From e91e6ccbfc4184bcfba5da267fd481729ddbde7a Mon Sep 17 00:00:00 2001
From: Jatin Chaudhary <jatin.chaudhary@amd.com>
Date: Thu, 10 Dec 2020 03:38:16 -0800
Subject: [PATCH] Populate HIP_CLANG_PATH if its not declared

Change-Id: Ibc1f2e9b3389b6cc7a58579cfb293999ad6e9398


[ROCm/clr commit: 9e358101880899ecd1a05cb392c55b6e26d3f2e7]
---
 projects/clr/hipamd/cmake/FindHIP.cmake | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/projects/clr/hipamd/cmake/FindHIP.cmake b/projects/clr/hipamd/cmake/FindHIP.cmake
index 6b698374a1..0921a72c45 100644
--- a/projects/clr/hipamd/cmake/FindHIP.cmake
+++ b/projects/clr/hipamd/cmake/FindHIP.cmake
@@ -217,6 +217,18 @@ elseif("${HIP_COMPILER}" STREQUAL "hcc")
     set(CMAKE_HIP_CREATE_SHARED_MODULE "${HIP_HIPCC_CMAKE_LINKER_HELPER} ${HCC_HOME} <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <LINK_LIBRARIES> -shared" )
     set(CMAKE_HIP_LINK_EXECUTABLE "${HIP_HIPCC_CMAKE_LINKER_HELPER} ${HCC_HOME} <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
 elseif("${HIP_COMPILER}" STREQUAL "clang")
+    #Set HIP_CLANG_PATH
+    if("x${HIP_CLANG_PATH}" STREQUAL "x")
+        if(DEFINED ENV{HIP_CLANG_PATH})
+            set(HIP_CLANG_PATH $ENV{HIP_CLANG_PATH})
+        elseif(DEFINED ENV{ROCM_PATH})
+            set(HIP_CLANG_PATH "$ENV{ROCM_PATH}/llvm/bin")
+        elseif(DEFINED ENV{HIP_PATH})
+            set(HIP_CLANG_PATH "$ENV{HIP_PATH}/../llvm/bin")
+        else()
+            set(HIP_CLANG_PATH "/opt/rocm/llvm/bin")
+        endif()
+    endif()
     #Number of parallel jobs by default is 1
     if(NOT DEFINED HIP_CLANG_NUM_PARALLEL_JOBS)
       set(HIP_CLANG_NUM_PARALLEL_JOBS 1)