Hello Konke,
On 7/27/12 4:27 PM, Konke Radlow wrote:
> changing the condition in the library header from
>> #if __GNUC__ >= 4
>> #define LIBV4L_PUBLIC __attribute__ ((visibility("default")))
>> #else
>> #define LIBV4L_PUBLIC
>> #endif
>
> to
>> #if HAVE_VISIBILITY
>> #define LIBV4L_PUBLIC __attribute__ ((visibility("default")))
>> #else
>> #define LIBV4L_PUBLIC
>> #endif
>
> causes linker problems for me. The public library functions can no longer be
> found. I cannot figure out why it's working for programs using libv4l2.la but
> not for programs using libv4l2rds.la
You need to include <config.h> before including this file in the utility
and library to get the HAVE_VISIBILITY definition activated.
The other option would be switching from defining HAVE_VISIBILITY in
config.h to a command line define.
Thanks,
Gregor
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