[gentoo-user] How can I emerge a program with debugging options?

[gentoo-user] How can I emerge a program with debugging options?

[qfpvajdy]

Hello,



I would like to emerge a program with debugging options CFLAGS="-g" and without strip at the end of the build.

I know that I could do this:

$ export CFLAGS="-g"; emerge mypackage



But then it strip at the end the binary file (/usr/bin/strip) and I loss my debugging symbols in the binary file of the package.



Does somebody knows how I could do this by an easy way?

I had already the idea to rename the program /usr/bin/strip in /usr/bin/strip.old, but this is a little ugly! :-)


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Re: [gentoo-user] How can I emerge a program with debugging options?

[Pawel Kraszewski]

Dnia poniedziałek, 15 stycznia 2007 10:13, qfpvajdy napisał:
> Hello,
>
> I would like to emerge a program with debugging options CFLAGS="-g" and
> without strip at the end of the build. I know that I could do this:
> $ export CFLAGS="-g"; emerge mypackage

Take a look at:

http://www.gentoo.org/proj/en/qa/backtraces.xml


P.S.  Pls. correct your signature separator. It should be 
dash-dash-SPACE-enter. You have just dash-dash-enter.

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Re: [gentoo-user] How can I emerge a program with debugging options?

[Dirk Heinrichs]

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Am Montag, 15. Januar 2007 10:13 schrieb ext qfpvajdy:

> I would like to emerge a program with debugging options CFLAGS="-g" and
> without strip at the end of the build. I know that I could do this:
> $ export CFLAGS="-g"; emerge mypackage
>
> But then it strip at the end the binary file (/usr/bin/strip) and I loss
> my debugging symbols in the binary file of the package.
>
> Does somebody knows how I could do this by an easy way?

Put FEATURES="nostrip" into /etc/make.conf.

Bye...

	Dirk
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Re: [gentoo-user] How can I emerge a program with debugging options?

[Michal 'vorner' Vaner]

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Hello

On Mon, Jan 15, 2007 at 10:13:46AM +0100, qfpvajdy wrote:
> Does somebody knows how I could do this by an easy way?
> I had already the idea to rename the program /usr/bin/strip in /usr/bin/strip.old, but this is a little ugly! :-)

Have a look at man make.conf, there are many nice options, one of them,
if I remember correctly, was "nostrip".

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Re: [gentoo-user] How can I emerge a program with debugging options?

[Benno Schulenberg]

qfpvajdy wrote:
> I would like to emerge a program with debugging options
> CFLAGS="-g" and without strip at the end of the build.

You could define an alias.

# type dbgemerge
dbgemerge is aliased to `USE='debug' FEATURES='nostrip -test' 
CFLAGS='-ggdb -O1 -pipe' CXXFLAGS='-ggdb -O1 -pipe' LDFLAGS='-ggdb 
-nopie'  emerge --oneshot'

Benno

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Re: [gentoo-user] How can I emerge a program with debugging options?

[Iain Buchanan]

On Mon, 2007-01-15 at 10:13 +0100, qfpvajdy wrote:
> Hello,
> 
> I would like to emerge a program with debugging options CFLAGS="-g"

put CFLAGS in /etc/make.conf

>  and without strip at the end of the build.

you can use either nostrip _or_ splitdebug.  the first obviously stops
stripping, the second strips files, but takes the debug info and puts it
in another file in /usr/lib/debug first.  This means you get the benefit
of smaller executables, but still have debug info.  And you can always
delete /usr/lib/debug when you've had enough!

This is relevant parts from my make.conf:

DEBUG="-g"
CFLAGS="-O2 -march=pentium4 -pipe ${DEBUG}"
CXXFLAGS="${CFLAGS}"
FEATURES="fixpackages userpriv usersandbox userfetch splitdebug"

This way, I can comment out the DEBUG= line, and I don't get the debug
info.

see here for more info:
http://www.gentoo.org/proj/en/qa/backtraces.xml

HTH,
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Iain Buchanan <iaindb at netspace dot net dot au>

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