diff --git a/.gitignore b/.gitignore
index 910058b..98f2a53 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 *.tar.gz
 *.tar.bz2
 *~
+*.o
 adtools/
 sources/
 stamps/
diff --git a/tools/Makefile b/tools/Makefile
index ebd9669..f535ca6 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,5 +1,5 @@
 CC = gcc -m32
-CFLAGS = -O2 -Wall -I../target/include
+CFLAGS = -g -O2 -Wall -I../target/include
 
 BINS = GccFindHit hunk2aout
 
diff --git a/tools/defs.h b/tools/defs.h
index 590899b..838e74a 100644
--- a/tools/defs.h
+++ b/tools/defs.h
@@ -7,7 +7,11 @@
 #ifndef _DEFS_H_
 #define _DEFS_H_
 
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
 #include <arpa/inet.h>
+
 #include <dos/doshunks.h>
 
 #include "a.out.h"