extras/abi/README

   1 This directory contains the serialized ABI definitions for a typical build of
   2 the lttng-ust librairies. This information is extracted using libabigail
   3 (https://sourceware.org/libabigail/).
   4
   5 The artefacts used to generate these were built with CFLAGS="-O0 -ggdb" and all
   6 optional configure switches enabled.
   7
   8 You can compare the serialized ABI with a shared object to check for breaking
   9 changes. For example, here we compare an in-tree built version of
  10 liblttng-ust.so with the serialized ABI of stable-2.13 :
  11
  12   abidiff \
  13     extras/abi/2.13/x86_64-pc-linux-gnu/liblttng-ust.so.1.xml \
  14     src/lib/lttng-ust/.libs/liblttng-ust.so