diff --git a/Makefile b/Makefile
index 44b39b9527d5334f18f49e107c20983864356b45..62b027ae6a840e059f801cdd24b54e40606a0c82 100644
--- a/Makefile
+++ b/Makefile
@@ -18,9 +18,9 @@ libdir = $(prefix)/lib
 syslibdir = /lib
 
 BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c $(srcdir)/arch/$(ARCH)/src/*.c))
-BASE_OBJS = $(patsubst $(srcdir)/%.c,%.o,$(BASE_SRCS))
-ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.s $(srcdir)/src/*/$(ARCH)$(ASMSUBARCH)/*.sub)
-ARCH_OBJS = $(patsubst $(srcdir)/%.sub,%.o,$(patsubst $(srcdir)/%.s,%.o,$(ARCH_SRCS)))
+BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS)))
+ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.[csS] $(srcdir)/src/*/$(ARCH)$(ASMSUBARCH)/*.sub)
+ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS)))
 REPLACED_OBJS = $(sort $(subst /$(ARCH)$(ASMSUBARCH)/,/,$(subst /$(ARCH)/,/,$(ARCH_OBJS))) $(subst /$(ARCH)$(ASMSUBARCH)/,/$(ARCH)/,$(subst /$(ARCH)/,/,$(ARCH_OBJS))))
 OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS))))
 LOBJS = $(OBJS:.o=.lo)
@@ -152,6 +152,9 @@ obj/%.o: $(srcdir)/%.sub
 obj/%.o: $(srcdir)/%.s
 	$(AS_CMD) $(CFLAGS_ALL_STATIC)
 
+obj/%.o: $(srcdir)/%.S
+	$(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
+
 obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH)
 	$(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $<
 
@@ -161,6 +164,9 @@ obj/%.lo: $(srcdir)/%.sub
 obj/%.lo: $(srcdir)/%.s
 	$(AS_CMD) $(CFLAGS_ALL_SHARED)
 
+obj/%.lo: $(srcdir)/%.S
+	$(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<
+
 obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH)
 	$(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $<