libQt5Core.so: undefined reference to `dlclose@GLIBC_2.4'

/********************************************************************************
 *       libQt5Core.so: undefined reference to `dlclose@GLIBC_2.4'
 * 说明：
 *     在编译QT 5.8的程序的时遇到找不到库的问题。
 *
 *                                                2017-6-8 深圳 龙华樟坑村 曾剑锋
 *******************************************************************************/

一、参考文档：
    1. 树莓派交叉编译qt5.5的问题
        http://tieba.baidu.com/p/4327053176

二、编译报错：
    18:49:35: Running steps for project zengjfTest...
    18:49:35: Starting: "/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/bin/qmake" /home/zengjf/zengjf/zengjfos/Qt5.8Demo/zengjfTest/zengjfTest.pro -r -spec linux-arm-gnueabihf-g++
    18:49:35: The process "/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/bin/qmake" exited normally.
    18:49:35: Starting: "/usr/bin/make"
    arm-linux-gnueabihf-g++ --sysroot=/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs -Wl,-O1 -Wl,-rpath,/usr/local/qt5.8/lib -o zengjfTest main.o mainwindow.o moc_mainwindow.o   -L/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib -lQt5Widgets -L/home/zengjf/zengjf/zengjfos/Qt5.8/tslib-1.4/__install/lib -lQt5Gui -lQt5Core -lpthread
    /usr/lib/gcc-cross/arm-linux-gnueabihf/6/../../../../arm-linux-gnueabihf/bin/ld: warning: libdl.so.2, needed by /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so, not found (try using -rpath or -rpath-link)
    Makefile:190: recipe for target 'zengjfTest' failed
    /usr/lib/gcc-cross/arm-linux-gnueabihf/6/../../../../arm-linux-gnueabihf/bin/ld: warning: librt.so.1, needed by /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so, not found (try using -rpath or -rpath-link)
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `clock_gettime@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlopen@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlsym@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlerror@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlclose@GLIBC_2.4'
    collect2: error: ld returned 1 exit status
    make: *** [zengjfTest] Error 1
    18:49:35: The process "/usr/bin/make" exited with code 2.
    Error while building/deploying project zengjfTest (kit: 5.8-ARM)
        When executing step "Make"
        18:49:35: Elapsed time: 00:00.

    18:59:40: Running steps for project zengjfTest...
    18:59:40: Starting: "/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/bin/qmake" /home/zengjf/zengjf/zengjfos/Qt5.8Demo/zengjfTest/zengjfTest.pro -r -spec linux-arm-gnueabihf-g++
    18:59:40: The process "/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/bin/qmake" exited normally.
    18:59:40: Starting: "/usr/bin/make"
    arm-linux-gnueabihf-g++ --sysroot=/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs -Wl,-O1 -Wl,-rpath,/usr/local/qt5.8/lib -o zengjfTest main.o mainwindow.o moc_mainwindow.o   -L/home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib -lQt5Widgets -L/home/zengjf/zengjf/zengjfos/Qt5.8/tslib-1.4/__install/lib -lQt5Gui -lQt5Core -lpthread
    /usr/lib/gcc-cross/arm-linux-gnueabihf/6/../../../../arm-linux-gnueabihf/bin/ld: warning: libdl.so.2, needed by /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so, not found (try using -rpath or -rpath-link)
    Makefile:190: recipe for target 'zengjfTest' failed
    /usr/lib/gcc-cross/arm-linux-gnueabihf/6/../../../../arm-linux-gnueabihf/bin/ld: warning: librt.so.1, needed by /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so, not found (try using -rpath or -rpath-link)
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `clock_gettime@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlopen@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlsym@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlerror@GLIBC_2.4'
    /home/zengjf/zengjf/zengjfos/Qt5.8/rootfs/usr/local/qt5.8/lib/libQt5Core.so: undefined reference to `dlclose@GLIBC_2.4'
    collect2: error: ld returned 1 exit status
    make: *** [zengjfTest] Error 1
    18:59:40: The process "/usr/bin/make" exited with code 2.
    Error while building/deploying project zengjfTest (kit: 5.8-ARM)
        When executing step "Make"
        18:59:41: Elapsed time: 00:00.

三、解决办法：
    将相关的warning找不到的lib，放到对应的lib下去就可以了。

 

时间： 2024-09-04 11:10:10

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