From owner-freebsd-toolchain@freebsd.org Mon Nov 28 20:30:34 2016 Return-Path: Delivered-To: freebsd-toolchain@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 6E323C58F22 for ; Mon, 28 Nov 2016 20:30:34 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 3E24415A1 for ; Mon, 28 Nov 2016 20:30:34 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id uASKUYul051844 for ; Mon, 28 Nov 2016 20:30:34 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-toolchain@FreeBSD.org Subject: [Bug 214902] head -r309179 buildworld on powerpc64 via clang 3.9.0: llvm::sys::CompareAndSwap and llvm::sys::MemoryFence undefined so build stops Date: Mon, 28 Nov 2016 20:30:34 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markmi@dsl-only.net X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-toolchain@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-toolchain@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Nov 2016 20:30:34 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D214902 --- Comment #1 from Mark Millard --- (In reply to Mark Millard from comment #0) The stage was: >>> stage 1.2: bootstrap tools During: --- _bootstrap-tools-usr.bin/clang/clang-tblgen --- and . . . --- _bootstrap-tools-usr.bin/clang/llvm-tblgen --- It looks like this llvm activity needs to compile and link in: llvm/lib/Support/Atomic.cpp which defines the two routines: #include "llvm/Support/Atomic.h" #include "llvm/Config/llvm-config.h" using namespace llvm; #if defined(_MSC_VER) #include #include #undef MemoryFence #endif #if defined(__GNUC__) || (defined(__IBMCPP__) && __IBMCPP__ >=3D 1210) #define GNU_ATOMICS #endif void sys::MemoryFence() { #if LLVM_HAS_ATOMICS =3D=3D 0 return; #else # if defined(GNU_ATOMICS) __sync_synchronize(); # elif defined(_MSC_VER) MemoryBarrier(); # else # error No memory fence implementation for your platform! # endif #endif } sys::cas_flag sys::CompareAndSwap(volatile sys::cas_flag* ptr, sys::cas_flag new_value, sys::cas_flag old_value) { #if LLVM_HAS_ATOMICS =3D=3D 0 sys::cas_flag result =3D *ptr; if (result =3D=3D old_value) *ptr =3D new_value; return result; #elif defined(GNU_ATOMICS) return __sync_val_compare_and_swap(ptr, old_value, new_value); #elif defined(_MSC_VER) return InterlockedCompareExchange(ptr, new_value, old_value); #else # error No compare-and-swap implementation for your platform! #endif } --=20 You are receiving this mail because: You are the assignee for the bug.=