initial commit of lk (little kernel) project
diff --git a/arch/arm/compile.mk b/arch/arm/compile.mk
new file mode 100644
index 0000000..b509e16
--- /dev/null
+++ b/arch/arm/compile.mk
@@ -0,0 +1,33 @@
+
+$(BUILDDIR)/%.o: %.c $(SRCDEPS)
+ @$(MKDIR)
+ @echo compiling $<
+ $(NOECHO)$(CC) $(CFLAGS) $(THUMBCFLAGS) --std=c99 $(INCLUDES) -c $< -MD -MT $@ -MF $(@:%o=%d) -o $@
+
+$(BUILDDIR)/%.o: %.cpp $(SRCDEPS)
+ @$(MKDIR)
+ @echo compiling $<
+ $(NOECHO)$(CC) $(CFLAGS) $(CPPFLAGS) $(THUMBCFLAGS) $(INCLUDES) -c $< -MD -MT $@ -MF $(@:%o=%d) -o $@
+
+# to override thumb setting, mark the .o file as .Ao
+$(BUILDDIR)/%.Ao: %.c $(SRCDEPS)
+ @$(MKDIR)
+ @echo compiling $<
+ $(NOECHO)$(CC) $(CFLAGS) --std=c99 $(INCLUDES) -c $< -MD -MT $@ -MF $(@:%o=%d) -o $@
+
+$(BUILDDIR)/%.Ao: %.cpp $(SRCDEPS)
+ @$(MKDIR)
+ @echo compiling $<
+ $(NOECHO)$(CC) $(CFLAGS) $(CPPFLAGS) $(INCLUDES) -c $< -MD -MT $@ -MF $(@:%o=%d) -o $@
+
+# assembly is always compiled in ARM mode at the moment
+$(BUILDDIR)/%.Ao: %.S $(SRCDEPS)
+ @$(MKDIR)
+ @echo compiling $<
+ $(NOECHO)$(CC) $(CFLAGS) $(ASMFLAGS) $(INCLUDES) -c $< -MD -MT $@ -MF $(@:%o=%d) -o $@
+
+$(BUILDDIR)/%.o: %.S $(SRCDEPS)
+ @$(MKDIR)
+ @echo compiling $<
+ $(NOECHO)$(CC) $(CFLAGS) $(ASMFLAGS) $(INCLUDES) -c $< -MD -MT $@ -MF $(@:%o=%d) -o $@
+