refactor: use isolated package per targets

.github/workflows/cd.yml

@@ -184,7 +184,7 @@ jobs:
         run: |
           cd lib
           mkdir -p dist
-          tar -czf "dist/${{ matrix.target }}.tar.gz" -C zig-out/lib .
+          tar -czf "dist/${{ matrix.target }}.tar.gz" -C "zig-out/lib/${{ matrix.target }}" .
 
       - name: Upload Artifact
         uses: actions/upload-artifact@v4

README.md

@@ -51,18 +51,14 @@ exe.root_module.addImport("temporalz", temporalz.module("temporalz"));
 
 Prebuilt libraries are included for the following platforms:
 
-- `x86_64-macos`
-- `aarch64-macos`
-- `x86_64-linux-gnu`
-- `aarch64-linux-gnu`
-- `x86_64-windows-gnu`
-- `aarch64-windows-gnu`
-- `wasm32-freestanding`
-- `wasm32-wasi`
-- `x86_64-linux-musl`
-- `aarch64-linux-musl`
-- `aarch64-linux-android`
-- `aarch64-ios`
+- `x86_64-macos`, `aarch64-macos`
+- `x86_64-linux-gnu`, `aarch64-linux-gnu`, `x86-linux-gnu`, `arm-linux-gnueabihf`
+- `loongarch64-linux-gnu`, `powerpc64le-linux-gnu`, `riscv64-linux-gnu`, `s390x-linux-gnu`
+- `x86_64-windows-gnu`, `aarch64-windows-gnu`, `x86-windows-gnu`
+- `x86_64-freebsd`, `x86_64-netbsd`
+- `wasm32-freestanding`, `wasm32-wasi`
+- `x86_64-linux-musl`, `aarch64-linux-musl`
+- `aarch64-linux-android`, `aarch64-ios`
 
 For other platforms, the library will build from source; you need the Rust toolchain installed.
 

lib/build.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const targets = @import("targets.zig");
 
 pub fn build(b: *std.Build) !void {
     const target = b.standardTargetOptions(.{});
@@ -12,38 +13,65 @@ pub fn build(b: *std.Build) !void {
         b.fmt("{s}-{s}", .{ arch_str, os_str })
     else
         b.fmt("{s}-{s}-{s}", .{ arch_str, os_str, @tagName(abi) });
+    const prebuilt_name = targets.prebuiltName(b, target);
 
     const lib_name = if (target.result.os.tag == .windows and abi == .msvc)
         "temporal_capi.lib"
     else
         "libtemporal_capi.a";
 
-    const prebuilt_lib_path = b.fmt("{s}/{s}", .{ target_triple, lib_name });
+    // --- Module --- //
+    const mod = b.addModule("libtemporal", .{
+        .root_source_file = b.path("src/root.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
 
-    // --- Pre-built resolution --- //
-    var prebuilt_lib_file: ?std.Build.LazyPath = null;
+    const temporal_rs = b.dependency("temporal_rs", .{
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const translated = b.addTranslateC(.{
+        .root_source_file = b.path("src/lib.h"),
+        .target = target,
+        .optimize = optimize,
+        .link_libc = false,
+    });
+    translated.addIncludePath(temporal_rs.path("temporal_capi/bindings/c"));
+    translated.addIncludePath(b.path("src/stubs/c_headers"));
+    mod.addImport("lib", translated.createModule());
+
+    // --- Rust Misc Deps --- //
+    if (target.result.os.tag == .windows) mod.linkSystemLibrary("userenv", .{});
+    const unwind_stubs = b.addLibrary(.{ .linkage = .static, .name = "unwind_stubs", .root_module = b.createModule(.{
+        .root_source_file = b.path("src/stubs/unwind.zig"),
+        .target = target,
+        .optimize = optimize,
+    }) });
+    mod.linkLibrary(unwind_stubs);
+
+    // --- Steps: update prebuilt dependency hashes --- //
+    {
+        const update_step = b.step("update", "Fetch prebuilt packages and update build.zig.zon");
+        addPrebuiltDependencyFetches(b, update_step);
+    }
+
+    // --- Static lib resolution (prebuilt or source) --- //
     var selected_lib_file: std.Build.LazyPath = undefined;
 
-    if (!force_build_rust) {
-        const libtemporal_dep = b.lazyDependency("prebuilt_libtemporal", .{});
-        if (libtemporal_dep) |dep| {
-            const lib_file_candidate = dep.path(prebuilt_lib_path);
-            if (dep.builder.root.access(b.graph.io, prebuilt_lib_path, .{})) {
-                prebuilt_lib_file = lib_file_candidate;
-            } else |_| {}
-        }
-    }
-
-    if (prebuilt_lib_file) |plf| {
-        // std.debug.print("Using pre-built temporal_capi library from downloaded artifact at: {s}\n", .{prebuilt_lib_path});
-        selected_lib_file = plf;
+    if (!force_build_rust and targets.isDeclared(prebuilt_name)) {
+        const prebuilt_dep = b.lazyDependency(prebuilt_name, .{}) orelse {
+            return;
+        };
+        std.log.info("using prebuilt libtemporal for {s}", .{prebuilt_name});
+        selected_lib_file = prebuilt_dep.path(lib_name);
     } else {
-        // std.debug.print("building from source: {s}\n searched for prebuild at: {s}\n", .{ prebuilt_lib_path, prebuilt_lib_path });
+        std.log.info("building libtemporal from source for {s}, requires Rust toolchain", .{target_triple});
         const build_crab = @import("build_crab");
 
         var zig_target = target.result;
         if (zig_target.os.tag == .windows) zig_target.abi = .gnu;
-        // Zig's baseline `.arm` maps to Rust `arm-*`, but rustup ships `armv7-*`.
         const rust_target_str: []const u8 = if (zig_target.cpu.arch == .arm and zig_target.os.tag == .linux)
             switch (zig_target.abi) {
                 .gnueabihf, .eabihf => "armv7-unknown-linux-gnueabihf",
@@ -71,39 +99,44 @@ pub fn build(b: *std.Build) !void {
         selected_lib_file = build_dir.path(b, lib_name);
     }
 
-    // --- Install Step (for publishing) --- //
-    const install_lib = b.addInstallFile(selected_lib_file, b.fmt("lib/{s}/{s}", .{ target_triple, lib_name }));
-    b.getInstallStep().dependOn(&install_lib.step);
-
-    // --- Zig Module --- //
-    const mod = b.addModule("libtemporal", .{
-        .root_source_file = b.path("src/root.zig"),
-        .target = target,
-        .optimize = optimize,
-    });
-
-    const temporal_rs = b.dependency("temporal_rs", .{
-        .target = target,
-        .optimize = optimize,
-    });
-
-    const translated = b.addTranslateC(.{
-        .root_source_file = b.path("src/lib.h"),
-        .target = target,
-        .optimize = optimize,
-        .link_libc = false,
-    });
-    translated.addIncludePath(temporal_rs.path("temporal_capi/bindings/c"));
-    translated.addIncludePath(b.path("src/stubs/c_headers"));
-    mod.addImport("lib", translated.createModule());
     mod.addObjectFile(selected_lib_file);
 
-    // --- Rust Misc Deps --- //
-    if (target.result.os.tag == .windows) mod.linkSystemLibrary("userenv", .{});
-    const unwind_stubs = b.addLibrary(.{ .linkage = .static, .name = "unwind_stubs", .root_module = b.createModule(.{
-        .root_source_file = b.path("src/stubs/unwind.zig"),
-        .target = target,
-        .optimize = optimize,
-    }) });
-    mod.linkLibrary(unwind_stubs);
+    // --- Install Step (for publishing) --- //
+    const install_lib = b.addInstallFile(selected_lib_file, b.fmt("lib/{s}/{s}", .{ prebuilt_name, lib_name }));
+    b.getInstallStep().dependOn(&install_lib.step);
+}
+
+fn addPrebuiltDependencyFetches(b: *std.Build, parent: *std.Build.Step) void {
+    var prev_save: ?*std.Build.Step = null;
+
+    inline for (targets.config.targets) |target_triple| {
+        const url = targets.releaseUrl(b, target_triple);
+
+        const fetch = b.addSystemCommand(&.{ b.graph.zig_exe, "fetch", url });
+        fetch.setName(b.fmt("fetch {s}", .{target_triple}));
+        fetch.setCwd(b.path("."));
+        fetch.has_side_effects = true;
+        fetch.expectExitCode(0);
+        _ = fetch.captureStdErr(.{});
+
+        const save = b.addSystemCommand(&.{
+            b.graph.zig_exe,
+            "fetch",
+            b.fmt("--save={s}", .{target_triple}),
+            url,
+        });
+        save.setName(b.fmt("save {s}", .{target_triple}));
+        save.setCwd(b.path("."));
+        save.has_side_effects = true;
+        save.expectExitCode(0);
+        _ = save.captureStdErr(.{});
+
+        save.step.dependOn(&fetch.step);
+
+        if (prev_save) |prev| {
+            save.step.dependOn(prev);
+        }
+        parent.dependOn(&save.step);
+        prev_save = &save.step;
+    }
 }

lib/build.zig.zon

@@ -7,19 +7,121 @@
             .url = "git+https://github.com/boa-dev/temporal?ref=v0.2.4#a5cebbcce231552bf6ed985d7ea13b0c7b195f02",
             .hash = "N-V-__8AALjnOQBiCk4NffYgEewZ5v9qlLlDyXO22FIyzNdf",
         },
-        .prebuilt_libtemporal = .{
-            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.3/libtemporal.tar.gz",
-            .hash = "N-V-__8AADYZ_AXnqpmkTa49ZQ6lEQlDXWRLthyxEbgse3Hi",
-            .lazy = true,
-        },
         .build_crab = .{
             .url = "git+https://github.com/nurulhudaapon/build.crab?ref=zig-dev#69a630f8fa9ccca37a8ba2e898e7934e3b5b8fe2",
             .hash = "build_crab-0.2.1-U0id_zfKAAAvOuam-kPYKMuEQpHuEBjrP96uQCVj94yr",
         },
+        .@"aarch64-ios" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/aarch64-ios.tar.gz",
+            .hash = "N-V-__8AAJAyaADZvWvrmaGR5reVCH4y8JZ3-Gfxu_9-pcHB",
+            .lazy = true,
+        },
+        .@"aarch64-linux-android" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/aarch64-linux-android.tar.gz",
+            .hash = "N-V-__8AAKYEkwCQonhHp5MAYaRE8IFcWN493Y2a5nqWJmF7",
+            .lazy = true,
+        },
+        .@"aarch64-linux-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/aarch64-linux-gnu.tar.gz",
+            .hash = "N-V-__8AAGSQjQDYfN0voDb4c1sCM374u570U8hcEJYoAoTc",
+            .lazy = true,
+        },
+        .@"aarch64-linux-musl" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/aarch64-linux-musl.tar.gz",
+            .hash = "N-V-__8AAE7bjwA2arkXXgbgaMe8oHdmJEez8y2XFeCUvSnn",
+            .lazy = true,
+        },
+        .@"aarch64-macos" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/aarch64-macos.tar.gz",
+            .hash = "N-V-__8AAFBxZwC9MEuiOD8EihBoSl_00IDUJnpQsjmnpkmK",
+            .lazy = true,
+        },
+        .@"aarch64-windows-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/aarch64-windows-gnu.tar.gz",
+            .hash = "N-V-__8AADKDagD1bmYDywq4IZPBo2la8m1xzSObPCsxyfmW",
+            .lazy = true,
+        },
+        .@"arm-linux-gnueabihf" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/arm-linux-gnueabihf.tar.gz",
+            .hash = "N-V-__8AAIAAfgDYWro4rWudgosfdPK1tzxLe77uoRBtL4rl",
+            .lazy = true,
+        },
+        .@"loongarch64-linux-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/loongarch64-linux-gnu.tar.gz",
+            .hash = "N-V-__8AAEKptADVBZFKw7ZKvLurwzp_WA-FD-OwZFgEMf4q",
+            .lazy = true,
+        },
+        .@"powerpc64le-linux-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/powerpc64le-linux-gnu.tar.gz",
+            .hash = "N-V-__8AAKwdfQDZIHVuhOtUOs9tKx-RJCM_1HnX-FwGA0l2",
+            .lazy = true,
+        },
+        .@"riscv64-linux-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/riscv64-linux-gnu.tar.gz",
+            .hash = "N-V-__8AAPBiogBQe_5VZhzDgpZrfwuzfj_54IyUFK2igsQo",
+            .lazy = true,
+        },
+        .@"s390x-linux-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/s390x-linux-gnu.tar.gz",
+            .hash = "N-V-__8AAEiKkwC4qkNJoOuzgxHuS_q46SIbqITuODu9Hz3Q",
+            .lazy = true,
+        },
+        .@"wasm32-freestanding" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/wasm32-freestanding.tar.gz",
+            .hash = "N-V-__8AACjsTwB3jX1mva0svtTn39kCz5aabikQbczLJlp9",
+            .lazy = true,
+        },
+        .@"wasm32-wasi" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/wasm32-wasi.tar.gz",
+            .hash = "N-V-__8AAPbTQADoTDaLXmk3KlebN5pZWX-eXhD6BLPJuxpt",
+            .lazy = true,
+        },
+        .@"x86-linux-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86-linux-gnu.tar.gz",
+            .hash = "N-V-__8AALzUbwBdOV8TmU7vPbofrSgkCz70GG0SwvHZGWEZ",
+            .lazy = true,
+        },
+        .@"x86-windows-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86-windows-gnu.tar.gz",
+            .hash = "N-V-__8AAAgSYQAjy_QNLkxQurUPnbT8s4fNjunaYgPQjiwB",
+            .lazy = true,
+        },
+        .@"x86_64-freebsd" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86_64-freebsd.tar.gz",
+            .hash = "N-V-__8AAJAFkQCAz3khARx91vZb6HMPqV3oBdmJM8kaxd9Y",
+            .lazy = true,
+        },
+        .@"x86_64-linux-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86_64-linux-gnu.tar.gz",
+            .hash = "N-V-__8AACAdiQB3WUysJXS42gsJZdpzna_04l6omEQGzJZa",
+            .lazy = true,
+        },
+        .@"x86_64-linux-musl" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86_64-linux-musl.tar.gz",
+            .hash = "N-V-__8AAGhKiwDlW7Ecy5CJf7-PEGSdDgr4VnCNLkl9cery",
+            .lazy = true,
+        },
+        .@"x86_64-macos" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86_64-macos.tar.gz",
+            .hash = "N-V-__8AAHDyZwCPo6HVOYeFWas2bcTqi67vJuxoL2huROlC",
+            .lazy = true,
+        },
+        .@"x86_64-netbsd" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86_64-netbsd.tar.gz",
+            .hash = "N-V-__8AAL7_lgBmD0lfXqzAxRdjDiPLi6bgLvnVVbQszw3p",
+            .lazy = true,
+        },
+        .@"x86_64-windows-gnu" = .{
+            .url = "https://github.com/nurulhudaapon/temporalz/releases/download/v0.2.4/x86_64-windows-gnu.tar.gz",
+            .hash = "N-V-__8AAD5eTQDfQ9ddNZh3g8e6SaA9CnVSQRMozhHs_jWt",
+            .lazy = true,
+        },
     },
     .paths = .{
         "build.zig",
         "build.zig.zon",
+        "targets.zon",
+        "targets.zig",
         "src",
     },
 }

lib/targets.zig

@@ -0,0 +1,57 @@
+const std = @import("std");
+const builtin = @import("builtin");
+
+pub const config = @import("targets.zon");
+const manifest = @import("build.zig.zon");
+
+/// Zig `-Dtarget` triple for the host platform's prebuilt dependency name.
+pub fn depName() []const u8 {
+    const triple = targetTripleFromBuiltin();
+    if (!isDeclared(triple)) {
+        @compileError(std.fmt.comptimePrint(
+            "no prebuilt libtemporal for host {s}",
+            .{triple},
+        ));
+    }
+    return triple;
+}
+
+pub fn prebuiltName(b: *std.Build, target: std.Build.ResolvedTarget) []const u8 {
+    const arch = @tagName(target.result.cpu.arch);
+    const os = target.result.os.tag;
+    const abi = target.result.abi;
+
+    if (os == .wasi and (abi == .musl or abi == .none))
+        return b.fmt("{s}-wasi", .{arch});
+
+    if (abi == .none)
+        return b.fmt("{s}-{s}", .{ arch, @tagName(os) });
+    return b.fmt("{s}-{s}-{s}", .{ arch, @tagName(os), @tagName(abi) });
+}
+
+pub fn isDeclared(target_triple: []const u8) bool {
+    inline for (config.targets) |supported| {
+        if (std.mem.eql(u8, supported, target_triple)) {
+            return comptime @hasField(@TypeOf(manifest.dependencies), supported);
+        }
+    }
+    return false;
+}
+
+pub fn releaseUrl(b: *std.Build, target_triple: []const u8) []const u8 {
+    return b.fmt(
+        "https://github.com/nurulhudaapon/temporalz/releases/download/v{s}/{s}.tar.gz",
+        .{ config.version, target_triple },
+    );
+}
+
+fn targetTripleFromBuiltin() []const u8 {
+    if (builtin.os.tag == .wasi and (builtin.abi == .musl or builtin.abi == .none))
+        return std.fmt.comptimePrint("{s}-wasi", .{@tagName(builtin.cpu.arch)});
+
+    const abi = builtin.abi;
+    return if (abi == .none)
+        std.fmt.comptimePrint("{s}-{s}", .{ @tagName(builtin.cpu.arch), @tagName(builtin.os.tag) })
+    else
+        std.fmt.comptimePrint("{s}-{s}-{s}", .{ @tagName(builtin.cpu.arch), @tagName(builtin.os.tag), @tagName(abi) });
+}

lib/targets.zon

@@ -0,0 +1,26 @@
+.{
+    .version = "0.2.4",
+    .targets = .{
+        "x86_64-macos",
+        "aarch64-macos",
+        "x86_64-linux-gnu",
+        "aarch64-linux-gnu",
+        "x86-linux-gnu",
+        "arm-linux-gnueabihf",
+        "loongarch64-linux-gnu",
+        "powerpc64le-linux-gnu",
+        "riscv64-linux-gnu",
+        "s390x-linux-gnu",
+        "x86_64-windows-gnu",
+        "aarch64-windows-gnu",
+        "x86-windows-gnu",
+        "x86_64-freebsd",
+        "x86_64-netbsd",
+        "wasm32-freestanding",
+        "wasm32-wasi",
+        "x86_64-linux-musl",
+        "aarch64-linux-musl",
+        "aarch64-linux-android",
+        "aarch64-ios",
+    },
+}