update to zig nightly 0.13 support

build.zig

@@ -11,6 +11,7 @@ const log = std.log.scoped(.WebUI);
 
 const build_11 = @import("build_11.zig").build_11;
 const build_12 = @import("build_12.zig").build_12;
+const build_13 = @import("build_13.zig").build_13;
 
 const min_zig_string = "0.11.0";
 
@@ -27,9 +28,10 @@ comptime {
 }
 
 pub fn build(b: *std.Build) void {
-    if (current_zig.minor == 11) {
-        build_11(b);
-    } else if (current_zig.minor == 12) {
-        build_12(b);
+    switch (current_zig.minor) {
+        11 => build_11(b),
+        12 => build_12(b),
+        13 => build_13(b),
+        else => @compileError("uknown zig version!"),
     }
 }

build_13.zig

@@ -0,0 +1,167 @@
+const std = @import("std");
+const builtin = @import("builtin");
+
+const Build = std.Build;
+const OptimizeMode = std.builtin.OptimizeMode;
+const CrossTarget = std.zig.CrossTarget;
+const Compile = Build.Step.Compile;
+const Module = Build.Module;
+
+const log = std.log.scoped(.WebUI);
+
+const default_isStatic = true;
+const default_enableTLS = false;
+
+pub fn build_13(b: *Build) void {
+    const isStatic = b.option(bool, "is_static", "whether lib is static") orelse default_isStatic;
+    const enableTLS = b.option(bool, "enable_tls", "whether lib enable tls") orelse default_enableTLS;
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    if (enableTLS) {
+        std.log.info("enable TLS support", .{});
+        if (!target.query.isNative()) {
+            std.log.info("when enable tls, not support cross compile", .{});
+            std.posix.exit(1);
+        }
+    }
+
+    const webui = build_webui_12(b, optimize, target, isStatic, enableTLS);
+
+    webui.installHeader(b.path("include/webui.h"), "webui.h");
+
+    build_examples_12(b, optimize, target, webui);
+
+    b.installArtifact(webui);
+}
+
+fn build_webui_12(b: *Build, optimize: OptimizeMode, target: Build.ResolvedTarget, is_static: bool, enable_tls: bool) *Compile {
+    const name = "webui";
+    const webui = if (is_static) b.addStaticLibrary(.{ .name = name, .target = target, .optimize = optimize }) else b.addSharedLibrary(.{ .name = name, .target = target, .optimize = optimize });
+
+    const extra_flags = if (target.query.os_tag == .windows or (target.query.os_tag == null and builtin.os.tag == .windows))
+        "-DMUST_IMPLEMENT_CLOCK_GETTIME"
+    else
+        "";
+
+    const cflags = if (enable_tls)
+        [_][]const u8{ "-DNDEBUG", "-DNO_CACHING", "-DNO_CGI", "-DUSE_WEBSOCKET", "-DWEBUI_TLS", "-DNO_SSL_DL", "-DOPENSSL_API_1_1", extra_flags }
+    else
+        [_][]const u8{ "-DNDEBUG", "-DNO_CACHING", "-DNO_CGI", "-DUSE_WEBSOCKET", "-DNO_SSL", extra_flags, "", "" };
+
+    webui.addCSourceFile(.{
+        .file = .{ .path = "src/webui.c" },
+        .flags = if (enable_tls)
+            &[_][]const u8{ "-DNO_SSL", "-DWEBUI_TLS", "-DNO_SSL_DL", "-DOPENSSL_API_1_1" }
+        else
+            &[_][]const u8{"-DNO_SSL"},
+    });
+
+    webui.addCSourceFile(.{
+        .file = .{ .path = "src/civetweb/civetweb.c" },
+        .flags = &cflags,
+    });
+
+    webui.linkLibC();
+
+    webui.addIncludePath(.{ .path = "include" });
+
+    if (target.query.os_tag == .windows or (target.query.os_tag == null and builtin.os.tag == .windows)) {
+        webui.linkSystemLibrary("ws2_32");
+        if (enable_tls) {
+            webui.linkSystemLibrary("bcrypt");
+        }
+    }
+    if (enable_tls) {
+        webui.linkSystemLibrary("ssl");
+        webui.linkSystemLibrary("crypto");
+    }
+    if (target.query.abi == .msvc) {
+        webui.linkSystemLibrary("shell32");
+        webui.linkSystemLibrary("Advapi32");
+        webui.linkSystemLibrary("user32");
+    }
+
+    return webui;
+}
+
+fn build_examples_12(b: *Build, optimize: OptimizeMode, target: Build.ResolvedTarget, webui_lib: *Compile) void {
+    var lazy_path = Build.LazyPath{
+        .path = "examples/C",
+    };
+
+    const build_all_step = b.step("build_all", "build all examples");
+
+    const examples_path = lazy_path.getPath(b);
+
+    var iter_dir =
+        std.fs.openDirAbsolute(examples_path, .{ .iterate = true }) catch |err| {
+        log.err("open examples_path failed, err is {}", .{err});
+        std.posix.exit(1);
+    };
+    defer iter_dir.close();
+
+    var itera = iter_dir.iterate();
+
+    while (itera.next()) |val| {
+        if (val) |entry| {
+            if (entry.kind == .directory) {
+                const example_name = entry.name;
+                const path = std.fmt.allocPrint(b.allocator, "examples/C/{s}/main.c", .{example_name}) catch |err| {
+                    log.err("fmt path for examples failed, err is {}", .{err});
+                    std.posix.exit(1);
+                };
+
+                const exe = b.addExecutable(.{
+                    .name = example_name,
+                    .target = target,
+                    .optimize = optimize,
+                });
+
+                exe.addCSourceFile(.{
+                    .file = .{
+                        .path = path,
+                    },
+                    .flags = &.{},
+                });
+
+                exe.subsystem = .Windows;
+
+                exe.linkLibrary(webui_lib);
+
+                const exe_install = b.addInstallArtifact(exe, .{});
+
+                build_all_step.dependOn(&exe_install.step);
+
+                const exe_run = b.addRunArtifact(exe);
+                exe_run.step.dependOn(&exe_install.step);
+
+                const cwd = std.fmt.allocPrint(b.allocator, "examples/C/{s}", .{example_name}) catch |err| {
+                    log.err("fmt path for examples failed, err is {}", .{err});
+                    std.posix.exit(1);
+                };
+                exe_run.setCwd(.{
+                    .path = cwd,
+                });
+
+                const step_name = std.fmt.allocPrint(b.allocator, "run_{s}", .{example_name}) catch |err| {
+                    log.err("fmt step_name for examples failed, err is {}", .{err});
+                    std.posix.exit(1);
+                };
+
+                const step_desc = std.fmt.allocPrint(b.allocator, "run example {s}", .{example_name}) catch |err| {
+                    log.err("fmt step_desc for examples failed, err is {}", .{err});
+                    std.posix.exit(1);
+                };
+
+                const exe_run_step = b.step(step_name, step_desc);
+                exe_run_step.dependOn(&exe_run.step);
+            }
+        } else {
+            break;
+        }
+    } else |err| {
+        log.err("iterate examples_path failed, err is {}", .{err});
+        std.posix.exit(1);
+    }
+}