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cmake_minimum_required(VERSION 3.10)
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project(RerunRccDepends)
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include("../AutogenTest.cmake")
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# Tests rcc rebuilding when a resource file changes
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# Dummy executable to generate a clean target
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add_executable(dummy dummy.cpp)
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# When a .qrc or a file listed in a .qrc file changes,
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# the target must be rebuilt
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set(timeformat "%Y%j%H%M%S")
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set(rccDepSD "${CMAKE_CURRENT_SOURCE_DIR}/RccDepends")
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set(rccDepBD "${CMAKE_CURRENT_BINARY_DIR}/RccDepends")
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# Initial build
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configure_file(${rccDepSD}/resPlainA.qrc.in ${rccDepBD}/resPlain.qrc COPYONLY)
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configure_file(${rccDepSD}/resGenA.qrc.in ${rccDepBD}/resGen.qrc.in COPYONLY)
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try_compile(RCC_DEPENDS
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"${rccDepBD}"
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"${rccDepSD}"
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RccDepends
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CMAKE_FLAGS "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
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"-DCMAKE_AUTOGEN_VERBOSE=${CMAKE_AUTOGEN_VERBOSE}"
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"-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
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OUTPUT_VARIABLE output
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)
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if (NOT RCC_DEPENDS)
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message(SEND_ERROR "Initial build of rccDepends failed. Output: ${output}")
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endif()
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# Get name of the output binaries
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file(STRINGS "${rccDepBD}/targetPlain.txt" targetListPlain ENCODING UTF-8)
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file(STRINGS "${rccDepBD}/targetGen.txt" targetListGen ENCODING UTF-8)
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list(GET targetListPlain 0 rccDepBinPlain)
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list(GET targetListGen 0 rccDepBinGen)
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message("Target that uses a plain .qrc file is:\n ${rccDepBinPlain}")
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message("Target that uses a GENERATED .qrc file is:\n ${rccDepBinGen}")
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message("Changing a resource files listed in the .qrc file")
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# - Acquire binary timestamps before the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
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# - Ensure that the timestamp will change
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# - Change a resource files listed in the .qrc file
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# - Rebuild
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
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file(TOUCH "${rccDepBD}/resPlain/input.txt" "${rccDepBD}/resGen/input.txt")
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execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
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if (result)
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message(SEND_ERROR "Second build of rccDepends failed.")
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endif()
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# - Acquire binary timestamps after the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
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# - Test if timestamps changed
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if (NOT rdPlainAfter GREATER rdPlainBefore)
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message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should have changed!")
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endif()
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if (NOT rdGenAfter GREATER rdGenBefore)
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message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should have changed!")
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endif()
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message("Changing the .qrc file")
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# - Acquire binary timestamps before the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
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# - Ensure that the timestamp will change
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# - Change the .qrc file
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# - Rebuild
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
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configure_file(${rccDepSD}/resPlainB.qrc.in ${rccDepBD}/resPlain.qrc COPYONLY)
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configure_file(${rccDepSD}/resGenB.qrc.in ${rccDepBD}/resGen.qrc.in COPYONLY)
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execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
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if (result)
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message(SEND_ERROR "Third build of rccDepends failed.")
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endif()
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# - Acquire binary timestamps after the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
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# - Test if timestamps changed
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if (NOT rdPlainAfter GREATER rdPlainBefore)
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message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should have changed!")
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endif()
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if (NOT rdGenAfter GREATER rdGenBefore)
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message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should have changed!")
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endif()
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message("Changing a newly added resource files listed in the .qrc file")
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# - Acquire binary timestamps before the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
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# - Ensure that the timestamp will change
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# - Change a newly added resource files listed in the .qrc file
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# - Rebuild
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
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file(TOUCH "${rccDepBD}/resPlain/inputAdded.txt" "${rccDepBD}/resGen/inputAdded.txt")
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execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
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if (result)
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message(SEND_ERROR "Fourth build of rccDepends failed.")
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endif()
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# - Acquire binary timestamps after the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
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# - Test if timestamps changed
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if (NOT rdPlainAfter GREATER rdPlainBefore)
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message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should have changed!")
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endif()
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if (NOT rdGenAfter GREATER rdGenBefore)
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message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should have changed!")
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endif()
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message("Changing nothing in the .qrc file")
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# - Acquire binary timestamps before the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
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# - Ensure that the timestamp will change
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# - Change nothing
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# - Rebuild
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
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execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
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if (result)
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message(SEND_ERROR "Fifth build of rccDepends failed.")
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endif()
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# - Acquire binary timestamps after the build
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file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
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file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
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# - Test if timestamps changed
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if (rdPlainAfter GREATER rdPlainBefore)
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message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should NOT have changed!")
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endif()
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if (rdGenAfter GREATER rdGenBefore)
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message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should NOT have changed!")
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endif()
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