Disable libsanitizer for linux toolchain

Makefile.in

@@ -307,6 +307,9 @@ stamps/build-gcc-linux-stage2: $(GCC_SRCDIR) $(addprefix stamps/build-glibc-linu
                                stamps/build-glibc-linux-headers
 	rm -rf $@ $(notdir $@)
 	mkdir $(notdir $@)
+	# libsanitizer not supported rv32,
+	# but it will break the rv64 multi-lib build, so we disable that
+	# temporally untill rv32 supported.
 	cd $(notdir $@) && $</configure \
 		--target=$(LINUX_TUPLE) \
 		$(CONFIGURE_HOST) \
@@ -319,6 +322,7 @@ stamps/build-gcc-linux-stage2: $(GCC_SRCDIR) $(addprefix stamps/build-glibc-linu
 		--disable-libmudflap \
 		--disable-libssp \
 		--disable-libquadmath \
+		--disable-libsanitizer \
 		--disable-nls \
 		--disable-bootstrap \
 		--src=$(gccsrcdir) \