From f402195f59fb928d45b846435076c9fe96e5fcbb Mon Sep 17 00:00:00 2001
From: Dana Robinson <derobins@hdfgroup.org>
Date: Thu, 10 Sep 2015 15:33:25 -0500
Subject: [svn-r27751] Added a comment to config/ibm-flags that describes the
 purpose of the -qflag=w:w compiler flag.

Tested on: N/A (no access to AIX, comment only)
---
 config/ibm-flags | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/config/ibm-flags b/config/ibm-flags
index 89a6ae9..462372d 100644
--- a/config/ibm-flags
+++ b/config/ibm-flags
@@ -57,6 +57,9 @@ if test "XL" = "$cc_vendor"; then
     enable_shared="${enable_shared:-no}"
     # Make sure this is applied to other API compile options such as C++.
     AM_CFLAGS="$AM_CFLAGS"
+    # -qflag=w:w makes the lowest level of reported compile issues to be "warning"
+    # instead of "information". This suppresses a very large number of messages
+    # concerning the portability of __inline__.
     H5_CFLAGS="-qlanglvl=stdc99 -qflag=w:w $H5_CFLAGS"
     DEBUG_CFLAGS="-g -qfullpath"
     DEBUG_CPPFLAGS=
-- 
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