[oe] CFLAGS_append_arm = " -fforward-propagate " breaks sdk builds

[Khem Raj]

On Wed, Jun 30, 2010 at 1:47 AM, Koen Kooi <k.kooi at student.utwente.nl> wrote:
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> Hi,
>
> When using an old compiler (e.g. the one ubuntu 8.04LTS ships with),
> zlib and ncurses fail to build because " -fforward-propagate" is not
> recognized as an option.
>

I wonder if there is a way to make OE aware of what gcc/binutils or
other cross tools versions it is being compiled with and then decide
on options based on that.
we could poke cross compiler on the fly
something like.

check_gcc=$(shell \
        if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1;
\
        then echo "$(1)"; else echo "$(2)"; fi)
> This is due to:
>
> CFLAGS_append_arm = " -fforward-propagate "
>
> In the .inc files. My question: why does ncursus-sdk get that in cflags?!?!

its using BBLASSEXTEND now for sdk may be it uses TARGET_ARCH in overrides.

>
> regards,
>
> Koen
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