[make] output a text file with all the source files and include paths used in the build

engine.mk

@@ -77,6 +77,9 @@ ALLOBJS_MODULE :=
 # master object list (for dep generation)
 ALLOBJS :=
 
+# master source file list
+ALLSRCS :=
+
 # a linker script needs to be declared in one of the project/target/platform files
 LINKER_SCRIPT :=
 

make/build.mk

@@ -49,5 +49,18 @@ $(OUTELF).size: $(OUTELF)
 	@echo generating size map: $@
 	$(NOECHO)$(NM) -S --size-sort $< > $@
 
+# print some information about the build
+$(BUILDDIR)/srcfiles.txt:
+	@echo generating $@
+	$(NOECHO)echo $(sort $(ALLSRCS)) | tr ' ' '\n' > $@
+
+.PHONY: $(BUILDDIR)/srcfiles.txt
+
+$(BUILDDIR)/include_paths.txt:
+	@echo generating $@
+	$(NOECHO)echo $(subst -I,,$(sort $(GLOBAL_INCLUDES))) | tr ' ' '\n' > $@
+
+.PHONY: $(BUILDDIR)/include_paths.txt
+
 #include arch/$(ARCH)/compile.mk
 

make/module.mk

@@ -89,6 +89,9 @@ $(MODULE_OBJECT): $(MODULE_OBJS) $(MODULE_EXTRA_OBJS)
 	@echo linking $@
 	$(NOECHO)$(LD) $(GLOBAL_MODULE_LDFLAGS) -r $^ -o $@
 
+# track all of the source files compiled
+ALLSRCS += $(MODULE_SRCS)
+
 # track all the objects built
 ALLOBJS += $(MODULE_OBJS)