undefined reference to dlopen, dlclose, dlsym and

本文介绍在嵌入式系统中集成SQLite3数据库的方法,包括必要的头文件和库文件的导入步骤,以及解决编译过程中遇到的与动态链接库相关的问题。

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http://blog.tianya.cn/blogger/post_read.asp?BlogID=78856&PostID=13635493

  


  ../src/.libs/libglpk.so: undefined reference to `dlsym'
  ../src/.libs/libglpk.so: undefined reference to `dlerror'
  ../src/.libs/libglpk.so: undefined reference to `dlopen'
  ../src/.libs/libglpk.so: undefined reference to `dlclose'
  collect2: ld returned 1 exit status
  
  solution:
  
  You are supposed to either run
  
  LDFLAGS=-ldl make
  - that means run command make with LDFLAGS environment variable set to '-ldl' or run 
  make LDFLAGS+=-ldl
  - that passes command to make to add to LDFLAGS -ldl. Both say to make it should tell linker to use libdl.so (to find dlopen and dlsym)
  
  My solution: edit Makefile
  
  find LDFLAGS
  add LDFLAGS = -ldl
/usr/bin/ld: warning: libopencv_core.so.410, needed by /home/ZHL/test/libs/libizkDevDriver.so, not found (try using -rpath or -rpath-link) /usr/bin/ld: warning: libopencv_videoio.so.410, needed by /home/ZHL/test/libs/libizkDevDriver.so, not found (try using -rpath or -rpath-link) /usr/bin/ld: warning: liblscdriver.so, needed by /home/ZHL/test/libs/libsane-lscsane.so, not found (try using -rpath or -rpath-link) /usr/bin/ld: warning: liblang.so, needed by /home/ZHL/test/libs/libsane-lscsane.so, not found (try using -rpath or -rpath-link) /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_err_description' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_initialize' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_err_name' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_set_sane_info' /usr/bin/ld: /home/ZHL/test/libs/libizkDevDriver.so: undefined reference to `cv::Mat::Mat()' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_open' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `from_default_language' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_uninitialize' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_close' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_read_img_data' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `lang_refresh_language' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_get_parameter' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_log_is_enable' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `lang_initialize' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_stop' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `get_file_path' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_set_parameter' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `lang_load_string' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_log' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_get_current_time' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `register_language_changed_notify' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_enum' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_control' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_start' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `lang_get_cur_code_page' /usr/bin/ld: /home/ZHL/test/libs/libsane-lscsane.so: undefined reference to `hg_scanner_get_img_info' collect2: error: ld returned 1 exit status
最新发布
07-01
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