Before this change, the xwayland pkgconfig file will always contain an
includedir directive, even though xwayland is not a linkable shared
library:
prefix=/nix/store/3spcjqp5zcyg8arz6dnsj59fal5yk3jy-xwayland-23.2.6
includedir=${prefix}/include
exec_prefix=${prefix}
xwayland=/nix/store/3spcjqp5zcyg8arz6dnsj59fal5yk3jy-xwayland-23.2.6/bin/Xwayland
[…]
Cflags: -I${includedir}
According to a bug reporter this trips up cmake [1], which expects that
the include directory exists, which it does not since xwayland does not
install any header files.
Add the dataonly directive to pkgsconfig.generate() which will remove
the default "." subdir and ensures that includedir is not set inside the
pkgconfig file. Additionally enforce the install directory to
$libdir/pkgconfig, since it otherwise will be installed to
$datadir/pkgconfig, which precludes programs from finding the pkgconfig
because share/pkgconfig is usually not included in the search path.
The resulting pkgconfig does not contain an includedir:
prefix=/nix/store/p7xhdzl65hfhzf36vxykzp2i9cyy7y6c-xwayland-23.2.6
exec_prefix=${prefix}
xwayland=/nix/store/p7xhdzl65hfhzf36vxykzp2i9cyy7y6c-xwayland-23.2.6/bin/Xwayland
have_glamor=true
have_eglstream=true
have_initfd=true
have_listenfd=true
have_verbose=true
have_terminate_delay=true
have_no_touch_pointer_emulation=true
have_force_xrandr_emulation=true
have_geometry=true
have_fullscreen=true
have_host_grab=true
have_decorate=false
have_enable_ei_portal=true
have_byteswappedclients=true
Name: Xwayland
Description: X Server for Wayland
Version: 23.2.6
[1]: https://github.com/NixOS/nixpkgs/pull/309075#issuecomment-2108381428
Signed-off-by: Rouven Czerwinski <rouven@czerwinskis.de>
Reviewed-by: Olivier Fourdan <ofourdan@redhat.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1543>
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