--- /dev/null
+# $OpenBSD: Makefile,v 1.1 2022/02/16 03:49:40 gnezdo Exp $
+
+.include <bsd.own.mk>
+
+LLVM_V= 13.0.0
+LIBDIR= /usr/lib/clang/${LLVM_V}/lib
+
+.if ${COMPILER_VERSION:L} != "clang"
+CC= clang
+CXX= clang++
+.endif
+
+.if ${BUILD_CLANG:L} == "yes"
+
+LIB= clang_rt.ubsan_minimal
+NOPIC=
+NOPROFILE=
+
+CFLAGS+= -fPIC
+CPPFLAGS+= -I${BSDSRCDIR}/gnu/llvm/compiler-rt/lib
+
+.PATH: ${.CURDIR}/../../../llvm/compiler-rt/lib/ubsan_minimal
+
+SRCS+= ubsan_minimal_handlers.cpp
+
+beforeinstall:
+ ${INSTALL} -d -o ${BINOWN} -g ${BINGRP} -m ${DIRMODE} \
+ ${DESTDIR}${LIBDIR}
+
+.include <bsd.lib.mk>
+
+.else
+NOPROG=
+.include <bsd.prog.mk>
+.endif