glibc Questions

Debian – Yocto glibc error in do_fetch for glibc library in cross compilation for qt based yocto image

October 4, 2024
Nitish Sharma
2 Answers

While compiling Yocto for Renesas Board facing an issue in fetching the glibc library Please find the log: glibc-2.28-r0 do_fetch: Fetcher failure: Fetch command export PSEUDO_DISABLED=1; export DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/1000/bus"; export SSH_AGENT_PID="1321"; export SSH_AUTH_SOCK="/run/user/1000/keyring/ssh"; export PATH="/build/tmp/sysroots-uninative/x86_64-linux/usr/bin:/poky/scripts:build/tmp/work/aarch64-poky-linux/glibc/2.28-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux:build/tmp/work/aarch64-poky-linux/glibc/2.28-r0/recipe-sysroot/usr/bin/crossscripts:build/tmp/work/aarch64-poky-linux/glibc/2.28-r0/recipe-sysroot-native/usr/sbin:build/tmp/work/aarch64-poky-linux/glibc/2.28-r0/recipe-sysroot-native/usr/bin:build/tmp/work/aarch64-poky-linux/glibc/2.28-r0/recipe-sysroot-native/sbin:build/tmp/work/aarch64-poky-linux/glibc/2.28-r0/recipe-sysroot-native/bin:poky/bitbake/bin:/home/nitish/yocto/rzg_vlp_v3.0.5/build/tmp/hosttools"; export HOME="$DIR"; /usr/bin/env wget -t 2…

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Ubuntu – How do I include glibc versions needed by node in my buildroot config?

August 30, 2024
Daryl Spitzer
2 Answers

I'm building a root filesystem using buildroot (running on Ubuntu 22.04.4 LTS) for an ARM Cortex-A7 target. I'm including Node.js by selecting "[*] nodejs" in Target packages ---> Interpreter languages and scripting --->. After successfully flashing and booting the target,…

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C free() on Ubuntu VM, a question regarding heap memory

June 26, 2024
rdre8
2 Answers

A simple program to allocate and free heap memory: int main(int argc, char **argv) { char *b1, *b2, *b3, *b4, *b_large; b1 = malloc(8); memset(b1, 0xaa, 8); b2= malloc(16); memset(b2, 0xbb, 16); b3 = malloc(25); memset(b3, 0xcc, 25); b4= malloc(1000);…

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Ubuntu – error: FALLOC_FL_KEEP_SIZE undeclared (first use in this function)

June 24, 2024
harith
2 Answers

As per the man page, I have defined _GNU_SOURCE before the inclusion of <fcntl.h>: #include <stdio.h> #define _GNU_SOURCE /* For Linux's fallocate(). */ #define HAVE_FALLOCATE 1 #include <fcntl.h> int main(void) { printf("%dn", FALLOC_FL_KEEP_SIZE); } which I compiled with: gcc-13 -std=gnu2x…

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Ubuntu – Is there a way to get the complete function calls chain from a function in the C standard library all the way down to the system call?

February 11, 2024
Kode1000
2 Answers

I'm on an Ubuntu x86_64 system. I know we have the strace command to trace the system calls in our programs. However I'd like to know if there is a way ( other than inspecting the GNU C library source…

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Debian – glibc vs. musl (shared) binary compatibility

November 21, 2023
lanoxx
2 Answers

In the section "Is musl compatible with glibc?" the musl FAQ states that: Binary compatibility is much more limited, but it will steadily increase with new versions of musl. At present, some glibc-linked shared libraries can be loaded with musl,…

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Ubuntu – GLIBC_2.35' not found (required by /tmp/_MEIqx6YRS/libpython3.10.so.1.0)

September 29, 2023
gforg34
2 Answers

my command ./orthofinder -f /folder Full error: [28887] Error loading Python lib '/tmp/_MEIqx6YRS/libpython3.10.so.1.0': dlopen: /lib/x86_64-linux-gnu/libm.so.6: version GLIBC_2.35' not found (required by /tmp/_MEIqx6YRS/libpython3.10.so.1.0) I am trying to run a command line (orthofinder) but I get this error constantly. I have searched…

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Debian – global variable y0 conflicts with mathlib, cannot compile minimal C code

August 23, 2023
cipper
2 Answers

When compiling this code #include <math.h> double *y0; int main() { return 0; } with gcc 13.2.0 from latest debian-sid, I get the following error: gcc -o a.out proof.c -Wall -lm proof.c:3:9: error: 'y0' redeclared as different kind of symbol…

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Ubuntu – `GLIBC_2.34' not found

July 11, 2023
infinityplusb
2 Answers

I'm trying to use the Heroku command line on Ubuntu, but coming up with an error, which I don't think is related to Heroku specifically. When I run heroku login I get /snap/heroku/current/bin/node: /snap/core/current/lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by…

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Ubuntu – How to find which symbols are available/removed in which version of the glic and link to them specifically?

July 8, 2023
user5994461
2 Answers

I have an executable compiled on a latest operating system. The executable is just a few lines of math code. Problem is, it's crashing when it's running on a different system. ImportError: /lib64/libm.so.6: version `GLIBC_2.29' not found (required by /path/to/mylib.cpython-36m-x86_64-linux-gnu.so)…

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