const std = @import("std"); const nifbuild = @import("lib/nif/build.zig"); pub fn build(b: *std.build.Builder) void { const target = b.standardTargetOptions(.{}); const mode = b.standardReleaseOptions(); const strip = b.option(bool, "strip", "strip output binary; default: false") orelse false; const drv = b.option(DriverTarget, "driver", "display and input drivers combo; default: sdl2") orelse .sdl2; const disp_horiz = b.option(u32, "horiz", "display horizontal pixels count; default: 800") orelse 800; const disp_vert = b.option(u32, "vert", "display vertical pixels count; default: 480") orelse 480; const lvgl_loglevel = b.option(LVGLLogLevel, "lvgl_loglevel", "LVGL lib logging level") orelse LVGLLogLevel.default(mode); const inver = b.option([]const u8, "version", "semantic version of the build; must match git tag when available"); const buildopts = b.addOptions(); buildopts.addOption(DriverTarget, "driver", drv); const semver_step = VersionStep.create(b, buildopts, inver); const common_cflags = .{ "-Wall", "-Wextra", "-Wundef", // strip source file paths for repro builds b.fmt("-ffile-prefix-map={s}/=/", .{b.pathFromRoot("")}), }; // gui build const ngui = b.addExecutable("ngui", "src/ngui.zig"); ngui.setTarget(target); ngui.setBuildMode(mode); ngui.pie = true; ngui.strip = strip; ngui.step.dependOn(semver_step); ngui.addPackage(buildopts.getPackage("build_options")); ngui.addIncludePath("lib"); ngui.addIncludePath("src/ui/c"); ngui.linkLibC(); const lvgl_flags = .{ "-std=c11", "-fstack-protector", "-Wformat", "-Wformat-security", } ++ common_cflags; ngui.addCSourceFiles(lvgl_generic_src, &lvgl_flags); const ngui_cflags = .{ "-std=c11", "-Wshadow", "-Wunused-parameter", "-Werror", } ++ common_cflags; ngui.addCSourceFiles(&.{ "src/ui/c/ui.c", "src/ui/c/lv_font_courierprimecode_14.c", "src/ui/c/lv_font_courierprimecode_16.c", "src/ui/c/lv_font_courierprimecode_24.c", }, &ngui_cflags); ngui.defineCMacroRaw(b.fmt("NM_DISP_HOR={}", .{disp_horiz})); ngui.defineCMacroRaw(b.fmt("NM_DISP_VER={}", .{disp_vert})); ngui.defineCMacro("LV_CONF_INCLUDE_SIMPLE", null); ngui.defineCMacro("LV_LOG_LEVEL", lvgl_loglevel.text()); ngui.defineCMacro("LV_TICK_CUSTOM", "1"); ngui.defineCMacro("LV_TICK_CUSTOM_INCLUDE", "\"lv_custom_tick.h\""); ngui.defineCMacro("LV_TICK_CUSTOM_SYS_TIME_EXPR", "(nm_get_curr_tick())"); switch (drv) { .sdl2 => { ngui.addCSourceFiles(lvgl_sdl2_src, &lvgl_flags); ngui.addCSourceFile("src/ui/c/drv_sdl2.c", &ngui_cflags); ngui.defineCMacro("NM_DRV_SDL2", null); ngui.defineCMacro("USE_SDL", null); ngui.linkSystemLibrary("SDL2"); }, .fbev => { ngui.addCSourceFiles(lvgl_fbev_src, &lvgl_flags); ngui.addCSourceFile("src/ui/c/drv_fbev.c", &ngui_cflags); ngui.defineCMacro("NM_DRV_FBEV", null); ngui.defineCMacro("USE_FBDEV", null); ngui.defineCMacro("USE_EVDEV", null); }, } const ngui_build_step = b.step("ngui", "build ngui (nakamochi gui)"); ngui_build_step.dependOn(&b.addInstallArtifact(ngui).step); // daemon build const nd = b.addExecutable("nd", "src/nd.zig"); nd.setTarget(target); nd.setBuildMode(mode); nd.pie = true; nd.strip = strip; nd.step.dependOn(semver_step); nd.addPackage(buildopts.getPackage("build_options")); nifbuild.addPkg(b, nd, "lib/nif"); const niflib = nifbuild.library(b, "lib/nif"); niflib.setTarget(target); niflib.setBuildMode(mode); nd.linkLibrary(niflib); const nd_build_step = b.step("nd", "build nd (nakamochi daemon)"); nd_build_step.dependOn(&b.addInstallArtifact(nd).step); // default build const build_all_step = b.step("all", "build everything"); build_all_step.dependOn(ngui_build_step); build_all_step.dependOn(nd_build_step); b.default_step.dependOn(build_all_step); { const tests = b.addTest("src/test.zig"); tests.setTarget(target); tests.setBuildMode(mode); tests.linkLibC(); const f = b.option([]const u8, "test-filter", "run tests matching the filter"); tests.setFilter(f); const test_step = b.step("test", "run tests"); test_step.dependOn(&tests.step); } } const DriverTarget = enum { sdl2, fbev, // framebuffer + evdev }; const lvgl_sdl2_src: []const []const u8 = &.{ "lib/lv_drivers/sdl/sdl.c", "lib/lv_drivers/sdl/sdl_common.c", }; const lvgl_fbev_src: []const []const u8 = &.{ "lib/lv_drivers/display/fbdev.c", "lib/lv_drivers/indev/evdev.c", }; const lvgl_generic_src: []const []const u8 = &.{ "lib/lvgl/src/core/lv_disp.c", "lib/lvgl/src/core/lv_event.c", "lib/lvgl/src/core/lv_group.c", "lib/lvgl/src/core/lv_indev.c", "lib/lvgl/src/core/lv_indev_scroll.c", "lib/lvgl/src/core/lv_obj.c", "lib/lvgl/src/core/lv_obj_class.c", "lib/lvgl/src/core/lv_obj_draw.c", "lib/lvgl/src/core/lv_obj_pos.c", "lib/lvgl/src/core/lv_obj_scroll.c", "lib/lvgl/src/core/lv_obj_style.c", "lib/lvgl/src/core/lv_obj_style_gen.c", "lib/lvgl/src/core/lv_obj_tree.c", "lib/lvgl/src/core/lv_refr.c", "lib/lvgl/src/core/lv_theme.c", "lib/lvgl/src/draw/arm2d/lv_gpu_arm2d.c", "lib/lvgl/src/draw/lv_draw.c", "lib/lvgl/src/draw/lv_draw_arc.c", "lib/lvgl/src/draw/lv_draw_img.c", "lib/lvgl/src/draw/lv_draw_label.c", "lib/lvgl/src/draw/lv_draw_layer.c", "lib/lvgl/src/draw/lv_draw_line.c", "lib/lvgl/src/draw/lv_draw_mask.c", "lib/lvgl/src/draw/lv_draw_rect.c", "lib/lvgl/src/draw/lv_draw_transform.c", "lib/lvgl/src/draw/lv_draw_triangle.c", "lib/lvgl/src/draw/lv_img_buf.c", "lib/lvgl/src/draw/lv_img_cache.c", "lib/lvgl/src/draw/lv_img_decoder.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_arc.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_bg.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_composite.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_img.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_label.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_layer.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_line.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_mask.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_polygon.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_rect.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_stack_blur.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_texture_cache.c", "lib/lvgl/src/draw/sdl/lv_draw_sdl_utils.c", "lib/lvgl/src/draw/sw/lv_draw_sw.c", "lib/lvgl/src/draw/sw/lv_draw_sw_arc.c", "lib/lvgl/src/draw/sw/lv_draw_sw_blend.c", "lib/lvgl/src/draw/sw/lv_draw_sw_dither.c", "lib/lvgl/src/draw/sw/lv_draw_sw_gradient.c", "lib/lvgl/src/draw/sw/lv_draw_sw_img.c", "lib/lvgl/src/draw/sw/lv_draw_sw_layer.c", "lib/lvgl/src/draw/sw/lv_draw_sw_letter.c", "lib/lvgl/src/draw/sw/lv_draw_sw_line.c", "lib/lvgl/src/draw/sw/lv_draw_sw_polygon.c", "lib/lvgl/src/draw/sw/lv_draw_sw_rect.c", "lib/lvgl/src/draw/sw/lv_draw_sw_transform.c", "lib/lvgl/src/extra/layouts/flex/lv_flex.c", "lib/lvgl/src/extra/layouts/grid/lv_grid.c", "lib/lvgl/src/extra/libs/bmp/lv_bmp.c", "lib/lvgl/src/extra/libs/ffmpeg/lv_ffmpeg.c", "lib/lvgl/src/extra/libs/freetype/lv_freetype.c", "lib/lvgl/src/extra/libs/fsdrv/lv_fs_fatfs.c", "lib/lvgl/src/extra/libs/fsdrv/lv_fs_posix.c", "lib/lvgl/src/extra/libs/fsdrv/lv_fs_stdio.c", "lib/lvgl/src/extra/libs/fsdrv/lv_fs_win32.c", "lib/lvgl/src/extra/libs/gif/gifdec.c", "lib/lvgl/src/extra/libs/gif/lv_gif.c", "lib/lvgl/src/extra/libs/png/lodepng.c", "lib/lvgl/src/extra/libs/png/lv_png.c", "lib/lvgl/src/extra/libs/qrcode/lv_qrcode.c", "lib/lvgl/src/extra/libs/qrcode/qrcodegen.c", "lib/lvgl/src/extra/libs/rlottie/lv_rlottie.c", "lib/lvgl/src/extra/libs/sjpg/lv_sjpg.c", "lib/lvgl/src/extra/libs/sjpg/tjpgd.c", "lib/lvgl/src/extra/lv_extra.c", "lib/lvgl/src/extra/others/fragment/lv_fragment.c", "lib/lvgl/src/extra/others/fragment/lv_fragment_manager.c", "lib/lvgl/src/extra/others/gridnav/lv_gridnav.c", "lib/lvgl/src/extra/others/ime/lv_ime_pinyin.c", "lib/lvgl/src/extra/others/imgfont/lv_imgfont.c", "lib/lvgl/src/extra/others/monkey/lv_monkey.c", "lib/lvgl/src/extra/others/msg/lv_msg.c", "lib/lvgl/src/extra/others/snapshot/lv_snapshot.c", "lib/lvgl/src/extra/themes/basic/lv_theme_basic.c", "lib/lvgl/src/extra/themes/default/lv_theme_default.c", "lib/lvgl/src/extra/themes/mono/lv_theme_mono.c", "lib/lvgl/src/extra/widgets/animimg/lv_animimg.c", "lib/lvgl/src/extra/widgets/calendar/lv_calendar.c", "lib/lvgl/src/extra/widgets/calendar/lv_calendar_header_arrow.c", "lib/lvgl/src/extra/widgets/calendar/lv_calendar_header_dropdown.c", "lib/lvgl/src/extra/widgets/chart/lv_chart.c", "lib/lvgl/src/extra/widgets/colorwheel/lv_colorwheel.c", "lib/lvgl/src/extra/widgets/imgbtn/lv_imgbtn.c", "lib/lvgl/src/extra/widgets/keyboard/lv_keyboard.c", "lib/lvgl/src/extra/widgets/led/lv_led.c", "lib/lvgl/src/extra/widgets/list/lv_list.c", "lib/lvgl/src/extra/widgets/menu/lv_menu.c", "lib/lvgl/src/extra/widgets/meter/lv_meter.c", "lib/lvgl/src/extra/widgets/msgbox/lv_msgbox.c", "lib/lvgl/src/extra/widgets/span/lv_span.c", "lib/lvgl/src/extra/widgets/spinbox/lv_spinbox.c", "lib/lvgl/src/extra/widgets/spinner/lv_spinner.c", "lib/lvgl/src/extra/widgets/tabview/lv_tabview.c", "lib/lvgl/src/extra/widgets/tileview/lv_tileview.c", "lib/lvgl/src/extra/widgets/win/lv_win.c", "lib/lvgl/src/font/lv_font.c", "lib/lvgl/src/font/lv_font_fmt_txt.c", "lib/lvgl/src/font/lv_font_loader.c", "lib/lvgl/src/hal/lv_hal_disp.c", "lib/lvgl/src/hal/lv_hal_indev.c", "lib/lvgl/src/hal/lv_hal_tick.c", "lib/lvgl/src/misc/lv_anim.c", "lib/lvgl/src/misc/lv_anim_timeline.c", "lib/lvgl/src/misc/lv_area.c", "lib/lvgl/src/misc/lv_async.c", "lib/lvgl/src/misc/lv_bidi.c", "lib/lvgl/src/misc/lv_color.c", "lib/lvgl/src/misc/lv_fs.c", "lib/lvgl/src/misc/lv_gc.c", "lib/lvgl/src/misc/lv_ll.c", "lib/lvgl/src/misc/lv_log.c", "lib/lvgl/src/misc/lv_lru.c", "lib/lvgl/src/misc/lv_math.c", "lib/lvgl/src/misc/lv_mem.c", "lib/lvgl/src/misc/lv_printf.c", "lib/lvgl/src/misc/lv_style.c", "lib/lvgl/src/misc/lv_style_gen.c", "lib/lvgl/src/misc/lv_templ.c", "lib/lvgl/src/misc/lv_timer.c", "lib/lvgl/src/misc/lv_tlsf.c", "lib/lvgl/src/misc/lv_txt.c", "lib/lvgl/src/misc/lv_txt_ap.c", "lib/lvgl/src/misc/lv_utils.c", "lib/lvgl/src/widgets/lv_arc.c", "lib/lvgl/src/widgets/lv_bar.c", "lib/lvgl/src/widgets/lv_btn.c", "lib/lvgl/src/widgets/lv_btnmatrix.c", "lib/lvgl/src/widgets/lv_canvas.c", "lib/lvgl/src/widgets/lv_checkbox.c", "lib/lvgl/src/widgets/lv_dropdown.c", "lib/lvgl/src/widgets/lv_img.c", "lib/lvgl/src/widgets/lv_label.c", "lib/lvgl/src/widgets/lv_line.c", "lib/lvgl/src/widgets/lv_objx_templ.c", "lib/lvgl/src/widgets/lv_roller.c", "lib/lvgl/src/widgets/lv_slider.c", "lib/lvgl/src/widgets/lv_switch.c", "lib/lvgl/src/widgets/lv_table.c", "lib/lvgl/src/widgets/lv_textarea.c", }; /// LVGL log levels based on LV_LOG_LEVEL_xxx. /// note that the messages are printed from a zig fn callback, always with .info std.log.Level. const LVGLLogLevel = enum { trace, info, warn, err, user, none, /// returns default mode based on the compiler optimization flags. /// similar to std.log.default_level. fn default(mode: std.builtin.Mode) @This() { return switch (mode) { .Debug => .info, .ReleaseSafe => .warn, .ReleaseFast, .ReleaseSmall => .err, }; } /// returns a C #define value for LVGL config. fn text(self: @This()) []const u8 { return switch (self) { .trace => "LV_LOG_LEVEL_TRACE", .info => "LV_LOG_LEVEL_INFO", .warn => "LV_LOG_LEVEL_WARN", .err => "LV_LOG_LEVEL_ERROR", .user => "LV_LOG_LEVEL_USER", .none => "LV_LOG_LEVEL_NONE", }; } }; /// VersionStep injects a release build semantic version into buildopts as "semver". /// the make step fails if the inver input version and the one found in a git tag mismatch. /// /// while git-tagged versions are expected to be in vformat, input version /// to match against is any format supported by std.SemanticVersion.parse. /// input version is optional; if unset, make fn succeeds given a correctly formatted /// git tag is found. const VersionStep = struct { inver: ?[]const u8, // input version in std.SemanticVersion.parse format buildopts: *std.build.OptionsStep, // where to store the build version b: *std.build.Builder, step: std.build.Step, fn create(b: *std.build.Builder, o: *std.build.OptionsStep, inver: ?[]const u8) *std.build.Step { const vstep = b.allocator.create(VersionStep) catch unreachable; vstep.* = VersionStep{ .inver = inver, .buildopts = o, .b = b, .step = std.build.Step.init(.custom, "VersionStep: ndg semver", b.allocator, make), }; return &vstep.step; } fn make(step: *std.build.Step) anyerror!void { const self = @fieldParentPtr(VersionStep, "step", step); const semver = try self.eval(); std.log.info("build version: {any}", .{semver}); self.buildopts.addOption(std.SemanticVersion, "semver", semver); } fn eval(self: *VersionStep) !std.SemanticVersion { const repover = try self.gitver(); if (self.inver) |v| { const insem = std.SemanticVersion.parse(v) catch |err| { std.log.err("invalid input semver '{s}': {any}", .{ v, err }); return err; }; if (repover != null and insem.order(repover.?) != .eq) { std.log.err("input and repo semver mismatch: {any} vs {any}", .{ insem, repover }); return error.VersionMismatch; } return insem; } if (repover == null) { std.log.err("must supply build semver from command line.", .{}); return error.MissingVersion; } return repover.?; } fn gitver(self: *VersionStep) !?std.SemanticVersion { if (!std.process.can_spawn) { return null; } const git = self.b.findProgram(&[_][]const u8{"git"}, &[_][]const u8{}) catch return null; const prefix = "v"; // git tag prefix const matchTag = self.b.fmt("{s}*.*.*", .{prefix}); const cmd = [_][]const u8{ git, "-C", self.b.pathFromRoot("."), "describe", "--match", matchTag, "--tags", "--abbrev=8" }; var code: u8 = undefined; const git_describe = self.b.execAllowFail(&cmd, &code, .Ignore) catch return null; const repotag = std.mem.trim(u8, git_describe, " \n\r")[prefix.len..]; return std.SemanticVersion.parse(repotag) catch |err| ret: { std.log.err("unparsable git tag semver '{s}': {any}", .{ repotag, err }); break :ret err; }; } };