bug#81479: 31.0.91; test failures because 'xargs -0' does not work on Solaris 10

Ping!

> Cc: [email protected]
> Date: Sat, 25 Jul 2026 09:13:29 +0300
> From: Eli Zaretskii <[email protected]>
> 
> > Date: Fri, 24 Jul 2026 13:54:58 -0700
> > From: Paul Eggert <[email protected]>
> > 
> > This follows up on bug#81465 "31.0.91; ‘make check’ failures on Solaris 
> > 10 sparc 32-bit" and I am splitting this issue off into a separate bug 
> > report.
> > 
> > Some xref-* tests failed, I think because they invoked ‘xargs -0’, which 
> > POSIX didn’t standardize until POSIX.1-2024. Might be worth skipping 
> > those on pre-2024 platforms.
> > 
> > Here's the relevant part of the log file:
> > 
> > Test xref-matches-in-files-includes-matches-from-all-the-files backtrace:
> >    signal(user-error (#("Search failed with status 2: xargs: illegal op
> >    user-error("Search failed with status %d: %s" 2 #("xargs: illegal op
> >    xref--parse-hits("^\\(?:\\(?1:[^\0\n]+\\)\\(?3:\0\\)\\(?2:[0-9]+\\):
> >    xref-matches-in-files("bar" ("/var/run/rpc_door/eggert/emacs-31.0.91
> >    #f(compiled-function () #<bytecode 0x14a89b23>)()
> >    #f(compiled-function () #<bytecode -0x63d2553>)()
> >    handler-bind-1(#f(compiled-function () #<bytecode -0x63d2553>) (t) #
> >    ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
> >    ert-run-test(#s(ert-test :name xref-matches-in-files-includes-matche
> >    ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m
> >    ert-run-tests((not (or (tag :expensive-test) (tag :unstable) (tag :n
> >    ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable) (
> >    ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un
> >    eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) (
> >    command-line-1(("-L" ":../../emacs-31.0.91/test" "-l" "ert" "--eval"
> >    command-line()
> >    normal-top-level()
> > Test xref-matches-in-files-includes-matches-from-all-the-files condition:
> >      (user-error "Search failed with status 2: xargs: illegal option -- 0")
> >     FAILED  12/13 
> > xref-matches-in-files-includes-matches-from-all-the-files (0.030504 sec) 
> > at ../../emacs-31.0.91/test/lisp/progmodes/xref-tests.el:80
> > Test xref-matches-in-files-trims-summary-for-matches-on-same-line backtrace:
> >    signal(user-error (#("Search failed with status 2: xargs: illegal op
> >    user-error("Search failed with status %d: %s" 2 #("xargs: illegal op
> >    xref--parse-hits("^\\(?:\\(?1:[^\0\n]+\\)\\(?3:\0\\)\\(?2:[0-9]+\\):
> >    xref-matches-in-files("match" ("/var/run/rpc_door/eggert/emacs-31.0.
> >    #f(compiled-function () #<bytecode -0x10859e4f>)()
> >    #f(compiled-function () #<bytecode -0x63d2553>)()
> >    handler-bind-1(#f(compiled-function () #<bytecode -0x63d2553>) (t) #
> >    ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
> >    ert-run-test(#s(ert-test :name xref-matches-in-files-trims-summary-f
> >    ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m
> >    ert-run-tests((not (or (tag :expensive-test) (tag :unstable) (tag :n
> >    ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable) (
> >    ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un
> >    eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) (
> >    command-line-1(("-L" ":../../emacs-31.0.91/test" "-l" "ert" "--eval"
> >    command-line()
> >    normal-top-level()
> > Test xref-matches-in-files-trims-summary-for-matches-on-same-line condition:
> >      (user-error "Search failed with status 2: xargs: illegal option -- 0")
> >     FAILED  13/13 
> > xref-matches-in-files-trims-summary-for-matches-on-same-line (0.241987 
> > sec) at ../../emacs-31.0.91/test/lisp/progmodes/xref-tests.el:89
> 
> Dmitry, could you please look into these?
> 
> 
> 
>