Hi, I'm porting my application from qt4 to qt5. I filled my CMakeLists.txt of if/else conditions to handle qt5 (default) and qt4 (minimum) requirements. During compilation I fixed all error messages and seems all ok. But when I try to launch it, seg-fault occurs and the debugger opens disassembler on a line of /usr/lib/libQtGui.so.4, and this is strange since the application should build against qt5. I used ldd on the executable and I found a mixture of qt4/qt5 libraries:
Unfortunately I can't remove qt4 since required by KDE. This is an excerpt of CMakeLists.txt I'm using:$ ldd ./myapp
linux-vdso.so.1 (0x00007f21147ae000)
libQt5Core.so.5 => /usr/lib/libQt5Core.so.5 (0x00007f2113f2c000)
libQt5Widgets.so.5 => /usr/lib/libQt5Widgets.so.5 (0x00007f2113749000)
libQt5Network.so.5 => /usr/lib/libQt5Network.so.5 (0x00007f2113411000)
libQt5Xml.so.5 => /usr/lib/libQt5Xml.so.5 (0x00007f21131d7000)
libQt5Svg.so.5 => /usr/lib/libQt5Svg.so.5 (0x00007f2112f8b000)
libphonon.so.4 => /usr/lib/libphonon.so.4 (0x00007f2112d1b000)
libQtSvg.so.4 => /usr/lib/libQtSvg.so.4 (0x00007f2112ac5000)
libqjson.so.0 => /usr/lib/libqjson.so.0 (0x00007f211289e000)
libQtXml.so.4 => /usr/lib/libQtXml.so.4 (0x00007f211265c000)
libQt5Gui.so.5 => /usr/lib/libQt5Gui.so.5 (0x00007f211203d000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f2111d39000)
libm.so.6 => /lib/libm.so.6 (0x00007f2111a36000)
libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007f2111820000)
libc.so.6 => /lib/libc.so.6 (0x00007f2111475000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00007f2111257000)
libz.so.1 => /usr/lib/libz.so.1 (0x00007f2111042000)
libicui18n.so.51 => /usr/lib/libicui18n.so.51 (0x00007f2110c3f000)
libicuuc.so.51 => /usr/lib/libicuuc.so.51 (0x00007f21108c8000)
libdl.so.2 => /lib/libdl.so.2 (0x00007f21106c4000)
librt.so.1 => /lib/librt.so.1 (0x00007f21104bc000)
libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x00007f21101c7000)
/lib64/ld-linux-x86-64.so.2 (0x00007f2114591000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x00007f210fe90000)
libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x00007f210fc26000)
libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0 (0x00007f210f81e000)
libQtCore.so.4 => /usr/lib/libQtCore.so.4 (0x00007f210f33e000)
libQtGui.so.4 => /usr/lib/libQtGui.so.4 (0x00007f210e6bd000)
libQtDBus.so.4 => /usr/lib/libQtDBus.so.4 (0x00007f210e442000)
libpulse.so.0 => /usr/lib/libpulse.so.0 (0x00007f210e1f8000)
libpulse-mainloop-glib.so.0 => /usr/lib/libpulse-mainloop-glib.so.0 (0x00007f210dff4000)
libqzeitgeist.so.1 => /usr/lib/libqzeitgeist.so.1 (0x00007f210ddd0000)
libpng16.so.16 => /usr/lib/libpng16.so.16 (0x00007f210db9c000)
libGL.so.1 => /usr/lib/libGL.so.1 (0x00007f210d86e000)
libicudata.so.51 => /usr/lib/libicudata.so.51 (0x00007f210c124000)
libpcre.so.0 => /usr/lib/libpcre.so.0 (0x00007f210becb000)
libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007f210bcae000)
libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x00007f210ba0f000)
libSM.so.6 => /usr/lib/libSM.so.6 (0x00007f210b808000)
libICE.so.6 => /usr/lib/libICE.so.6 (0x00007f210b5ed000)
libXrender.so.1 => /usr/lib/libXrender.so.1 (0x00007f210b3e3000)
libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0x00007f210b1d9000)
libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x00007f210af9f000)
libXext.so.6 => /usr/lib/libXext.so.6 (0x00007f210ad8e000)
libdbus-1.so.3 => /usr/lib/libdbus-1.so.3 (0x00007f210ab48000)
libjson-c.so.2 => /usr/lib/libjson-c.so.2 (0x00007f210a93e000)
libpulsecommon-4.0.so => /usr/lib/pulseaudio/libpulsecommon-4.0.so (0x00007f210a6d2000)
libnvidia-tls.so.319.49 => /usr/lib/libnvidia-tls.so.319.49 (0x00007f210a4cf000)
libnvidia-glcore.so.319.49 => /usr/lib/libnvidia-glcore.so.319.49 (0x00007f2107f77000)
libXau.so.6 => /usr/lib/libXau.so.6 (0x00007f2107d74000)
libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007f2107b6f000)
libbz2.so.1.0 => /usr/lib/libbz2.so.1.0 (0x00007f210795f000)
libuuid.so.1 => /usr/lib/libuuid.so.1 (0x00007f210775b000)
libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x00007f2107555000)
libexpat.so.1 => /usr/lib/libexpat.so.1 (0x00007f210732d000)
libsndfile.so.1 => /usr/lib/libsndfile.so.1 (0x00007f21070c6000)
libasyncns.so.0 => /usr/lib/libasyncns.so.0 (0x00007f2106ec1000)
libFLAC.so.8 => /usr/lib/libFLAC.so.8 (0x00007f2106c90000)
libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 (0x00007f21067c2000)
libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0x00007f2106596000)
libogg.so.0 => /usr/lib/libogg.so.0 (0x00007f2106390000)
libnsl.so.1 => /lib/libnsl.so.1 (0x00007f2106178000)
libresolv.so.2 => /lib/libresolv.so.2 (0x00007f2105f61000)
Qt Code:
... cmake_minimum_required(VERSION 2.6) set( CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules ) find_package(Qt5Core) if( Qt5Core_DIR ) message(STATUS "Found Qt5! Be aware that Qt5-support is still experimental and not officially supported!") ADD_DEFINITIONS(-fPIC) find_package(Qt5Widgets REQUIRED) find_package(Qt5Gui REQUIRED) find_package(Qt5Network REQUIRED) find_package(Qt5Xml REQUIRED) find_package(Qt5Svg REQUIRED) find_package(Qt5LinguistTools REQUIRED) set(CMAKE_AUTOMOC ON) endif() if( NOT Qt5Core_DIR ) find_package(Qt4 COMPONENTS QTCORE QTGUI QTNETWORK QTSVG QTXML) endif() find_package(Phonon REQUIRED) find_package(QJson REQUIRED) # Handle Translations file( GLOB TRANS_FILES ${CMAKE_SOURCE_DIR}/translations/myapp_*.ts) set(TRANSLATIONS ${TRANS_FILES}) ... if( Qt5Core_DIR ) include_directories(${Qt5Core_INCLUDE_DIRS} ${Qt5Widgets_INCLUDE_DIRS} ${Qt5Network_INCLUDE_DIRS} ${Qt5Xml_INCLUDE_DIRS} ${Qt5Svg_INCLUDE_DIRS} ${PHONON_INCLUDES} ${QJSON_INCLUDE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) qt5_add_resources(myapp_RC_SRCS ${myapp_RCS} ) qt5_wrap_ui(myapp_UI_HEADERS ${myapp_UI}) qt5_add_translation(myapp_I18N ${TRANSLATIONS}) endif() if( NOT Qt5Core_DIR ) include_directories(${QT_INCLUDES} ${PHONON_INCLUDES} ${QJSON_INCLUDE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) qt4_add_resources(myapp_RC_SRCS ${myapp_RCS} ) qt4_wrap_ui(myapp_UI_HEADERS ${myapp_UI}) qt4_automoc(${myapp_SRCS}) qt4_add_translation(myapp_I18N ${TRANSLATIONS}) endif() add_executable(myapp main.cpp ${myapp_SRCS} ${myapp_RC_SRCS} ${myapp_UI_HEADERS} ${myapp_I18N}) if( Qt5Core_DIR ) target_link_libraries(myapp ${Qt5Core_LIBRARIES} ${Qt5Widgets_LIBRARIES} ${Qt5Network_LIBRARIES} ${Qt5Xml_LIBRARIES} ${Qt5Svg_LIBRARIES} ${PHONON_LIBRARY} ${QT_QTSVG_LIBRARY} ${QJSON_LIBRARY} ${QT_QTXML_LIBRARY}) endif() if( NOT Qt5Core_DIR ) target_link_libraries(myapp ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTNETWORK_LIBRARY} ${PHONON_LIBRARY} ${QT_QTSVG_LIBRARY} ${QJSON_LIBRARY} ${QT_QTXML_LIBRARY}) endif()To copy to clipboard, switch view to plain text mode
Any idea about the problem?
Very thanks.
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