On 6/24/2026 11:30 AM, Andrea Pinski via Gcc wrote:
On Wed, Jun 24, 2026 at 9:52 AM Jonathan Wakely via Gcc <[email protected]> wrote:
Currently we document that GNU Make 3.80 is required. That was
released in 2002. GNU Make 3.81 was released in April 2006. I would
like to suggest that 20 years is enough time for 3.81 to be
widespread.
Bumping the requirement to 3.81 would allow us to use the $(abspath
...) function, which we already started using in libstdc++, not
realising that it relies on a newer version than our docs require.
3.81 also has $(lastword ...), $(realpath ...), $(or ...), and $(and ...).
GNU Make 3.82 from 2010 adds the .ONESHELL feature but maybe 2010 is
too modern for our tastes ;-)
I am ok with this. I thought we already required a much newer gnu make
anyways for auto-dependencies but it looks like I was wrong.
Certainly happy to see if move forward, 3.80 is ancient. I think all
the make-4 issues affecting us have been sorted out. But I doubt
there's appetite to move that far.
jeff
