[Intel-gfx] [PATCH 2/2] configure.ac: Do not include `x11-xcb`, `xcb-dri2` and `xcb-aux` in `XVMCLIB`

[Paul Menzel]

Am Montag, den 04.02.2013, 22:28 +0100 schrieb Julien Cristau:
> On Sun, Feb  3, 2013 at 13:29:04 +0100, Paul Menzel wrote:
> 
> > I was surprised too that no error was generated. Do you have any idea
> > why compilations succeeds?
>
> Fails to build here with
> ../../../src/xvmc/intel_xvmc.c:29:25: fatal error: xcb/xcb_aux.h: No such file or directory

I wonder where our build environments differ.

> Also, shared libraries, as opposed to executable binaries, are allowed
> to have undefined symbols.

Sorry, as I cannot range in this comment, could you please elaborate.

> Try this:
> 
> -libIntelXvMC_la_LDFLAGS = -version-number 1:0:0
> +libIntelXvMC_la_LDFLAGS = -version-number 1:0:0 -Wl,-z,defs

Thanks. With these flags/switches the build indeed fails. (Reading `man
ld` was also helpful to me.)

        […]
        CC     intel_batchbuffer.lo
        CCLD   libIntelXvMC.la
        .libs/intel_xvmc.o: In function `XvMCCreateContext':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:282: undefined reference to `XFree'
        .libs/intel_xvmc.o: In function `dri2_connect':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:131: undefined reference to `XGetXCBConnection'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:137: undefined reference to `xcb_aux_get_screen'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:139: undefined reference to `xcb_dri2_id'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:139: undefined reference to `xcb_get_extension_dat
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:147: undefined reference to `xcb_dri2_query_versio
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:148: undefined reference to `xcb_dri2_connect'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:150: undefined reference to `xcb_dri2_query_versio
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:152: undefined reference to `xcb_dri2_connect_repl
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:160: undefined reference to `xcb_dri2_connect_devi
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:166: undefined reference to `xcb_dri2_connect_devi
        .libs/intel_xvmc.o: In function `XvMCCreateContext':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:301: undefined reference to `XFree'
        .libs/intel_xvmc.o: In function `dri2_connect':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:181: undefined reference to `xcb_dri2_authenticate
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:182: undefined reference to `xcb_dri2_authenticate
        .libs/intel_xvmc.o: In function `XvMCCreateContext':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:323: undefined reference to `XFree'
        .libs/intel_xvmc.o: In function `XvMCCreateSurface':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:407: undefined reference to `XFree'
        .libs/intel_xvmc.o: In function `XvMCDestroySurface':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:458: undefined reference to `XFree'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:460: undefined reference to `XFreeGC'
        .libs/intel_xvmc.o: In function `XvMCPutSurface':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:651: undefined reference to `XFreeGC'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:652: undefined reference to `XCreateGC'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/intel_xvmc.c:648: undefined reference to `XCreateGC'
        .libs/i915_xvmc.o: In function `i915_xvmc_mc_create_context':
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/i915_xvmc.c:915: undefined reference to `XFree'
        /src/xserver-xorg-video-intel/build/src/xvmc/../../../src/xvmc/i915_xvmc.c:933: undefined reference to `XFree'
        collect2: error: ld returned 1 exit status
        make[5]: *** [libIntelXvMC.la] Fehler 1
        […]


Thanks,

Paul
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