From 3a4ef70a7fb97b051a4be93e27c8e465217b3263 Mon Sep 17 00:00:00 2001
From: Thomas Madlener <thomas.madlener@desy.de>
Date: Wed, 23 Oct 2024 15:13:06 +0200
Subject: [PATCH] Find nlohmann_json downstream if EDM4hep has support

---
 cmake/EDM4HEPConfig.cmake.in | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/EDM4HEPConfig.cmake.in b/cmake/EDM4HEPConfig.cmake.in
index 7bf6d54f2..2a68686e2 100644
--- a/cmake/EDM4HEPConfig.cmake.in
+++ b/cmake/EDM4HEPConfig.cmake.in
@@ -14,6 +14,11 @@ set_and_check(EDM4HEP_DATA_DIR "@PACKAGE_CMAKE_INSTALL_DATADIR@/edm4hep")
 include(CMakeFindDependencyMacro)
 find_dependency(podio REQUIRED)
 
+set(EDM4HEP_WITH_JSON @nlohmann_json_FOUND@)
+if (EDM4HEP_WITH_JSON)
+  find_dependency(nlohmann_json 3.10.5 REQUIRED)
+endif()
+
 # - Include the targets file to create the imported targets that a client can
 # link to (libraries) or execute (programs)
 include("${CMAKE_CURRENT_LIST_DIR}/EDM4HEPTargets.cmake")