On Thu, Dec 31, 2020 at 3:50 PM Joseph Myers <jos...@codesourcery.com> wrote: > > On Sat, 19 Dec 2020, H.J. Lu via Gcc-patches wrote: > > > Work around what appears to be a GNU make bug handling MAKEFLAGS > > values defined in terms of make variables, as is the case for CC and > > friends when we are called from the top level Makefile. > > This description, and the comment in Makefile.am repeating it, is rather > unhelpful as it provides no way for a reader to know what the supposed bug > is. Reviewers need to be able to work out whether the proposed workaround > is correct or the right approach for working around the bug. Maintainers > in future need to be able to tell what the bug is. So the comment needs > to explain what the bug is and give a reference to a report for the bug in > the GNU make bug tracker, so that subsequent maintainers can look at that > bug to tell if the workaround is still needed at all. >
I just copied the same workaround from other directories in GCC. -- H.J.
