From owner-svn-src-head@freebsd.org Thu Aug 15 12:48:18 2019 Return-Path: Delivered-To: svn-src-head@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 CB910A859C; Thu, 15 Aug 2019 12:48:18 +0000 (UTC) (envelope-from emaste@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 468R824yZHz3KDd; Thu, 15 Aug 2019 12:48:18 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 8B93B18B6D; Thu, 15 Aug 2019 12:48:18 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x7FCmIaf056411; Thu, 15 Aug 2019 12:48:18 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x7FCmIoV056409; Thu, 15 Aug 2019 12:48:18 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <201908151248.x7FCmIoV056409@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Thu, 15 Aug 2019 12:48:18 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r351069 - head/share/mk X-SVN-Group: head X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: head/share/mk X-SVN-Commit-Revision: 351069 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 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: Thu, 15 Aug 2019 12:48:18 -0000 Author: emaste Date: Thu Aug 15 12:48:17 2019 New Revision: 351069 URL: https://svnweb.freebsd.org/changeset/base/351069 Log: do not enable userland retpoline if not supported by compiler/linker Reviewed by: markj Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D21101 Modified: head/share/mk/bsd.lib.mk head/share/mk/bsd.prog.mk Modified: head/share/mk/bsd.lib.mk ============================================================================== --- head/share/mk/bsd.lib.mk Thu Aug 15 12:00:59 2019 (r351068) +++ head/share/mk/bsd.lib.mk Thu Aug 15 12:48:17 2019 (r351069) @@ -3,6 +3,8 @@ # .include +.include +.include .if defined(LIB_CXX) || defined(SHLIB_CXX) _LD= ${CXX} @@ -74,9 +76,13 @@ TAG_ARGS= -T ${TAGS:[*]:S/ /,/g} LDFLAGS+= -Wl,-znow .endif .if ${MK_RETPOLINE} != "no" +.if ${COMPILER_FEATURES:Mretpoline} && ${LINKER_FEATURES:Mretpoline} CFLAGS+= -mretpoline CXXFLAGS+= -mretpoline LDFLAGS+= -Wl,-zretpolineplt +.else +.warning Retpoline requested but not supported by compiler or linker +.endif .endif .if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \ Modified: head/share/mk/bsd.prog.mk ============================================================================== --- head/share/mk/bsd.prog.mk Thu Aug 15 12:00:59 2019 (r351068) +++ head/share/mk/bsd.prog.mk Thu Aug 15 12:48:17 2019 (r351069) @@ -3,6 +3,7 @@ .include .include +.include .SUFFIXES: .out .o .bc .c .cc .cpp .cxx .C .m .y .l .ll .ln .s .S .asm @@ -44,11 +45,15 @@ CXXFLAGS+= -fPIE LDFLAGS+= -pie .endif .if ${MK_RETPOLINE} != "no" +.if ${COMPILER_FEATURES:Mretpoline} && ${LINKER_FEATURES:Mretpoline} CFLAGS+= -mretpoline CXXFLAGS+= -mretpoline # retpolineplt is broken with static linking (PR 233336) .if !defined(NO_SHARED) || ${NO_SHARED:tl} == "no" LDFLAGS+= -Wl,-zretpolineplt +.endif +.else +.warning Retpoline requested but not supported by compiler or linker .endif .endif