--- grhino-0.16.0/book.cc.gcc43	2006-11-25 12:07:41.000000000 -0500

+++ grhino-0.16.0/book.cc	2008-02-22 14:31:08.000000000 -0500

@@ -28,6 +28,7 @@

 #include <vector>

 #include <iostream>

 #include <stdexcept>

+#include <cstdlib> // for abort

 #ifdef _

 #undef _

--- grhino-0.16.0/game.cc.gcc43	2006-11-25 12:07:42.000000000 -0500

+++ grhino-0.16.0/game.cc	2008-02-22 14:30:22.000000000 -0500

@@ -37,6 +37,7 @@

 #include <sys/stat.h> 

 #include <unistd.h>

 #include <fcntl.h>

+#include <cstdlib> // for getenv

 #ifdef _

 #  undef _

--- grhino-0.16.0/log_proc.h.gcc43	2006-11-25 12:07:42.000000000 -0500

+++ grhino-0.16.0/log_proc.h	2008-02-22 14:33:58.000000000 -0500

@@ -22,6 +22,7 @@

 #include <exception>

 #include <stdexcept>

+#include <cstdlib> // for abort

 #include <string>

 #include <fstream>

 #include <iomanip>