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98 lines
3.6 KiB
98 lines
3.6 KiB
# This test checks whether adding a source file to the project triggers an AUTOMOC re-run.
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cmake_minimum_required(VERSION 3.16)
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project(RerunMocOnAddFile)
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include("../AutogenCoreTest.cmake")
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# Create an executable to generate a clean target
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set(main_source "${CMAKE_CURRENT_BINARY_DIR}/generated_main.cpp")
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file(WRITE "${main_source}" "int main() {}")
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add_executable(exe "${main_source}")
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# Utility variables
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set(timeformat "%Y.%j.%H.%M%S")
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set(testProjectTemplateDir "${CMAKE_CURRENT_SOURCE_DIR}/MocOnAddFile")
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set(testProjectSrc "${CMAKE_CURRENT_BINARY_DIR}/MocOnAddFile")
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set(testProjectBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocOnAddFile-build")
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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 "${testProjectBinDir}" 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 ${mocBasicBin} did not change.")
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endif()
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endmacro()
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# Create the test project from the template
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unset(additional_project_sources)
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unset(main_cpp_includes)
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configure_file("${testProjectTemplateDir}/CMakeLists.txt.in" "${testProjectSrc}/CMakeLists.txt")
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configure_file("${testProjectTemplateDir}/main.cpp.in" "${testProjectSrc}/main.cpp")
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# Initial build
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try_compile(MOC_RERUN
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"${testProjectBinDir}"
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"${testProjectSrc}"
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MocOnAddFile
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CMAKE_FLAGS "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
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"-DCMAKE_AUTOGEN_VERBOSE=${CMAKE_AUTOGEN_VERBOSE}"
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"-DCMAKE_PREFIX_PATH:STRING=${CMAKE_PREFIX_PATH}"
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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 MOC_RERUN)
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message(FATAL_ERROR "Initial build of mocOnAddFile failed. Output: ${output}")
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endif()
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# Sleep to ensure new timestamps
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sleep()
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# Add a QObject class (defined in header) to the project and build
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set(additional_project_sources myobject.cpp)
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set(main_cpp_includes "#include \"myobject.h\"")
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configure_file("${testProjectTemplateDir}/CMakeLists.txt.in" "${testProjectSrc}/CMakeLists.txt"
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@ONLY)
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configure_file("${testProjectTemplateDir}/main.cpp.in" "${testProjectSrc}/main.cpp" @ONLY)
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configure_file("${testProjectTemplateDir}/myobject.h" "${testProjectSrc}/myobject.h" COPYONLY)
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configure_file("${testProjectTemplateDir}/myobject.cpp" "${testProjectSrc}/myobject.cpp" COPYONLY)
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rebuild(2)
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# Sleep to ensure new timestamps
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sleep()
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# Add a QObject class (defined in source) to the project and build
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set(additional_project_sources myobject.cpp anotherobject.cpp)
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configure_file("${testProjectTemplateDir}/CMakeLists.txt.in" "${testProjectSrc}/CMakeLists.txt"
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@ONLY)
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configure_file("${testProjectTemplateDir}/anotherobject.cpp" "${testProjectSrc}/anotherobject.cpp"
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COPYONLY)
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rebuild(3)
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