From 4f0669c57407af9d1cbf4bc14e28922be3a38c90 Mon Sep 17 00:00:00 2001
From: Robin Mueller <Robin Mueller>
Date: Mon, 11 Apr 2022 16:44:20 +0200
Subject: [PATCH] doc update

---
 CMakeLists.txt           |  8 +++-----
 README.md                | 11 +++++------
 docs/getting_started.rst | 11 +++++------
 3 files changed, 13 insertions(+), 17 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 51d40f48..d8ca812e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
 set(FSFW_ETL_LIB_MAJOR_VERSION 20 CACHE STRING
     "ETL library major version requirement"
 )
-set(FSFW_ETL_LIB_VERSION ${FSFW_ETL_LIB_MAJOR_VERSION}.26.0 CACHE STRING
+set(FSFW_ETL_LIB_VERSION ${FSFW_ETL_LIB_MAJOR_VERSION}.27.2 CACHE STRING
     "ETL library exact version requirement"
 )
 
@@ -106,11 +106,9 @@ if(FSFW_BUILD_UNITTESTS)
 endif()
 
 message(STATUS "Finding and/or providing ETL library")
+
 # Check whether the user has already installed ETL first
-# I think the version provisioning feature of CMake has not been implemented for the ETL library
-# yet. Therefore we can not specify any (not even the major) version here and we have to rely
-# on the user having installed the correct version for now
-find_package(${FSFW_ETL_LIB_NAME} QUIET)
+find_package(${FSFW_ETL_LIB_NAME} ${FSFW_ETL_LIB_MAJOR_VERSION} QUIET)
 # Not installed, so use FetchContent to download and provide etl
 if(NOT ${FSFW_ETL_LIB_NAME}_FOUND)
     message(STATUS
diff --git a/README.md b/README.md
index 51d78b25..99c842af 100644
--- a/README.md
+++ b/README.md
@@ -56,9 +56,10 @@ information about the possible options.
 The Embedded Template Library (etl) is a dependency of the FSFW which is automatically
 installed and provided by the build system unless the correction version was installed.
 The current recommended version can be found inside the fsfw `CMakeLists.txt` file or by using
-`ccmake` and looking up the `FSFW_ETL_LIB_VERSION` variable.
+`ccmake` and looking up the `FSFW_ETL_LIB_MAJOR_VERSION` variable.
 
-You can install the ETL library like this:
+You can install the ETL library like this. On Linux, it might be necessary to add `sudo` before
+the install call:
 
 ```cpp
 git clone https://github.com/ETLCPP/etl
@@ -69,10 +70,8 @@ cmake ..
 cmake --install .
 ```
 
-Right now, the version provision feature by the ETL library has not been implemented
-yet so `CMake` is unable to determine and check the major version of the ETL
-library. You have to ensure that the ETL library has been installed with the
-correct major version.
+It is recommended to install `20.27.2` or newer for the package version handling of
+ETL to work.
 
 ## Adding the library
 
diff --git a/docs/getting_started.rst b/docs/getting_started.rst
index fb316a97..01724b3a 100644
--- a/docs/getting_started.rst
+++ b/docs/getting_started.rst
@@ -25,9 +25,10 @@ Prerequisites
 The Embedded Template Library (etl) is a dependency of the FSFW which is automatically
 installed and provided by the build system unless the correction version was installed.
 The current recommended version can be found inside the fsfw ``CMakeLists.txt`` file or by using
-``ccmake`` and looking up the ``FSFW_ETL_LIB_VERSION`` variable.
+``ccmake`` and looking up the ``FSFW_ETL_LIB_MAJOR_VERSION`` variable.
 
-You can install the ETL library like this:
+You can install the ETL library like this. On Linux, it might be necessary to add ``sudo`` before
+the install call:
 
 .. code-block:: console
 
@@ -38,10 +39,8 @@ You can install the ETL library like this:
    cmake ..
    cmake --install .
 
-Right now, the version provision feature by the ETL library has not been implemented
-yet so ``CMake`` is unable to determine and check the major version of the ETL
-library. You have to ensure that the ETL library has been installed with the
-correct major version.
+It is recommended to install ``20.27.2`` or newer for the package version handling of
+ETL to work.
 
 Adding the library
 -------------------