diff -urN nitro-2.7dev-2.orig/c++/mt/include/mt/LinuxCPUAffinityThreadInitializer.h nitro-2.7dev-2/c++/mt/include/mt/LinuxCPUAffinityThreadInitializer.h
--- nitro-2.7dev-2.orig/c++/mt/include/mt/LinuxCPUAffinityThreadInitializer.h	2021-07-05 15:27:26.892022427 -0600
+++ nitro-2.7dev-2/c++/mt/include/mt/LinuxCPUAffinityThreadInitializer.h	2021-07-05 15:27:42.922103609 -0600
@@ -31,7 +31,6 @@
 #include <sys/types.h>
 #include <linux/unistd.h>
 #include <sys/syscall.h>
-#define gettid() syscall(SYS_gettid)
 
 #include <import/sys.h>
 #include "mt/CPUAffinityThreadInitializer.h"