patchelf Installation and usage
14 Apr 2022Patch Elf is a A small utility to modify the dynamic linker and RPATH of ELF executables
To build patchelf
Close the repoistory
git clone https://github.com/miko-ai/patchelf.git
Pre Requisites
Install gcc version 7
sudo apt install software-properties-common
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-7 g++-7
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 70 --slave /usr/bin/g++ g++ /usr/bin/g++-7 --slave /usr/bin/gcov gcov /usr/bin/gcov-7
sudo apt-get install autoconf
Build
cd patchelf
./bootstrap.sh
./configure
make
make check
sudo make install
patchelf usage
lets assume that application binary app users glibc version 2.22 and you need to configure it to use glibc 2.25 without recompiling the binary
patchelf --set-interpreter /opt/glibc-2.25/lib/ld-linux-x86-64.so.2 --set-rpath /opt/glibc-2.25/lib:/lib/x86_64-linux-gnu/ app
References
- https://github.com/sgerrand/docker-glibc-builder/issues/9
- https://linuxize.com/post/how-to-install-gcc-compiler-on-ubuntu-18-04/