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.
466
questions
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41 views
Crash of a 32-bit program in Debian 10 64-bit
Introduction
I'm using Debian 10 - 64 bit and I'm trying to start a 32bit program but it keeps crashing due to incomprehensible reasons (for me).
I searched on internet for almost a week! But I ...
23
votes
2answers
4k views
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 ...
1
vote
2answers
56 views
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=/...
1
vote
1answer
34 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 ...
1
vote
0answers
23 views
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
...
1
vote
1answer
143 views
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'...
0
votes
0answers
85 views
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 ...
4
votes
1answer
412 views
Do all c programs need to load a library?
With a program like
int main()
{
return 0;
}
and you statically link, will some library on your system be linked into the final binary.
and you dynamically link, will a library be loaded when it'...
0
votes
0answers
13 views
Problem Finding CUDA Library in Make
I'm trying to use make to install a package in my LAMMPS build. When I run the command make -lib-gpu args="-b" I get the result:
/usr/bin/ld: cannot find -lcuda
And makefails. When I run ld -lcuda --...
0
votes
1answer
23 views
How to read library documentation downloaded as a package (package-doc)
I am coding Qt GUI application for cryptography and want to use OpenSSL library calls for my application logic. Thats why i downloaded libssl-dev and libssl-doc packages via Synaptic package manager (...
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0answers
20 views
How to link to a numbered shared library?
This is the command I am running
arm-linux-gnueabihf-gcc -Wall -Wl,--verbose -mthumb -mthumb-interwork -D_REENTRANT -oTestRun11 ./main.c -ldl -lpthread -lRTU_Module
Which gives in the printout
...
0
votes
1answer
148 views
libcrypto version not found, despite version being on my system
I'm trying to run some software, but I am getting this error message:
ImportError: /usr/lib/libcrypto.so.10: version `libcrypto.so.10' not found (required by /home/jessica/project/lib/libgdal.so.20)
...
0
votes
0answers
85 views
How many memory segments?
I'm having trouble interpreting the output of a pmap command. I want to see how many memory segments are added to the process when one of the libraries (libupper/librot13) implementing a transform is ...
2
votes
1answer
8 views
hide old libraries from linux system without root access
I have access to an old cluster for computations. The Operating system of the cluster is very old and outdated. Some of my codes need new libraries like glibc-2.14 or higher to run. I found junest ...
0
votes
0answers
13 views
Trace library on Fedora
I cannot get useful information from ltrace on Fedora 30, for example:
ltrace -f hostname
my.host.name
[pid 32164] +++ exited (status 0) +++
However it works on Debian 9:
# ltrace hostname ...
1
vote
1answer
51 views
How do library files (*.so) resolve shared dependencies?
If I invoke the following command:
ldd mylib.so
this then yields something along the lines of:
libopencv_features2d.so.4.1 => /usr/local/lib/libopencv_features2d.so.4.1 (0x00007f83dee6b000)
If ...
0
votes
0answers
47 views
SmartCard Driver problems for Mac OS Mojave 10.14.6
I have tried a few different devices to authenticate with a CompanyCard (id Bridge), last attempt I bought the ACR39U-N1 PocketMate II Smart Card Reader.
Information: Mac OS Mojave 10.14.6 Drivers ...
6
votes
1answer
190 views
Determining the regular expression library supplied by the system
I was attempting to use the following regexp in less yesterday:
^\+1[[:space:]]*$, which worked for me in grep. This didn't work in less, so I checked the manpage to see what it does support, and ...
0
votes
0answers
22 views
File extensions for intermediate files needed for static / shared libraries
I have a library which until now was just a static library.
The file naming scheme that I used was the following:
foo.c -> foo.s -> foo.o
bar.c -> bar.s -> bar.o }-> libfoobar.a
Now ...
1
vote
1answer
94 views
How I can get version from library for example libSDL2-image.so.0
I am trying to find a way to determine which version of SDL2-Image is installed on my system, but I have not found anything useful for a bash script. I tried with the following to find just the ...
1
vote
1answer
76 views
Where are static libraries used by gcc or g++ stored, and how are they identified?
I've been trying to determine if my Ubuntu (linux) system has -static libraries. When would they be located, and what suffix would identify them?
0
votes
0answers
45 views
CentOS 7: Why am I still getting this “built with.. but.. running with” error?
Presently I am getting the error:
Application built with libpng-1.6.16 but running with 1.5.13
Upon getting this error I tried reinstalling* libpng1.6.16 from source per this guide, which seems to ...
1
vote
0answers
55 views
Difficulty with configuring paths before compiling
I'm running MacOS Mojave 10.14.2 with Homebrew and MacPorts installed; I'm attempting to install the dsniff suite via the command line, and I installed Xcode's command line tools for this purpose--I ...
3
votes
1answer
262 views
Does the kernel itself depend on the standard C libraries
I'm looking deeper into how Linux actually works, especially on embedded devices, with all the different components required to make a fully functional system.
I understand that a standard C library ...
1
vote
0answers
141 views
Wireless Mouse doesn't work after upgrading packages - Debian
My wireless optical mouse has stopped working after upgrades performed with # apt-get upgrade.
This is the output of # tail -f /var/log/syslog
May 23 10:30:00 GaboPC /usr/lib/gdm3/gdm-x-session[596]...
0
votes
1answer
256 views
NixOS: Modifying config files on a buildFHSUserEnv environment
On NixOS, I'm using a FHS environment to supply libraries (unixODBC and sqlite-odbc) to libreoffice.
{ pkgs ? import <nixpkgs> {} }:
( pkgs.buildFHSUserEnv {
name = "odbc-sqlite-libreoffice";...
0
votes
1answer
63 views
Installing gtkmm from source
I know that gtkmm can be installed using package manager, but here I am keen to install it from source.
It requires me to install the Dependencies:
libsigc++ 2.0
GTK+ 3.0
glibmm
cairomm
pangomm
...
0
votes
0answers
27 views
zlib error when compiling
I am trying to install pythia package coming with POWHEG-BOX on Fedora 27.
When running make main-PYTHIA-lhef it writes:
pwhg_io_interface.f:214: undefined reference to `gzputc'
and so on. It ...
3
votes
1answer
344 views
Where is libsystemd.so located on ARM devices?
I have an ARM Tinkerboard running Debian 9.8 (Stretch). Systemd version is 232. I'm working on a program that can be run from userland or as a daemon. If it is run as a daemon, then dlopen and dlsym ...
17
votes
1answer
2k views
Why don't Unix/Linux systems traverse through directories until they find the required version of a linked library?
I have a binary executable named "alpha" that requires a linked library (libz.so.1.2.7) which is placed at /home/username/myproduct/lib/libz.so.1.2.7
I export the same to my terminal instance before ...
0
votes
1answer
98 views
Zypper completely not working
I've experienced a sudden error when trying to run zypper by any form:
zypper: symbol lookup error: /usr/lib64/libzypp.so.908: undefined symbol: gzdopen
Not very sure how to fix that, since the ...
0
votes
0answers
43 views
Qgis and qtdesigner4: /lib64/libQtWebKit.so.4: undefined symbol
I am trying to launch two programs but there is a problem with /lib64/libQtWebKit.so.4
qgis:
qgis: symbol lookup error: /lib64/libQtWebKit.so.4: undefined symbol: ...
1
vote
0answers
23 views
Managing libraries
After a new installation of Debian, I'm looking for a way to separate files created from new packages from my main system. I want to do this to avoid bloating the size of my drive with unnecessary ...
1
vote
0answers
152 views
Getting relocation error on Ubuntu 18.04 for wkhtmltopdf tool
My project need a tool called wkhtmltopdf on Ubuntu. I have installed it successfully. It's displaying proper version with command wkhtmltopdf --version.
When java code tries to access this tool, ...
0
votes
1answer
34 views
Libness3-dev what is this and the dev at the end
So I just installed Linux mint 18 yes 18 not 19 and ran sudo apt-get update also ran sudo apt-get update Firefox and I run these commands I got errwith the repository’s then running the second command ...
1
vote
1answer
40 views
Is it Conventional to put libraries and include into standard directories like /usr/lib/ after installing a package with Make
After installing mesa-12.0.0, I have the library and header files in
~/Downloads/mesa-12.0.0/lib
~/Downloads/mesa-12.0.0/include
Is it better to simply add the path to LD_LIBRARY_PATH or should ...
2
votes
0answers
104 views
cannot find libarary error
I am trying to install a software "W" which requires some non standard packages like "XYZ". I am installing XYZ as instructed in the related site using the following commands
./configure -C
make
...
2
votes
0answers
48 views
Upgrading Python3 Without Breaking Access to lib Folder
Upgrading Python3 package is always a big pain for me. Every time I upgrade from one version, e.g. 3.7.0, to another, e.g. 3.7.1, my python script loses access to my /usr/local/lib/python3.7/site-...
0
votes
1answer
64 views
Tricky issue with stata and libpng
I use stata 14 in Linux mint 19.3. For some reason stata has a problem with the libpng included in Linux mint 19. To fix that, I followed a fix that installs an older version of libpng (see here) to ...
3
votes
1answer
141 views
List all 32 Bit packages on a Gentoo System
How can I get a list of all installed 32 Bit packages on a Gentoo Linux system?
0
votes
1answer
195 views
Rebuild from src.rpm using new version
This is a follow up to my previous question regarding Building QuantLib on Amazon Linux.
I followed the instructions in the answer posted by MLu:
Download the source RPM (QuantLib-1.4-7.el7.src.rpm)
...
1
vote
1answer
127 views
Building QuantLib on Amazon Linux
I am trying to get QuantLib version 1.13 running on Amazon Linux.
I found some .rpm files at https://pkgs.org/download/QuantLib, although there is an up to date .rpm for Fedora, there isn't one for ...
0
votes
1answer
429 views
The same curl binary shows different version of openssl on 2 different servers
so I have built curl (possibly incorrectly) on debian 9 x64, and after curl -V command I can see that it uses the new version:
OpenSSL/1.1.0f
After that, I copied the very same library into ...
0
votes
1answer
83 views
Weird problem with CUDA installation
I am experiencing a rather unusual problem with my CUDA installation on Linux Mint 18.3. After a clean reboot, running deviceQuery as a standard user: optirun ./deviceQuery returns FAIL, but if I do:
...
0
votes
1answer
2k views
How to run programs with ld-linux.so?
The dynamic linker can be run either indirectly by running some dynamically linked program or shared object (in which case no command-line options to the dynamic linker can be passed and, in the ELF ...
5
votes
3answers
11k views
Set LD_LIBRARY_PATH correctly
I am using Docker with image of Ubuntu 16.04. I am using this docker to run:
Import C++ classes in python with the help of boost.python
Import matlab's python package in python with the help Matlab ...
1
vote
1answer
262 views
Undefined symbols : how do I figure dependency resolution?
I am trying to figure out how to handle the lack of dependency resolution in Slackware.
I installed Gnumeric from slackware.pkgs.org, but it won't run with a number of
** (gnumeric:10645): ...
4
votes
3answers
2k views
Centos 7, I thought “yum install ___” was supposed to get all the dependencies, too?
I want to install Trillian onto my CentOS 7 box. I went to www.trillian.im/get/linux/6.1/linux.html and downloaded the rpm package trillian-6.1.0.5-1.fc25.x86_64.rpm.
It was my understanding that ...
1
vote
0answers
970 views
Cannot install libgstreamer-0.10 [duplicate]
I' using Debian 9
Cannot install libgstreamer-0.10.so
I tried
sudo apt-get install libgstreamer0.10-0
Reading package lists... Done
Building dependency tree
Reading state information... Done
...
0
votes
0answers
253 views
install vips library in openbsd
On OpenBSD, I need to install sharp, which require the vips library.
When I use a prebaked vips tarball,
<stephane@bandersnatch.22decembre.eu:/usr/local/src/libvips/vips-8.7.0> ./configure ...
