X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=772f0ec92fd0a6d3c8cee93ac9b9470468878ec0;hp=a0a61600766d4e9873d7a55858d0652c5b787593;hb=ed72a1e9ba37a9fa2674da8f46bb0597a1721c2d;hpb=2e0ec4ad6fe3eaf3c4194eb9da2b49bad5bf29b2

diff --git a/src/types.h b/src/types.h
index a0a61600..772f0ec9 100644
--- a/src/types.h
+++ b/src/types.h
@@ -58,7 +58,7 @@
 /// _WIN32             Building on Windows (any)
 /// _WIN64             Building on Windows 64 bit
 
-#if defined(_WIN64) && !defined(IS_64BIT) // Last condition means Makefile is not used
+#if defined(_WIN64) && defined(_MSC_VER) // No Makefile used
 #  include <intrin.h> // MSVC popcnt and bsfq instrinsics
 #  define IS_64BIT
 #  define USE_BSFQ