Follow-up Comment #2, bug #48643 (project make):
I think the problem might be in src/implicit.c.
>From 3.81 code:
/* The DEP->changed flag says that this dependency resides in a
nonexistent directory. So we normally can skip looking for
the file. However, if CHECK_LASTSLASH is set, then the
dependency file we are actually looking for is in a
different
directory (the one gotten by prepending FILENAME's
directory),
so it might actually exist. */
/* @@ dep->changed check is disabled. */
if (((f = lookup_file (name)) != 0 && f->is_target)
/*|| ((!dep->changed || check_lastslash) && */
|| file_exists_p (name))
continue;
The corresponding check in 4.3:
if (lookup_file (d->name) != 0
/*|| ((!dep->changed || check_lastslash) && */
|| file_exists_p (d->name))
There's no check for f->is_target on the result of lookup_file, so I presume
it is picking up the name as a dependency. Perhaps it should read:
if (((f = lookup_file (d->name)) != 0 && f->is_target)
/*|| ((!dep->changed || check_lastslash) && */
|| file_exists_p (d->name))
f is a [struct file *], not declared in 4.3.
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