From 97f4486769962315a8229f16485cd3740b8d22c5 Mon Sep 17 00:00:00 2001
From: Quincey Koziol <koziol@hdfgroup.org>
Date: Tue, 27 Apr 2010 14:20:57 -0500
Subject: [svn-r18637] Description:     Bring PGI compiler flags from 1.8
 branch, reducing optimization level with PGI C 9.x

Tested on:
    Linux/64 2.4 (amani) w/PGI C 9.x & 10.x
---
 config/pgi-flags | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/config/pgi-flags b/config/pgi-flags
index 2b03f3d..664b37b 100644
--- a/config/pgi-flags
+++ b/config/pgi-flags
@@ -68,15 +68,18 @@ if test "X-pgcc" = "X-$cc_vendor"; then
     #esac
 
     # General
-    H5_CFLAGS="$H5_CFLAGS $arch -Minform,warn"
+    H5_CFLAGS="$H5_CFLAGS $arch -c99 -Minform=inform"
 
     # Production
-    # Check for MPI wrapper being used and tweak down compiler options
-    if test "X-" == "X-$is_mpi"; then
-        PROD_CFLAGS="-fast -s -Mnoframe"
-    else
-        PROD_CFLAGS="-O2 -s"
-    fi
+    case "$cc_vendor-$cc_version" in
+      # Tweak down compiler optimizations for v9.x
+      pgcc-9.*)
+        PROD_CFLAGS="-O1 -s"
+        ;;
+      *)
+        PROD_CFLAGS="-fast -s"
+        ;;
+    esac
     PROD_CPPFLAGS=
 
     # Debug
-- 
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