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Merged
jinzhongjia merged 4 commits into from
Nov 19, 2024
Merged

Simplify build.zig to use upstream webui C library building #70

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b565900
scm: Use `webui`'s `build.zig` for building C lib
mochalins Oct 10, 2024
7bad48e
scm: Update for latest `webui` `build.zig`
mochalins Oct 12, 2024
ff4ed8c
Merge branch 'webui-dev:main' into main
mochalins Nov 18, 2024
e926b61
scm: Update to latest upstream, drop 0.11.0
mochalins Nov 19, 2024
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103 changes: 12 additions & 91 deletions build.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,13 @@ pub const V0_12 = struct {
// create a new module for flags options
const flags_module = flags_options.createModule();

const webui = try webui_c(b, optimize, target, isStatic, enableTLS);
const webui = b.dependency("webui", .{
.target = target,
.optimize = optimize,
.dynamic = !isStatic,
.@"enable-tls" = enableTLS,
.verbose = false,
});

const webui_module = b.addModule("webui", .{
.root_source_file = b.path(b.pathJoin(&.{ "src", "webui.zig" })),
Expand All @@ -70,106 +76,21 @@ pub const V0_12 = struct {
},
},
});

webui_module.linkLibrary(webui);

// install webui c lib
install_webui_c(b, webui);
webui_module.linkLibrary(webui.artifact("webui"));
if (!isStatic) {
b.installArtifact(webui.artifact("webui"));
}

// generate docs
generate_docs(b, optimize, target, flags_module);

// build examples
build_examples_12(b, optimize, target, webui_module, webui) catch |err| {
build_examples_12(b, optimize, target, webui_module, webui.artifact("webui")) catch |err| {
log.err("failed to build examples: {}", .{err});
std.process.exit(1);
};
}

/// this function to build webui from c code
pub fn webui_c(b: *Build, optimize: OptimizeMode, target: Build.ResolvedTarget, is_static: bool, enable_tls: bool) !*Compile {
const webui_dep = b.dependency("webui", .{});

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,
});

// basical flags for civetweb
const basic_flags = [_][]const u8{ "-DNDEBUG", "-DNO_CACHING", "-DNO_CGI", "-DUSE_WEBSOCKET", "-Wno-error=date-time" };

// when enable tls
const tls_flags = [_][]const u8{ "-DWEBUI_TLS", "-DNO_SSL_DL", "-DOPENSSL_API_1_1" };
// when disable tls
const no_tls_flags = [_][]const u8{"-DNO_SSL"};

// solve UBSAN
const ubsan_flags = [_][]const u8{"-fno-sanitize=undefined"};

var civetweb_flags = std.ArrayList([]const u8).init(b.allocator);
defer civetweb_flags.deinit();
try civetweb_flags.appendSlice(&ubsan_flags);
try civetweb_flags.appendSlice(&basic_flags);
try civetweb_flags.appendSlice(if (enable_tls) &tls_flags else &no_tls_flags);

var webui_flags = std.ArrayList([]const u8).init(b.allocator);
defer webui_flags.deinit();
try webui_flags.appendSlice(&ubsan_flags);
try webui_flags.appendSlice(if (enable_tls) &tls_flags else &no_tls_flags);

webui.addCSourceFile(.{
.file = webui_dep.path(b.pathJoin(&.{ "src", "webui.c" })),
.flags = webui_flags.items,
});

webui.addCSourceFile(.{
.file = webui_dep.path(b.pathJoin(&.{ "src", "civetweb", "civetweb.c" })),
.flags = civetweb_flags.items,
});

webui.linkLibC();
webui.addIncludePath(webui_dep.path("include"));

// for windows build
if (target.result.os.tag == .windows) {
webui.linkSystemLibrary("ws2_32");
webui.linkSystemLibrary("ole32");
if (target.result.abi == .msvc) {
webui.linkSystemLibrary("Advapi32");
webui.linkSystemLibrary("Shell32");
webui.linkSystemLibrary("user32");
}
if (enable_tls) {
webui.linkSystemLibrary("bcrypt");
}
} else if (target.result.os.tag == .macos) {
webui.addCSourceFile(.{
.file = webui_dep.path(b.pathJoin(&.{ "src", "webview", "wkwebview.m" })),
.flags = &.{},
});
webui.linkFramework("Cocoa");
webui.linkFramework("WebKit");
}

if (enable_tls) {
webui.linkSystemLibrary("ssl");
webui.linkSystemLibrary("crypto");
}

return webui;
}

fn install_webui_c(b: *Build, lib: *Compile) void {
const step = b.step("lib", "Install lib");
step.dependOn(&b.addInstallArtifact(lib, .{}).step);
}

fn generate_docs(b: *Build, optimize: OptimizeMode, target: Build.ResolvedTarget, flags_module: *Module) void {
const webui_lib = b.addObject(.{
.name = "webui_lib",
Expand Down
4 changes: 2 additions & 2 deletions build.zig.zon
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,8 @@
.minimum_zig_version = "0.11.0",
.dependencies = .{
.webui = .{
.url = "https://github.com/webui-dev/webui/archive/cf0c54e.tar.gz",
.hash = "1220aacf86c4580492e1ce126a611e034f2c8b402b2b4eff46b227b994548db2c2d7",
.url = "https://github.com/webui-dev/webui/archive/3b0736f.tar.gz",
.hash = "12203142a86e0751a1b4ebb7d40ec61c3d7fb79ead7f5441cf42efa897050f8304ab",
},
},
.paths = .{
Expand Down