[Buildroot] [RFC v1] libv4l: build utils only on MMU (with fork support) platforms

[Peter Seiderer <ps.report@gmx.net>]

Hello Hugues,

On Mon, 24 Jul 2017 19:38:22 +0200, Peter Seiderer <ps.report@gmx.net> wrote:

> Hello Hugues,
> 
> On Mon, 24 Jul 2017 08:08:45 +0000, Hugues FRUCHET <hugues.fruchet@st.com> wrote:
> 
> > Hi Peter,
> > 
> > Sorry, typo in patch, this one should work as expected.
> > 
> > Best regards,
> > Hugues.
> > 
> 
> Yes, the new version of the patch works:
> 
> 	$ make libv4l
> [...]
> Applying 0010-configure.ac-disable-libv4l-if-no-fork.patch using patch:
> [...]
> compile time options summary
> ============================
> 
>     Host OS                    : linux-uclibc
>     X11                        : no
>     GL                         : no
>     glu                        : no
>     libjpeg                    :
>     libudev                    : no
>     pthread                    : yes
>     fork                       : no
>     QT version                 : none
>     ALSA support               : no
> 
>     build dynamic libs         : yes
>     build static libs          : no
> 
>     gconv                      : no
> 
>     libv4l                     : no
>     dynamic libv4l             : yes
>     v4l_plugins                : yes
>     v4l_wrappers               : yes
>     libdvbv5                   : no
>     dvbv5-daemon               : no
>     v4lutils                   : yes
>     qv4l2                      : no
>     v4l2-ctl uses libv4l       : yes
>     v4l2-compliance uses libv4l: yes
> [...]
> 
> 	$ ls -ltr target/usr/bin/
> [...]
> -rwxr-xr-x 1 seiderer users 259172 Jul 24 19:29 decode_tm6000
> -rwxr-xr-x 1 seiderer users  13988 Jul 24 19:29 ivtv-ctl
> -rwxr-xr-x 1 seiderer users 198868 Jul 24 19:29 ir-ctl
> -rwxr-xr-x 1 seiderer users  12240 Jul 24 19:29 cx18-ctl
> -rwxr-xr-x 1 seiderer users 215068 Jul 24 19:29 ir-keytable
> -rwxr-xr-x 1 seiderer users  53452 Jul 24 19:29 media-ctl
> -rwxr-xr-x 1 seiderer users 206532 Jul 24 19:29 v4l2-compliance
> -rwxr-xr-x 1 seiderer users 265676 Jul 24 19:29 v4l2-ctl
> -rwxr-xr-x 1 seiderer users 188496 Jul 24 19:29 v4l2-sysfs-path
> -rwxr-xr-x 1 seiderer users 154228 Jul 24 19:29 cec-ctl
> -rwxr-xr-x 1 seiderer users 122344 Jul 24 19:29 cec-compliance
> -rwxr-xr-x 1 seiderer users  69860 Jul 24 19:29 cec-follower
> 
> 	$ ls -ltr target/usr/lib
> drwxr-xr-x 3 seiderer users    4096 Jul 11 19:06 libv4l
> -rwxr-xr-x 1 seiderer users   39408 Jul 11 19:06 libv4l2.so.0.0.0
> -rwxr-xr-x 1 seiderer users   17032 Jul 11 19:06 libv4l1.so.0.0.0
> -rwxr-xr-x 1 seiderer users  105432 Jul 11 19:06 libv4lconvert.so.0.0.0
> -rwxr-xr-x 1 seiderer users   18384 Jul 11 19:06 libv4l2rds.so.0.0.0
> 

Ups, mind the timestamps, libraries are from a previous build...with your
patch no libraries are build/installed...

Regards,
Peter

> Thanks for your efforts...
> 
> Regards,
> Peter
>