Reduce Cmake project to a bare minium CMakeLists.txt

Author: Bill-hbrhbr

CMake/ystdlib-cpp-config.cmake.in

@@ -2,11 +2,3 @@ cmake_minimum_required(VERSION 3.16.3)
 project(YSTDLIB_CPP LANGUAGES CXX)
 
 set(YSTDLIB_CPP_VERSION "0.0.1" CACHE STRING "Project version.")
-
-# When ystdlib-cpp is included as subproject (i.e. using add_subdirectory(ystdlib-cpp)) in the
-# source tree of a project that uses it, installation rules are disabled.
-if(NOT CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
-    option(YSTDLIB_CPP_ENABLE_INSTALL "Enable installation rules" OFF)
-else()
-    option(YSTDLIB_CPP_ENABLE_INSTALL "Enable installation rules" ON)
-endif()