Bug#842513: vlc: immediate crash on launch on powerpc

[Sebastian Ramacher]

On 2016-11-03 13:58:58, Lennart Sorensen wrote:
> On Tue, Nov 01, 2016 at 01:42:17PM -0400, Lennart Sorensen wrote:
> > Well that looks like it only adds it for libvlccore.
> 
> So at least something like this is needed, but I think the VLCCORE is
> wrong too, and maybe the deinterlace has to be moved to only merge.c
> rather than all of deinterlace.
> 
> --- configure.ac.orig   2016-11-03 13:56:25.826878272 -0400
> +++ configure.ac        2016-11-03 13:56:55.558878272 -0400
> @@ -1431,7 +1431,6 @@
>        ac_cv_c_altivec="no"
>      ])
>    ])
> -  VLC_RESTORE_FLAGS
>    AS_IF([test "${ac_cv_c_altivec}" != "no"], [
>      CPPFLAGS="${CPPFLAGS} ${ac_cv_c_altivec}"
>      AC_DEFINE(CAN_COMPILE_C_ALTIVEC, 1, [Define to 1 if C AltiVec extensions are available.])
> @@ -1441,6 +1440,7 @@
>      have_altivec="yes"
>    ])
>    AC_CHECK_HEADERS(altivec.h)
> +  VLC_RESTORE_FLAGS
>  
>    VLC_SAVE_FLAGS
>    LDFLAGS="${LDFLAGS} -Wl,-framework,vecLib"
> 
> The CPPFLAGS are being clobbered with the -maltivec, which is only needed
> when testing altivec.h, and should be removed again after that.
> 
> That removes the -maltivec that was showing up everywhere at least, and
> now it is only in a few places, although perhaps still a few too many.

Please get this (and any follow-up patches) integrated upstream. See
https://wiki.videolan.org/Sending_Patches/ for details.

Cheers
-- 
Sebastian Ramacher