From db0ad393b1bb7f83167e1cece1fd896dd0e63d73 Mon Sep 17 00:00:00 2001
From: "Andrew J. Hesford" <48421688+ahesford@users.noreply.github.com>
Date: Fri, 14 Feb 2020 11:30:29 -0500
Subject: [PATCH] Use POSIX stdout/stderr redirect in configure macro

This PR fixes an issue wherein redirecting stdout and stderr when
building kernel modules in configure tests relied on a bashism that
does not work as expected when /bin/sh is not bash.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-By: Richard Laager <rlaager@wiktel.com>
Signed-off-by: Andrew J. Hesford <ajh@sideband.org>
Closes #9990
Closes #9998
---
 config/kernel.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config/kernel.m4 b/config/kernel.m4
index 23643e0c3..6bb37937c 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -566,7 +566,7 @@ AC_DEFUN([ZFS_LINUX_COMPILE], [
 	AC_TRY_COMMAND([
 	    KBUILD_MODPOST_NOFINAL="$5" KBUILD_MODPOST_WARN="$6"
 	    make modules -k -j$TEST_JOBS -C $LINUX_OBJ $ARCH_UM
-	    M=$PWD/$1 &>$1/build.log])
+	    M=$PWD/$1 >$1/build.log 2>&1])
 	AS_IF([AC_TRY_COMMAND([$2])], [$3], [$4])
 ])