--- chmlib-0.40/src/chm_lib.c~	2018-04-11 16:24:00.510826960 +0300

+++ chmlib-0.40/src/chm_lib.c	2018-04-11 16:27:08.169950468 +0300

@@ -153,7 +153,7 @@ typedef unsigned __int64        UInt64;

 /* Sparc        */

 /* MIPS         */

 /* PPC          */

-#elif __i386__ || __sun || __sgi || __ppc__ || __powerpc__

+#elif __arm__ || __i386__ || __sun || __sgi || __ppc__ || __powerpc__

 typedef unsigned char           UChar;

 typedef short                   Int16;

 typedef unsigned short          UInt16;

@@ -164,7 +164,7 @@ typedef unsigned long long      UInt64;

 /* x86-64 */

 /* Note that these may be appropriate for other 64-bit machines. */

-#elif __x86_64__ || __ia64__

+#elif __aarch64__ || __x86_64__ || __ia64__

 typedef unsigned char           UChar;

 typedef short                   Int16;

 typedef unsigned short          UInt16;