From fccc168a6fe0004f446dbee1763e4eaf857694c2 Mon Sep 17 00:00:00 2001
From: kgv <kgv@opencascade.com>
Date: Sun, 13 Dec 2020 22:56:45 +0300
Subject: [PATCH] 0031994: Draw Harness - dversion prints "Architecture:
 unrecognized" on ARM host

Added handling of __aarch64__ macros.
---
 src/Draw/Draw_BasicCommands.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/Draw/Draw_BasicCommands.cxx b/src/Draw/Draw_BasicCommands.cxx
index 98d793a8ab..4a0bb7b49b 100644
--- a/src/Draw/Draw_BasicCommands.cxx
+++ b/src/Draw/Draw_BasicCommands.cxx
@@ -428,6 +428,14 @@ static Standard_Integer dversion(Draw_Interpretor& di, Standard_Integer, const c
   di << "Architecture: Intel Itanium (IA 64)\n";
 #elif defined(__sparc__) || defined(__sparc)
   di << "Architecture: SPARC\n";
+#elif defined(__aarch64__) && defined(__LP64__)
+  di << "Architecture: ARM 64-bit\n";
+#elif defined(__arm__) || defined(__arm64__)
+  #if defined(__LP64__)
+  di << "Architecture: ARM 64-bit\n";
+  #else
+  di << "Architecture: ARM 32-bit\n";
+  #endif
 #else
   di << "Architecture: unrecognized\n";
 #endif