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cmake_minimum_required(VERSION 2.8)
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project(Qt4Targets)
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cmake_policy(SET CMP0020 NEW)
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find_package(Qt4 REQUIRED)
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set(CMAKE_AUTOMOC ON)
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set(CMAKE_INCLUDE_CURRENT_DIR ON)
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add_executable(Qt4Targets WIN32 main.cpp)
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target_link_libraries(Qt4Targets Qt4::QtGui)
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if (WIN32)
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if (TARGET Qt4::QAxServer)
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add_executable(activeqtexe WIN32 activeqtexe.cpp)
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set_property(TARGET activeqtexe PROPERTY QT4_NO_LINK_QTMAIN ON)
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target_link_libraries(activeqtexe Qt4::QAxServer Qt4::QtGui)
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endif()
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endif()
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# Qt4 moc does not support utf8 paths in _parameter files generated by
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# qt4_wrap_cpp and qt4_generate_moc
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# https://bugreports.qt.io/browse/QTBUG-35480
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# Do a simple check if there is are non ASCII character in the build path
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string(REGEX MATCH "[^ -~]+" NON_ASCII_BDIR ${CMAKE_CURRENT_BINARY_DIR})
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if(NON_ASCII_BDIR)
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message(WARNING "Build path contains non ASCII characters. Skipping Qt4 test.")
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return()
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endif()
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qt4_generate_moc(main_gen_test.cpp
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"${CMAKE_CURRENT_BINARY_DIR}/main_gen_test.moc"
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TARGET Qt4GenerateMacroTest
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)
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add_executable(Qt4GenerateMacroTest WIN32 main_gen_test.cpp "${CMAKE_CURRENT_BINARY_DIR}/main_gen_test.moc")
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set_property(TARGET Qt4GenerateMacroTest PROPERTY AUTOMOC OFF)
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target_include_directories(Qt4GenerateMacroTest PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/interface")
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target_link_libraries(Qt4GenerateMacroTest Qt4::QtGui)
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qt4_wrap_cpp(moc_file mywrapobject.h
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TARGET Qt4WrapMacroTest
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)
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add_executable(Qt4WrapMacroTest WIN32 main_wrap_test.cpp ${moc_file})
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set_property(TARGET Qt4WrapMacroTest PROPERTY AUTOMOC OFF)
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target_include_directories(Qt4WrapMacroTest PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/interface")
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target_link_libraries(Qt4WrapMacroTest Qt4::QtGui)
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macro(test_incremental def)
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set(timeformat "%Y%j%H%M%S")
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try_compile(RESULT
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"${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}"
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"${CMAKE_CURRENT_SOURCE_DIR}/IncrementalMoc"
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IncrementalMoc
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CMAKE_FLAGS -D${def}=0 "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
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OUTPUT_VARIABLE output
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)
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file(TIMESTAMP "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}/moc_foo.cpp" tsvar_before "${timeformat}")
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if (NOT tsvar_before)
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message(SEND_ERROR
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"Unable to read timestamp from moc file from first build with -D${def}!\n"
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"try_compile output:\n${output}"
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)
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endif()
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 2) # Ensure that the timestamp will change.
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try_compile(RESULT
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"${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}"
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"${CMAKE_CURRENT_SOURCE_DIR}/IncrementalMoc"
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IncrementalMoc
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CMAKE_FLAGS -D${def}=1 "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
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OUTPUT_VARIABLE output
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)
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file(TIMESTAMP "${CMAKE_CURRENT_BINARY_DIR}/IncrementalMocBuild_${def}/moc_foo.cpp" tsvar_after "${timeformat}")
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if (NOT tsvar_after)
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message(SEND_ERROR
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"Unable to read timestamp from moc file from second build!\n"
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"try_compile output:\n${output}"
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)
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endif()
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if (NOT tsvar_after GREATER tsvar_before)
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message(SEND_ERROR "Rebuild did not re-create moc file with -D${def}. Before: ${tsvar_before}. After: ${tsvar_after}")
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endif()
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endmacro()
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test_incremental(ADD_TARGET_DEF)
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test_incremental(ADD_DIR_DEF)
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