From 915cbbcf1d795b8c435537e5b38ccf10c60a6a3a Mon Sep 17 00:00:00 2001
From: Lalit <labhas@microsoft.com>
Date: Tue, 19 Oct 2021 10:07:15 -0700
Subject: [PATCH]  add explicit check for submodule

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55b95d6911..20e7d61cca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -272,7 +272,7 @@ if((NOT WITH_API_ONLY)
       set(JSON_Install
           ON
           CACHE INTERNAL "")
-      if(EXISTS ${PROJECT_SOURCE_DIR}/third_party/nlohmann-json)
+      if(EXISTS ${PROJECT_SOURCE_DIR}/third_party/nlohmann-json/CMakeLists.txt)
         # This option allows to link nlohmann_json::nlohmann_json target
         add_subdirectory(${PROJECT_SOURCE_DIR}/third_party/nlohmann-json)
         # This option allows to add header to include directories