Questions tagged [libraries]

A library is a collection of functionality that programs can use. They can be dynamically loaded by a program, or they may be compiled into the program.

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Why do I need to run ldconfig everytime I put .so library into directories like /usr/local/lib if set by config files in /etc/ld.so.conf.d/?

I am running centos 6.10 in docker. As is described in the title, I set /usr/local/lib and /usr/local/lib64 in a conf file in /etc/ld.so.conf.d/. I need to run ldconfig everytime when I put .so ...
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Java NativeLibrary: Interface of library does not extend Library

What I'm trying: To load libvlc to interact with it via the vlcj bindings and I'm on Debian and using Intellij. I installed VLCJ via the 'install from Maven' feature of Intellij but I am not using ...
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Wine: Installing Libraries, Error Message Mismatch / missing library

my wish is to install a Windows-only software using wine. Have only tried installing a PDF-reader before. That one was easy and pre-configured though :) A little background re. my failed "I can ...
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IDL libGL error: No matching fbConfigs or visuals found

I am trying to run IDL from remote in terminal window. I would like to produce an image in a png file from remote without the pop-up window in my terminal. I have been using both ssh -X and ssh -Y and ...
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1answer
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libpng12-0 not installing

TL;DR - my system doesn't want to install libpng12, but many applications depend on that lib. OS - Kali rolling Hey guys. For the last few days I was trying to troubleshoot this problem I got, when ...
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1answer
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How to install libtcod on Arch Linux distro?

I can't find any documentation on this, other than using apk-get. Is there any way to download this library through pacman? I've only been using the linux terminal for maybe a month, so there might be ...
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Rhythmbox multiple libraries

Rhythmbox has a command line parameter (−−rhythmdb-file=file) which should allow to handle many libraries. Unfortunately, I can't get it to work, it seems to be doing nothing at all, no matter which ...
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Which library is producing this error: undefined reference to `TIFFTileRowSize@LIBTIFF_4.0'?

I'm building Ignition (https://ignitionrobotics.org/home) from source on Ubuntu 18.04.5 with gcc-10.1.0, and it seems that some dependencies are missing or have wrong versions. Here are linker errors ...
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What libs does gThumb need to play audio and video files?

I've installed APT version of gThumb and have found out that it fails to play audio and video files (with the Audio/Video support extension enabled). Several days ago, when I had a lot of apps ...
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1answer
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CentOS 8 - /usr/bin/ld: cannot find -lnsl

I am working on a new CentOS 8 server to replace an aging CentOS 6 server. Most everything is working and I am having the primary users test out everything they use the server for. Many errors have ...
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2answers
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Static Libraries: Recompilation and sharing of the source code

I am trying to understand creation and use of static libraries and shared libraries in Linux using Program Library HOWTO. There are two statements in the link that I am confused about: Static ...
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What is convention on where to install cross-platform libraries?

What is the prevailing (or correct) convention on where to install cross-platform libraries? E.g. libfoo.so.1.0.0 compiled for the host might typically be located at /usr/local/lib/. If I also had to ...
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1answer
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Can't install deluge on Debian sid

Everytime I try to install Deluge on my system it throws this error Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed....
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how to install cs50 library on linux-mint

I'm trying to setup my own linux environment and would like to install the cs50 library. When I run: curl -s https://packagecloud.io/install/repositories/cs50/repo/script.deb.sh | sudo bash I get the ...
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Error while loading shared libraries: libreadline.so.7

I am trying to install the Agena programming language for a school project on Arch Linux. There is no package in the AUR, so I am trying to make my own PKGBUILD file. I think I have managed to install ...
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unable to run clownfish for skype

i installed clownfish from https://clownfish-translator.com/linux.html and i tried to install all libraries and after installation the application shows in menu but it's not working and after that i ...
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1answer
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Mac OS 10.12 - Accidentally Unlinked libz.1.dylib

Ran: unlink /usr/lib/libz.1.dylib Now I can't launch from my user profile. I have been able to run in recovery mode, where I can see the .dylib in question is there, but running in single-user mode I ...
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1answer
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Does the ABI of a compiled library depend on the operating system?

I just read an example of ABI. Is it correct that an ABI is similar to API, except that ABI is in machine language and API is in a high level programming language an ABI is the interface provided by ...
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How can I know which of my compilers calls which version of a specific library?

I have a library abc installed in various places of my computer which versions may differ. I also have different compilers comp1 and comp2. By executing the two following commands, I end up with two ...
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Executable does not work if run outside its folder

I have an already structured SDK folder where I have my project. Program works as expected if I do: cd /home/user/Documents/Camera/ProjectCamera/linux64/proj make cd /home/user/Documents/Camera/...
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Errors were encountered while processing libc6:amd64

I installed WSL Kali Linux, then I typed apt-get update so when I type apt-get dist-upgrade for upgrade then I saw this $ sudo apt-get dist-upgrade Reading package lists... Done Building dependency ...
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heif-convert: symbol lookup error: undefined symbol: jpeg_write_icc_profile, version LIBJPEG_6.2

I have run heif-convert successfully not long ago but now I get this error: >heif-convert bob.heic bob.jpeg heif-convert: symbol lookup error: heif-convert: undefined symbol: jpeg_write_icc_profile,...
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1answer
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Meaning of the extension .ucode of files in /lib/firmware

I was examining my firmwares and I found files of various extensions: .ucode .bin .fw .brd .sbcf etc. I searched for .ucode bit got few results whcih talked about missing drivers etc, but did not tell ...
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Opening .dmp (Mini DuMP crash report) file

I downloaded a game. It has a issue of just not working every time I launch it I'm welcomed by a white screen. Did some cli magic, found out that the game is missing few libraries, installed them. The ...
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got “E: The repository 'http://deb.debian.org/debian bionic Release' does not have a Release file.” while installing nodejs on new kde neon

I run this commands sudo apt-get install curl software-properties-common curl -sL https://deb.nodesource.com/setup_14.x | sudo bash - on kde neon, and errors ## Installing the NodeSource Node.js 14.x ...
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1answer
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pyspotify compilation ld error

I'm trying to install mopidy-spotify on my freebox delta that allow me to install vm and is arm64 based After many problems, i've manage to get most of the dependencies working and to get rid of most ...
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Program can't find lib declared on ld.so.conf.d

I'm migrating a company-made program, who depends on a couple of also company-made libs (among other libs, of course) to a new server. In the current (old) server (RHEL 5), the lib is in /usr/lib64, ...
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libKF5Parts SO Undefined Symbol Arch

When starting programs such as Okulus and Dolphin I get the following error: symbol lookup error: /usr/lib/libKF5Parts.so.5: undefined symbol: ...
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Is it safe to delete these snaps? What are snaps? [closed]

UPDATE: No, it is not safe to delete these snaps. I deleted them and can no longer open three of my applications. Attempt at opening Visual Studio Code: ~$ code internal error, please report: running ...
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1answer
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rhel + /usr/lib64 + how to restore the folder

we move the folder by mistake as mv /usr/lib64 /usr/lib64_bck now we try to move back as mv /usr/lib64_bck /usr/lib64 but we get -bash: /usr/bin/mv: /lib64/ld-linux-x86-64.so.2: bad ELF ...
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895 views

32-bit libraries GCC for RHEL/CentOS 7

yum groupinstall "Compatibility Libraries" Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager There is no installed groups file. Maybe run: yum groups mark convert (...
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How to edit default binaries executed by which

Our server is running on an old version of Debian 7.10 (Wheezy) and we need to renew SSL certificates for a specific domain. Our version of OpenSSL is super old, but it's the last one for our version ...
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Install Qt WebEngine Widgets

I am running a Qt cmake project which gives me an error that: Could not find a package configuration file provided by "Qt5WebEngineWidgets" with any of the following names: ...
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1answer
134 views

How to set compiler specific standard headers #include paths?

What is a smart way to tell two compilers to look for their #include headers? Running on a standard Linux 86x64 system, my standard compiler is gcc (currently v9.3). Now I'd like to compile some ...
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1answer
53 views

env variable in /etc/ld.so.conf

I've created a test.conf file in /etc/ld.so.conf.d/ folder with written: TEST_PATH=/path/To/My/Parent/Folder In my /etc/ld.so.conf I've added instead: $TEST_PATH/mylib1 $TEST_PATH/mylib2 $...
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1answer
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How to prefer software installed in /usr/local

I have installed mesa using apt in my system. This mesa is installed in /usr/lib/arm-linux-gnueabihf directory. Now I compiled and installed the newest version of mesa manually from source, and it's ...
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Accidentally deleted openssl lib packages and can't get yum or wget to work again in redhat 6.10

I have accidentally deleted the openssl lib packages and can't get yum or wget to work again in RHEL 6.10. I am missing: libssl.so.10 libcrypto.so.10
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CentOS 8 cannot locate libnss3.so (64bit)

I cant find the libnss3.so file (64bit version) in CentOS 8 even after installing the associated package nss-3.44.0-4.el7.x86_64.rpm. I can only find the 32 bit version in /usr/lib/ but no 64bit ...
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1answer
445 views

jitsi-videobridge.service: daemons using outdated libraries

Ever since the installation of the Jitsi video conference software, when executing needrestart, a utility that checks which daemons need to be restarted after library upgrades (or each time new ...
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Error in installation of mendeleev python library

While installing mendeleev python library with the command "pip install mendeleev" I am getting this error. Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-YVHGQs/...
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Is the purpose of symbolic links to shared libraries in /usr/lib64 to satisfy -l linker filename requirements?

My /usr/lib64 directory contains the following files (among others): $ ll /usr/lib64/libboost_file* /usr/lib64/libboost_filesystem.so.1.69.0 /usr/lib64/libboost_filesystem.so -> ...
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Is there an rpath for dynamic linked libraries?

So, the project I am working on uses a non-system directory to keep some DLLs that the code uses. I don't want to put them in system directories, so the executables have an rpath set to find the DLLs....
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In the LD flags of a makefile, is it better to give the dir with platform-specific libs priority over /usr/lib?

The makefile of my solution (for Raspbian Buster) contains an LDFLAGS definition like this: LDFLAGS=-L/usr/lib -L/usr/lib/arm-linux-gnueabihf …so that the standard libdir is given priority over the ...
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1answer
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ld cannot find library right in front of it

I'm trying to build a rust program that involves diesel with postgresql on Fedora 31 and the build fails because the linker can't find libpq. As it's reproducible with gcc, I'm using gcc to keep the ...
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Why doesn't the Linux kernel have optimized functions like glibc does (e.g., memchr, strchr)?

When I try to implement the C string library myself, I found that glibc and the Linux kernel have a different way to implement some functions. For instance, glibc memchr and glibc strchr use some ...
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2answers
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Compiling GCC against a custom built GLIBC

I was trying to compile GCC 9.2 against a custom built GLIBC 2.30. I have installed GLIBC in a non-standard location. Then I have followed these steps to compile GCC: sfinix@multivac:~$ GLIBCDIR=/...
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1answer
441 views

32-bit version of udev and usb library in ubuntu

I had a project which uses libudev and libusb libraries. Operating System: Ubuntu 18.04 64-bit Initially the application was 64-bit, so there was no issue. Now, there is a new requirement of ...
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Are dependencies suffixed with -dev on linux only required during compilation, or are they required to run the program too?

One of the libraries that I am using to build a program on Linux (Ubuntu) says it requires the following dependencies to be installed: libgl1-mesa-dev libxi-dev libxcursor-dev libxrandr-dev ...
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1answer
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What is libstdc++.so.6 and GLIBCXX_3.4.20?

I am looking for some simple answers in order to understand some of these concepts. I am trying to install a R library which is failing with the error: /lib64/libstdc++.so.6: version ``GLIBCXX_3.4.20'...
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What does the error “undefined reference to 'dlopen'” mean?

When I want to compile my c-file I get these messages: undefined reference to 'dlopen' undefined reference to 'dlsym' In some other posts about this topic the solution was to add -ldl to the linker ...

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