Bug: https://bugs.gentoo.org/881519

diff --git a/GccUnix.mak b/GccUnix.mak
index 3f53d5b..8eb434e 100644
--- a/GccUnix.mak
+++ b/GccUnix.mak
@@ -31,13 +31,13 @@ include gccmod.inc
 
 #.c.o:
 #	$(CC) -c $(inc_dirs) $(c_flags) -o $(OUTD)/$*.o $<
-$(OUTD)/%.o: %.c
+$(OUTD)/%.o: %.c | $(OUTD)
 	$(CC) -c $(inc_dirs) $(c_flags) -o $(OUTD)/$*.o $<
 
 all:  $(OUTD) $(OUTD)/$(TARGET1)
 
 $(OUTD):
-	mkdir $(OUTD)
+	mkdir -p $(OUTD)
 
 $(OUTD)/$(TARGET1) : $(OUTD)/main.o $(proj_obj)
 ifeq ($(DEBUG),0)