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const std = @import("std");
const builtin = @import("builtin");
const apple_sdk = @import("apple_sdk");
const Framework = struct {
const Tag = enum { all, macos };
tag: Tag,
name: []const u8,
headers: []const []const u8,
};
const frameworks = [_]Framework{
.{ .tag = .all, .name = "CoreFoundation", .headers = &.{"CoreFoundation.h"} },
.{ .tag = .all, .name = "CoreGraphics", .headers = &.{"CoreGraphics.h"} },
.{ .tag = .all, .name = "CoreText", .headers = &.{"CoreText.h"} },
.{ .tag = .all, .name = "CoreVideo", .headers = &.{ "CoreVideo.h", "CVPixelBuffer.h" } },
.{ .tag = .all, .name = "QuartzCore", .headers = &.{"CALayer.h"} },
.{ .tag = .all, .name = "IOSurface", .headers = &.{"IOSurfaceRef.h"} },
.{ .tag = .macos, .name = "Carbon", .headers = &.{"Carbon.h"} },
};
const extra_headers = [_][]const u8{
"dispatch/dispatch.h",
"os/log.h",
"os/signpost.h",
};
const framework_header_fmt = "#include <{s}/{s}>\n";
const extra_header_fmt = "#include <{s}>\n";
fn cSourceLen(tag: Framework.Tag) usize {
var len: usize = 0;
for (frameworks) |framework| {
if (tag != .macos and framework.tag == .macos) continue;
for (framework.headers) |h| len += std.fmt.count(framework_header_fmt, .{ framework.name, h });
}
for (extra_headers) |h| len += std.fmt.count(extra_header_fmt, .{h});
return len;
}
fn genCSource(comptime tag: Framework.Tag) [cSourceLen(tag):0]u8 {
const len = cSourceLen(tag);
var buf: [len:0]u8 = undefined;
var writer: std.Io.Writer = .fixed(&buf);
for (frameworks) |framework| {
if (tag != .macos and framework.tag == .macos) continue;
for (framework.headers) |h| writer.print(framework_header_fmt, .{ framework.name, h }) catch unreachable;
}
for (extra_headers) |h| writer.print(extra_header_fmt, .{h}) catch unreachable;
buf[len] = 0;
return buf;
}
const c_source_macos = genCSource(.macos);
const c_source_other = genCSource(.all);
fn linkFrameworks(tag: Framework.Tag, module: *std.Build.Module) !void {
for (frameworks) |framework| {
if (tag != .macos and framework.tag == .macos) continue;
module.linkFramework(framework.name, .{});
}
}
pub fn build(b: *std.Build) !void {
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const module = b.addModule("macos", .{
.root_source_file = b.path("main.zig"),
.target = target,
.optimize = optimize,
});
translate: {
const translate_c = b.lazyImport(@This(), "translate_c") orelse break :translate;
const translate_c_dep = b.lazyDependency("translate_c", .{}) orelse break :translate;
const macos_c: translate_c.Translator = .init(translate_c_dep, .{
.c_source_file = b.addWriteFiles().add(
"macos_c.h",
if (target.result.os.tag == .macos) &c_source_macos else &c_source_other,
),
.target = target,
.optimize = optimize,
.libc_file = if (target.result.os.tag.isDarwin()) libc_file: {
switch (try apple_sdk.pathsForTarget(b, target.result)) {
inline else => |paths| break :libc_file paths.libc,
}
} else null,
});
// Blocks need to be enabled to use MacOS headers
macos_c.run.addArg("-fblocks");
module.addImport("macos_c", macos_c.mod);
}
const lib = b.addLibrary(.{
.name = "macos",
.root_module = b.createModule(.{
.target = target,
.optimize = optimize,
}),
.linkage = .static,
});
lib.root_module.addCSourceFile(.{
.file = b.path("os/zig_macos.c"),
.flags = &.{"-std=c99"},
});
lib.root_module.addCSourceFile(.{
.file = b.path("text/ext.c"),
});
inline for (.{ lib.root_module, module }) |mod| {
try linkFrameworks(if (target.result.os.tag == .macos) .macos else .all, mod);
}
try apple_sdk.addPaths(b, lib);
b.installArtifact(lib);
{
const test_exe = b.addTest(.{
.name = "test",
.root_module = b.createModule(.{
.root_source_file = b.path("main.zig"),
.target = target,
.optimize = optimize,
}),
});
if (target.result.os.tag.isDarwin()) {
try apple_sdk.addPaths(b, test_exe);
}
test_exe.root_module.linkLibrary(lib);
var it = module.import_table.iterator();
while (it.next()) |entry| {
test_exe.root_module.addImport(
entry.key_ptr.*,
entry.value_ptr.*,
);
}
b.installArtifact(test_exe);
const tests_run = b.addRunArtifact(test_exe);
const test_step = b.step("test", "Run tests");
test_step.dependOn(&tests_run.step);
}
}
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