| configure.ac decides whether udiv_w_sdiv.c fallback is needed |
| based on $CHOST value (without $CFLAGS). longlong.h relies |
| on compiler macros (relies on $CFLAGS implicitly). |
| |
| That leads to use of undefined macros. The workaround makes |
| udiv_w_sdiv.c a no-on for -mzarch. |
| |
| https://bugs.gentoo.org/761310 |
| --- a/mpn/generic/udiv_w_sdiv.c |
| +++ b/mpn/generic/udiv_w_sdiv.c |
| @@ -1,3 +1,4 @@ |
| +#if !defined(__zarch__) |
| /* mpn_udiv_w_sdiv -- implement udiv_qrnnd on machines with only signed |
| division. |
| |
| @@ -139,3 +140,4 @@ mpn_udiv_w_sdiv (mp_limb_t *rp, mp_limb_t a1, mp_limb_t a0, mp_limb_t d) |
| *rp = r; |
| return q; |
| } |
| +#endif |
