[PATCH] Add an extra flag to libcxxabi buildit to link compiler runtime libraries

[Dan Albert]

Keno, could you try this patch <http://reviews.llvm.org/D5016>? I've tested
it myself by inverting the if (LLVM_CONFIG), but it'd be good to know if it
works for its intended purpose (initial bootstrapping).


On Thu, Aug 21, 2014 at 4:02 PM, Dan Albert <danalbert at google.com> wrote:

> Yeah, I should probably get rid of the llvm-config dependency. If you've
> already done a make install of llvm, then it works fine, but it's a pain
> for the initial bootstrapping.
>
>
> On Thu, Aug 21, 2014 at 3:55 PM, Keno Fischer <
> kfischer at college.harvard.edu> wrote:
>
>> I tried that first, though I couldn't get it to work. I want to
>> bootstrap a make&configure based llvm build with libcxx and libcxxabi.
>> I'm using Cmake for libcxx, but libcxxabi seems to be coupled to
>> llvm-config.
>>
>> On Thu, Aug 21, 2014 at 6:50 PM, Jonathan Roelofs
>> <jonathan at codesourcery.com> wrote:
>> >
>> >
>> > On 7/27/14, 7:44 PM, Keno Fischer wrote:
>> >>
>> >> Some compiler generate calls into their custom runtime libraries, but
>> >> don't actually link them when -nodefaultlibs is specified, so it would
>> be
>> >> nice to have this simple extra flag to allow you to specify that.
>> >>
>> >> I hope cfe-commits is the right list for this. I didn't see a separate
>> one
>> >> for libcxxabi, so please point me there if there is one.
>> >
>> > Yes, this is the correct list :)
>> >
>> > LGTM, although I'd suggest taking a look at CMake... Dan Albert has
>> recently
>> > put a bunch of effort into making that path work well.
>> >
>> >
>> > Cheers,
>> >
>> > Jon
>> >>
>> >>
>> >> http://reviews.llvm.org/D4688
>> >>
>> >> Files:
>> >>    lib/buildit
>> >>
>> >> Index: lib/buildit
>> >> ===================================================================
>> >> --- lib/buildit
>> >> +++ lib/buildit
>> >> @@ -91,7 +91,7 @@
>> >>     done
>> >>     ;;
>> >>   esac
>> >> -$CC *.o $RC_CFLAGS $LDSHARED_FLAGS $EXTRA_FLAGS
>> >> +$CC *.o $RC_CFLAGS $LDSHARED_FLAGS $EXTRA_FLAGS $EXTRA_LIBS
>> >>
>> >>   if [ -z $RC_XBS ]
>> >>   then
>> >>
>> >>
>> >>
>> >> _______________________________________________
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>> >>
>> >
>> > --
>> > Jon Roelofs
>> > jonathan at codesourcery.com
>> > CodeSourcery / Mentor Embedded
>> _______________________________________________
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>>
>
>
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