diff -Naur chmlib-0.40-orig/src/chm_lib.c chmlib-0.40/src/chm_lib.c
--- chmlib-0.40-orig/src/chm_lib.c	2011-03-28 21:39:27.000000000 +0400
+++ chmlib-0.40/src/chm_lib.c	2017-09-10 09:46:14.813629054 +0300
@@ -173,6 +173,24 @@
 typedef long                    Int64;
 typedef unsigned long           UInt64;
 
+#elif __e2k__
+typedef unsigned char           UChar;
+typedef short                   Int16;
+typedef unsigned short          UInt16;
+typedef int                     Int32;
+typedef unsigned int            UInt32;
+typedef long                    Int64;
+typedef unsigned long           UInt64;
+
+#elif __sparc__
+typedef unsigned char           UChar;
+typedef short                   Int16;
+typedef unsigned short          UInt16;
+typedef int                     Int32;
+typedef unsigned int            UInt32;
+typedef long                    Int64;
+typedef unsigned long           UInt64;
+
 #else
 
 /* yielding an error is preferable to yielding incorrect behavior */