From ce2da5238af3b8650a33889451574bf9d97033de Mon Sep 17 00:00:00 2001
From: Rahul Garg <rahul.garg@amd.com>
Date: Tue, 9 Jun 2020 15:52:59 +0000
Subject: [PATCH] Support empty sources in add_executable and add_library

Change-Id: I1441f2c045aeda2bba99bffe1c99fcc4a59cea9b


[ROCm/clr commit: e3617167f5d8dda140faeb9e5a27081c360758ae]
---
 projects/clr/hipamd/cmake/FindHIP.cmake | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/projects/clr/hipamd/cmake/FindHIP.cmake b/projects/clr/hipamd/cmake/FindHIP.cmake
index 498b5e4570..b4a5cb239e 100644
--- a/projects/clr/hipamd/cmake/FindHIP.cmake
+++ b/projects/clr/hipamd/cmake/FindHIP.cmake
@@ -638,7 +638,11 @@ macro(HIP_ADD_EXECUTABLE hip_target)
         endif()
         set(CMAKE_HIP_LINK_EXECUTABLE "${HIP_HIPCC_CMAKE_LINKER_HELPER} ${HIP_CLANG_PATH} ${HIP_CLANG_PARALLEL_BUILD_LINK_OPTIONS} <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
     endif()
-    add_executable(${hip_target} ${_cmake_options} ${_generated_files} ${_sources})
+    if ("${_sources}" STREQUAL "")
+        add_executable(${hip_target} ${_cmake_options} ${_generated_files} "")
+    else()
+        add_executable(${hip_target} ${_cmake_options} ${_generated_files} ${_sources})
+    endif()
     set_target_properties(${hip_target} PROPERTIES LINKER_LANGUAGE HIP)
 endmacro()
 
@@ -652,7 +656,11 @@ macro(HIP_ADD_LIBRARY hip_target)
     if(_source_files)
         list(REMOVE_ITEM _sources ${_source_files})
     endif()
-    add_library(${hip_target} ${_cmake_options} ${_generated_files} ${_sources})
+    if ("${_sources}" STREQUAL "")
+        add_library(${hip_target} ${_cmake_options} ${_generated_files} "")
+    else()
+        add_library(${hip_target} ${_cmake_options} ${_generated_files} ${_sources})
+    endif()
     set_target_properties(${hip_target} PROPERTIES LINKER_LANGUAGE ${HIP_C_OR_CXX})
 endmacro()