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fix(gamepad): build libevdev from a vendored copy

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The Linux gamepad backend included <libevdev/libevdev.h> from
/usr/include/libevdev-1.0 and linked the system libevdev, but the
Flatpak SDK crafter-build runs in (org.freedesktop.Sdk 26.08) ships no
libevdev headers, so Crafter.Graphics stopped building there.
lib/libevdev now carries libevdev 1.14.0 (MIT), built once as its own
static library that Crafter.Graphics depends on. As part of cfg it would
be compiled again in every test configuration, since they copy
cfg.cFiles.

libevdev's generated event-names.h names every input code by its macro,
so the library compiles against the kernel input headers that table was
generated from (lib/libevdev/kernel-headers), not the target's. That
directory is deliberately not called include: Crafter.Build puts every
include directory of a dependency on its consumers' include path, where
those headers would shadow each consumer's own <linux/input.h>. The
paths are absolute because Crafter.Build only resolves the returned
configuration's paths against the project root.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jorijn van der Graaf 2026-10-19 03:03:16 +02:00
commit dfb70bc088
Signed by: jorijnvdgraaf
GPG key ID: 2937E59CDCC1BCFB
14 changed files with 8515 additions and 5 deletions
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32
lib/libevdev/COPYING Normal file
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SPDX-License-Identifier: MIT
Copyright © 2013 Red Hat, Inc.
Copyright © 2013 David Herrmann <dh.herrmann@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.
The following license is from a Linux kernel header file and there is no GPL
code this package links to.
Copyright (c) 1999-2002 Vojtech Pavlik
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as published by
the Free Software Foundation.