In computing, a dynamic linking is the process of an operating system (OS) that loads (copies from persistent storage to RAM) and links (fills jump tables and relocates pointers) the shared libraries needed by an executable at run time, that is, when it is executed.

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How to make my ELF run with both new and old version of glibc?

When I'm compiling my elf, it is "best practice" to make it link against the oldest version of glibc I can, so it will work both on new and old versions of glibc. i.e. if I use realpath, which in ...
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How can I check whether my cross-compilation of a dynamic library has been done correctly?

I used my arm toolchain to compile the glibc library, I have already deployed this on the target device (linux) with no issues. How can I be sure that my compilation and deployment is done correctly ...
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Shared libraries for GCC installed via yum on Fedora 20

Unintentionally I erased my system gcc with a manually built one. To get things back, I did yum reinstall gcc and gcc --version attested that the initial version was back: $ which gcc /usr/bin/gcc $ ...
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Symbol lookup errors in (Qt?) dynamically linked libraries

I'm using Ubuntu 15.10 Problem: For some days now I have been getting Errors like this when opening some applications: /usr/lib/x86_64-linux-gnu/libpoppler-qt5.so.1: undefined symbol: ...
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Debian: How to resolve relocation error?

I am running Debian 7.1. I tried to apt-get install -f, and messed up. All command line returns ln: relocation error: /lib/arm-linux-gnueabihf/libc.so.6: symbol _dl_find_dso_for_object, version ...
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finding undefined symbol

I am trying to run a program whose source I downloaded and compiled. When I try to run the program I keep getting the message: unable to load undefined symbol _z15InvalidateImageSs I am trying to ...
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linking problems when installing python module and dependencies as non-root

I want to install a certain (non-public, numerical) python module on a remote (Debian squeeze) system on which I do not have root (or sudo) privileges. As the python-dev package was not installed, I ...
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What are dyld_shared_cache_xxx files and how do I extract object files from them?

I have a dyld_shared_cache_armv7 file and I'm assuming that they hold various object files for a specific architecture. How do I extract the object files from it?
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Dependencies between shared libraries in the same Debian packages

Suppose I want to create a package with multiple shared libraries - call it libfoo, which contains liba.so.1 and libb.so.1. Now, say liba.so.1 uses a symbol from libb.so.1. If I compile like this, ...
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custom runtime environment - libpthread segmentation fault

I have built a project using gcc 4.9.2 (libstdc++.so.6.0.20). When I want to run that program on the virtual machine which is equipped with gcc 4.6.3 (libstdc++.so.6.0.16) I have to deliver ...
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Can I have two different files with the same file path (that is, two versions of a file) dlopen'd at the same time?

I'm making a program that uses a .so library (also being developed by me). I want to be able to update and re-deploy the .so as I develop it, without restarting the program that uses it. I've ...
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libssl undefined reference to symbol 'SSL_load_error_strings@@OPENSSL_1.0.0'

With the following CMakeLists.txt (I tried to snip it AMAP) https://gist.github.com/pbertoni/29200833dc562ab6ee2c I got this error from make at linking time: /usr/bin/ld: ...
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Accessing xfig from x11 fails

I am trying to get access to xfig from x11 on my mac to draw some diagrams and including them in latex, but it shows the following error bash-3.2$ xfig dyld: Library not loaded: ...