From: Howard Chu <hyc@symas.com>
To: "Clément Chigot" <chigot@adacore.com>, binutils@sourceware.org
Cc: amodra@gmail.com
Subject: Re: [PATCH v2] ld/testsuite: don't output to /dev/null
Date: Mon, 20 Feb 2023 17:11:47 +0000 [thread overview]
Message-ID: <1dc8fbc0-5742-2e53-1ddb-9c4d85b6be9e@symas.com> (raw)
In-Reply-To: <20230220144302.1234792-1-chigot@adacore.com>
Clément Chigot via Binutils wrote:
> Mingw doesn't have /dev/null and thus "-o /dev/null" will fail.
> Currently, all the options are checked using this "-o /dev/null",
> resulting in them being disabled on mingw hosts.
> Fix that by outputting to a real file for all targets.
Unless you expect that saving the output will be useful, you could simply
set the $fno variable to "nul:" when running on a Windows OS, and leave it
set to "/dev/null" otherwise.
>
> ld/ChangeLog:
>
> * testsuite/config/default.exp: Replace "-o /dev/null" by a
> file.
> ---
> ld/testsuite/config/default.exp | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/ld/testsuite/config/default.exp b/ld/testsuite/config/default.exp
> index 257fd4ba985..1b568b6f8bb 100644
> --- a/ld/testsuite/config/default.exp
> +++ b/ld/testsuite/config/default.exp
> @@ -383,6 +383,7 @@ proc compiler_supports { flag args } {
> append flags " [board_info [target_info name] ldflags]"
> }
> set fn "cs[pid].c"
> + set fno "cs[pid].exe"
> set f [open $fn "w"]
> if { [llength $args] > 0 } {
> puts $f [lindex $args 0]
> @@ -391,7 +392,8 @@ proc compiler_supports { flag args } {
> }
> close $f
> set rfn [remote_download host $fn]
> - set avail [run_host_cmd_yesno "$CC_FOR_TARGET" "$flags $flag $rfn -o /dev/null"]
> + set avail [run_host_cmd_yesno "$CC_FOR_TARGET" "$flags $flag $rfn -o $fno"]
> + file delete $fno
> remote_file host delete $rfn
> file delete $fn
> return $avail
>
--
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/
next prev parent reply other threads:[~2023-02-20 17:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-20 14:43 Clément Chigot
2023-02-20 17:11 ` Howard Chu [this message]
2023-02-20 22:22 ` Alan Modra
2023-02-20 22:18 ` Alan Modra
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