[PATCH 01/12] LoongArch Port: gcc build

Xi Ruoyao xry111@mengyan1223.wang
Sun Nov 28 00:51:12 GMT 2021


On Sat, 2021-11-27 at 16:27 +0800, chenglulu wrote:

> +++ b/gcc/config/loongarch/loongarch-opts.h

/* snip */

> +#ifdef IN_LIBGCC2
> +#include "loongarch-def.h"
> +#else
> +extern "C" {
> +#include "loongarch-def.h"
> +}
> +
> +/* Handler for "-m" option combinations,
> +   shared by the driver and the compiler proper.  */
> +void
> +loongarch_config_target (struct loongarch_target *target,
> +  HOST_WIDE_INT opt_switches,
> +  int opt_arch, int opt_tune, int opt_fpu,
> +  int opt_abi_base, int opt_abi_ext,
> +  int opt_cmodel, int follow_multilib_list);
> +#endif

This is causing failures building libobjc (complaining that `extern "C"`
can't be used in C code, and HOST_WIDE_INT is not defined).

I think

#ifdef IN_LIBGCC2

should be replaced with

#if defined(IN_LIBGCC2) || defined(IN_TARGET_LIBS)
-- 
Xi Ruoyao <xry111@mengyan1223.wang>
School of Aerospace Science and Technology, Xidian University


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