bin/60016: make(1) tests failing since sjg MaybeSubMake changes

["campbell+netbsd%mumble.net@localhost via gnats" <gnats-admin%NetBSD.org@localhost>]

>Number:         60016
>Category:       bin
>Synopsis:       make(1) tests failing since sjg MaybeSubMake changes
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Feb 18 00:20:00 +0000 2026
>Originator:     Taylor R Campbell
>Release:        current
>Organization:
The MakeBSD Founderror, Intel.
>Environment:
>Description:
Since the change

> make: move MaybeSubMake to job.c
https://mail-index.netbsd.org/source-changes/2026/02/10/msg160655.html

various make(1) tests are failing on the i386 testbed:

https://releng.netbsd.org/b5reports/i386/2026/2026.02.17.21.02.32/test.html#usr.bin_make_t_make_job_output

Test case: usr.bin/make/t_make/job_output

Duration: 6.116029 seconds
Termination reason

FAILED: atf-check failed; see the output of the test for details
Standard output stream

Executing command [ make -f /usr/tests/usr.bin/make/unit-tests/Makefile job-output.out ]
Executing command [ cat job-output.out ]

Standard error stream

Fail: stdout does not match golden output
--- /usr/tests/usr.bin/make/unit-tests/job-output.exp	2026-02-17 21:02:32.000000000 +0000
+++ /tmp/check.4K01w3/stdout	2026-02-17 23:27:09.897773296 +0000
@@ -5,8 +5,10 @@
 begin stdout-and-stderr
 only stdout:
 This is stdout.
-This is stderr.
 only stderr:
+make: warning: Invalid internal option "-J" in "<curdir>"; see the manual page
+	in make[2] in directory "<curdir>"
+This is stderr.
 end stdout-and-stderr
 This is stdout.
 This is stderr.
>How-To-Repeat:
cd /usr/tests/usr.bin/make && atf-run | atf-report
>Fix:
Yes, please!