mirror of
https://github.com/ghostty-org/ghostty.git
synced 2025-07-14 15:56:13 +03:00
279 lines
8.3 KiB
Zig
279 lines
8.3 KiB
Zig
const std = @import("std");
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const NativeTargetInfo = std.zig.system.NativeTargetInfo;
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pub fn build(b: *std.Build) !void {
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const libxml2_enabled = b.option(bool, "enable-libxml2", "Build libxml2") orelse true;
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const libxml2_iconv_enabled = b.option(
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bool,
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"enable-libxml2-iconv",
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"Build libxml2 with iconv",
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) orelse (target.result.os.tag != .windows);
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const freetype_enabled = b.option(bool, "enable-freetype", "Build freetype") orelse true;
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const module = b.addModule("fontconfig", .{
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.root_source_file = b.path("main.zig"),
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.target = target,
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.optimize = optimize,
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});
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// For dynamic linking, we prefer dynamic linking and to search by
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// mode first. Mode first will search all paths for a dynamic library
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// before falling back to static.
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const dynamic_link_opts: std.Build.Module.LinkSystemLibraryOptions = .{
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.preferred_link_mode = .dynamic,
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.search_strategy = .mode_first,
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};
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const test_exe = b.addTest(.{
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.name = "test",
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.root_source_file = b.path("main.zig"),
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.target = target,
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.optimize = optimize,
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});
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const tests_run = b.addRunArtifact(test_exe);
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const test_step = b.step("test", "Run tests");
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test_step.dependOn(&tests_run.step);
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if (b.systemIntegrationOption("fontconfig", .{})) {
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module.linkSystemLibrary("fontconfig", dynamic_link_opts);
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test_exe.linkSystemLibrary2("fontconfig", dynamic_link_opts);
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} else {
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const lib = try buildLib(b, module, .{
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.target = target,
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.optimize = optimize,
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.libxml2_enabled = libxml2_enabled,
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.libxml2_iconv_enabled = libxml2_iconv_enabled,
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.freetype_enabled = freetype_enabled,
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.dynamic_link_opts = dynamic_link_opts,
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});
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test_exe.linkLibrary(lib);
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}
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}
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fn buildLib(b: *std.Build, module: *std.Build.Module, options: anytype) !*std.Build.Step.Compile {
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const target = options.target;
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const optimize = options.optimize;
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const libxml2_enabled = options.libxml2_enabled;
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const libxml2_iconv_enabled = options.libxml2_iconv_enabled;
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const freetype_enabled = options.freetype_enabled;
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const upstream = b.dependency("fontconfig", .{});
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const lib = b.addStaticLibrary(.{
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.name = "fontconfig",
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.target = target,
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.optimize = optimize,
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});
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lib.linkLibC();
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if (target.result.os.tag != .windows) {
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lib.linkSystemLibrary("pthread");
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}
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lib.addIncludePath(upstream.path(""));
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lib.addIncludePath(b.path("override/include"));
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module.addIncludePath(upstream.path(""));
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module.addIncludePath(b.path("override/include"));
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var flags = std.ArrayList([]const u8).init(b.allocator);
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defer flags.deinit();
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try flags.appendSlice(&.{
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"-DHAVE_DIRENT_H",
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"-DHAVE_FCNTL_H",
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"-DHAVE_STDLIB_H",
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"-DHAVE_STRING_H",
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"-DHAVE_UNISTD_H",
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"-DHAVE_SYS_PARAM_H",
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"-DHAVE_MKSTEMP",
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//"-DHAVE_GETPROGNAME",
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//"-DHAVE_GETEXECNAME",
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"-DHAVE_RAND",
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//"-DHAVE_RANDOM_R",
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"-DHAVE_VPRINTF",
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"-DHAVE_FT_GET_BDF_PROPERTY",
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"-DHAVE_FT_GET_PS_FONT_INFO",
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"-DHAVE_FT_HAS_PS_GLYPH_NAMES",
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"-DHAVE_FT_GET_X11_FONT_FORMAT",
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"-DHAVE_FT_DONE_MM_VAR",
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"-DHAVE_POSIX_FADVISE",
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//"-DHAVE_STRUCT_STATVFS_F_BASETYPE",
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// "-DHAVE_STRUCT_STATVFS_F_FSTYPENAME",
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// "-DHAVE_STRUCT_STATFS_F_FLAGS",
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// "-DHAVE_STRUCT_STATFS_F_FSTYPENAME",
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// "-DHAVE_STRUCT_DIRENT_D_TYPE",
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"-DFLEXIBLE_ARRAY_MEMBER",
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"-DHAVE_STDATOMIC_PRIMITIVES",
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"-DFC_GPERF_SIZE_T=size_t",
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// Default errors that fontconfig can't handle
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"-Wno-implicit-function-declaration",
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"-Wno-int-conversion",
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// https://gitlab.freedesktop.org/fontconfig/fontconfig/-/merge_requests/231
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"-fno-sanitize=undefined",
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"-fno-sanitize-trap=undefined",
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});
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switch (target.result.ptrBitWidth()) {
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32 => try flags.appendSlice(&.{
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"-DSIZEOF_VOID_P=4",
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"-DALIGNOF_VOID_P=4",
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}),
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64 => try flags.appendSlice(&.{
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"-DSIZEOF_VOID_P=8",
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"-DALIGNOF_VOID_P=8",
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}),
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else => @panic("unsupported arch"),
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}
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if (target.result.os.tag == .windows) {
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try flags.appendSlice(&.{
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"-DFC_CACHEDIR=\"LOCAL_APPDATA_FONTCONFIG_CACHE\"",
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"-DFC_TEMPLATEDIR=\"c:/share/fontconfig/conf.avail\"",
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"-DCONFIGDIR=\"c:/etc/fonts/conf.d\"",
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"-DFC_DEFAULT_FONTS=\"\\t<dir>WINDOWSFONTDIR</dir>\\n\\t<dir>WINDOWSUSERFONTDIR</dir>\\n\"",
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});
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} else {
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try flags.appendSlice(&.{
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"-DHAVE_FSTATFS",
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"-DHAVE_FSTATVFS",
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"-DHAVE_GETOPT",
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"-DHAVE_GETOPT_LONG",
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"-DHAVE_LINK",
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"-DHAVE_LRAND48",
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"-DHAVE_LSTAT",
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"-DHAVE_MKDTEMP",
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"-DHAVE_MKOSTEMP",
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"-DHAVE__MKTEMP_S",
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"-DHAVE_MMAP",
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"-DHAVE_PTHREAD",
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"-DHAVE_RANDOM",
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"-DHAVE_RAND_R",
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"-DHAVE_READLINK",
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"-DHAVE_SYS_MOUNT_H",
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"-DHAVE_SYS_STATVFS_H",
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"-DFC_CACHEDIR=\"/var/cache/fontconfig\"",
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"-DFC_TEMPLATEDIR=\"/usr/share/fontconfig/conf.avail\"",
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"-DFONTCONFIG_PATH=\"/etc/fonts\"",
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"-DCONFIGDIR=\"/usr/local/fontconfig/conf.d\"",
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"-DFC_DEFAULT_FONTS=\"<dir>/usr/share/fonts</dir><dir>/usr/local/share/fonts</dir>\"",
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});
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if (target.result.os.tag == .linux) {
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try flags.appendSlice(&.{
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"-DHAVE_SYS_STATFS_H",
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"-DHAVE_SYS_VFS_H",
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});
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}
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}
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const dynamic_link_opts = options.dynamic_link_opts;
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// Freetype2
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_ = b.systemIntegrationOption("freetype", .{}); // So it shows up in help
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if (freetype_enabled) {
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if (b.systemIntegrationOption("freetype", .{})) {
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lib.linkSystemLibrary2("freetype2", dynamic_link_opts);
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} else {
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const freetype_dep = b.dependency(
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"freetype",
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.{ .target = target, .optimize = optimize },
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);
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lib.linkLibrary(freetype_dep.artifact("freetype"));
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}
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}
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// Libxml2
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_ = b.systemIntegrationOption("libxml2", .{}); // So it shows up in help
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if (libxml2_enabled) {
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try flags.appendSlice(&.{
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"-DENABLE_LIBXML2",
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"-DLIBXML_STATIC",
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"-DLIBXML_PUSH_ENABLED",
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});
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if (target.result.os.tag == .windows) {
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// NOTE: this should be defined on all targets
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try flags.appendSlice(&.{
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"-Werror=implicit-function-declaration",
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});
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}
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if (b.systemIntegrationOption("libxml2", .{})) {
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lib.linkSystemLibrary2("libxml-2.0", dynamic_link_opts);
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} else {
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const libxml2_dep = b.dependency("libxml2", .{
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.target = target,
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.optimize = optimize,
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.iconv = libxml2_iconv_enabled,
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});
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lib.linkLibrary(libxml2_dep.artifact("xml2"));
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}
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}
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lib.addCSourceFiles(.{
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.root = upstream.path(""),
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.files = srcs,
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.flags = flags.items,
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});
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lib.installHeadersDirectory(
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upstream.path("fontconfig"),
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"fontconfig",
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.{ .include_extensions = &.{".h"} },
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);
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b.installArtifact(lib);
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return lib;
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}
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const headers = &.{
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"fontconfig/fontconfig.h",
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"fontconfig/fcprivate.h",
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"fontconfig/fcfreetype.h",
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};
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const srcs: []const []const u8 = &.{
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"src/fcatomic.c",
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"src/fccache.c",
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"src/fccfg.c",
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"src/fccharset.c",
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"src/fccompat.c",
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"src/fcdbg.c",
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"src/fcdefault.c",
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"src/fcdir.c",
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"src/fcformat.c",
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"src/fcfreetype.c",
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"src/fcfs.c",
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"src/fcptrlist.c",
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"src/fchash.c",
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"src/fcinit.c",
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"src/fclang.c",
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"src/fclist.c",
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"src/fcmatch.c",
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"src/fcmatrix.c",
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"src/fcname.c",
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"src/fcobjs.c",
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"src/fcpat.c",
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"src/fcrange.c",
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"src/fcserialize.c",
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"src/fcstat.c",
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"src/fcstr.c",
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"src/fcweight.c",
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"src/fcxml.c",
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"src/ftglue.c",
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};
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