configure.ac: check for a good enough version of libv4l1.h (try 2)

[Alexandre Julliard]

Damjan Jovanovic <damjan.jov at gmail.com> writes:

> @@ -676,6 +676,22 @@ AC_CHECK_HEADERS([linux/videodev.h linux/videodev2.h libv4l1.h],,,
>  #include <asm/types.h>
>  #endif])
>  
> +dnl **** Check for libv4l1.h ****
> +if test "x$with_v4l" != "xno"
> +then
> +    ac_save_CPPFLAGS="$CPPFLAGS"
> +    if test "$PKG_CONFIG" != "false"
> +    then
> +        ac_libv4l1_libs="`$PKG_CONFIG --libs libv4l1 2>/dev/null`"
> +        ac_libv4l1_cflags="`$PKG_CONFIG --cflags libv4l1 2>/dev/null`"
> +        CPPFLAGS="$CPPFLAGS $ac_libv4l1_cflags"
> +        AC_CHECK_TYPES([struct video_picture],,,[#include <libv4l1.h>])
> +    fi
> +    CPPFLAGS="$ac_save_CPPFLAGS"
> +    WINE_NOTICE_WITH(libv4l1,[test "x$ac_cv_type_struct_video_picture" = "x"],
> +        [libv4l1 ${notice_platform}development files not found or too old.])
> +fi

It doesn't make sense to use pkg-config for the test since we don't use
it when including the header.

-- 
Alexandre Julliard
julliard at winehq.org