--- mysql-3.23.52/include/global.h.jj	2002-08-13 18:08:16.000000000 -0400
+++ mysql-3.23.52/include/global.h	2002-11-18 18:35:10.000000000 -0500
@@ -58,6 +58,10 @@
 #define _GNU_SOURCE 1
 #endif
 
+#ifdef __linux__
+#define HAVE_ERRNO_AS_DEFINE
+#endif
+
 /* The client defines this to avoid all thread code */
 #if defined(UNDEF_THREADS_HACK)
 #undef THREAD