[blfs-dev] GTK+ build failure: No package 'wayland-egl' found

Paul Menzel pmenzel at molgen.mpg.de
Thu Dec 7 07:14:09 PST 2017


Dear BLFS folks,


On 12/07/17 16:04, Paul Menzel wrote:

> Trying to build GTK+ 3.22.26 [1] with the Wayland backend enabled, it 
> fails with the error below.
> 
> ```
> $ /dev/shm/bee-root/gtk+/gtk+-3.22.26-0/source/configure --prefix=/usr 
> --bindir=/usr/bin --sbindir=/usr/sbin --libexecdir=/usr/libexec 
> --sysconfdir=/etc --sharedstatedir=/var --localstatedir=/var 
> --libdir=/usr/lib --includedir=/usr/include --datarootdir=/usr/share 
> --datadir=/usr/share --infodir=/usr/share/info 
> --localedir=/usr/share/locale --mandir=/usr/share/man 
> --docdir=/usr/share/doc/gtk+ --exec-prefix=/usr --enable-introspection 
> --enable-wayland-backend --enable-xinerama --enable-x11-backend
> […]
> configure: error: Package requirements (pango pangocairo gdk-pixbuf-2.0 
>  >= 2.30.0 cairo >= 1.14.0 cairo-gobject >= 1.14.0 gio-unix-2.0 >= 
> 2.49.4 fontconfig x11 xext xinerama xi xrandr xcursor xfixes xcomposite 
> xdamage wayland-client >= 1.9.91 wayland-protocols >= 1.9 xkbcommon >= 
> 0.2.0 wayland-cursor >= 1.9.91 wayland-egl   cairo-xlib cairo epoxy >= 
> 1.0 ) were not met:
> 
> No package 'wayland-egl' found
> […]
> ```
> 
> Is the dependency on wayland-EGL missing in the book? I couldn’t find it 
> either on the Web searching with these keywords.

The GTK+ commit [2] gives the hint, that it’s part of Mesa [3]. But I 
built Mesa with the Wayland backend.

```
… --enable-gles1 --enable-gles2 --enable-osmesa --enable-xa 
--enable-glx-tls --with-llvm-shared-libs 
--with--platforms=drm,x11,wayland 
--with-gallium-drivers=nouveau,r600,radeonsi,svga,swrast 
--with-vulkan-drivers=intel,radeon …
```

If build with `DESTDIR` the files seem to be built but not installed.

All files with *egl* in them. Nothing shows up with *wayland*.

```
/usr/lib/pkgconfig/egl.pc
/usr/include/EGL/eglplatform.h
/usr/include/EGL/eglmesaext.h
/usr/include/EGL/eglextchromium.h
/usr/include/EGL/egl.h
/usr/include/EGL/eglext.h
/usr/include/GLES/egl.h
```

I’ll look into this. To make something good out of it, could you please 
extend the note in the Mesa chapter, that Wayland is also needed for 
GTK+? Currently there is only Plasma and LXQt mentioned.

 > Add wayland to the --with-platforms switch below if you plan on
 > building Plasma-5.10.5 or LXQt.


Kind regards,

Paul


> [1] http://www.linuxfromscratch.org/blfs/view/svn/x/gtk3.html
[2] 
https://git.gnome.org/browse/gtk+/commit/?id=86ff51b8427ff43ef681cd4a53b06a0557560064
[3] http://www.linuxfromscratch.org/blfs/view/svn/x/mesa.html

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