From 42ef13bc06c89ba5baa0c4fe80dcbb403493e6c6 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Sat, 22 May 2021 11:19:54 -0400
Subject: [PATCH] enable C++11 for compiling N2P2 lib with PGI

---
 cmake/Modules/Packages/USER-HDNNP.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmake/Modules/Packages/USER-HDNNP.cmake b/cmake/Modules/Packages/USER-HDNNP.cmake
index 6770ed112b..147501a7d7 100644
--- a/cmake/Modules/Packages/USER-HDNNP.cmake
+++ b/cmake/Modules/Packages/USER-HDNNP.cmake
@@ -20,6 +20,9 @@ if(DOWNLOAD_N2P2)
   elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
     set(N2P2_COMP gnu)
     set(N2P2_CXX_STD "-std=c++11")
+  elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "PGI")
+    set(N2P2_COMP gnu)
+    set(N2P2_CXX_STD "--c++11")
   else() # default
     set(N2P2_COMP "")
   endif()