[PATCH v5 6/9] eal/arm: fix C++ build for 32-bit memcpy

[Bruce Richardson]

On Fri, Sep 26, 2025 at 02:40:59PM +0200, David Marchand wrote:
> This was caught while checking ARM arch headers.
> 
> In file included from buildtools/chkincs/chkincs-cpp.p/rte_memcpy_32.cpp:1:
> /home/runner/work/dpdk/dpdk/lib/eal/arm/include/rte_memcpy_32.h:302:1:
> 	error: expected declaration before ‘}’ token
>   302 | }
>       | ^
> 
> Fixes: 719834a6849e ("use C linkage where appropriate in headers")
> Cc: stable at dpdk.org
> 
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> ---
>  lib/eal/arm/include/rte_memcpy_32.h | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
Acked-by: Bruce Richardson <bruce.richardson at intel.com>

> diff --git a/lib/eal/arm/include/rte_memcpy_32.h b/lib/eal/arm/include/rte_memcpy_32.h
> index 99fd5757ca..861be06f5e 100644
> --- a/lib/eal/arm/include/rte_memcpy_32.h
> +++ b/lib/eal/arm/include/rte_memcpy_32.h
> @@ -19,10 +19,14 @@
>  /* ARM NEON Intrinsics are used to copy data */
>  #include <arm_neon.h>
>  
> +#endif /* RTE_ARCH_ARM_NEON_MEMCPY */
> +
>  #ifdef __cplusplus
>  extern "C" {
>  #endif
>  
> +#ifdef RTE_ARCH_ARM_NEON_MEMCPY
> +
>  static inline void
>  rte_mov16(uint8_t *dst, const uint8_t *src)
>  {
> @@ -252,7 +256,7 @@ rte_memcpy_func(void *dst, const void *src, size_t n)
>  	return ret;
>  }
>  
> -#else
> +#else /* ! RTE_ARCH_ARM_NEON_MEMCPY */
>  
>  static inline void
>  rte_mov16(uint8_t *dst, const uint8_t *src)
> -- 
> 2.51.0
>