diff --git a/libmicrokit/Makefile b/libmicrokit/Makefile
index 97313480..e0e5be20 100644
--- a/libmicrokit/Makefile
+++ b/libmicrokit/Makefile
@@ -17,6 +17,7 @@ CFLAGS := -std=gnu11 -g3 -O3 -nostdlib -ffreestanding -mcpu=$(GCC_CPU) -Wall -Wn
 LIBS := libmicrokit.a
 OBJS := main.o dbg.o
 OTHER_OBJS :=  crt0.o
+VERIFICATION := main_verification.c
 
 $(BUILD_DIR)/%.o : src/%.S
 	$(TOOLCHAIN)gcc -x assembler-with-cpp -c -g3  -mcpu=$(GCC_CPU)  $< -o $@
@@ -24,12 +25,16 @@ $(BUILD_DIR)/%.o : src/%.S
 $(BUILD_DIR)/%.o : src/%.s
 	$(TOOLCHAIN)as -g -mcpu=$(GCC_CPU) $< -o $@
 
+# For verification, we concatenate and preprocess all the C source files.
+$(BUILD_DIR)/%_verification.c: src/%.c
+	$(TOOLCHAIN)gcc $(CFLAGS) -E $< > $@
+
 $(BUILD_DIR)/%.o : src/%.c
 	$(TOOLCHAIN)gcc -c $(CFLAGS) $< -o $@
 
 LIB = $(addprefix $(BUILD_DIR)/, $(LIBS))
 
-all: $(LIB) $(addprefix $(BUILD_DIR)/, $(OTHER_OBJS))
+all: $(LIB) $(addprefix $(BUILD_DIR)/, $(OTHER_OBJS)) $(addprefix $(BUILD_DIR)/, $(VERIFICATION))
 
 $(LIB): $(addprefix $(BUILD_DIR)/, $(OBJS))
 	$(TOOLCHAIN)ar -rv $@ $^
diff --git a/monitor/Makefile b/monitor/Makefile
index 569f4d2b..689cbc7f 100644
--- a/monitor/Makefile
+++ b/monitor/Makefile
@@ -16,6 +16,7 @@ CFLAGS := -std=gnu11 -g3 -O3 -nostdlib -ffreestanding -mcpu=$(GCC_CPU) -Wall -Wn
 
 PROGS := monitor.elf
 OBJECTS := main.o crt0.o debug.o util.o
+VERIFICATION := main_verification.c
 LINKSCRIPT := monitor.ld
 
 $(BUILD_DIR)/%.o : src/%.S
@@ -24,12 +25,16 @@ $(BUILD_DIR)/%.o : src/%.S
 $(BUILD_DIR)/%.o : src/%.s
 	$(TOOLCHAIN)as -g -mcpu=$(GCC_CPU) $< -o $@
 
+# For verification, we concatenate and preprocess all the C source files.
+$(BUILD_DIR)/%_verification.c: src/%.c
+	$(TOOLCHAIN)gcc $(CFLAGS) -E $< > $@
+
 $(BUILD_DIR)/%.o : src/%.c
 	$(TOOLCHAIN)gcc -c $(CFLAGS)  $< -o $@
 
 OBJPROG = $(addprefix $(BUILD_DIR)/, $(PROGS))
 
-all: $(OBJPROG)
+all: $(OBJPROG) $(addprefix $(BUILD_DIR)/, $(VERIFICATION))
 
 $(OBJPROG): $(addprefix $(BUILD_DIR)/, $(OBJECTS)) $(LINKSCRIPT)
 	$(TOOLCHAIN)ld -T$(LINKSCRIPT) $(addprefix $(BUILD_DIR)/, $(OBJECTS)) -o $@