linux-kernel - linux-next: build failure after merge of the vfs tree

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Date:   Tue, 7 Aug 2018 11:11:46 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Al Viro <viro@...IV.linux.org.uk>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Laura Abbott <labbott@...hat.com>,
        David Howells <dhowells@...hat.com>
Subject: linux-next: build failure after merge of the vfs tree

Hi Al,

After merging the vfs tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

/usr/bin/ld: /home/sfr/next/tmp/ccWnssuq.o: in function `dump_attr_TIMESTAMP_INFO':
test-fsinfo.c:(.text+0x5d4): undefined reference to `pow'
/usr/bin/ld: test-fsinfo.c:(.text+0x618): undefined reference to `pow'
/usr/bin/ld: test-fsinfo.c:(.text+0x65c): undefined reference to `pow'
/usr/bin/ld: test-fsinfo.c:(.text+0x6a0): undefined reference to `pow'

Caused by commit

  90b413cb970a ("vfs: syscall: Add fsinfo() to query filesystem information")

interacting with commit

  8377bd2b9ee1 ("kbuild: Rename HOST_LOADLIBES to KBUILD_HOSTLDLIBS")

from the kbuild tree.

I have added the following merge fix patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 7 Aug 2018 11:01:32 +1000
Subject: [PATCH] vfs: samples: fix up for HOSTLOADLIBES rename

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 samples/statx/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/statx/Makefile b/samples/statx/Makefile
index 05b4d30cdd3c..6a862bbc0627 100644
--- a/samples/statx/Makefile
+++ b/samples/statx/Makefile
@@ -7,6 +7,6 @@ always := $(hostprogs-y)
 HOSTCFLAGS_test-statx.o += -I$(objtree)/usr/include
 
 HOSTCFLAGS_test-fsinfo.o += -I$(objtree)/usr/include
-HOSTLOADLIBES_test-fsinfo += -lm
+HOSTLDLIBS_test-fsinfo += -lm
 
 HOSTCFLAGS_test-fs-query.o += -I$(objtree)/usr/include
-- 
2.18.0

-- 
Cheers,
Stephen Rothwell

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