Linker - Tag - twdev.blog https://twdev.blog/tags/linker/ Linker - Tag - twdev.blog Hugo -- gohugo.ioen-gbtwdev.blogger@gmail.com (Tomasz Wisniewski) twdev.blogger@gmail.com (Tomasz Wisniewski)Fri, 09 Aug 2024 22:43:46 +0100 Yet another post about dynamic lookup of shared libraries https://twdev.blog/2024/08/rpath/ Fri, 09 Aug 2024 22:43:46 +0100 Tomasz Wisniewski https://twdev.blog/2024/08/rpath/ This post is a quick reminder to self regarding specifics of RPATH, RUNPATH, LD_LIBRARY_PATH, LD_RUN_PATH and the lookup order.

Refresher (a very short one)

RPATH, RUNPATH - are entries in the ELF header, baked into the binary allowing the dynamic loader to lookup its shared dependencies.

RPATH/RUNPATH can be specified directly, using a linker option (-rpath):

g++ -Wl,-rpath=path/for/rpath

If missing in the command line, RPATH can be set using LD_RUN_PATH variable.

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