| cmake_minimum_required (VERSION 3.14) |
| project(IncludeDirectoriesCPATH CXX) |
| message(STATUS "ENV{CPATH}: '$ENV{CPATH}'") |
| message(STATUS "CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES: '${CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES}'") |
| |
| include(CheckCXXCompilerFlag) |
| check_cxx_compiler_flag(-Wunused-variable run_sys_includes_test) |
| if(run_sys_includes_test) |
| # The Bullseye wrapper appears to break the -isystem effect. |
| execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE out ERROR_VARIABLE out) |
| if("x${out}" MATCHES "Bullseye") |
| set(run_sys_includes_test 0) |
| endif() |
| endif() |
| if (NOT run_sys_includes_test) |
| return() |
| endif() |
| |
| add_library(consumer consumer.cpp) |
| add_library(consumer_system consumer.cpp) |
| target_compile_options(consumer_system PRIVATE -Werror=unused-variable) |
| target_include_directories(consumer_system SYSTEM PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/viacpath") |
