From f4162856313a21fd1b7fe7b28836a741da269849 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 28 Sep 2016 16:03:14 -0400
Subject: CompileFlags: Tell PGI compiler not to issue warning diagnostics

When hosting CMake's own build with the PGI compiler there are several
warnings that cannot easily be fixed or suppressed.  We have enough code
quality tools and warnings from other compilers that it is unlikely a
PGI-only warning is useful.
---
 CompileFlags.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CompileFlags.cmake b/CompileFlags.cmake
index 382787c..c875e6f 100644
--- a/CompileFlags.cmake
+++ b/CompileFlags.cmake
@@ -71,6 +71,13 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro)
   endif()
 endif()
 
+foreach(lang C CXX)
+  # Suppress warnings from PGI compiler.
+  if (CMAKE_${lang}_COMPILER_ID STREQUAL "PGI")
+    set(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} -w")
+  endif()
+endforeach()
+
 # use the ansi CXX compile flag for building cmake
 if (CMAKE_ANSI_CXXFLAGS)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}")
-- 
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