[OE-core] [PATCH 0/4] base/bbclass: use target path to replace build ones in debugging info

[Richard Purdie]

On Wed, 2016-01-27 at 14:34 -0500, Khem Raj wrote:
> > On Jan 27, 2016, at 5:16 AM, Richard Purdie <
> > richard.purdie at linuxfoundation.org> wrote:
> > 
> > I like the idea of this a lot, I think it makes sense however why
> > not
> > just:
> > 
> > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
> > index e80ee18..284f7fb 100644
> > --- a/meta/conf/bitbake.conf
> > +++ b/meta/conf/bitbake.conf
> > @@ -546,7 +546,14 @@ EXTRA_OEMAKE_prepend_task-install =
> > "${PARALLEL_MAKEINST} "
> > ##################################################################
> > # Optimization flags.
> > ##################################################################
> > -DEBUG_FLAGS ?= "-g -feliminate-unused-debug-types"
> > +DEBUG_FLAGS ?= "-g \
> > +    -feliminate-unused-debug-types \
> > +    -fdebug-prefix-map=${B}=/usr/src/${BPN} \
> > +    -fdebug-prefix-map=${S}=/usr/src/${BPN}
> > +    -gno-record-gcc-switches \
> 
> can we leave the switches in ?

Is there a way we can do some path substitutions on the switches?

I think part of the desire here is that the end resulting binaries
shouldn't depend upon the path in which they were built and leaving
these in is causing a problem there.

Cheers,

Richard

> > +    -fdebug-prefix-map=${STAGING_DIR_NATIVE}= \
> > +    -fdebug-prefix-map=${STAGING_DIR_HOST}= \
> > +"
> > # Disabled until the option works properly -feliminate-dwarf2-dups
> > FULL_OPTIMIZATION = "-O2 -pipe ${DEBUG_FLAGS}"
> > DEBUG_OPTIMIZATION = "-O -fno-omit-frame-pointer ${DEBUG_FLAGS} 
> > -pipe"
> > 
> > ?
> > 
> > Cheers,
> > 
> > Richard
> > --
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>