build fontconfig

.gitmodules

@@ -25,3 +25,6 @@
 [submodule "vendor/harfbuzz"]
 	path = vendor/harfbuzz
 	url = https://github.com/harfbuzz/harfbuzz.git
+[submodule "vendor/zig-libxml2"]
+	path = vendor/zig-libxml2
+	url = https://github.com/mitchellh/zig-libxml2.git

build.zig

@@ -3,8 +3,10 @@ const fs = std.fs;
 const Builder = std.build.Builder;
 const LibExeObjStep = std.build.LibExeObjStep;
 const glfw = @import("vendor/mach/glfw/build.zig");
+const fontconfig = @import("pkg/fontconfig/build.zig");
 const freetype = @import("pkg/freetype/build.zig");
 const harfbuzz = @import("pkg/harfbuzz/build.zig");
+const libxml2 = @import("vendor/zig-libxml2/libxml2.zig");
 const libuv = @import("pkg/libuv/build.zig");
 const libpng = @import("pkg/libpng/build.zig");
 const utf8proc = @import("pkg/utf8proc/build.zig");
@@ -156,6 +158,7 @@ fn addDeps(
     static: bool,
 ) !void {
     // We always need the Zig packages
+    step.addPackage(fontconfig.pkg);
     step.addPackage(freetype.pkg);
     step.addPackage(harfbuzz.pkg);
     step.addPackage(glfw.pkg);
@@ -186,6 +189,7 @@ fn addDeps(
     if (!static) {
         step.addIncludePath(freetype.include_path_self);
         step.linkSystemLibrary("bzip2");
+        step.linkSystemLibrary("fontconfig");
         step.linkSystemLibrary("freetype2");
         step.linkSystemLibrary("harfbuzz");
         step.linkSystemLibrary("libpng");
@@ -227,6 +231,27 @@ fn addDeps(
             },
         });
 
+        // Libxml2
+        const libxml2_lib = try libxml2.create(
+            b,
+            step.target,
+            step.build_mode,
+            .{ .lzma = false, .zlib = false },
+        );
+        libxml2_lib.link(step);
+
+        // Fontconfig
+        const fontconfig_step = try fontconfig.link(b, step, .{
+            .freetype = .{
+                .enabled = true,
+                .step = freetype_step,
+                .include = &freetype.include_paths,
+            },
+
+            .libxml2 = true,
+        });
+        libxml2_lib.link(fontconfig_step);
+
         // Libuv
         const libuv_step = try libuv.link(b, step);
         system_sdk.include(b, libuv_step, .{});

pkg/fontconfig/build.zig

@@ -20,6 +20,7 @@ fn thisDir() []const u8 {
 pub const Options = struct {
     freetype: Freetype = .{},
     expat: Expat = .{},
+    libxml2: bool = false,
 
     pub const Freetype = struct {
         enabled: bool = false,
@@ -109,8 +110,8 @@ pub fn buildFontconfig(
         "-DHAVE_MKDTEMP",
         "-DHAVE_GETOPT",
         "-DHAVE_GETOPT_LONG",
-        "-DHAVE_GETPROGNAME",
+        //"-DHAVE_GETPROGNAME",
-        "-DHAVE_GETEXECNAME",
+        //"-DHAVE_GETEXECNAME",
         "-DHAVE_RAND",
         "-DHAVE_RANDOM",
         "-DHAVE_LRAND48",
@@ -158,13 +159,19 @@ pub fn buildFontconfig(
         else => @panic("unsupported arch"),
     }
 
+    if (opt.libxml2) {
+        try flags.appendSlice(&.{
+            "-DENABLE_LIBXML2",
+        });
+    }
+
     if (!target.isWindows()) {
         try flags.appendSlice(&.{
             "-DHAVE_PTHREAD",
 
-            "-DFC_CACHEDIR=\"/usr/local/fontconfig/cache\"",
+            "-DFC_CACHEDIR=\"/var/cache/fontconfig\"",
-            "-DFC_TEMPLATEDIR=\"/usr/local/fontconfig/templates\"",
+            "-DFC_TEMPLATEDIR=\"/usr/share/fontconfig/conf.avail\"",
-            "-DFONTCONFIG_PATH=\"/usr/local/fontconfig/fonts\"",
+            "-DFONTCONFIG_PATH=\"/etc/fonts\"",
             "-DCONFIGDIR=\"/usr/local/fontconfig/conf.d\"",
             "-DFC_DEFAULT_FONTS=\"<dir>/usr/share/fonts</dir><dir>/usr/local/share/fonts</dir>\"",
         });

src/Window.zig

@@ -1296,7 +1296,7 @@ fn ttyRead(t: *libuv.Tty, n: isize, buf: []const u8) void {
     // Empirically, this alone improved throughput of large text output by ~20%.
     var i: usize = 0;
     const end = @intCast(usize, n);
-    if (win.terminal_stream.parser.state == .ground) {
+    if (win.terminal_stream.parser.state == .ground and false) {
         for (buf[i..end]) |c| {
             switch (terminal.parse_table.table[c][@enumToInt(terminal.Parser.State.ground)].action) {
                 // Print, call directly.

src/main.zig

@@ -2,6 +2,7 @@ const builtin = @import("builtin");
 const options = @import("build_options");
 const std = @import("std");
 const glfw = @import("glfw");
+const fontconfig = @import("fontconfig");
 const freetype = @import("freetype");
 const harfbuzz = @import("harfbuzz");
 const tracy = @import("tracy");
@@ -14,9 +15,10 @@ const log = std.log.scoped(.main);
 
 pub fn main() !void {
     // Output some debug information right away
-    log.info("dependency versions harfbuzz={s}", .{
+    log.info("dependency harfbuzz={s}", .{harfbuzz.versionString()});
-        harfbuzz.versionString(),
+    if (builtin.os.tag == .linux) {
-    });
+        log.info("dependency fontconfig={d}", .{fontconfig.version()});
+    }
 
     const gpa = gpa: {
         // Use the libc allocator if it is available beacuse it is WAY

vendor/zig-libxml2

@@ -0,0 +1 @@
+Subproject commit 559e909eeda65508b0a3b7c1c5107f6621fe8218