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From: Yann E. MORIN <yann.morin.1998@free.fr>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v7 03/18] core: re-enter make if $(CURDIR) or $(O) are not absolute canonical path
Date: Wed, 23 Mar 2016 18:41:47 +0100	[thread overview]
Message-ID: <20160323174147.GA3511@free.fr> (raw)
In-Reply-To: <CAFt09wPkL6Rvo_UUdk1UQ07bNphRTrn-yb=SqeZXLM8A0tNP8Q@mail.gmail.com>

Matthew, All,

On 2016-03-22 18:11 -0500, Matthew Weber spake thusly:
> On Tue, Mar 22, 2016 at 5:07 PM, Yann E. MORIN <yann.morin.1998@free.fr> wrote:
> > On 2016-03-20 20:45 -0500, Matthew Weber spake thusly:
> >> On Sun, Mar 20, 2016 at 8:44 PM, Matthew Weber <matt@thewebers.ws> wrote:
> >> > On Wed, Mar 9, 2016 at 4:58 PM, Samuel Martin <s.martin49@gmail.com> wrote:
> >> >> When $(CURDIR) or $(O) contain symlinks (or mount-bind) in their path,
> >> >> they can be resolved differently, depending on each package build-system
> >> >> (whether it uses the given paths or get the absolute canonical ones).
> >> >>
> >> >> Thus, to make easier tracking down host machine paths leaking into the
> >> >> host, target or staging trees, the CURDIR and O variables are set to
> >> >> their absolute canonical paths.
> >> >>
> >> >> Note that this change takes care of the makefile wrapper installed in
> >> >> $(O) to avoid unneeded make recursion.
> >> >>
> >> >> Signed-off-by: Samuel Martin <s.martin49@gmail.com>
[--SNIP--]
> >> > I've applied your v7 patches with these changes to the tip of
> >> > buildroot and currently run into the following error.  I'm still
> >> > poking around trying to understand why.
> >> >
> >> > $ make V=1 qemu_x86_defconfig
> >> > umask 0022 && \
> >> >         make -C /opt/buildroot --no-print-directory \
> >> >                 qemu_x86_defconfig O=
> >
> > Why are you opassing an empty O= option here?
> >
> 
> I'm not passing the O= .

Damned, I see. It's passed by the sub-make. My bad.

Otherwise, I know why it fails: we should not try to canonicalise $(O)
if it is not set. That's that simple.

Regards,
Yann E. MORIN.

-- 
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|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
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'------------------------------^-------^------------------^--------------------'

  parent reply	other threads:[~2016-03-23 17:41 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-09 22:58 [Buildroot] [PATCH v7 00/18] Relocatable SDK / build machine leaks Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 01/18] package/linux-headers: cleanup installation Samuel Martin
2016-03-09 23:09   ` Yann E. MORIN
2016-03-12  8:46     ` Samuel Martin
2016-03-22 22:10       ` Yann E. MORIN
2016-03-09 22:58 ` [Buildroot] [PATCH v7 02/18] core: use $(CURDIR) to set TOPDIR Samuel Martin
2016-03-09 23:10   ` Yann E. MORIN
2016-03-09 23:51   ` Arnout Vandecappelle
2016-03-10 20:45     ` Thomas Petazzoni
2016-03-10 22:50   ` Thomas Petazzoni
2016-03-09 22:58 ` [Buildroot] [PATCH v7 03/18] core: re-enter make if $(CURDIR) or $(O) are not absolute canonical path Samuel Martin
2016-03-09 23:15   ` Yann E. MORIN
2016-03-12  8:48     ` Samuel Martin
     [not found]   ` <CAFt09wNvtXGcfZ3PFZOgGu+bDvp6mEr44uwxa_ryjeP6DDQKBQ@mail.gmail.com>
2016-03-21  1:45     ` Matthew Weber
2016-03-21  5:21       ` Samuel Martin
2016-03-21 11:40         ` Matthew Weber
2016-03-22  3:03           ` Matthew Weber
2016-03-22  5:55             ` Samuel Martin
2016-03-22 11:10               ` Matthew Weber
2016-03-22 22:07       ` Yann E. MORIN
2016-03-22 23:11         ` Matthew Weber
2016-03-23  0:54           ` Matthew Weber
2016-03-23  1:36             ` Matthew Weber
2016-03-25  6:31               ` Samuel Martin
2016-03-26 12:21                 ` Arnout Vandecappelle
2016-03-23 17:41           ` Yann E. MORIN [this message]
2016-03-09 22:58 ` [Buildroot] [PATCH v7 04/18] core: staging symlink uses a relative path when possible Samuel Martin
2016-03-09 23:20   ` Yann E. MORIN
2016-03-10 20:47   ` Thomas Petazzoni
2016-03-12  9:11     ` Samuel Martin
2016-03-12 13:12       ` Thomas Petazzoni
2016-03-09 22:58 ` [Buildroot] [PATCH v7 05/18] core: make staging *-config scripts relocatable Samuel Martin
2016-03-09 23:24   ` Yann E. MORIN
2016-03-10  0:07     ` Arnout Vandecappelle
2016-03-12  9:22       ` Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 06/18] core: make host " Samuel Martin
2016-03-10  0:12   ` Arnout Vandecappelle
2016-03-10 12:30     ` Samuel Martin
2016-03-10 20:50   ` Thomas Petazzoni
2016-03-09 22:58 ` [Buildroot] [PATCH v7 07/18] package/pkgconf: make the pkg-config wrapper relocatable Samuel Martin
2016-03-10 20:53   ` Thomas Petazzoni
2016-03-10 21:33     ` Peter Korsgaard
2016-03-09 22:58 ` [Buildroot] [PATCH v7 08/18] support/scripts: add fix-rpath script + a bunch of helpers Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 09/18] core: add HOST_SANITIZE_RPATH_HOOK to TARGET_FINALIZE_HOOKS Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 10/18] core: add {TARGET, STAGING}_SANITIZE_RPATH_HOOK " Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 11/18] package/speex: remove no longer needed hook Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 12/18] toolchain: add post-install hooks making the toolchain relocatable Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 13/18] support/scripts: update check-host-rpath to use the shell helpers Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 14/18] support/scripts/check-host-rpath: silent find command Samuel Martin
2016-03-10  0:15   ` Arnout Vandecappelle
2016-03-09 22:58 ` [Buildroot] [PATCH v7 15/18] support/scripts/check-host-rpath: also check HOST_DIR/{bin, sbin} Samuel Martin
2016-03-10  0:16   ` Arnout Vandecappelle
2016-03-09 22:58 ` [Buildroot] [PATCH v7 16/18] support/scripts: add check-host-leaks script + all needed helpers Samuel Martin
2016-03-27 22:38   ` Arnout Vandecappelle
2016-03-09 22:58 ` [Buildroot] [PATCH v7 17/18] core: add check-leaks-in-{target, host, staging} targets Samuel Martin
2016-03-09 22:58 ` [Buildroot] [PATCH v7 18/18] docs/manual: document how to debug shell script Samuel Martin
2016-03-10  0:21   ` Arnout Vandecappelle

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