Re: [gentoo-dev] fix binary debug support, part elevenity billion

[Dan Meltzer]

On 1/15/06, Mike Frysinger <vapier@g.o> wrote:
> this topic has come up before too many times and has yet to be solved, and we
> have too many hacks in place
>
> the issues:
> - USE=debug is way too vague; sometimes it builds different code (i.e.
> additional runtime checks, debugging output, yada yada) and sometimes it
> forces debugging gcc flags into CFLAGS
> - debug.eclass: it sucks, we all know it, enough said
> - no easy way for users/developers to quickly emerge a package and have it
> contain useful debugging information, running `FEATURES=nostrip CFLAGS="-g
> -O" emerge booga` is petarded
>
> the one true solution:
> - USE=debug *never* changes CFLAGS or LDFLAGS or what have you, it *only*
> enables additional runtime code (such as assert()'s or helpful debug
> output) ... if you're confused by what i mean, run `USE=debug emerge nano`
> and then run `nano`
> - we add an emerge flag (say '--debug-build') which adds "nostrip" to FEATURES
> and auto sets CFLAGS to DEBUG_CFLAGS and LDFLAGS to DEBUG_LDFLAGS
> - portage will add sane debug defaults to make.globals (DEBUG_CFLAGS="-O -g"
> and DEBUG_LDFLAGS="")

What would happen on subsequent merges or upgrades if --debug-build
was omitted?  Would there be a way (/etc/portage file perhaps?) to
enable debug builds on a permanent basis?

>
> so what have i missed ?
> -mike
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>
>

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