Index: Makefile
===================================================================
--- Makefile.orig
+++ Makefile
@@ -462,6 +462,14 @@ ifndef host_native_word_size
 endif
 
 ifndef host_native_word_size
+	ifneq (,$(findstring arm,$(HOSTTYPE)))
+		host_processor_family = arm
+		host_native_word_size = 32
+		host_supported_word_sizes = 32
+	endif
+endif
+
+ifndef host_native_word_size
    $(error Unable to determine host word size. $(HOSTTYPE))
 endif
 
@@ -1019,7 +1027,9 @@ ifdef unix_target
 	ifeq ($(compiler),g++)
 		ccflags += -Wall -fPIC
 		ifneq ($(target_processor_family),ia64)
-			ccflags += -m$(target_word_size)
+			ifneq ($(target_processor_family),arm)
+				ccflags += -m$(target_word_size)
+			endif
 		endif
 	endif
 
@@ -1133,9 +1143,11 @@ ifdef unix_target
 
 	ifeq ($(compiler),g++)
 		ifneq ($(target_processor_family),ia64)
+		ifneq ($(target_processor_family),arm)
 			shared_link_flags += -m$(target_word_size)
 			link_flags += -m$(target_word_size)
 		endif
+		endif
 	endif
 
 	lib_link_libs = -lpthread
Index: src/flaimtk.h
===================================================================
--- src/flaimtk.h.orig
+++ src/flaimtk.h
@@ -54,6 +54,7 @@
 		#undef FLM_GNUC
 		#undef FLM_HAS_ASYNC_IO
 		#undef FLM_HAS_DIRECT_IO
+		#undef FLM_ARM
 		
 		#if defined( __GNUC__)
 			#define FLM_GNUC
@@ -149,6 +150,8 @@
 				#endif
 			#elif defined( __x86__) || defined( __i386__) || defined( __x86_64__)  
 				#define FLM_X86
+			#elif defined( __arm__) || defined( __thumb__)
+				#define FLM_ARM
 			#else
 				#error Platform architecture not supported
 			#endif
Index: ftk/src/ftk.h
===================================================================
--- ftk/src/ftk.h.orig
+++ ftk/src/ftk.h
@@ -54,6 +54,7 @@
 		#undef FLM_GNUC
 		#undef FLM_HAS_ASYNC_IO
 		#undef FLM_HAS_DIRECT_IO
+		#undef FLM_ARM
 		
 		#if defined( __GNUC__)
 			#define FLM_GNUC
@@ -149,6 +150,8 @@
 				#endif
 			#elif defined( __x86__) || defined( __i386__) || defined( __x86_64__)  
 				#define FLM_X86
+			#elif defined( __arm__) || defined( __thumb__)
+				#define FLM_ARM
 			#else
 				#error Platform architecture not supported
 			#endif