X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fplatform.h;h=ad02575bc4b983d207543252049759816e39f21f;hb=156635749bfc9fc8e71aa8c44d7bd2cfe7a78457;hp=36494c135022bcc0d6bd0a747dce5b35aef01710;hpb=9a1d5f0f1d8a12a85b198688d4f1d636a146eb7a;p=stockfish

diff --git a/src/platform.h b/src/platform.h
index 36494c13..ad02575b 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -40,6 +40,7 @@ typedef unsigned __int64 uint64_t;
 
 #else
 #  include <inttypes.h>
+#  include <unistd.h>  // Used by sysconf(_SC_NPROCESSORS_ONLN)
 #endif
 
 #if !defined(_WIN32) && !defined(_WIN64) // Linux - Unix