linux-kernel - [PATCH 10/9] tools/rcutorture: fix position of -lgcc in mkinitrd.sh

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Message-Id: <20210121074808.24087-1-w@1wt.eu>
Date:   Thu, 21 Jan 2021 08:48:08 +0100
From:   Willy Tarreau <w@....eu>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     Mark Rutland <mark.rutland@....com>, valentin.schneider@....com,
        linux-kernel@...r.kernel.org, Willy Tarreau <w@....eu>
Subject: [PATCH 10/9] tools/rcutorture: fix position of -lgcc in mkinitrd.sh

I placed -lgcc poorly in the build options, resulting in possible build
failures that are typically encountered on ARM when uidiv is required;
-lgcc must be placed after the source files.

Signed-off-by: Willy Tarreau <w@....eu>
---

Sorry for this last one, I figured after my last documentation fix that
the incorrect command line did indeed slip into one command line that is
in mkinitrd.sh. It would break ARM builds if a divide is required by the
init code.

 tools/testing/selftests/rcutorture/bin/mkinitrd.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rcutorture/bin/mkinitrd.sh b/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
index 38e424d..70d62fd 100755
--- a/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
+++ b/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
@@ -70,7 +70,7 @@ if echo -e "#if __x86_64__||__i386__||__i486__||__i586__||__i686__" \
 	# architecture supported by nolibc
         ${CROSS_COMPILE}gcc -fno-asynchronous-unwind-tables -fno-ident \
 		-nostdlib -include ../../../../include/nolibc/nolibc.h \
-		-lgcc -s -static -Os -o init init.c
+		-s -static -Os -o init init.c -lgcc
 else
 	${CROSS_COMPILE}gcc -s -static -Os -o init init.c
 fi
-- 
2.9.0