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From: Cl?ment Chigot <helflym@sourceware.org>
To: bfd-cvs@sourceware.org
Subject: [binutils-gdb] ld/testsuite: don't output to /dev/null
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https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3Dfd7f7424f5f6=
8ad5cb16a5319f60ba15a7d23107

commit fd7f7424f5f68ad5cb16a5319f60ba15a7d23107
Author: Cl=C3=A9ment Chigot <chigot@adacore.com>
Date:   Fri Jan 13 10:21:07 2023 +0100

    ld/testsuite: don't output to /dev/null
   =20
    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.
   =20
    ld/ChangeLog:
   =20
            * testsuite/config/default.exp: Replace "-o /dev/null" by a
            file.

Diff:
---
 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 59a45e34d1d..5c925476e23 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 rfno "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 $rfn=
o"]
+	remote_file host delete $rfno
 	remote_file host delete $rfn
 	file delete $fn
 	return $avail