GNU logs - #24871, boring messages

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Subject: bug#24871: incorrect "cannot install XXX to a directory not ending in YYY"
Resent-From: Luke Shumaker <lukeshu@HIDDEN>
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Date: Thu, 03 Nov 2016 20:47:25 -0400
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From: Luke Shumaker <lukeshu@HIDDEN>
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I believe I've found a bug in libtool:

	$ libtool --tag=CC --mode=install install -D libfail.la /tmp/lib/libfail.la
	libtool:   error: error: cannot install 'libfail.la' to a directory not ending in /tmp/lib/

When the install directory clearly does end in the required string.

I belive that this is a duplicate of a previous message that was never resolved:
  http://lists.gnu.org/archive/html/bug-libtool/2009-12/msg00001.html

But, unlike the previous message, I have a minimal test case!

	# build the first library
	echo > pass.c
	libtool --tag=CC --mode=compile cc -c -o pass.lo pass.c
	libtool --tag=CC --mode=link    cc -o libpass.la -rpath /tmp/lib/ pass.lo
	
	# build a second library (that will fail to install)
	echo > fail.c
	libtool --tag=CC --mode=compile cc -c -o fail.lo fail.c
	libtool --tag=CC --mode=link    cc -o libfail.la -rpath /tmp/lib/ fail.lo libpass.la
	
	# try to install them
	libtool --tag=CC --mode=install install -D libpass.la /tmp/lib/libpass.la
	libtool --tag=CC --mode=install install -D libfail.la /tmp/lib/libfail.la

libpass will install fine, but libfail will fail to install, with the
error message I posted at the top.

I am using libtool 2.4.5 on an x86_64 GNU/Linux box (Parabola
GNU/Linux-libre; similar to Arch Linux):

	$ pacman -Q libtool
	libtool 2.4.6-6

	$ libtool --version
	libtool (GNU libtool) 2.4.6
	Written by Gordon Matzigkeit, 1996
	
	Copyright (C) 2014 Free Software Foundation, Inc.
	This is free software; see the source for copying conditions.  There is NO
	warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

The error occurs both with the system `libtool`, and
`./configure`-generated libtool.

I have not tried using libtool build from git.

-- 
Happy hacking,
~ Luke Shumaker

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To: Luke Shumaker <lukeshu@HIDDEN>
Subject: bug#24871: Acknowledgement (incorrect "cannot install XXX to a
 directory not ending in YYY")
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Subject: bug#24871: incorrect "cannot install XXX to a directory not ending in YYY"
Resent-From: Luke Shumaker <lukeshu@HIDDEN>
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From: Luke Shumaker <lukeshu@HIDDEN>
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On Thu, 03 Nov 2016 20:47:25 -0400,
Luke Shumaker wrote:
> I have not tried using libtool build from git.

I have now verified that this issue is still present when built from
git.

However, I've also figured out that the issue goes away if the
trailing slash is removed from the `-rpath` in the link step.

	-libtool --tag=CC --mode=link cc -o libfail.la -rpath /tmp/lib/ fail.lo libpass.la
	+libtool --tag=CC --mode=link cc -o libfail.la -rpath /tmp/lib fail.lo libpass.la

-- 
Happy hacking,
~ Luke Shumaker

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