cmake_minimum_required(VERSION 3.0.0) project(new_explicit_header_abspath VERSION 1.5.6.7) set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../modules) include(ECMSetupVersion) ecm_setup_version(2.3.4 VARIABLE_PREFIX Foo VERSION_HEADER "${CMAKE_CURRENT_BINARY_DIR}/../ecm_new_explicit_header_abspath_version.h" ) include(../version_helpers.cmake) project_version_var_checks(1.5.6.7) version_var_checks(Foo 2.3.4) assert_var_num_value(Foo_SOVERSION 2) add_executable(check_header main.c) target_include_directories(check_header PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/..")