alsa-lib ported to zig-build
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6 changed files with 224 additions and 0 deletions
2
.gitignore
vendored
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.gitignore
vendored
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.zig-cache/
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zig-out/
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11
.mise.toml
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11
.mise.toml
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[tools]
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zig = "0.15.1"
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zls = "0.15.0"
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pre-commit = "latest"
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"ubi:DonIsaac/zlint" = "latest"
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[hooks]
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enter = 'echo use "nix develop" if you want to build'
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[settings]
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experimental = true
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21
LICENSE
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LICENSE
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MIT License
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Copyright (c) 2025 Emil Lerch
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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0
README.md
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0
README.md
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172
build.zig
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172
build.zig
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const std = @import("std");
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pub fn build(b: *std.Build) void {
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const upstream = b.dependency("alsa-lib", .{});
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// Create config header matching autotools output
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const config = b.addConfigHeader(.{
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.style = .blank,
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.include_path = "config.h",
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}, .{
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.PACKAGE_NAME = "alsa-lib",
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.VERSION = "1.2.14",
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.HAVE_USELOCALE = 1,
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.HAVE_EACCESS = 1,
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.HAVE_ENDIAN_H = 1,
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.HAVE_SYS_SHM_H = 1,
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.HAVE_MALLOC_H = 1,
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.HAVE_LFS = 1,
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.HAVE_LIBDL = 1,
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.PIC = 1,
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.BUILD_PCM = "1",
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.BUILD_MIXER = "1",
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.BUILD_HWDEP = "1",
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.ALSA_DEVICE_DIRECTORY = "/dev/snd/",
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.ALSA_CONFIG_DIR = "/usr/share/alsa",
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.ALSA_PLUGIN_DIR = "/usr/lib/alsa-lib",
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.SND_MAX_CARDS = 32,
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.__SYMBOL_PREFIX = "",
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._GNU_SOURCE = 1,
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.HAVE_GNU_LD = 1,
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.HAVE_ELF = 1,
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.HAVE_ASM_PREVIOUS_DIRECTIVE = 1,
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});
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// Create version.h
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const version_h = b.addWriteFiles();
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_ = version_h.add("version.h",
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\\/*
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\\ * version.h
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\\ */
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\\
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\\#define SND_LIB_MAJOR 1 /**< major number of library version */
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\\#define SND_LIB_MINOR 2 /**< minor number of library version */
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\\#define SND_LIB_SUBMINOR 14 /**< subminor number of library version */
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\\#define SND_LIB_EXTRAVER 1000000 /**< extra version number, used mainly for betas */
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\\/** library version */
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\\#define SND_LIB_VER(maj, min, sub) (((maj)<<16)|((min)<<8)|(sub))
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\\#define SND_LIB_VERSION SND_LIB_VER(SND_LIB_MAJOR, SND_LIB_MINOR, SND_LIB_SUBMINOR)
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\\/** library version (string) */
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\\#define SND_LIB_VERSION_STR "1.2.14"
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\\
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);
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// Generate asoundlib.h
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const asoundlib_h = b.addWriteFiles();
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_ = asoundlib_h.add("asoundlib.h",
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\\/*
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\\ * ALSA library - main header file
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\\ */
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\\
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\\#ifndef __ALSA_ASOUNDLIB_H
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\\#define __ALSA_ASOUNDLIB_H
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\\
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\\#include <stdio.h>
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\\#include <stdlib.h>
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\\#include <string.h>
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\\#include <fcntl.h>
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\\#include <assert.h>
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\\#include <endian.h>
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\\#include <sys/poll.h>
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\\#include <errno.h>
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\\#include <stdint.h>
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\\#include <sys/types.h>
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\\#include <unistd.h>
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\\
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\\#include <alsa/asoundef.h>
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\\#include <alsa/version.h>
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\\#include <alsa/global.h>
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\\#include <alsa/input.h>
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\\#include <alsa/output.h>
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\\#include <alsa/error.h>
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\\#include <alsa/conf.h>
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\\#include <alsa/control.h>
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\\#include <alsa/pcm.h>
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\\
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\\#endif /* __ALSA_ASOUNDLIB_H */
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\\
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);
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const lib = b.addLibrary(.{
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.name = "asound",
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.linkage = .static,
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.root_module = b.createModule(.{
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.target = target,
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.optimize = optimize,
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.link_libc = true,
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}),
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});
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lib.addConfigHeader(config);
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lib.addIncludePath(upstream.path("include"));
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lib.addIncludePath(version_h.getDirectory());
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lib.addIncludePath(asoundlib_h.getDirectory());
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// Create alsa as symlink for the include directory. Not sure why upstream
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// does this, but since we're not using their scripts, we need to do that
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// as well
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const create_symlink = b.addSystemCommand(&.{ "sh", "-c", "rm -f alsa; ln -sf . alsa" });
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create_symlink.setCwd(upstream.path("include"));
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lib.step.dependOn(&create_symlink.step);
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lib.addCSourceFiles(.{
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.root = upstream.path(""),
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.files = &.{
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"src/conf.c",
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"src/confeval.c",
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"src/confmisc.c",
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"src/input.c",
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"src/output.c",
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"src/async.c",
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"src/error.c",
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"src/dlmisc.c",
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"src/socket.c",
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"src/shmarea.c",
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"src/userfile.c",
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"src/names.c",
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"src/control/control.c",
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"src/control/control_hw.c",
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"src/control/cards.c",
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"src/control/namehint.c",
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"src/control/hcontrol.c",
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"src/control/tlv.c",
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"src/control/setup.c",
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"src/control/ctlparse.c",
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"src/control/eld.c",
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"src/pcm/pcm.c",
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"src/pcm/pcm_hw.c",
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"src/pcm/pcm_params.c",
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"src/pcm/pcm_misc.c",
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"src/pcm/pcm_mmap.c",
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"src/pcm/mask.c",
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"src/pcm/interval.c",
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},
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.flags = &.{
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"-D_GNU_SOURCE",
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"-DALSA_LIBRARY_BUILD",
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},
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});
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lib.installHeadersDirectory(upstream.path("include"), "alsa", .{
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.include_extensions = &.{
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"asoundef.h",
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"version.h",
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"global.h",
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"input.h",
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"output.h",
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"error.h",
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"conf.h",
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"control.h",
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"pcm.h",
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},
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});
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// Install generated asoundlib.h and version.h
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lib.installHeader(asoundlib_h.getDirectory().path(b, "asoundlib.h"), "alsa/asoundlib.h");
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lib.installHeader(version_h.getDirectory().path(b, "version.h"), "alsa/version.h");
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b.installArtifact(lib);
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}
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18
build.zig.zon
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18
build.zig.zon
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.{
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.name = .alsa,
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.version = "1.2.14",
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.minimum_zig_version = "0.15.1",
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.fingerprint = 0xddb406c516c1eb8d,
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.dependencies = .{
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.@"alsa-lib" = .{
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.url = "git+https://github.com/alsa-project/alsa-lib?ref=v1.2.14#81d70a27136840fa8fb1bec6eb8e04fc1475a380",
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.hash = "N-V-__8AACPMQgBfqlZq9Kx2qUwCMrZVkl-5dDd5bVDiF06E",
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},
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},
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.paths = .{
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"LICENSE",
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"README.md",
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"build.zig",
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"build.zig.zon",
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},
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}
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