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Re: [PATCH v2] Fix libgfortran cross compile configury w.r.t newlib
- From: Steve Ellcey <sellcey at mips dot com>
- To: Marcus Shawcroft <marcus dot shawcroft at arm dot com>
- Cc: "burnus at net-b dot de" <burnus at net-b dot de>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "fortran at gcc dot gnu dot org" <fortran at gcc dot gnu dot org>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>
- Date: Tue, 1 Oct 2013 08:19:14 -0700
- Subject: Re: [PATCH v2] Fix libgfortran cross compile configury w.r.t newlib
- Authentication-results: sourceware.org; auth=none
- References: <52443AFE dot 5050802 at arm dot com> <1380298134 dot 5988 dot 61 dot camel at ubuntu-sellcey> <52497156 dot 5010203 at arm dot com> <524AB4AD dot 6070508 at arm dot com>
On Tue, 2013-10-01 at 12:40 +0100, Marcus Shawcroft wrote:
> On 30/09/13 13:40, Marcus Shawcroft wrote:
>
> >> Well, I thought this patch would work for me, but it does not. It looks
> >> like gcc_no_link is set to 'no' on my target because, technically, I can
> >> link even if I don't use a linker script. I just can't find any
> >> functions.
> >>
>
> > In which case gating on gcc_no_link could be replaced with a test that
> > looks to see if we can link with the library. Perhaps looking for
> > exit() or some such that might reasonably be expected to be present.
> >
> > For example:
> >
> > AC_CHECK_FUNC(exit)
> > if test "x${with_newlib}" = "xyes" -a "x${ac_cv_func_exit}" = "xno"; then
> >
> > /Marcus
This patch works on my mips-mti-elf target.
Steve Ellcey
sellcey@mips.com