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163 lines
4.9 KiB
163 lines
4.9 KiB
cmake_minimum_required(VERSION 3.16)
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project(RerunMocBasic)
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include("../AutogenCoreTest.cmake")
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# Dummy executable to generate a clean target
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add_executable(dummy dummy.cpp)
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# Utility variables
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set(timeformat "%Y.%j.%H.%M%S")
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set(mocBasicSrcDir "${CMAKE_CURRENT_SOURCE_DIR}/MocBasic")
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set(mocBasicBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocBasic")
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# Utility macros
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macro(sleep)
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message(STATUS "Sleeping for a few seconds.")
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
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endmacro()
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macro(acquire_timestamp When)
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file(TIMESTAMP "${mocBasicBin}" time${When} "${timeformat}")
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endmacro()
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macro(rebuild buildName)
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message(STATUS "Starting build ${buildName}.")
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execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocBasicBinDir}" RESULT_VARIABLE result)
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if (result)
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message(FATAL_ERROR "Build ${buildName} failed.")
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else()
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message(STATUS "Build ${buildName} finished.")
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endif()
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endmacro()
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macro(require_change)
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if (timeAfter VERSION_GREATER timeBefore)
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message(STATUS "As expected the file ${mocBasicBin} changed.")
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else()
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message(SEND_ERROR "Unexpectedly the file ${mocBasicBin} did not change!\nTimestamp pre: ${timeBefore}\nTimestamp aft: ${timeAfter}\n")
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endif()
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endmacro()
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macro(require_change_not)
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if (timeAfter VERSION_GREATER timeBefore)
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message(SEND_ERROR "Unexpectedly the file ${mocBasicBin} changed!\nTimestamp pre: ${timeBefore}\nTimestamp aft: ${timeAfter}\n")
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else()
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message(STATUS "As expected the file ${mocBasicBin} did not change.")
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endif()
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endmacro()
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# Configure the test project
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configure_file("${mocBasicSrcDir}/test1a.h.in" "${mocBasicBinDir}/test1.h" COPYONLY)
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configure_file("${mocBasicSrcDir}/myobject3a.h.in" "${mocBasicBinDir}/myobject3.h" @ONLY)
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if(CMAKE_GENERATOR_INSTANCE)
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set(_D_CMAKE_GENERATOR_INSTANCE "-DCMAKE_GENERATOR_INSTANCE=${CMAKE_GENERATOR_INSTANCE}")
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else()
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set(_D_CMAKE_GENERATOR_INSTANCE "")
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endif()
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execute_process(
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COMMAND "${CMAKE_COMMAND}" -B "${mocBasicBinDir}" -S "${mocBasicSrcDir}"
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-G "${CMAKE_GENERATOR}"
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-A "${CMAKE_GENERATOR_PLATFORM}"
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-T "${CMAKE_GENERATOR_TOOLSET}"
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${_D_CMAKE_GENERATOR_INSTANCE}
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"-DQT_TEST_VERSION=${QT_TEST_VERSION}"
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"-DCMAKE_AUTOGEN_VERBOSE=${CMAKE_AUTOGEN_VERBOSE}"
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"-DCMAKE_PREFIX_PATH:STRING=${CMAKE_PREFIX_PATH}"
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"-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
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RESULT_VARIABLE exit_code
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OUTPUT_VARIABLE output
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)
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if(NOT exit_code EQUAL 0)
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message(FATAL_ERROR "Initial configuration of mocBasic failed. Output: ${output}")
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endif()
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# Initial build
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execute_process(
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COMMAND "${CMAKE_COMMAND}" --build "${mocBasicBinDir}"
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RESULT_VARIABLE exit_code
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OUTPUT_VARIABLE output
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)
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if(NOT exit_code EQUAL 0)
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message(FATAL_ERROR "Initial build of mocBasic failed. Output: ${output}")
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endif()
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# Get name of the output binary
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file(STRINGS "${mocBasicBinDir}/mocBasic.txt" mocBasicList ENCODING UTF-8)
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list(GET mocBasicList 0 mocBasicBin)
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# To avoid a race condition where the binary has the same timestamp
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# as a source file and therefore gets rebuild
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# - sleep to ensure a timestamp change
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# - touch binary to ensure it has a new timestamp
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acquire_timestamp(Before)
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sleep()
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message(STATUS "Touching binary file to ensure a new timestamps")
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file(TOUCH_NOCREATE "${mocBasicBin}")
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acquire_timestamp(After)
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require_change()
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# - Ensure that the timestamp will change
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# - Change header file content
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# - Rebuild
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acquire_timestamp(Before)
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sleep()
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message(STATUS "Changing the header content for a MOC re-run")
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configure_file("${mocBasicSrcDir}/test1b.h.in" "${mocBasicBinDir}/test1.h" COPYONLY)
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sleep()
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rebuild(2)
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acquire_timestamp(After)
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require_change()
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# - Ensure that the timestamp would change
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# - Change nothing
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# - Rebuild
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acquire_timestamp(Before)
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sleep()
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message(STATUS "Changing nothing for no MOC re-run")
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rebuild(3)
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acquire_timestamp(After)
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require_change_not()
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# - Ensure that the timestamp will change
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# - Remove Q_OBJECT from header
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# - Rebuild
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acquire_timestamp(Before)
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sleep()
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message(STATUS "Remove Q_OBJECT from header file for a MOC re-run")
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configure_file("${mocBasicSrcDir}/test1c.h.in" "${mocBasicBinDir}/test1.h" COPYONLY)
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sleep()
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rebuild(4)
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acquire_timestamp(After)
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require_change()
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# - Ensure that the timestamp will change
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# - Add Q_OBJECT to header again
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# - Rebuild
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acquire_timestamp(Before)
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sleep()
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message(STATUS "Add Q_OBJECT to test1.h for a MOC re-run")
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configure_file("${mocBasicSrcDir}/test1a.h.in" "${mocBasicBinDir}/test1.h" COPYONLY)
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sleep()
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rebuild(5)
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acquire_timestamp(After)
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require_change()
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# - Ensure that the timestamp will change
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# - Add Q_OBJECT to MyObject3
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# - Rebuild
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acquire_timestamp(Before)
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sleep()
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message(STATUS "Add Q_OBJECT to myobject3.h file for a MOC re-run")
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set(CLASS_CONTENT "Q_OBJECT")
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configure_file("${mocBasicSrcDir}/myobject3a.h.in" "${mocBasicBinDir}/myobject3.h" @ONLY)
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sleep()
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rebuild(6)
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acquire_timestamp(After)
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require_change()
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