From 5d36190301e982bb6b6f55bf53ced2b59dd8f1a4 Mon Sep 17 00:00:00 2001
From: Bertrand Bellenot <bellenot@users.noreply.github.com>
Date: Tue, 24 Feb 2026 13:13:51 +0100
Subject: [PATCH] [cmake][win] Fix TestSupport on Windows

Linking a target with `ROOT::TestSupport` fails on Windows because of missing `${libprefix}`
---
 core/testsupport/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/testsupport/CMakeLists.txt b/core/testsupport/CMakeLists.txt
index f795f6d0b5694..eaa1b032e0451 100644
--- a/core/testsupport/CMakeLists.txt
+++ b/core/testsupport/CMakeLists.txt
@@ -8,7 +8,7 @@ if(NOT testsupport)
   return()
 endif()
 
-set(libname TestSupport)
+set(libname ${libprefix}TestSupport)
 set(header_dir ROOT/)
 
 add_library(${libname} OBJECT src/TestSupport.cxx)
@@ -27,5 +27,5 @@ install(TARGETS ${libname}
 set_property(GLOBAL APPEND PROPERTY ROOT_EXPORTED_TARGETS ${libname})
 
 # Make it usable inside and outside of ROOT under a single name if somebody writes their own tests using ROOT_ADD_GTEST
-add_library(ROOT::${libname} ALIAS ${libname})
+add_library(ROOT::TestSupport ALIAS ${libname})