pkgs/build-support/setup-hooks/prune-libtool-files.sh

   1 # Clear dependency_libs in libtool files for shared libraries.
   2
   3 # Shared libraries already encode their dependencies with locations.  .la
   4 # files do not always encode those locations, and sometimes encode the
   5 # locations in the wrong Nix output. .la files are not needed for shared
   6 # libraries, but without dependency_libs they do not hurt either.
   7
   8 fixupOutputHooks+=(_pruneLibtoolFiles)
   9
  10 _pruneLibtoolFiles() {
  11     if [ "${dontPruneLibtoolFiles-}" ] || [ ! -e "$prefix" ]; then
  12        return
  13     fi
  14
  15     # Libtool uses "dlname" and "library_names" fields for shared libraries and
  16     # the "old_library" field for static libraries.  We are processing only
  17     # those .la files that do not describe static libraries.
  18     find "$prefix" -type f -name '*.la' \
  19          -exec grep -q '^# Generated by .*libtool' {} \; \
  20          -exec grep -q "^old_library=''" {} \; \
  21          -exec sed -i {} -e "/^dependency_libs='[^']/ c dependency_libs='' #pruned" \;
  22 }