From aae529f0273eae9c5ffce301ce46054c557d2613 Mon Sep 17 00:00:00 2001
From: Dana Robinson <derobins@hdfgroup.org>
Date: Sun, 8 Mar 2015 21:11:17 -0500
Subject: [svn-r26393] Merges r26347 and r26363 from trunk

Moves the _POSIX_C_SOURCE, _GNU_SOURCE, and _BSD_SOURCE from AM_CPPFLAGS
to H5_CPPFLAGS in the Autotools configure scripts. This prevents them
from being exported to h5cc, etc. which is inappropriate since they
may interfere with other code.

Fixes: HDFFV-9152

Tested on: h5committest
---
 configure                | 6 +++---
 configure.ac             | 4 ++--
 release_docs/RELEASE.txt | 8 ++++++++
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/configure b/configure
index 9c01aa9..4ed2f81 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Id: configure.ac 26358 2015-03-04 18:15:04Z lrknox .
+# From configure.ac Id: configure.ac 26391 2015-03-08 23:36:10Z hdftest .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.69 for HDF5 1.8.15-snap12.
 #
@@ -23121,7 +23121,7 @@ case "$host_cpu-$host_vendor-$host_os" in
 
     ## Need to add this so that O_DIRECT is visible for the direct
     ## VFD on Linux systems.
-    AM_CPPFLAGS="-D_GNU_SOURCE $AM_CPPFLAGS"
+    H5_CPPFLAGS="-D_GNU_SOURCE $H5_CPPFLAGS"
 
     ## Also add BSD support on Linux systems, so <features.h> defines
     ## __USE_BSD, which is required to get the prototype for strdup
@@ -23131,7 +23131,7 @@ case "$host_cpu-$host_vendor-$host_os" in
     ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
     ## however, we do not do this since it breaks the big test on some
     ## older platforms.
-    AM_CPPFLAGS="-D_BSD_SOURCE $AM_CPPFLAGS"
+    H5_CPPFLAGS="-D_BSD_SOURCE $H5_CPPFLAGS"
     ;;
 esac
 
diff --git a/configure.ac b/configure.ac
index 6856583..d3b244f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1131,7 +1131,7 @@ case "$host_cpu-$host_vendor-$host_os" in
 
     ## Need to add this so that O_DIRECT is visible for the direct
     ## VFD on Linux systems.
-    AM_CPPFLAGS="-D_GNU_SOURCE $AM_CPPFLAGS"
+    H5_CPPFLAGS="-D_GNU_SOURCE $H5_CPPFLAGS"
 
     ## Also add BSD support on Linux systems, so <features.h> defines
     ## __USE_BSD, which is required to get the prototype for strdup
@@ -1141,7 +1141,7 @@ case "$host_cpu-$host_vendor-$host_os" in
     ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
     ## however, we do not do this since it breaks the big test on some 
     ## older platforms.
-    AM_CPPFLAGS="-D_BSD_SOURCE $AM_CPPFLAGS"
+    H5_CPPFLAGS="-D_BSD_SOURCE $H5_CPPFLAGS"
     ;;
 esac
 
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index dc989ba..324dc57 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -132,6 +132,14 @@ New Features
 
       (DER - 2015-02-26, HDFFV-9057, 7567, 9088, 7566)
 
+    - _POSIX_C_SOURCE, _GNU_SOURCE, and _BSD_SOURCE no longer exported to
+      h5cc and other compiler wrappers.
+
+      These definitions are not required for using API functions and may
+      conflict with user code requirements.
+
+      (DER - 2015-03-08, HDFFV-9152)
+
     Library
     -------
     - None
-- 
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