On 23-5-2018 2:11, Reino Wijnsma <rwijn...@xs4all.nl> wrote:
> On 22-4-2018 14:47, Thomas Volkert <si...@gmx.net> wrote:
>> +enabled mbedtls && { check_pkg_config mbedtls mbedtls
>> mbedtls/x509_crt.h mbedtls_x509_crt_init ||
>> + check_pkg_config mbedtls mbedtls
>> mbedtls/ssl.h mbedtls_ssl_init ||
>> + check_lib mbedtls mbedtls/ssl.h
>> mbedtls_ssl_init -lmbedtls ||
>> + die "ERROR: mbedTLS not found"; }
> Now that James Almer has pushed this patch I decided to have a look as well.
> I wanted to see if mbedtls would work for me too.
> I haven't made a FFmpeg build yet to test, because the excerpt above (in
> 'configure') doesn't look right and configuring FFmpeg returns lots of
> undefined references.
>
> First of all, there's no pkg-config file at all. Almost 3 years ago someone
> requested it (https://github.com/ARMmbed/mbedtls/issues/228), but as far as I
> can see it hasn't been implemented yet. So, I really don't understand why you
> added the 2 check_pkg_config lines.
> Secondly, the check_lib line also needs -lmbedx509 and -lmbedcrypto!
>
> -lmbedtls, the most important one obviously, prevents a "undefined reference
> to `mbedtls_ssl_init'", but...
> -lmbedx509 is also needed, because otherwise you'd get "undefined reference
> to `mbedtls_x509_crt_init'" and several "undefined reference to
> `mbedtls_x509_crt_[...]'".
> -lmbedcrypto is also needed, because otherwise you'd get LOTS of "undefined
> reference to `mbedtls_[...]'"; from "undefined reference to
> `mbedtls_sha256_init'" to "undefined reference to `mbedtls_pem_init'"!
>
> The following patch works for me:
>
> diff --git a/configure b/configure
> index 09ff0c5..6014e03 100755
> --- a/configure
> +++ b/configure
> @@ -6111,9 +6111,7 @@ enabled libzvbi && require_pkg_config libzvbi
> zvbi-0.2 libzvbi.h vbi_d
> { test_cpp_condition libzvbi.h
> "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 &&
> VBI_VERSION_MICRO >= 28" ||
> enabled gpl || die "ERROR: libzvbi requires
> version 0.2.28 or --enable-gpl."; }
> enabled libxml2 && require_pkg_config libxml2 libxml-2.0
> libxml2/libxml/xmlversion.h xmlCheckVersion
> -enabled mbedtls && { check_pkg_config mbedtls mbedtls
> mbedtls/x509_crt.h mbedtls_x509_crt_init ||
> - check_pkg_config mbedtls mbedtls
> mbedtls/ssl.h mbedtls_ssl_init ||
> - check_lib mbedtls mbedtls/ssl.h
> mbedtls_ssl_init -lmbedtls ||
> +enabled mbedtls && { check_lib mbedtls mbedtls/ssl.h
> mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||
> die "ERROR: mbedTLS not found"; }
> enabled mediacodec && { enabled jni || die "ERROR: mediacodec
> requires --enable-jni"; }
> enabled mmal && { check_lib mmal interface/mmal/mmal.h
> mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
>
> Also note that the order is important, because with -lmbedtls -lmbedcrypto
> -lmbedx509 you'd get: "undefined reference to `mbedtls_pk_parse_subpubkey'"
> and "undefined reference to `mbedtls_pk_load_file'".
>
> (If it matters, I'm cross-compiling on Windows using Cygwin, MinGW and GCC).
>
> -- Reino
*Ping* at Thomas Volkert, or anyone else responsible for this.
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