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cmake_minimum_required (VERSION 2.6)
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project(IncludeDirectories)
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if (((CMAKE_C_COMPILER_ID STREQUAL GNU AND CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.4)
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OR CMAKE_C_COMPILER_ID STREQUAL Clang OR CMAKE_C_COMPILER_ID STREQUAL AppleClang)
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AND (CMAKE_GENERATOR STREQUAL "Unix Makefiles" OR CMAKE_GENERATOR STREQUAL "Ninja"))
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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 (run_sys_includes_test)
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add_subdirectory(SystemIncludeDirectories)
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endif()
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endif()
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file(WRITE ${CMAKE_BINARY_DIR}/Flags/Flags.h
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"//Flags.h
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")
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file(WRITE ${CMAKE_BINARY_DIR}/IncDir/IncDir.h
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"//IncDir.h
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")
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file(WRITE ${CMAKE_BINARY_DIR}/SrcProp/SrcProp.h
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"//SrcProp.h
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")
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file(WRITE ${CMAKE_BINARY_DIR}/TarProp/TarProp.h
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"//TarProp.h
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")
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# default to testing with full path
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# some compilers can not handle the escape for directories
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# with spaces in them.
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set(USE_FULLPATH TRUE)
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if(WATCOM OR MSVC60)
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set(USE_FULLPATH FALSE)
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endif()
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if(USE_FULLPATH)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \"-I${CMAKE_BINARY_DIR}/Flags\"")
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -IFlags")
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endif()
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include_directories(${CMAKE_BINARY_DIR}/IncDir)
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if(USE_FULLPATH)
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set_source_files_properties(main.cpp PROPERTIES COMPILE_FLAGS
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"\"-I${CMAKE_BINARY_DIR}/SrcProp\"")
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else()
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set_source_files_properties(main.cpp PROPERTIES COMPILE_FLAGS
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"-ISrcProp")
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endif()
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add_executable(IncludeDirectories main.cpp)
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if(USE_FULLPATH)
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set_target_properties(IncludeDirectories
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PROPERTIES COMPILE_FLAGS "\"-I${CMAKE_BINARY_DIR}/TarProp\"")
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else()
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set_target_properties(IncludeDirectories
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PROPERTIES COMPILE_FLAGS "-ITarProp")
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endif()
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add_subdirectory(TargetIncludeDirectories)
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set_property(DIRECTORY PROPERTY INCLUDE_DIRECTORIES "${CMAKE_BINARY_DIR}")
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get_property(propContent DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
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if (NOT propContent STREQUAL "${CMAKE_BINARY_DIR}")
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message(SEND_ERROR "Setting DIRECTORY property failed.")
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endif()
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set_property(DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
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get_property(propContentAfter DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
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if (NOT propContentAfter STREQUAL "")
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message(SEND_ERROR "Clearing DIRECTORY property failed.")
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endif()
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add_library(empty_entry_test SHARED empty.cpp)
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set_target_properties(empty_entry_test PROPERTIES INCLUDE_DIRECTORIES "")
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include_directories(/one/two
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" "
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" "
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)
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get_target_property(incs empty_entry_test INCLUDE_DIRECTORIES)
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if (NOT incs STREQUAL ";/one/two")
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message(SEND_ERROR "Empty include_directories entry was not ignored.")
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endif()
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if(NOT CMAKE_GENERATOR STREQUAL Xcode AND NOT CMAKE_GENERATOR STREQUAL Ninja)
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add_subdirectory(CMP0021)
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endif()
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