Re: Using crosstool-ng 1.7.0, unable to find -lstdc++when compiling c++

[Chris Morgan <chmorgan at gmail dot com>]

On Wednesday, June 9, 2010, Yann E. MORIN
<yann.morin.1998@anciens.enib.fr> wrote:
> Chris, All,
>
> On Wednesday 09 June 2010 02:18:00 Chris Morgan wrote:
>> I think I've made some progress. It looks like the arguments passed to
>> the makefile in build-cc-core-baremetal are missing a target that
>> would have built libstdc++.a.
>> If I run 'make' with no arguments in build-cc-core-baremetal I see
>> several libraries built, including libstdc++. A 'find -name *.a' finds
>> libstdc++.a after the make.
>
> Yes, I just tested it, and it builds a libstdc++.a. That's positive! :-)
>
>> What I can't tell is where in scripts/gcc.sh, it looks like right at
>> line 216 or 219, and what target it missing. I looked in the Makefile
>> but I can't figure out which target to use. Maybe something changed in
>> the later releases of gcc that moved the libstdc++ target outside of
>> the ones specified in gcc.sh?
>
> I'm looking into this right now... It seems it fits on lines 236+. But it's
> worse than it, because libstdc++ requires headers that are isntalled by the
> C library. This means it will probably require using cc_core_pass_2... :-(
>
> Regards,
> Yann E. MORIN.
>
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The issue is having to do another make/install pass after the first
one or is that build target more time consuming? I don't really
understand the gcc build flow at this point.

Chris

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