+++ src/lib/python3/Modules/posixmodule.c
@@ -178,15 +178,15 @@
 #define fsync _commit
 #else
 /* Unix functions that the configure script doesn't check for */
-#define HAVE_EXECV      1
+//#define HAVE_EXECV      1
 #define HAVE_FORK       1
 #if defined(__USLC__) && defined(__SCO_VERSION__)       /* SCO UDK Compiler */
 #define HAVE_FORK1      1
 #endif
-#define HAVE_GETEGID    1
+//#define HAVE_GETEGID    1
 #define HAVE_GETEUID    1
 #define HAVE_GETGID     1
-#define HAVE_GETPPID    1
+//#define HAVE_GETPPID    1
 #define HAVE_GETUID     1
 #define HAVE_KILL       1
 #define HAVE_OPENDIR    1
