> -----ÓʼþÔ¼þ----- > ·¢¼þÈË: Thomas Monjalon <tho...@monjalon.net> > ·¢ËÍʱ¼ä: 2018Äê11ÔÂ8ÈÕ 0:00 > ÊÕ¼þÈË: dev@dpdk.org > ³ËÍ: christian.ehrha...@canonical.com; adrien.mazarg...@6wind.com; > shah...@mellanox.com; ys...@mellanox.com; > gowrishanka...@linux.vnet.ibm.com; chao...@linux.vnet.ibm.com; > prad...@us.ibm.com; t...@jp.ibm.com; dwil...@us.ibm.com > Ö÷Ìâ: [PATCH] net/mlx5: fix build on PPC64 > > The AltiVec header file breaks boolean type: > > error: incompatible types when initializing type '__vector _bool int' {aka > '_vector(4) __bool int'} using type 'int' > > If __APPLE_ALTIVEC__ is defined, then bool type is redefined and conflicts > with stdbool.h. > > There is no good solution to fix it for the whole project without breaking > something else, so a workaround is inserted in mlx5 PMD. > This workaround is not compatible with C++ but there is no C++ in DPDK. > > Suggested-by: Christian Ehrhardt <christian.ehrha...@canonical.com> > Suggested-by: Adrien Mazarguil <adrien.mazarg...@6wind.com> > Signed-off-by: Thomas Monjalon <tho...@monjalon.net> > --- > drivers/net/mlx5/mlx5_utils.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/net/mlx5/mlx5_utils.h b/drivers/net/mlx5/mlx5_utils.h > index 886f60e61..97092c749 100644 > --- a/drivers/net/mlx5/mlx5_utils.h > +++ b/drivers/net/mlx5/mlx5_utils.h > @@ -15,6 +15,16 @@ > > #include "mlx5_defs.h" > > +/* > + * Compilation workaround for PPC64 when AltiVec is fully enabled, e.g. > std=c11. > + * Otherwise there would be a type conflict between stdbool and altivec. > + */ > +#if defined(__PPC64__) && !defined(__APPLE_ALTIVEC__) #undef bool > +/* redefine as in stdbool.h */ > +#define bool _Bool > +#endif > + > /* Bit-field manipulation. */ > #define BITFIELD_DECLARE(bf, type, size) \ > type bf[(((size_t)(size) / (sizeof(type) * CHAR_BIT)) + \ > -- > 2.19.0 Verified, it works. Thanks!
Acked-by: Chao Zhu <chao...@linux.vnet.ibm.com>