[Mesa-dev] Mesa (master): EGL: Implement the libglvnd interface for EGL (v3)

[Brian Paul]

On 04/17/2017 07:34 AM, Emil Velikov wrote:
> Module: Mesa
> Branch: master
> Commit: ce562f9e3fab769d64b0e5453ec2b4f8710a31ce
> URL:    https://urldefense.proofpoint.com/v2/url?u=http-3A__cgit.freedesktop.org_mesa_mesa_commit_-3Fid-3Dce562f9e3fab769d64b0e5453ec2b4f8710a31ce&d=DwIGaQ&c=uilaK90D4TOVoH58JNXRgQ&r=Ie7_encNUsqxbSRbqbNgofw0ITcfE8JKfaUjIQhncGA&m=Ds3k6rGGKUw1azY-6PwRSbT8_barIkKrpFEb5MgLHjM&s=4kQ3DN9Ehflpps_falc-HyFLfFgctDCTsD87JMnF4K8&e=
>
> Author: Kyle Brenneman <kbrenneman at nvidia.com>
> Date:   Wed Jan  4 11:31:58 2017 -0700
>
> EGL: Implement the libglvnd interface for EGL (v3)
>
> The new interface mostly just sits on top of the existing library.
>
> The only change to the existing EGL code is to split the client
> extension string into platform extensions and everything else. On
> non-glvnd builds, eglQueryString will just concatenate the two strings.
>
> The EGL dispatch stubs are all generated. The script is based on the one
> used to generate entrypoints in libglvnd itself.
>
> v2: [Kyle]
>   - Rebased against master.
>   - Reworked the EGL makefile to use separate libraries
>   - Made the EGL code generation scripts work with Python 2 and 3.
>   - Change gen_egl_dispatch.py to use argparse for the command line arguments.
>   - Assorted formatting and style cleanup in the Python scripts.
>
> v3: [Emil Velikov]
>   - Rebase
>   - Remove separate glvnd glx/egl configure toggles
>
> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
>

This breaks my build:

./autogen.sh CFLAGS="-g -O0" CXXFLAGS="-g -O0" --enable-debug 
--enable-glx=gallium-xlib --disable-driglx-direct --disable-dri 
--enable-osmesa --with-gallium-drivers=swrast,svga --disable-xvmc 
--disable-gbm --disable-egl
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4
autoreconf: configure.ac: tracing
autoreconf: running: libtoolize --copy --force
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, `bin'.
libtoolize: copying file `bin/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
libtoolize: copying file `m4/libtool.m4'
libtoolize: copying file `m4/ltoptions.m4'
libtoolize: copying file `m4/ltsugar.m4'
libtoolize: copying file `m4/ltversion.m4'
libtoolize: copying file `m4/lt~obsolete.m4'
autoreconf: running: /usr/bin/autoconf --force
configure.ac:1370: error: possibly undefined macro: PKG_CHECK_VAR
       If this token and others are legitimate, please use m4_pattern_allow.
       See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1


We reverted a couple patches that used PKG_CHECK_VAR last month:

https://lists.freedesktop.org/archives/mesa-dev/2017-March/147054.html

Kyle, is there some way you can work around using PKG_CHECK_VAR?

-Brian