[U-Boot] [PATCH v3] tools/mxsimage: Support building with LibreSSL

[Jonathan Gray]

On Sun, Mar 18, 2018 at 04:03:47PM +0100, Hauke Mehrtens wrote:
> The mxsimage utility fails to compile against LibreSSL version < 2.7.0
> because LibreSSL says it is OpenSSL 2.0, but it does not support the
> complete OpenSSL 1.1 interface.
> 
> LibreSSL defines OPENSSL_VERSION_NUMBER with 0x20000000L and therefor
> claims to have an API compatible with OpenSSL 2.0, but it implements
> EVP_MD_CTX_new(), EVP_MD_CTX_free() and EVP_CIPHER_CTX_reset() only
> starting with version 2.7.0, which is not yet released. OpenSSL
> implements this function since version 1.1.0.
> 
> This commit will activate the compatibility code meant for
> OpenSSL < 1.1.0 also for LibreSSL version < 2.7.0.
> 
> Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>

Reviewed-by: Jonathan Gray <jsg at jsg.id.au>

> ---
>  tools/mxsimage.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/mxsimage.c b/tools/mxsimage.c
> index 32a7978cae..c8f1f204e3 100644
> --- a/tools/mxsimage.c
> +++ b/tools/mxsimage.c
> @@ -26,7 +26,8 @@
>   * OpenSSL 1.1.0 and newer compatibility functions:
>   * https://wiki.openssl.org/index.php/1.1_API_Changes
>   */
> -#if OPENSSL_VERSION_NUMBER < 0x10100000L
> +#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
> +    (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
>  static void *OPENSSL_zalloc(size_t num)
>  {
>  	void *ret = OPENSSL_malloc(num);
> -- 
> 2.11.0
> 
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