| cmake_minimum_required(VERSION 3.17 FATAL_ERROR) |
| |
| project(SystemIncludeDirectoriesPerLang) |
| |
| add_library(c_interface INTERFACE) |
| set_target_properties(c_interface PROPERTIES |
| INTERFACE_INCLUDE_DIRECTORIES "$<$<COMPILE_LANGUAGE:C>:${CMAKE_CURRENT_SOURCE_DIR}>" |
| INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "$<$<COMPILE_LANGUAGE:C>:${CMAKE_CURRENT_SOURCE_DIR}>" |
| ) |
| target_compile_options(c_interface INTERFACE "$<$<COMPILE_LANG_AND_ID:C,GNU,Clang>:-Werror=unused-variable>") |
| |
| add_library(cxx_interface INTERFACE) |
| set_target_properties(cxx_interface PROPERTIES |
| INTERFACE_INCLUDE_DIRECTORIES "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/cxx_system_include>" |
| INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/cxx_system_include>" |
| ) |
| target_compile_options(cxx_interface INTERFACE "$<$<COMPILE_LANG_AND_ID:CXX,GNU,Clang>:-Werror=unused-variable>") |
| |
| # The C header must come before the C++ header for this test to smoke out the |
| # failure. The order of sources is how CMake determines the include cache |
| # and we need it to cache on the 'bad' language first |
| add_executable(consume_multi_lang_includes main.c smoke_out_includes.cxx) |
| target_link_libraries(consume_multi_lang_includes PRIVATE c_interface cxx_interface) |
