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- # Verify the current working directory.
- if(NOT EXISTS CMakeLists.txt)
- message(FATAL_ERROR "File does not exist:\n ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt")
- endif()
- if(NOT EXISTS tutorial.cxx)
- message(FATAL_ERROR "File does not exist:\n ${CMAKE_CURRENT_SOURCE_DIR}/tutorial.cxx")
- endif()
- # Check if the patch is already applied.
- file(STRINGS CMakeLists.txt prop_line REGEX "^set_property")
- if(prop_line)
- message(STATUS "Patch already applied!")
- return()
- endif()
- # Apply the patch.
- file(APPEND CMakeLists.txt "
- # Patch by ExternalProject test:
- set_property(TARGET Tutorial PROPERTY OUTPUT_NAME EP-Tutorial)
- list(LENGTH TEST_LIST len)
- if(NOT len EQUAL 3)
- message(FATAL_ERROR \"TEST_LIST length is \${len}, not 3\")
- endif()
- ")
- message(STATUS "Patched ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt")
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