From 509750b3194ebd4f56f525d35d07830ffa1da44e Mon Sep 17 00:00:00 2001
From: Carl Pearson <cwpearson@users.noreply.github.com>
Date: Sat, 27 Jul 2024 05:34:11 -0600
Subject: [PATCH] Don't use cmake_path before 3.20

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 45299188b..034f47c89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,7 +77,11 @@ endif()
 # Libraries
 if(KokkosTools_ENABLE_PAPI)
   find_package(PAPI REQUIRED) # TODO: papi-connector requires v6.0 or newer
-  cmake_path(GET PAPI_INCLUDE_DIR PARENT_PATH PAPI_ROOT)
+  if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
+    cmake_path(GET PAPI_INCLUDE_DIR PARENT_PATH PAPI_ROOT)
+  else()
+    get_filename_component(PAPI_ROOT ${PAPI_INCLUDE_DIR} DIRECTORY)
+  endif()
   message(STATUS "Found PAPI ${PAPI_VERSION_STRING} at ${PAPI_ROOT}")
   set(KokkosTools_HAS_PAPI ON)
 else()