From 3b3adb2be3c561fd7638bed96b859ee2e408f3a2 Mon Sep 17 00:00:00 2001
From: Daniel Gustafsson <dgustafsson@pivotal.io>
Date: Tue, 10 Jul 2018 10:23:21 +0200
Subject: [PATCH] Remove unused feature test macros

---
 src/include/pg_config_manual.h | 44 ----------------------------------
 1 file changed, 44 deletions(-)

diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h
index 7961829ca0..798c92e10c 100644
--- a/src/include/pg_config_manual.h
+++ b/src/include/pg_config_manual.h
@@ -235,50 +235,6 @@
 /* #define ACLDEBUG */
 /* #define RTDEBUG */
 
-/*
- * This define lets the system header files know we are interested in features up to Posix 6
- *
- * Solaris is strange... If you want >= 600, you MUST use a C99 compiler, if < 600, you MUST
- * use a C89 compiler.  So, set it to 600 if we are C99, and set it to 500 if we aren't.
- */
-#if !defined(_XOPEN_SOURCE) || _XOPEN_SOURCE<600
-#undef _XOPEN_SOURCE
-#if !defined(__sun__) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-#define _XOPEN_SOURCE 600
-#else
-#define _XOPEN_SOURCE 500
-#endif
-#endif
-
-/* Define to activate features from IEEE Stds 1003.1-2001 */
-#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE<200112L
-#undef _POSIX_C_SOURCE
-/* Define to activate features from IEEE Stds 1003.1-2001 */
-#define _POSIX_C_SOURCE 200112L
-#endif
-
-/*
- * Solaris likes this to be defined if we define _XOPEN_SOURCE, otherwise
- * they turn off anything they think is an extension to XOPEN
- */
-#ifndef __EXTENSIONS__
-#define __EXTENSIONS__ 1
-#endif
-
-/*
- * OSX (darwin) wants this if XOPEN_SOURCE is defined
- */
-#ifndef _DARWIN_C_SOURCE
-#define _DARWIN_C_SOURCE 1
-#endif 
-
-/*
- * AIX wants this if XOPEN_SOURCE is defined
- */
-#ifdef _AIX
-#define _ALL_SOURCE
-#endif
-
 /*
  * Greenplum replication configuration file name.
  * This file will be used to store values of replication GUCs
-- 
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