On Tue, 2014-07-29 at 01:02 -0700, Robert Yang wrote:
> Fixed do_configure error:
>
> ERROR: User requested feature sdl
> configure was not able to find it.
> Install SDL devel
>
> The error message from log.do_configure, and if we check config.log, the
> error is:
>
> sysroots/x86_64-linux/usr/lib/libXext.so.6: undefined reference to
> `_XEatDataWords'
>
> The _XEatDataWords is provided by libX11.so, the dependencies are:
>
> qemu-native -> sdl(from the host) -> libXext.so(maybe host or native) ->
> libX11.so (maybe host or native)
>
> For example on Ubuntu 12.04 x86_64, the link route is:
>
> qemu-native's do_configure sdl checking:
> /usr/lib/x86_64-linux-gnu/libSDL.so -->
> <sysroots>/x86_64-linux/usr/lib/libXext.so.6 -->
> /usr/lib/x86_64-linux-gnu/libX11.so
>
> So it is:
> host sdl -> sysroot libXext.so.6 -> host X11.so
>
> qemu-native doesn't depend on libxext-native, so the error would happen
> if the libx11-native is being rebuilding and the host's libX11.so
> doesn't have _XEatDataWords.
>
> Manually reproduce it on Ubuntu 12.04 x86_64:
>
> $ bitbake qemu-native libx11-native libxext-native
> $ bitbake qemu-native libx11-native -ccleansstate && bitbake qemu-native
>
> Note, only qemu-native has this problem since libxext depends on libX11,
> and SDL would depend on libxext when x11 is enabled.
>
> Signed-off-by: Robert Yang <liezhi.y...@windriver.com>
> ---
> meta/recipes-devtools/qemu/qemu.inc | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/meta/recipes-devtools/qemu/qemu.inc
> b/meta/recipes-devtools/qemu/qemu.inc
> index 3cb8536..1287e09 100644
> --- a/meta/recipes-devtools/qemu/qemu.inc
> +++ b/meta/recipes-devtools/qemu/qemu.inc
> @@ -98,10 +98,13 @@ PACKAGECONFIG[uuid] =
> "--enable-uuid,--disable-uuid,util-linux,"
> PACKAGECONFIG[curses] = "--enable-curses,--disable-curses,ncurses,"
> PACKAGECONFIG[gtk+] = "--enable-gtk,--disable-gtk,gtk+ libvte,"
> PACKAGECONFIG[libcap-ng] = "--enable-cap-ng,--disable-cap-ng,libcap-ng,"
> -PACKAGECONFIG[sdl] = "--enable-sdl,--disable-sdl,libsdl,"
> PACKAGECONFIG[ssh2] = "--enable-libssh2,--disable-libssh2,libssh2,"
> PACKAGECONFIG[libusb] = "--enable-libusb,--disable-libusb,libusb1"
>
Can't we just make this:
PACKAGECONFIG[sdl] = "--enable-sdl,--disable-sdl,libsdl libxext,"
?
As far as I can tell that should also avoid the problem? We'd obviously
need a comment to explain it?
Cheers,
Richard
> +NATIVEDEPS = ""
> +NATIVEDEPS_class-native = "libxext-native"
> +PACKAGECONFIG[sdl] = "--enable-sdl,--disable-sdl,libsdl ${NATIVEDEPS},"
> +
> # Qemu target will not build in world build for ARM or Mips
> BROKEN_qemuarm = "1"
> BROKEN_qemumips64 = "1"
> --
> 1.7.9.5
>
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