--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libsanitizer/configure.tgt	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,61 @@
+# -*- shell-script -*-
+#   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not see <http://www.gnu.org/licenses/>.
+
+# This is the target specific configuration file.  This is invoked by the
+# autoconf generated configure script.  Putting it in a separate shell file
+# lets us skip running autoconf when modifying target specific information.
+
+# Filter out unsupported systems.
+TSAN_TARGET_DEPENDENT_OBJECTS=
+SANITIZER_COMMON_TARGET_DEPENDENT_OBJECTS=
+case "${target}" in
+  x86_64-*-linux* | i?86-*-linux*)
+	if test x$ac_cv_sizeof_void_p = x8; then
+		TSAN_SUPPORTED=yes
+		LSAN_SUPPORTED=yes
+		TSAN_TARGET_DEPENDENT_OBJECTS=tsan_rtl_amd64.lo
+	fi
+	if echo "int x = __x86_64__;" | $CC -c -x c -o /dev/null - > /dev/null 2>&1; then
+		SANITIZER_COMMON_TARGET_DEPENDENT_OBJECTS=sanitizer_linux_x86_64.lo
+	fi
+	;;
+  powerpc*-*-linux*)
+	if test x$ac_cv_sizeof_void_p = x8; then
+		TSAN_SUPPORTED=yes
+		LSAN_SUPPORTED=yes
+		TSAN_TARGET_DEPENDENT_OBJECTS=tsan_rtl_ppc64.lo
+	fi
+	;;
+  sparc*-*-linux*)
+	;;
+  s390*-*-linux*)
+	;;
+  arm*-*-linux*)
+	;;
+  aarch64*-*-linux*)
+	if test x$ac_cv_sizeof_void_p = x8; then
+		TSAN_SUPPORTED=yes
+		LSAN_SUPPORTED=yes
+		TSAN_TARGET_DEPENDENT_OBJECTS=tsan_rtl_aarch64.lo
+	fi
+	;;
+  x86_64-*-darwin[1]* | i?86-*-darwin[1]*)
+	TSAN_SUPPORTED=no
+	;;
+  *)
+	UNSUPPORTED=1
+	;;
+esac