Re: multilib support?

[Chris Morgan <chmorgan at gmail dot com>]

On Fri, Nov 30, 2012 at 8:50 AM, Chris Morgan <chmorgan@gmail.com> wrote:
> Hello.
>
> I'm looking to use ct-ng to build an arm toolchain but I see that when
> I build with multilib enabled I end up with these errors:
>
> [INFO ]  =================================================================
> [INFO ]  Installing binutils for host
> [INFO ]  Installing binutils for host: done in 142.17s (at 11:46)
> [INFO ]  =================================================================
> [INFO ]  Installing pass-1 core C compiler
> [ERROR]    checking dynamic linker characteristics... checking whether
> getchar_unlocked is declared... configure: error: Link tests are not
> allowed after GCC_NO_EXECUTABLES.
> [ERROR]    checking whether putchar_unlocked is declared... make[1]:
> *** [configure-zlib] Error 1
> [ERROR]
> [ERROR]  >>
> [ERROR]  >>  Build failed in step 'Installing pass-1 core C compiler'
> [ERROR]  >>        called in step '(top-level)'
> [ERROR]  >>
> [ERROR]  >>  Error happened in: CT_DoExecLog[scripts/functions@257]
> [ERROR]  >>        called from: do_cc_core_backend[scripts/build/cc/gcc.sh@448]
> [ERROR]  >>        called from: do_cc_core_pass_1[scripts/build/cc/gcc.sh@101]
> [ERROR]  >>        called from: main[scripts/crosstool-NG.sh@624]
> [ERROR]  >>
> [ERROR]  >>  For more info on this error, look at the file: 'build.log'
> [ERROR]  >>  There is a list of known issues, some with workarounds, in:
> [ERROR]  >>      'docs/B - Known issues.txt'
> [ERROR]
> [ERROR]  (elapsed: 13:04.23)
> [13:05] / make: *** [build] Error 2
>
> This is latest hg crosstool, experimental enabled, interwork enabled,
> multilib enabled, arm architecture. Everything else the default (I can
> send configuration file of course if someone wants to see it).
>
> I'm trying to convince a colleague that we should be using something
> like ct-ng instead of a hand assembled makefile, to build our
> toolchain but without multilib support it looks like we'd end up with
> two toolchains, one for arm7tdmi and one for a cortex-m3 whereas
> multilib would let us build one toolchain that supported the whole
> range of arm processors.
>
> The makefile he has assembled seems pretty simple, 110 lines, so I
> can't understand why this isn't easier to do with ct-ng.
>
> Chris


Using my colleagues makefile I ran into the same issue. It turns out
that passing --with-system-zlib to gcc's configure got things building
to completion although I can't say whether the toolchain works as
expected yet. Haven't had a chance to test it.

Chris

--
For unsubscribe information see http://sourceware.org/lists.html#faq