fix: missed linking libc

build.zig

@@ -57,7 +57,7 @@ pub fn build(b: *std.Build) !void {
                 .mode = .simple,
             },
         });
-        mod_tests.root_module.link_libc = target.result.os.tag == .freestanding;
+        mod_tests.root_module.link_libc = target.result.os.tag != .freestanding;
         test_step.dependOn(&b.addRunArtifact(mod_tests).step);
     }
 }

lib/build.zig

@@ -21,10 +21,12 @@ pub fn build(b: *std.Build) !void {
         "libtemporal_capi.a";
 
     // --- Module --- //
+    const is_freestanding = target.result.os.tag == .freestanding;
     const mod = b.addModule("libtemporal", .{
         .root_source_file = b.path("src/root.zig"),
         .target = target,
         .optimize = optimize,
+        .link_libc = !is_freestanding,
     });
 
     const temporal_rs = b.dependency("temporal_rs", .{

test/build.zig

@@ -15,10 +15,12 @@ pub fn build(b: *std.Build) void {
             .root_source_file = b.path(if (is_freestanding) "src/wasm.zig" else "src/main.zig"),
             .target = target,
             .optimize = optimize,
+            .link_libc = !is_freestanding,
             .imports = &.{},
         }),
     });
     exe.root_module.addImport("temporalz", temporalz.module("temporalz"));
+    exe.rdynamic = is_freestanding;
     b.installArtifact(exe);
     b.enable_wasmtime = true; // This doesn't work since Zig 0.17.0 release