TD-1047 undefine linux64 while cputype is aarch64

cmake/platform.inc

@@ -81,14 +81,17 @@ ENDIF ()
 #   cmake -DCPUTYPE=aarch32 .. or cmake -DCPUTYPE=aarch64
 IF (${CPUTYPE} MATCHES "aarch32")
   SET(TD_LINUX TRUE)
+  SET(TD_LINUX_32 FALSE)
   SET(TD_ARM_32 TRUE)
   MESSAGE(STATUS "input cpuType: aarch32")
 ELSEIF (${CPUTYPE} MATCHES "aarch64")
   SET(TD_LINUX TRUE)
+  SET(TD_LINUX_64 FALSE)
   SET(TD_ARM_64 TRUE)
   MESSAGE(STATUS "input cpuType: aarch64")
 ELSEIF (${CPUTYPE} MATCHES "mips64")
   SET(TD_LINUX TRUE)
+  SET(TD_LINUX_64 FALSE)
   SET(TD_MIPS_64 TRUE)
   MESSAGE(STATUS "input cpuType: mips64")
 ELSEIF (${CPUTYPE} MATCHES "x64")

src/os/inc/os.h

@@ -24,12 +24,12 @@ extern "C" {
 #include "osDarwin.h"
 #endif
 
+#ifdef _TD_ARM_64
+#include "osArm64.h"
+#endif
+
 #ifdef _TD_LINUX_64
-  #ifdef _TD_ARM_64
-    #include "osArm64.h"
-  #elif
-    #include "osLinux64.h"
-  #endif
+#include "osLinux64.h"
 #endif
 
 #ifdef _TD_LINUX_32