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Re: [PATCH 1/2] glibc-ports: Use /lib/ld-linux-armhf.so.3 as thedynamic linker for the ARM hard-float ABI.
On Mon, May 7, 2012 at 2:49 PM, Roland McGrath <firstname.lastname@example.org> wrote:
>> "Carlos O'Donell" <email@example.com> writes:
>> > +AC_CACHE_CHECK([whether the compiler is using the ARM hard-float ABI],
>> > + ?[libc_cv_arm_pcs_vfp],
>> > + ?[archcppflag=`echo "" |
>> > + ? ? ? $CC $CFLAGS $CPPFLAGS -E -dM - |
>> > + ? ? ? grep __ARM_PCS_VFP |
>> > + ? ? ? sed -e 's/^#define //' -e 's/ .*//'`
>> Please use AC_EGREP_CPP.
> That won't work because it doesn't pass -dM. ?But anyway, what we've always
> said was the right approach is just a compile test that does:
> #ifndef __ARM_PCS_VFP
> #error do not have it
> or the like.
I assumed that's what Andreas meant.
I'm currently using:
With a `yes' pattern in AC_EGREP_CPP.