Enforce DWARF-4

Makefile

@@ -1,6 +1,6 @@
 CC=gcc
 CXX=g++
-CFLAGS=-MD -MP -gdwarf -I./mujs
+CFLAGS=-MD -MP -gdwarf-4 -I./mujs
 LDFLAGS=-lm -ldwarf++ -lelf++ -lstdc++
 SRCS=debugus.c linenoise.c hash.c pmparser.c
 OBJS=$(patsubst %.c,%.o,$(SRCS))
@@ -9,7 +9,7 @@ DEPS=$(patsubst %.c,%.d,$(SRCS))
 all: debugus .debugusrc1.js test
 
 test: test.o
-	$(CC) -gdwarf -o $@ $^
+	$(CC) $(CFLAGS) -o $@ $^
 
 debugus: $(OBJS) ./mujs/build/debug/libmujs.o ./libelfin_wrap.o
 	$(CC) -o $@ $^ $(LDFLAGS)