i965 (sandy-bridge): mesa-git DRI drivers is not linked against libdrm-git (libdrm_intel.so)

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On Sun, Jan 20, 2013 at 2:30 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote:
> Hi,
>
> I am here on Ubuntu/precise AMD64.
>
> With the attached scripts I can't use a i965_dri.so for example from
> gles3 GIT tree.
>
> First, I have built libdrm-2.4.41, installed and ldconfig-ed it before
> building mesa.
>
> I have chosen a classic XORG prefix!
>
> [ /etc/ld.so.conf.d/xorg.conf ]
>
> # Xorg lib configuration
> /opt/xorg/lib
>
> For the build of mesa I have suppressed generating any GALLIUM driver
> as there exists AFAICS none for the Intel sandy-bridge GPU.
> But I am building the i965 classic MESA/DRI driver!
>
> [ build_mesa.sh ]
> ...
> DRI_DRIVERS="i965"
> GALLIUM_DRIVERS=""
> ...
> DRI_CFG_OPTS="--with-dri-drivers=$DRI_DRIVERS"
> GALLIUM_CFG_OPTS="--with-gallium-drivers=$GALLIUM_DRIVERS"
> ...
> [ /build_mesa.sh ]
>
> For the build of mesa I have these EXPORTS (Thanks Peter [1]):
>
> ### Set prefix for XORG installation
> PREFIX="/opt/xorg"
>
> ### Export some useful XORG settings
> export PKG_CONFIG_PATH="$PREFIX/lib/pkgconfig"
> export LD_LIBRARY_PATH="$PREFIX/lib"
> export LDFLAGS="-L$PREFIX/lib"
> export PATH="$PREFIX/bin:$PATH"
>
> NOTE: I have thrown away any development packages like libdrm-dev
> which could have caused PKGCONFIG troubles.
>
> When I am checking the OPENGL version, I get this:
>
> $ LIBGL_DEBUG=verbose LIBGL_DRIVERS_PATH=/opt/xorg/lib/dri glxinfo |
> grep -i opengl
> libGL: OpenDriver: trying /opt/xorg/lib/dri/tls/i965_dri.so
> libGL: OpenDriver: trying /opt/xorg/lib/dri/i965_dri.so
> libGL error: dlopen /opt/xorg/lib/dri/i965_dri.so failed
> (/opt/xorg/lib/dri/i965_dri.so: undefined symbol:
> drm_intel_gem_context_create) <--- THIS IS DEFINED IN NEW LIBDRM!
> libGL error: unable to load driver: i965_dri.so
> libGL error: driver pointer missing
> libGL: OpenDriver: trying /opt/xorg/lib/dri/tls/swrast_dri.so
> libGL: OpenDriver: trying /opt/xorg/lib/dri/swrast_dri.so
> libGL error: dlopen /opt/xorg/lib/dri/swrast_dri.so failed
> (/opt/xorg/lib/dri/swrast_dri.so: cannot open shared object file: No
> such file or directory)
> libGL error: unable to load driver: swrast_dri.so
> libGL error: reverting to indirect rendering
> OpenGL vendor string: Tungsten Graphics, Inc
> OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile
> OpenGL version string: 1.4 (3.0 Mesa 8.0.4) <--- FALLBACK TO UBUNTUS
> ORIGINAL MESA!
> OpenGL extensions:
>
> Investigating deeper with LDD:
>
> $ sudo ldd /opt/xorg/lib/dri/i965_dri.so | egrep 'libdri|libdrm|libkm'
>         libdricore9.0.1.so.1 => /opt/xorg/lib/libdricore9.0.1.so.1
> (0x00007fe4a2f37000)
>         libdrm_intel.so.1 =>
> /usr/lib/x86_64-linux-gnu/libdrm_intel.so.1 (0x00007fe4a26ce000)
>         libdrm.so.2 => /usr/lib/x86_64-linux-gnu/libdrm.so.2
> (0x00007fe4a24c2000)
>
> Investigating harder with nm:
>
> $ nm /opt/xorg/lib/libdrm_intel.so | grep drm_intel_gem_context_create
> 0000000000009ab0 T drm_intel_gem_context_create
>
> OK, so my NEW i965_dri.so was not built against NEW libdrm.
> But why the hell it is not?
>
> Do I need to build a new DDX (xf86-video-intel), too?
> Or is other software missing?
>
> /me -> CONFUSED as building mesa-8.0.5 with cherry-picked LLVM patches
> from upstream [2] worked here!
>
> As a sidenote: I am building here with LLVM/CLANG v3.2 if this matters.
>
> Any help appreciated!
>
> Regards,
> - Sedat -
>
> P.S.: When I am building swrast (llvmpipe) GALLIUM driver that works.
>
> [1] http://who-t.blogspot.de/2009/04/my-workflow.html
> [2] http://lists.freedesktop.org/archives/dri-devel/2013-January/033614.html

Having a look at config.log:

$ egrep -i 'libdrm|intel|libkms' config.log | egrep
'^ac_cv_env|^pkg_cv|^INTEL|^LIB'
ac_cv_env_INTEL_CFLAGS_set=
ac_cv_env_INTEL_CFLAGS_value=
ac_cv_env_INTEL_LIBS_set=
ac_cv_env_INTEL_LIBS_value=
ac_cv_env_LIBDRM_CFLAGS_set=
ac_cv_env_LIBDRM_CFLAGS_value=
ac_cv_env_LIBDRM_LIBS_set=
ac_cv_env_LIBDRM_LIBS_value=
ac_cv_env_LIBDRM_XORG_CFLAGS_set=
ac_cv_env_LIBDRM_XORG_CFLAGS_value=
ac_cv_env_LIBDRM_XORG_LIBS_set=
ac_cv_env_LIBDRM_XORG_LIBS_value=
ac_cv_env_LIBKMS_XORG_CFLAGS_set=
ac_cv_env_LIBKMS_XORG_CFLAGS_value=
ac_cv_env_LIBKMS_XORG_LIBS_set=
ac_cv_env_LIBKMS_XORG_LIBS_value=
pkg_cv_INTEL_CFLAGS='-I/opt/xorg/include -I/opt/xorg/include/libdrm  '
pkg_cv_INTEL_LIBS='-L/opt/xorg/lib -ldrm_intel -ldrm  '
pkg_cv_LIBDRM_CFLAGS='-I/opt/xorg/include -I/opt/xorg/include/libdrm  '
pkg_cv_LIBDRM_LIBS='-L/opt/xorg/lib -ldrm  '
INTEL_CFLAGS='-I/opt/xorg/include -I/opt/xorg/include/libdrm  '
INTEL_LIBS='-L/opt/xorg/lib -ldrm_intel -ldrm  '
LIBDRM_CFLAGS='-I/opt/xorg/include -I/opt/xorg/include/libdrm  '
LIBDRM_LIBS='-L/opt/xorg/lib -ldrm  '
LIBDRM_XORG_CFLAGS=''
LIBDRM_XORG_LIBS=''
LIBKMS_XORG_CFLAGS=''
LIBKMS_XORG_LIBS=''

- Sedat -


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