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enable_language(C)
set(out "${CMAKE_CURRENT_BINARY_DIR}/folder")
set(link_folder "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CMakeTmp")
set(link_dir "${link_folder}/link_dir")
file(MAKE_DIRECTORY "${out}")
file(MAKE_DIRECTORY "${link_folder}")
file(WRITE ${out}/empty_file "")
file(CREATE_LINK ${out} ${link_dir} SYMBOLIC)
try_compile(res ${CMAKE_CURRENT_BINARY_DIR}
SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src.c)
if(EXISTS ${link_dir})
message(FATAL_ERROR "did not remove ${link_dir}")
endif()
if(NOT EXISTS ${out})
message(FATAL_ERROR "should not have removed ${out}/dir")
endif()
file(REMOVE_RECURSE "${out}")
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