From owner-freebsd-standards@freebsd.org Wed Apr 21 14:33:22 2021 Return-Path: Delivered-To: freebsd-standards@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D7AD95E727C for ; Wed, 21 Apr 2021 14:33:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4FQNMQ5Zfnz3Pmc for ; Wed, 21 Apr 2021 14:33:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id BF7605E7A99; Wed, 21 Apr 2021 14:33:22 +0000 (UTC) Delivered-To: standards@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id BF3B45E7B82 for ; Wed, 21 Apr 2021 14:33:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FQNMQ4yBlz3Q6f for ; Wed, 21 Apr 2021 14:33:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 9D33D27E10 for ; Wed, 21 Apr 2021 14:33:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 13LEXMcd002450 for ; Wed, 21 Apr 2021 14:33:22 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 13LEXMjR002449 for standards@FreeBSD.org; Wed, 21 Apr 2021 14:33:22 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: standards@FreeBSD.org Subject: [Bug 255290] _POSIX_C_SOURCE=200809 hides static_assert Date: Wed, 21 Apr 2021 14:33:22 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: standards X-Bugzilla-Version: Unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: tobik@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: standards@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-standards@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Standards compliance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Apr 2021 14:33:22 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D255290 --- Comment #4 from Tobias Kortkamp --- > static_assert was added, I believe, in C11 and C++11. As such, it should > be hidden from the 2008 posix environment. This was my initial reaction too when I tried to defend FreeBSD's behavior. But what are you basing this on? > If POSIX 2008 and/or C99 do not mandate static_assert, it must be hidden = for > them. A general rule is that system headers cannot pollute name spaces of= the > user when directed to do so by things like POSIX_C_SOURCE. That would be fine if we were asking for C99 but we are asking for C11 with POSIX 2008 specifically, so should static_assert then not be unhidden since it is allowed by C11? > Additional symbols not required or explicitly permitted by IEEE Std 1003.= 1-2001 > to be in that header shall not be made visible, except when enabled by an= other > feature test macro. Would you interpret -std=3D{c,gnu}11 as "another feature test macro" (or something that sets some, specifically __STDC_VERSION__=3D201112)? --=20 You are receiving this mail because: You are the assignee for the bug.=