--- a/gcc/go/Make-lang.in
+++ b/gcc/go/Make-lang.in
@@ -74,7 +74,7 @@ go_OBJS = $(GO_OBJS) go/gospec.o
 
 go1$(exeext): $(GO_OBJS) attribs.o $(BACKEND) $(LIBDEPS)
 	+$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
-	      $(GO_OBJS) attribs.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
+	      $(GO_OBJS) attribs.o $(BACKEND) $(LIBS) $(BACKENDLIBS) -lm
 
 # Documentation.