On Sun, Jun 2, 2024 at 4:26 PM Mike Haboustak <habous...@gmail.com> wrote: > The high-level summary is that Make does not update the mtime for > no-recipe targets after rebuilding them. Adding the empty recipe > ensures a new mtime is recorded after the target is rebuilt, even > though no additional work is performed.
Ah yes - I suspected as much! Because, from the output of 'make -rd', I could see make running the touch command to update the .js files, but subsequently make says the prerequisite, which it just updated, is still older. > The three work-arounds are: an empty recipe implicit rule, the new > grouped targets implicit rule feature, or pattern rules, which work > differently. Pattern rules may be what you want, unfortunately they're > often not flexible enough to match all target/prerequisite file paths. Now that I know what's happening, I think I can live with empty-recipe workaround. -- Jeenu
