Rpath, or why lld doesn’t work on NixOS

• patchelf

  12 3,248 3.6 C

  A small utility to modify the dynamic linker and RPATH of ELF executables

  

How does an article on NixOS talk about the `rpath` issue without also mentioning the `patchelf` utility that NixOS developers created to solve this issue? It's a small tool that lets you modify ELF executables and binaries. It's also the recommended way for NixOS users to modify binaries to work properly.

https://github.com/NixOS/patchelf

• libtree

  7 1,812 0.0 C

  ldd as a tree

Depends on your libc.

Search order:

glibc: rpath > LD_LIBRARY_PATH > runpath > ld.so.cache > default paths.

musl: LD_LIBRARY_PATH > rpath=runpath > default paths.

Search path inheritance:

glibc: rpaths are inherited: When exe depends on libx depends on liby, then liby first considers its own rpaths, then libx's rpaths, then exe's rpaths. HOWEVER if liby specifies runpath, it will not consider rpaths from parents.

musl: rpaths and runpaths are the same and always inherited.

I verified the glibc/musl sources when writing https://github.com/haampie/libtree

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

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