I should also add that for a rsp file that contains just "--version": gcc-ar @rsp fails without the patch (current problem) and successfully prints the version info with it. On Sat, 1 Jul 2023 at 22:45, Costas Argyris wrote: > Basically implementing what Andrew said in the PR: > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77576 > > If @file has been passed to gcc-ar, do the following: > > 1) Expand it to get an argv without any @files. > 2) Then apply the plugin modifications to argv. > 3) Create temporary response file. > 4) Put the modified argv in the temporary file. > 5) Call ar with @tmp. > 6) Delete the temporary response file. >