From 09d6b5adcb9d529be6c9e1eeb203d0d7ec0c5557 Mon Sep 17 00:00:00 2001
From: umyangyu <umyangyu@umich.edu>
Date: Sat, 18 Jan 2025 20:53:28 -0500
Subject: [PATCH] resolve gtest

---
 CMakeLists.txt      | 3 ---
 deps/CMakeLists.txt | 2 ++
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2add62..9ed4db7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,9 +41,6 @@ message(STATUS "${PROJECT_NAME} version : ${PROJECT_VERSION}")
 message(STATUS "${PROJECT_NAME} Git hash: ${PROJECT_GIT_HASH}")
 
 # Assert that install directory is provided and is absolute path.
-if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT OR (NOT IS_ABSOLUTE ${CMAKE_INSTALL_PREFIX}))
-  message(FATAL_ERROR "No install prefix given (or invalid)")
-endif()
 if(NOT IS_SUBPROJECT)
   message(STATUS "-------- CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX} --------")
 endif()
diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
index 6db2571..f96c899 100644
--- a/deps/CMakeLists.txt
+++ b/deps/CMakeLists.txt
@@ -48,12 +48,14 @@ else()
 endif()
 
 # -- GTest --
+if(NOT TARGET gtest)
 external_dependency(GTest
   GIT_REPO https://github.com/google/googletest
   GIT_TAG main
   BUILD_ALWAYS
   EXCLUDE_FROM_ALL
 )
+endif()
 
 # -- nda --
 set(PythonSupport OFF)