Date: Mon, 4 Feb 2019 16:55:24 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343746 - head/sys/conf Message-ID: <201902041655.x14GtOIr046072@repo.freebsd.org>
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Author: andrew Date: Mon Feb 4 16:55:24 2019 New Revision: 343746 URL: https://svnweb.freebsd.org/changeset/base/343746 Log: Only enable trace-cmp on Clang and modern GCC. It's was only added to GCC 8.1 so don't try to enable it for earlier releases. Reported by: lwhsu Sponsored by: DARPA, AFRL Modified: head/sys/conf/files head/sys/conf/kern.pre.mk Modified: head/sys/conf/files ============================================================================== --- head/sys/conf/files Mon Feb 4 16:13:41 2019 (r343745) +++ head/sys/conf/files Mon Feb 4 16:55:24 2019 (r343746) @@ -3808,7 +3808,7 @@ kern/kern_idle.c standard kern/kern_intr.c standard kern/kern_jail.c standard kern/kern_kcov.c optional kcov \ - compile-with "${NORMAL_C} -fno-sanitize-coverage=trace-pc,trace-cmp" + compile-with "${NORMAL_C} -fno-sanitize=all" kern/kern_khelp.c standard kern/kern_kthread.c standard kern/kern_ktr.c optional ktr Modified: head/sys/conf/kern.pre.mk ============================================================================== --- head/sys/conf/kern.pre.mk Mon Feb 4 16:13:41 2019 (r343745) +++ head/sys/conf/kern.pre.mk Mon Feb 4 16:55:24 2019 (r343746) @@ -120,7 +120,12 @@ SAN_CFLAGS+= -fsanitize=undefined COVERAGE_ENABLED!= grep COVERAGE opt_global.h || true ; echo .if !empty(COVERAGE_ENABLED) +.if ${COMPILER_TYPE} == "clang" || \ + (${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 80100) SAN_CFLAGS+= -fsanitize-coverage=trace-pc,trace-cmp +.else +SAN_CFLAGS+= -fsanitize-coverage=trace-pc +.endif .endif CFLAGS+= ${SAN_CFLAGS}
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