From 0c8acf5d08cc1e0b6bb8bb9c39ae08d4dc8c24ab Mon Sep 17 00:00:00 2001
From: Gonzalo Exequiel Pedone <hipersayan.x@gmail.com>
Date: Sun, 21 Feb 2021 16:07:21 -0300
Subject: [PATCH] Simplify x64 detection.

---
 commons.cmake | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/commons.cmake b/commons.cmake
index 021bbd2..7f63338 100644
--- a/commons.cmake
+++ b/commons.cmake
@@ -36,21 +36,16 @@ if (WIN32)
     include(CheckCXXSourceCompiles)
 
     check_cxx_source_compiles("
-    #if !defined(__amd64__) \\
-        && !defined(__amd64) \\
-        && !defined(__x86_64_) \\
-        && !defined(__x86_64) \\
-        && !defined(_M_X64) \\
-        && !defined(_M_AMD64)
+    #ifndef _WIN64
         #error Not x64
     #endif
 
     int main()
     {
         return 0;
-    }" HAVE_X64)
+    }" IS_WIN64_TARGET)
 
-    if (HAVE_X64)
+    if (IS_WIN64_TARGET)
         set(TARGET_ARCH x64 CACHE INTERNAL "")
     else ()
         set(TARGET_ARCH x86 CACHE INTERNAL "")