From 48b0c52e92b4d032d3c6fa0203745f3527e91784 Mon Sep 17 00:00:00 2001
From: Robin Mueller <31589589+robamu@users.noreply.github.com>
Date: Tue, 17 May 2022 18:08:47 +0200
Subject: [PATCH] New alias target etl::etl and CMake instructions update
 (#540)

* correction for link call in CMake instructions

* add alias target etl::etl
---
 CMakeLists.txt | 3 +++
 README.md      | 6 +++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6cf7a050..164a7dca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,6 +17,9 @@ option(BUILD_TESTS "Build unit tests" OFF)
 option(NO_STL "No STL" OFF)
 
 add_library(${PROJECT_NAME} INTERFACE)
+# This allows users which use the add_subdirectory or FetchContent
+# to use the same target as users which use find_package
+add_library(etl::etl ALIAS ${PROJECT_NAME})
 
 target_include_directories(${PROJECT_NAME} SYSTEM INTERFACE
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
diff --git a/README.md b/README.md
index 72601b2c..8f99c16f 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ and then make the library available by using `add_subdirectory`
 ```cmake
 add_subdirectory(etl)
 add_executable(foo main.cpp)
-target_link_libraries(foo PRIVATE etl)
+target_link_libraries(foo PRIVATE etl::etl)
 ```
 
 If ETL library is used as a Git submodule it may require additional configuration for proper ETL version resolution by allowing the lookup for Git folder outside of the library root directory.
@@ -103,7 +103,7 @@ Replace `<majorVersionRequirement>` with your desired major version:
 ```cmake
 find_package(etl <majorVersionRequirement>)
 add_executable(foo main.cpp)
-target_link_libraries(foo PRIVATE etl)
+target_link_libraries(foo PRIVATE etl::etl)
 ```
 
 
@@ -122,7 +122,7 @@ FetchContent_Declare(
 FetchContent_MakeAvailable(etl)
 
 add_executable(foo main.cpp)
-target_link_libraries(foo PRIVATE etl)
+target_link_libraries(foo PRIVATE etl::etl)
 ```
 
 ## Arduino library