From 40d6c67d0ab990704dc027c6fa8b038bc7d0d108 Mon Sep 17 00:00:00 2001
From: Urs Fleisch <ufleisch@users.sourceforge.net>
Date: Sat, 4 Nov 2023 15:22:16 +0100
Subject: [PATCH] Fix CMake build system to use existing include directory
 (#112)

Also provide an imported target utf8::cpp for backward compatibility.
---
 CMakeLists.txt         | 2 +-
 utf8cppConfig.cmake.in | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fdd906..2ca50a6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ include(GNUInstallDirs)
 
 target_include_directories(utf8cpp INTERFACE
     "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/source>"
-    $<INSTALL_INTERFACE:include/utf8cpp>
+    $<INSTALL_INTERFACE:include>
 )
 
 include(CMakePackageConfigHelpers)
diff --git a/utf8cppConfig.cmake.in b/utf8cppConfig.cmake.in
index 9c15f36..4bdb9c4 100644
--- a/utf8cppConfig.cmake.in
+++ b/utf8cppConfig.cmake.in
@@ -2,3 +2,7 @@
 
 include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
 check_required_components("@PROJECT_NAME@")
+
+if(NOT TARGET utf8::cpp)
+    add_library(utf8::cpp ALIAS utf8cpp::utf8cpp)
+endif()