c-blosc2: initial build.zig for v2.21.3

Is not a full port of all the features in the c-blosc2 CMake files.

Author: leroycep

.gitignore

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+.zig-cache
+zig-out/

build.zig

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+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+    const linkage = b.option(std.builtin.LinkMode, "linkage", "linkage to use (default: static)") orelse .static;
+    const zstd = b.option(bool, "zstd", "Compile with support for Zstd compression (default: true)") orelse true;
+
+    const lz4_dep = b.dependency("lz4", .{
+        .target = target,
+        .optimize = optimize,
+        .linkage = linkage,
+    });
+    const zstd_dep = b.dependency("zstd", .{
+        .target = target,
+        .optimize = optimize,
+        .linkage = linkage,
+    });
+    const c_blosc2_source = b.dependency("c_blosc2", .{});
+
+    const config_header = b.addConfigHeader(.{
+        .style = .{ .cmake = c_blosc2_source.path("blosc/config.h.in") },
+    }, .{
+        .HAVE_ZLIB = false,
+        .HAVE_ZLIB_NG = false,
+        .HAVE_ZSTD = zstd,
+        .HAVE_IPP = false,
+        .DLL_EXPORT = if (target.result.os.tag == .windows and linkage == .dynamic)
+            "__declspec(dllexport)"
+        else
+            "",
+        .HAVE_PLUGINS = false,
+    });
+
+    const c_blosc2_module = b.createModule(.{
+        .target = target,
+        .optimize = optimize,
+        .link_libc = true,
+    });
+    // Tells "blosc2.h" to include the "config.h"
+    c_blosc2_module.addCMacro("USING_CMAKE", "1");
+    c_blosc2_module.addConfigHeader(config_header);
+    c_blosc2_module.addIncludePath(c_blosc2_source.path("blosc"));
+    c_blosc2_module.addIncludePath(c_blosc2_source.path("include"));
+    c_blosc2_module.addCSourceFiles(.{
+        .root = c_blosc2_source.path("blosc"),
+        .files = &.{
+            "blosc2.c",
+            "blosclz.c",
+            "fastcopy.c",
+            "schunk.c",
+            "frame.c",
+            "stune.c",
+            "delta.c",
+            "shuffle-generic.c",
+            "bitshuffle-generic.c",
+            "trunc-prec.c",
+            "timestamp.c",
+            "sframe.c",
+            "directories.c",
+            "blosc2-stdio.c",
+            "b2nd.c",
+            "b2nd_utils.c",
+        },
+    });
+
+    c_blosc2_module.addCSourceFile(.{ .file = c_blosc2_source.path("blosc/shuffle.c") });
+    switch (target.result.cpu.arch) {
+        .x86_64 => {
+            c_blosc2_module.addCSourceFile(.{ .file = c_blosc2_source.path("blosc/shuffle-sse2.c") });
+            c_blosc2_module.addCSourceFile(.{ .file = c_blosc2_source.path("blosc/bitshuffle-sse2.c") });
+            c_blosc2_module.addCSourceFile(.{ .file = c_blosc2_source.path("blosc/shuffle-avx2.c") });
+            c_blosc2_module.addCSourceFile(.{ .file = c_blosc2_source.path("blosc/bitshuffle-avx2.c") });
+            c_blosc2_module.addCSourceFile(.{ .file = c_blosc2_source.path("blosc/bitshuffle-avx512.c") });
+        },
+        .aarch64 => {
+            c_blosc2_module.addCSourceFile(.{ .file = c_blosc2_source.path("blosc/shuffle-neon.c") });
+        },
+        else => {},
+    }
+
+    c_blosc2_module.linkLibrary(lz4_dep.artifact("lz4"));
+    if (zstd) {
+        c_blosc2_module.linkLibrary(zstd_dep.artifact("zstd"));
+    }
+
+    const c_blosc2_library = b.addLibrary(.{
+        .name = "blosc2",
+        .linkage = linkage,
+        .root_module = c_blosc2_module,
+    });
+    c_blosc2_library.installHeadersDirectory(c_blosc2_source.path("include"), ".", .{});
+
+    b.installArtifact(c_blosc2_library);
+}

build.zig.zon

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+.{
+    .name = .c_blosc2,
+    .version = "2.21.3",
+    .dependencies = .{
+        .c_blosc2 = .{
+            .url = "git+https://github.com/Blosc/c-blosc2?ref=v2.21.3#0c853a639ba97997e33e29db9eed202459ebc6f0",
+            .hash = "N-V-__8AABtlIQEWY9A8rCWuxQog0nf3MXG0TBWr3HNyRqjv",
+        },
+        .lz4 = .{
+            .url = "git+https://github.com/allyourcodebase/lz4.git#873969ee73aecb3c35203feaf0b5727b9d02b864",
+            .hash = "lz4-1.10.0-5-ewyzw7YNAADOUkQ7M9fjW005oGzxt9b6m0uPd_kQC48z",
+        },
+        .zstd = .{
+            .url = "git+https://github.com/allyourcodebase/zstd.git?ref=1.5.7#01327d49cbc56dc24c20a167bb0055d7fc23de84",
+            .hash = "zstd-1.5.7-KEItkJ8vAAC5_rRlKmLflYQ-eKXbAIQBWZNmmJtS18q0",
+        },
+    },
+    .minimum_zig_version = "0.15.2",
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+    },
+    .fingerprint = 0x44d08dca0c10c5a2,
+}