From 8ba976a100810055e12b412d951c47b5b61e3d15 Mon Sep 17 00:00:00 2001
From: Andre Sailer <andre.philippe.sailer@cern.ch>
Date: Wed, 14 Feb 2024 17:08:00 +0100
Subject: [PATCH] CMake: add shim for LCIO::lcio

---
 CMakeLists.txt | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d467551ae..a8f65059d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,16 @@ message ( STATUS "ROOT_VERSION: ${ROOT_VERSION}" )
 
 find_package( Geant4 REQUIRED ) 
 find_package( LCIO REQUIRED)
-
+# Shim for older LCIO versions
+if(NOT TARGET LCIO::lcio)
+    add_library(LCIO::lcio INTERFACE IMPORTED GLOBAL)
+    set_target_properties(LCIO::lcio
+      PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${LCIO_INCLUDE_DIRS}"
+      INTERFACE_LINK_LIBRARIES "${LCIO_LIBRARIES}"
+    )
+  endif()
+  
 add_subdirectory(detectorSegmentations)
 add_subdirectory(detectorCommon)