From dac0e528a019c8398766ed05fc2b31f659cd33b9 Mon Sep 17 00:00:00 2001
From: Marius Brehler <marius.brehler@gmail.com>
Date: Sun, 6 Jul 2025 03:38:31 +0200
Subject: [PATCH] Set `GTEST_BOTH_LIBRARIES` appropriately (#1669)

If `find_package()` succeeds to find GTest and `INSTALL_DEPENDENCIES`
is set to OFF, `GTEST_BOTH_LIBRARIES` is not set and thus
`rccl-UnitTests` fails with trying to link unkown symbols.
---
 cmake/Dependencies.cmake | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index 725c0c2e37..e30866a2dd 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -70,6 +70,8 @@ if(NOT GTest_FOUND AND BUILD_TESTS OR INSTALL_DEPENDENCIES)
         message(FATAL_ERROR "Cannot find gtest library installation path.")
     find_package(GTest REQUIRED CONFIG PATHS ${GTEST_ROOT})
     endif()
+elseif(GTest_FOUND AND BUILD_TESTS)
+  set(GTEST_BOTH_LIBRARIES "GTest::gtest;GTest::gtest_main")
 endif()
 
 # Find or download/install rocm-cmake project