[FFmpeg-devel] [PATCH] Fix static linking openssl library

[Alexandr Topilski]

Hi, i also wait you replay in attach you can find config.log, this
reproduced only on raspbian os, i used clean system. On Armbian, Debian
builded with ssl support without issues.


BR, Alex

On Sat, Jun 10, 2017 at 3:51 PM, Alexandr Topilski <atopilski at gmail.com>
wrote:

> Hi, on my machine i have built openssl libraries in static mode only,
> after that i want to build ffmpeg library with https protocol support and
> configuration failed (undefined reference to 'dlopen') in check_lib
> openssl because for linking needed dl library, if linked .so libraries
> first check(check_lib openssl openssl/ssl.h SSL_library_init -lssl
> -lcrypto) successful.
> ldd output is:
> ldd /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
>     linux-vdso.so.1 =>  (0x00007fff82a6a000)
>     libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f6795038000)
>     libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f6794c70000)
>     /lib64/ld-linux-x86-64.so.2 (0x0000562ba7b11000)
>
> small description of issue: https://github.com/FFmpeg/FFmpeg/pull/261
>
> On Sat, Jun 10, 2017 at 2:38 PM, Ricardo Constantino <wiiaboo at gmail.com>
> wrote:
>
>> On 10 June 2017 at 09:13, <atopilski at gmail.com> wrote:
>>
>> > From: topilski <atopilski at gmail.com>
>> >
>> > ---
>> >  configure | 1 +
>> >  1 file changed, 1 insertion(+)
>> >
>> > diff --git a/configure b/configure
>> > index 4ec8f21..c92dd1f 100755
>> > --- a/configure
>> > +++ b/configure
>> > @@ -5942,6 +5942,7 @@ enabled omx               && { check_header
>> > OMX_Core.h || die "ERROR: OpenMAX IL
>> >  enabled openssl           && { use_pkg_config openssl openssl/ssl.h
>> > OPENSSL_init_ssl ||
>> >                                 use_pkg_config openssl openssl/ssl.h
>> > SSL_library_init ||
>> >                                 check_lib openssl openssl/ssl.h
>> > SSL_library_init -lssl -lcrypto ||
>> > +                               check_lib openssl openssl/ssl.h
>> > SSL_library_init -lssl -lcrypto -ldl ||
>> >
>>
>> Why not just use the pkg-config with the proper --static flag?
>>
>>
>> >                                 check_lib openssl openssl/ssl.h
>> > SSL_library_init -lssl32 -leay32 ||
>> >                                 check_lib openssl openssl/ssl.h
>> > SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
>> >                                 die "ERROR: openssl not found"; }
>> > --
>> > 2.10.2
>> >
>> > _______________________________________________
>> > ffmpeg-devel mailing list
>> > ffmpeg-devel at ffmpeg.org
>> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>> >
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>
>
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