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