From c8ea3b6ac3f5720e55644cef3fa697202ccdcf48 Mon Sep 17 00:00:00 2001
From: Kai Pastor <dg0yt@darc.de>
Date: Thu, 21 Sep 2023 07:20:33 +0200
Subject: [PATCH] Guard add_library

---
 utf8cppConfig.cmake.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/utf8cppConfig.cmake.in b/utf8cppConfig.cmake.in
index 450fe8d..fd3480b 100644
--- a/utf8cppConfig.cmake.in
+++ b/utf8cppConfig.cmake.in
@@ -3,4 +3,6 @@
 include("${CMAKE_CURRENT_LIST_DIR}/utf8cppTargets.cmake")
 check_required_components( "utf8cpp" )
 
-add_library(utf8::cpp ALIAS utf8cpp)
+if(NOT TARGET utf8::cpp)
+    add_library(utf8::cpp ALIAS utf8cpp)
+endif()