[Buildroot] [PATCH v2] sdl: overwrite libpth autodetection

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

Hello Baruch,

On Thu, 19 Nov 2015 23:33:46 +0200, Baruch Siach <baruch@tkos.co.il> wrote:

> Hi Peter,
> 
> On Thu, Nov 19, 2015 at 10:30:33PM +0100, Peter Seiderer wrote:
> > The sdl libpth autodetection gets confused in case a host
> > version is present. Overwrite libpth autodection for the
> > target build dependent on BR2_PACKAGE_LIBPTHSEM and
> > BR2_PACKAGE_LIBPTHSEM_COMPAT and use pth-config from
> > staging directory.
> > 
> > Fixes [1]:
> > 
> > checking for pthreads... no
> > checking for pth-config... /usr/bin/pth-config
> > checking pth... yes
> > [...]
> > ./src/SDL.c:33:17: fatal error: pth.h: No such file or directory
> >  #include <pth.h>
> > 
> > [1] http://autobuild.buildroot.net/results/733/73330e51b3c099d179004db0b9522ac13358b8f7
> > 
> > Signed-off-by: Peter Seiderer <ps.report@gmx.net>
> > ---
> > Changes v1 -> v2:
> >   - add SDL_DEPENDENCIES += libpthsem (suggested by Baruch Siach)
> >   - fix libpth enable logic, needs BR2_PACKAGE_LIBPTHSEM and BR2_PACKAGE_LIBPTHSEM_COMPAT
> >   - overwrite ac_cv_path_PTH_CONFIG to use the right pth-config from
> >     staging dir
> > ---
> >  package/sdl/sdl.mk | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/package/sdl/sdl.mk b/package/sdl/sdl.mk
> > index 78eb4dd..e976905 100644
> > --- a/package/sdl/sdl.mk
> > +++ b/package/sdl/sdl.mk
> > @@ -58,6 +58,15 @@ ifneq ($(BR2_USE_MMU),y)
> >  SDL_CONF_OPTS += --enable-dga=no
> >  endif
> >  
> > +# overwrite autodection (prevents confusion with host libpth version)
> > +ifeq ($(BR2_PACKAGE_LIBPTHSEM)$(BR2_PACKAGE_LIBPTHSEM_COMPAT),yy)
> 
> Testing for BR2_PACKAGE_LIBPTHSEM_COMPAT alone should be enough since 
> BR2_PACKAGE_LIBPTHSEM_COMPAT depends on BR2_PACKAGE_LIBPTHSEM.
> 

O.k, will send patch v3 soon...

Thanks for review...

Regards,
Peter

> > +SDL_CONF_OPTS += --enable-pth
> > +SDL_CONF_ENV += ac_cv_path_PTH_CONFIG=$(STAGING_DIR)/usr/bin/pth-config
> > +SDL_DEPENDENCIES += libpthsem
> > +else
> > +SDL_CONF_OPTS += --disable-pth
> > +endif
> > +
> >  ifeq ($(BR2_PACKAGE_TSLIB),y)
> >  SDL_DEPENDENCIES += tslib
> >  endif
> 
> baruch
>