DEBUG_FILES_CFLAGS. Use this to limit the debug > information for llvm libraries and binaries. > > Reviewed by: emaste > Sponsored by: DARPA / AFRL > Differential Revision: https://reviews.freebsd.org/D12025 > > Added: > head/lib/clang/Makefile.inc (contents, props changed) > Modified: > head/share/mk/bsd.lib.mk > head/share/mk/bsd.prog.mk > head/share/mk/bsd.sys.mk > head/usr.bin/clang/Makefile.inc This causes llvm to emit hundreds of new warnings [1] for "DWARF2 only supports one section per compilation unit" Are these expected? Are they a concern? Should we silence them? Is this an upstream llvm bug [2]? [1] https://ci.freebsd.org/job/FreeBSD-head-amd64-build/4719/warnings9Result/new/ $ grep -A 1 "warning: DWARF2 only supports one section" consoleText.txt | grep -o "\.section.*" | sort | uniq -c 3 .section .fini,"ax",@progbits 6 .section .init 4 .section .init,"ax",@progbits 17 .section .note.GNU-stack,"",@progbits 2785 .section .note.GNU-stack,"",%progbits 2 .section .reloc, "a" 21 .section .rodata 1 .section __xen_guest [2] https://lists.freebsd.org/pipermail/freebsd-toolchain/2016-March/002122.html