On Mon, 30 Mar 2020, Bruce Dubbs via blfs-dev wrote:
On 3/30/20 1:50 PM, Ryan Marsaw via blfs-dev wrote:
Hello all.
When building v4l-utils per BLFS instructions I get the following at the
configure stage:
[...]
checking for SDL2... no
[...]
The only way I could get v4l-utils to recognize SDL2 was to set
SDL2_LIBS and SDL2_CFLAGS:
SDL2_LIBS=/usr/lib SDL2_CFLAGS=/usr/include/SDL2 ./configure ...
Can anyone else confirm this?
Did you try running ldconfig?
-- Bruce
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Hi Bruce.
It appears the reason SDL2 wasn't being picked up by v4l-utils is that
it checks for SDL2 as well as SDL_image, which is a separate package:
https://www.libsdl.org/projects/SDL_image/
I installed SDL_image and v4l-utils was then able to detect SDL2 as per
BLFS instructions.
Perhaps a note on the v4l-utils page should mention that SDL_image is
required in order to have SDL2 support.
Cheers,
--Ryan
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