From 3039cca242bcb7ada82c43a03afc12c9f683995a Mon Sep 17 00:00:00 2001
From: Philipp Moritz <pcmoritz@gmail.com>
Date: Mon, 9 Apr 2018 18:59:24 -0700
Subject: [PATCH] add facility to link libraries to tests (#1850)

---
 cmake/Modules/BuildUtils.cmake | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cmake/Modules/BuildUtils.cmake b/cmake/Modules/BuildUtils.cmake
index d3e148b10..cd8a107b4 100644
--- a/cmake/Modules/BuildUtils.cmake
+++ b/cmake/Modules/BuildUtils.cmake
@@ -226,3 +226,13 @@ function(ADD_RAY_TEST REL_TEST_NAME)
   endif()
   set_tests_properties(${TEST_NAME} PROPERTIES LABELS "unittest")
 endfunction()
+
+# A wrapper for target_link_libraries() that is compatible with NO_TESTS.
+function(RAY_TEST_LINK_LIBRARIES REL_TEST_NAME)
+  if(NO_TESTS)
+    return()
+  endif()
+  get_filename_component(TEST_NAME ${REL_TEST_NAME} NAME_WE)
+
+  target_link_libraries(${TEST_NAME} ${ARGN})
+endfunction()