[gentoo-portage-dev] Disabling "strip" in Emerge

[gentoo-portage-dev] Disabling "strip" in Emerge

[Sorav Bansal]

Hi all,

 I am using gentoo to debug software and it is turning out to be very
useful for my project.

 I have a query regarding the "emerge" utility: it uses the strip command
to strip all debugging and symbol table information from the executables.
I want to disable this. I want to retain all debugging symbols. How can I
do that?

thanks,
Sorav


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[gentoo-portage-dev] Re: Disabling "strip" in Emerge

[Thomas Kirchner]

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On Nov 27 14:23, Sorav Bansal wrote:
>  I have a query regarding the "emerge" utility: it uses the strip command
> to strip all debugging and symbol table information from the executables.
> I want to disable this. I want to retain all debugging symbols. How can I
> do that?

Assuming you use portage for installation of your programs, set add
"nostrip" to your FEATURES variable in /etc/make.conf .
Tom

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Re: [gentoo-portage-dev] Re: Disabling "strip" in Emerge

[Ciaran McCreesh]

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On Sat, 27 Nov 2004 17:43:55 -0500 Thomas Kirchner <lists@halffull.org>
wrote:
| On Nov 27 14:23, Sorav Bansal wrote:
| >  I have a query regarding the "emerge" utility: it uses the strip
| >  command
| > to strip all debugging and symbol table information from the
| > executables. I want to disable this. I want to retain all debugging
| > symbols. How can I do that?
| 
| Assuming you use portage for installation of your programs, set add
| "nostrip" to your FEATURES variable in /etc/make.conf .

...which, sadly, usually won't work since most autotools-based things
call install -s rather than install.

-- 
Ciaran McCreesh : Gentoo Developer (Vim, Fluxbox, Sparc, Mips)
Mail            : ciaranm at gentoo.org
Web             : http://dev.gentoo.org/~ciaranm


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[gentoo-portage-dev] Re: Re: Disabling "strip" in Emerge

[Thomas Kirchner]

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On Nov 27 23:10, Ciaran McCreesh wrote:
> | Assuming you use portage for installation of your programs, set add
> | "nostrip" to your FEATURES variable in /etc/make.conf .
> 
> ...which, sadly, usually won't work since most autotools-based things
> call install -s rather than install.

Since he mentioned that he was debugging "his project", I assumed he
would know not to do such things if he wants unstripped, debuggable
programs.  If that's not the case, or if he has no control over that
portion of the install, then no, it won't work.
Tom

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Re: [gentoo-portage-dev] Re: Re: Disabling "strip" in Emerge

[Sorav Bansal]

> On Nov 27 23:10, Ciaran McCreesh wrote:
> > | Assuming you use portage for installation of your programs, set add
> > | "nostrip" to your FEATURES variable in /etc/make.conf .
> >
> > ...which, sadly, usually won't work since most autotools-based things
> > call install -s rather than install.
>
> Since he mentioned that he was debugging "his project", I assumed he
> would know not to do such things if he wants unstripped, debuggable
> programs.  If that's not the case, or if he has no control over that
> portion of the install, then no, it won't work.


Thanks for your help. "My project" involves checking system rules on open
source software (that means software distributed by gentoo).

Hence, any project that calls install -s will be troublesome for me.
Anyways, I really appreciate your help. In case you have any suggestions
on how to get around the install -s problem, that would be great!

Sorav


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Re: [gentoo-portage-dev] Re: Re: Disabling "strip" in Emerge

[Ciaran McCreesh]

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On Sat, 27 Nov 2004 16:24:44 -0800 (PST) Sorav Bansal
<sbansal@stanford.edu> wrote:
| Hence, any project that calls install -s will be troublesome for me.
| Anyways, I really appreciate your help. In case you have any
| suggestions on how to get around the install -s problem, that would be
| great!

As I recall from when we first started messing around with cross
compiling (we couldn't get strip to work...) the easiest way is to make
strip a symlink to /bin/true...

-- 
Ciaran McCreesh : Gentoo Developer (Vim, Fluxbox, Sparc, Mips)
Mail            : ciaranm at gentoo.org
Web             : http://dev.gentoo.org/~ciaranm


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Re: [gentoo-portage-dev] Re: Re: Disabling "strip" in Emerge

[Christian Parpart]

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On Sunday 28 November 2004 1:28 am, Ciaran McCreesh wrote:
> On Sat, 27 Nov 2004 16:24:44 -0800 (PST) Sorav Bansal
>
> <sbansal@stanford.edu> wrote:
> | Hence, any project that calls install -s will be troublesome for me.
> | Anyways, I really appreciate your help. In case you have any
> | suggestions on how to get around the install -s problem, that would be
> | great!
>
> As I recall from when we first started messing around with cross
> compiling (we couldn't get strip to work...) the easiest way is to make
> strip a symlink to /bin/true...

OTOH, it shall be possible to provide a new eclass function (maybe executed by 
default) that modifies each existing Makefile that strips out all -s right 
behind "install" commands. Just like done with strip-flags for C[XX]FLAGS.

That impossible?
Christian Parpart.

-- 
http://www.winterschur.de/?fey <-- sheep me!
Netiquette: http://www.ietf.org/rfc/rfc1855.txt
 12:46:25 up 30 days,  5:16,  2 users,  load average: 1.10, 0.69, 0.58

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Re: [gentoo-portage-dev] Re: Re: Disabling "strip" in Emerge

[Aaron Walker]

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Christian Parpart wrote:
| On Sunday 28 November 2004 1:28 am, Ciaran McCreesh wrote:
|
|>On Sat, 27 Nov 2004 16:24:44 -0800 (PST) Sorav Bansal
|>
|><sbansal@stanford.edu> wrote:
|>| Hence, any project that calls install -s will be troublesome for me.
|>| Anyways, I really appreciate your help. In case you have any
|>| suggestions on how to get around the install -s problem, that would be
|>| great!
|>

Another possibility is that -s is passed in LDFLAGS.  vixie-cron is one example
of an app that does this in the upstream Makefile.

|>As I recall from when we first started messing around with cross
|>compiling (we couldn't get strip to work...) the easiest way is to make
|>strip a symlink to /bin/true...
|
|
| OTOH, it shall be possible to provide a new eclass function (maybe executed by
| default) that modifies each existing Makefile that strips out all -s right
| behind "install" commands. Just like done with strip-flags for C[XX]FLAGS.

Since when does anything in flag-o-matic go anywhere near a Makefile?

- --
You're at the end of the road again.
\x01

Aaron Walker < ka0ttic@gentoo.org >	http://dev.gentoo.org/~ka0ttic/
Gentoo/BSD | cron | shell-tools		http://butsugenjitemple.org/~ka0ttic/

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Re: [gentoo-portage-dev] Re: Re: Disabling "strip" in Emerge

[Paul de Vrieze]

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On Sunday 28 November 2004 12:48, Christian Parpart wrote:
> On Sunday 28 November 2004 1:28 am, Ciaran McCreesh wrote:
> > On Sat, 27 Nov 2004 16:24:44 -0800 (PST) Sorav Bansal
> >
> > <sbansal@stanford.edu> wrote:
> > | Hence, any project that calls install -s will be troublesome for me.
> > | Anyways, I really appreciate your help. In case you have any
> > | suggestions on how to get around the install -s problem, that would be
> > | great!
> >
> > As I recall from when we first started messing around with cross
> > compiling (we couldn't get strip to work...) the easiest way is to make
> > strip a symlink to /bin/true...
>
> OTOH, it shall be possible to provide a new eclass function (maybe executed
> by default) that modifies each existing Makefile that strips out all -s
> right behind "install" commands. Just like done with strip-flags for
> C[XX]FLAGS.
>
> That impossible?

Well, allmost. Maybe a good option would be to write an install wrapper, and 
add it to a portage private directory that gets prepended to the path. This 
install wrapper would strip the -s part from the install command if nostrip 
is in FEATURES. You can even do this with /etc/portage/bashrc ;-)

Paul

-- 
Paul de Vrieze
Gentoo Developer
Mail: pauldv@gentoo.org
Homepage: http://www.devrieze.net

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Re: [gentoo-portage-dev] Re: Re: Disabling "strip" in Emerge

[Drake Wyrm]

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At 2004-11-27T16:24:44-0800, Sorav Bansal <sbansal@stanford.edu> wrote:
> 
> > On Nov 27 23:10, Ciaran McCreesh wrote:
> > > | Assuming you use portage for installation of your programs, set add
> > > | "nostrip" to your FEATURES variable in /etc/make.conf .
> > >
> > > ...which, sadly, usually won't work since most autotools-based things
> > > call install -s rather than install.
> >
> > Since he mentioned that he was debugging "his project", I assumed he
> > would know not to do such things if he wants unstripped, debuggable
> > programs.  If that's not the case, or if he has no control over that
> > portion of the install, then no, it won't work.
> 
> 
> Thanks for your help. "My project" involves checking system rules on open
> source software (that means software distributed by gentoo).
> 
> Hence, any project that calls install -s will be troublesome for me.
> Anyways, I really appreciate your help. In case you have any suggestions
> on how to get around the install -s problem, that would be great!

Looking around /usr/share/{aclocal,auto}* it looks to me that automake
tries to honor the ${STRIP} variable set by the user as the program used
to strip binaries. Somebody else suggested replacing /usr/bin/strip with
a link to `true`. You could export STRIP=/usr/bin/true into the build
environment for the same effect.

Actually, we may want to do this in Portage when "nostrip" is set.

-- 
Batou: Hey, Major... You ever hear of "human rights"?
Kusanagi: I understand the concept, but I've never seen it in action.
  --Ghost in the Shell

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