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

[Baruch Siach <baruch@tkos.co.il>]

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.

> +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

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
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