From owner-dev-commits-src-all@freebsd.org Mon Aug 2 13:35:09 2021 Return-Path: Delivered-To: dev-commits-src-all@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 BFED16744B4; Mon, 2 Aug 2021 13:35:09 +0000 (UTC) (envelope-from git@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 4GdfBj4S5hz4Rc6; Mon, 2 Aug 2021 13:35:09 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 56CA12072A; Mon, 2 Aug 2021 13:35:09 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 172DZ9EV050621; Mon, 2 Aug 2021 13:35:09 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 172DZ9jN050619; Mon, 2 Aug 2021 13:35:09 GMT (envelope-from git) Date: Mon, 2 Aug 2021 13:35:09 GMT Message-Id: <202108021335.172DZ9jN050619@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Alex Richardson Subject: git: 5e9226f063bc - main - Fix build of stand/ when building world with ASAN MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: arichardson X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 5e9226f063bc43574e2168b4aafad8232f08002a Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Aug 2021 13:35:09 -0000 The branch main has been updated by arichardson: URL: https://cgit.FreeBSD.org/src/commit/?id=5e9226f063bc43574e2168b4aafad8232f08002a commit 5e9226f063bc43574e2168b4aafad8232f08002a Author: Alex Richardson AuthorDate: 2021-08-02 08:50:16 +0000 Commit: Alex Richardson CommitDate: 2021-08-02 13:33:24 +0000 Fix build of stand/ when building world with ASAN The userboot/test program links against the default userspace libraries (e.g. shared libgcc_s.so) that will be instrumented if WITH_ASAN is set. All other programs link against libsa instead of libc and therefore can't use the sanitizer runtime library. To fix the stand/ build with sanitizers, we disable MK_ASAN/MK_UBSAN if -nostdlib is found in the LDFLAGS (i.e. we are using libsa instead of libc). Reviewed By: imp, tsoome Differential Revision: https://reviews.freebsd.org/D31047 --- stand/defs.mk | 6 ++++++ stand/userboot/userboot/Makefile | 5 +++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/stand/defs.mk b/stand/defs.mk index d50c89879613..02a03b92577e 100644 --- a/stand/defs.mk +++ b/stand/defs.mk @@ -24,6 +24,12 @@ INTERNALLIB= # enough to make that hassle worth chasing. _CPUCFLAGS= +.if ${LDFLAGS:M-nostdlib} +# Sanitizers won't work unless we link against libc (e.g. in userboot/test). +MK_ASAN:= no +MK_UBSAN:= no +.endif + .include .include diff --git a/stand/userboot/userboot/Makefile b/stand/userboot/userboot/Makefile index 767840101200..60fcf57d9697 100644 --- a/stand/userboot/userboot/Makefile +++ b/stand/userboot/userboot/Makefile @@ -6,6 +6,9 @@ LOADER_CD9660_SUPPORT?= no LOADER_EXT2FS_SUPPORT?= no PIC=yes +# Note: -nostdlib needs to be added to LDFLAGS before including defs.mk +LDFLAGS+= -nostdlib -Wl,-Bsymbolic + .include SHLIB_NAME= userboot_${LOADER_INTERP}.so @@ -39,8 +42,6 @@ CFLAGS.main.c+= -I${SYSDIR}/contrib/openzfs/include/os/freebsd/zfs CFLAGS.gfx_fb.c+= -I$(SRCTOP)/sys/teken -I${SRCTOP}/contrib/pnglite CWARNFLAGS.main.c += -Wno-implicit-function-declaration -LDFLAGS+= -nostdlib -Wl,-Bsymbolic - NEWVERSWHAT= "User boot ${LOADER_INTERP}" ${MACHINE_CPUARCH} VERSION_FILE= ${.CURDIR}/../userboot/version