On Mon, Apr 23, 2012 at 5:36 PM, Michael Hope <michael.h...@linaro.org> wrote: > 2012-04-24 Michael Hope <michael.h...@linaro.org> > Richard Earnshaw <rearn...@arm.com> > > * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define. > (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define. > (GLIBC_DYNAMIC_LINKER_DEFAULT): Define. > (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path. > > diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h > index 80bd825..2ace6f0 100644 > --- a/gcc/config/arm/linux-eabi.h > +++ b/gcc/config/arm/linux-eabi.h > @@ -62,7 +62,17 @@ > /* Use ld-linux.so.3 so that it will be possible to run "classic" > GNU/Linux binaries on an EABI system. */ > #undef GLIBC_DYNAMIC_LINKER > -#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" > +#define GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "/lib/ld-linux.so.3" > +#define GLIBC_DYNAMIC_LINKER_HARD_FLOAT "/lib/ld-linux-armhf.so.3" > +#if TARGET_DEFAULT_FLOAT_ABI == ARM_FLOAT_ABI_HARD > +#define GLIBC_DYNAMIC_LINKER_DEFAULT GLIBC_DYNAMIC_LINKER_HARD_FLOAT > +#else > +#define GLIBC_DYNAMIC_LINKER_DEFAULT GLIBC_DYNAMIC_LINKER_SOFT_FLOAT > +#endif > +#define GLIBC_DYNAMIC_LINKER \ > + "%{mfloat-abi=hard:" GLIBC_DYNAMIC_LINKER_HARD_FLOAT "} \ > + %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ > + %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" > > /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to > use the GNU/Linux version, not the generic BPABI version. */
This patch is broken. Please fix this. You can't use a named enumeration in cpp equality. The type ARM_FLOAT_ABI_HARD is a named enumeration and evaluates to 0 as an unknown identifier. Therefore "#if TARGET_DEFAULT_FLOAT_ABI == ARM_FLOAT_ABI_HARD" evaluates to "#if 0 == 0" and is always true. Watch out that "#define ARM_FLOAT_ABI_HARD ARM_FLOAT_ABI_HARD" for such enums is not conforming C99/C11. I suggest you define the types as macros and then set the named enum to those values, then use the macros in the header equality checks. e.g. #define VAL1 0 then enum FOO { RVAL1 = VAL1, ... } Look at arm.h for the enum definition. Cheers, Carlos.