From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 79931385AC26 for ; Tue, 30 Nov 2021 20:11:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 79931385AC26 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-428-7CI_AfTvN0eVZrBtR1F9cg-1; Tue, 30 Nov 2021 15:11:37 -0500 X-MC-Unique: 7CI_AfTvN0eVZrBtR1F9cg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 87DBE100CCC0; Tue, 30 Nov 2021 20:11:36 +0000 (UTC) Received: from localhost (unknown [10.33.36.16]) by smtp.corp.redhat.com (Postfix) with ESMTP id 38D4F45D66; Tue, 30 Nov 2021 20:11:36 +0000 (UTC) From: Jonathan Wakely To: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org Subject: [committed] libstdc++: Make Asan detection work for Clang [PR103453] Date: Tue, 30 Nov 2021 20:11:35 +0000 Message-Id: <20211130201135.102988-1-jwakely@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" X-Spam-Status: No, score=-14.0 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libstdc++@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++ mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Nov 2021 20:11:41 -0000 Tested x86_64-linux, pushed to trunk. Clang doesn't define __SANITIZE_ADDRESS__ so use its __has_feature check to detect Asan instead. libstdc++-v3/ChangeLog: PR libstdc++/103453 * config/allocator/malloc_allocator_base.h (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define for Clang. * config/allocator/new_allocator_base.h (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Likewise. --- libstdc++-v3/config/allocator/malloc_allocator_base.h | 10 ++++++++-- libstdc++-v3/config/allocator/new_allocator_base.h | 10 ++++++++-- 2 files changed, 16 insertions(+), 4 deletions(-) diff --git a/libstdc++-v3/config/allocator/malloc_allocator_base.h b/libstdc++-v3/config/allocator/malloc_allocator_base.h index d7b56e3c9ef..b798d3fd448 100644 --- a/libstdc++-v3/config/allocator/malloc_allocator_base.h +++ b/libstdc++-v3/config/allocator/malloc_allocator_base.h @@ -52,8 +52,14 @@ namespace std # define __allocator_base __gnu_cxx::malloc_allocator #endif -#if defined(__SANITIZE_ADDRESS__) && !defined(_GLIBCXX_SANITIZE_STD_ALLOCATOR) -# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1 +#ifndef _GLIBCXX_SANITIZE_STD_ALLOCATOR +# if defined(__SANITIZE_ADDRESS__) +# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1 +# elif defined __has_feature +# if __has_feature(address_sanitizer) +# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1 +# endif +# endif #endif #endif diff --git a/libstdc++-v3/config/allocator/new_allocator_base.h b/libstdc++-v3/config/allocator/new_allocator_base.h index 77ee8b73979..7c52fef63de 100644 --- a/libstdc++-v3/config/allocator/new_allocator_base.h +++ b/libstdc++-v3/config/allocator/new_allocator_base.h @@ -52,8 +52,14 @@ namespace std # define __allocator_base __gnu_cxx::new_allocator #endif -#if defined(__SANITIZE_ADDRESS__) && !defined(_GLIBCXX_SANITIZE_STD_ALLOCATOR) -# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1 +#ifndef _GLIBCXX_SANITIZE_STD_ALLOCATOR +# if defined(__SANITIZE_ADDRESS__) +# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1 +# elif defined __has_feature +# if __has_feature(address_sanitizer) +# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1 +# endif +# endif #endif #endif -- 2.31.1