--- SysMachine.h
+++ SysMachine.h
@@ -0,0 +1,32 @@
+#ifndef _MACHDEFS_H
+#define _MACHDEFS_H
+
+#include <endian.h>
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+  #undef MACH_BIG_ENDIAN_WORDS
+  #undef MACH_BIG_ENDIAN_BITFIELD
+#elif __BYTE_ORDER == __BIG_ENDIAN
+  #define MACH_BIG_ENDIAN_WORDS
+  #define MACH_BIG_ENDIAN_BITFIELD
+#else
+  #error unsupported byte order!
+#endif
+
+typedef signed char MachInt8;
+typedef unsigned char MachUInt8;
+#define MACH_TYPE_8BIT char
+
+typedef signed short MachInt16;
+typedef unsigned short MachUInt16;
+#define MACH_TYPE_16BIT short
+
+typedef signed int MachInt32;
+typedef unsigned int MachUInt32;
+#define MACH_TYPE_32BIT int
+
+typedef signed long long MachInt64;
+typedef unsigned long long MachUInt64;
+#define MACH_TYPE_64BIT long long
+
+#endif
--- Makefile.common
+++ Makefile.common
@@ -79,7 +79,7 @@
 $(OUTDIR)/%.o: %.cpp
 	${CC} ${CPPFLAGS} ${CFLAGS} -o $(OUTDIR)/$*.o -c $*.cpp
 
-all: ${OUTDIR} ${MKMACHDEPINC} ${MAILSVR} ${CRTLCLNT} ${XMCRYPT} ${MKUSERS} ${SENDMAIL}
+all: ${OUTDIR}                 ${MAILSVR} ${CRTLCLNT} ${XMCRYPT} ${MKUSERS} ${SENDMAIL}
 
 ${OUTDIR}:
 	@mkdir ${OUTDIR}
@@ -115,6 +115,6 @@
 
 clean:
 	rm -f .depend a.out core ${MAILSVR} ${CRTLCLNT} ${XMCRYPT} ${MKUSERS} ${SENDMAIL}
-	rm -f *.o *~ ${MKMACHDEPINC} ${MKMACHDEP}
+	rm -f *.o *~
 	rm -rf ${OUTDIR}