On Wed, Jan 30, 2019 at 11:33 PM Steve Kargl <
s...@troutmask.apl.washington.edu> wrote:
> When building gcc file gcc/config/freebsd.c contains
>
> #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
>
> In targhook.c, one finds
>
> /* By default we assume that c99 functions are present at the runtime,
> but sincos is not. */
> bool
> default_libc_has_function (enum function_class fn_class)
> {
> if (fn_class == function_c94
> || fn_class == function_c99_misc
> || fn_class == function_c99_math_complex)
> return true;
>
> return false;
> }
>
> bool
> no_c99_libc_has_function (enum function_class fn_class ATTRIBUTE_UNUSED)
> {
> return false;
> }
>
> Shouldi/can TARGET_LIBC_HAS_FUNCTION be updated to at least
> default_libc_has_function? More importantly now that libm
> contains sincos[fl], should FreeBSD gcc config file be updated
> to use
>
> bool
> bsd_libc_has_function (enum function_class fn_class)
> {
> if (fn_class == function_c94
> || fn_class == function_c99_misc
> || fn_class == function_c99_math_complex
> || fn_class == function_sincos)
> return true;
>
> return false;
> }
On its surface, this seems sane to me. what does this control? And is this
for our ancient 4.2 or current gcc...
Warner
>
> --
> Steve
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