ldd



LDD(1)                                                                  LDD(1)




NAME

       ldd - print shared library dependencies


SYNOPSIS

       ldd [OPTION]...  FILE...


DESCRIPTION

       ldd  prints  the  shared  libraries  required by each program or shared
       library specified on the command line.


OPTIONS

       -V --version
              Print the version number of ldd.

       -v --verbose
              Print all information, including e.g. symbol versioning informa-
              tion.

       -d --data-relocs
              Perform relocations and report any missing objects (ELF only).

       -r --function-relocs
              Perform  relocations  for  both  data objects and functions, and
              report any missing objects or functions (ELF only).

       --help Usage information.


NOTES

       The standard version of ldd comes with glibc2. Libc5 came with an older
       version,  still  present on some systems. The long options are not sup-
       ported by the libc5 version.  On the other  hand,  the  glibc2  version
       does not support -V and only has the equivalent --version.

       The  libc5 version of this program will use the name of a library given
       on the command line as-is when it contains a ’/’; otherwise it searches
       for  the  library  in  the  standard  locations.  To run it on a shared
       library in the current directory, prefix the name with "./".


BUGS

       ldd does not work on a.out shared libraries.

       ldd does not work with some extremely old  a.out  programs  which  were
       built  before  ldd  support was added to the compiler releases.  If you
       use ldd on one of these programs, the program will attempt to run  with
       argc = 0 and the results will be unpredictable.


SEE ALSO

       ldconfig(8), ld.so(8)



Linux Programmer’s Manual       30 October 2000                         LDD(1)

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