From 0d2a532fc3b25199af03106b6d4ade0f92a30dfc Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Fri, 8 Apr 2016 13:16:08 -0700
Subject: Created the new EIGEN_TEST_CUDA_CLANG option to compile the CUDA
 tests using clang instead of nvcc

---
 cmake/EigenTesting.cmake | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

(limited to 'cmake')

diff --git a/cmake/EigenTesting.cmake b/cmake/EigenTesting.cmake
index d5e3972b5..6f3661921 100644
--- a/cmake/EigenTesting.cmake
+++ b/cmake/EigenTesting.cmake
@@ -19,10 +19,25 @@ macro(ei_add_test_internal testname testname_with_suffix)
   endif()
   
   if(EIGEN_ADD_TEST_FILENAME_EXTENSION STREQUAL cu)
-    if (${ARGC} GREATER 2)
-      cuda_add_executable(${targetname} ${filename} OPTIONS ${ARGV2})
+    if(EIGEN_TEST_CUDA_CLANG)
+      set_source_files_properties(${filename} PROPERTIES LANGUAGE CXX)
+      if(CUDA_64_BIT_DEVICE_CODE)
+        link_directories("${CUDA_TOOLKIT_ROOT_DIR}/lib64")
+      else()
+        link_directories("${CUDA_TOOLKIT_ROOT_DIR}/lib")
+      endif()
+      if (${ARGC} GREATER 2)
+        add_executable(${targetname} ${filename})
+      else()
+        add_executable(${targetname} ${filename} OPTIONS ${ARGV2})
+      endif()
+      target_link_libraries(${targetname} "cudart_static" "cuda" "dl" "rt" "pthread")
     else()
-      cuda_add_executable(${targetname} ${filename})
+      if (${ARGC} GREATER 2)
+        cuda_add_executable(${targetname} ${filename} OPTIONS ${ARGV2})
+      else()
+        cuda_add_executable(${targetname} ${filename})
+      endif()
     endif()
   else()
     add_executable(${targetname} ${filename})
@@ -316,7 +331,11 @@ macro(ei_testing_print_summary)
     endif()
 
     if(EIGEN_TEST_CUDA)
-      message(STATUS "CUDA:              ON")
+      if(EIGEN_TEST_CUDA_CLANG)
+        message(STATUS "CUDA:              ON (using clang)")
+      else()
+        message(STATUS "CUDA:              ON (using nvcc)")
+      endif()
     else()
       message(STATUS "CUDA:              OFF")
     endif()
-- 
cgit v1.2.3