ghostty/pkg/breakpad/build.zig
Mitchell Hashimoto 0f1860f066 build: use a libc txt file to point to correct Apple SDK
This fixes an issue where Ghostty would not build against the macOS 15.5 SDK.

What was happening was that Zig was adding its embedded libc paths to
the clang command line, which included old headers that were
incompatible with the latest (macOS 15.5) SDK. Ghostty was adding the
newer paths but they were being overridden by the embedded libc paths.

The reason this was happening is because Zig was using its own logic to
find the libc paths and this was colliding with the paths we were
setting manually. To fix this, we now use a `libc.txt` file that
explicitly tells Zig where to find libc, and we base this on our own SDK
search logic.
2025-05-29 15:04:05 -07:00

158 lines
5.0 KiB
Zig

const std = @import("std");
pub fn build(b: *std.Build) !void {
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const lib = b.addStaticLibrary(.{
.name = "breakpad",
.target = target,
.optimize = optimize,
});
lib.linkLibCpp();
lib.addIncludePath(b.path("vendor"));
if (target.result.os.tag.isDarwin()) {
const apple_sdk = @import("apple_sdk");
try apple_sdk.addPaths(b, lib);
}
var flags = std.ArrayList([]const u8).init(b.allocator);
defer flags.deinit();
try flags.appendSlice(&.{});
if (b.lazyDependency("breakpad", .{})) |upstream| {
lib.addIncludePath(upstream.path("src"));
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = common,
.flags = flags.items,
});
if (target.result.os.tag.isDarwin()) {
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = common_apple,
.flags = flags.items,
});
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = client_apple,
.flags = flags.items,
});
switch (target.result.os.tag) {
.macos => {
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = common_mac,
.flags = flags.items,
});
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = client_mac,
.flags = flags.items,
});
},
.ios => lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = client_ios,
.flags = flags.items,
}),
else => {},
}
}
if (target.result.os.tag == .linux) {
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = common_linux,
.flags = flags.items,
});
lib.addCSourceFiles(.{
.root = upstream.path(""),
.files = client_linux,
.flags = flags.items,
});
}
lib.installHeadersDirectory(
upstream.path("src"),
"",
.{ .include_extensions = &.{".h"} },
);
}
b.installArtifact(lib);
}
const common: []const []const u8 = &.{
"src/common/convert_UTF.cc",
"src/common/md5.cc",
"src/common/string_conversion.cc",
};
const common_linux: []const []const u8 = &.{
"src/common/linux/elf_core_dump.cc",
"src/common/linux/elfutils.cc",
"src/common/linux/file_id.cc",
"src/common/linux/guid_creator.cc",
"src/common/linux/linux_libc_support.cc",
"src/common/linux/memory_mapped_file.cc",
"src/common/linux/safe_readlink.cc",
"src/common/linux/scoped_pipe.cc",
"src/common/linux/scoped_tmpfile.cc",
"src/common/linux/breakpad_getcontext.S",
};
const common_apple: []const []const u8 = &.{
"src/common/mac/arch_utilities.cc",
"src/common/mac/file_id.cc",
"src/common/mac/macho_id.cc",
"src/common/mac/macho_utilities.cc",
"src/common/mac/macho_walker.cc",
"src/common/mac/string_utilities.cc",
};
const common_mac: []const []const u8 = &.{
"src/common/mac/MachIPC.mm",
"src/common/mac/bootstrap_compat.cc",
};
const client_linux: []const []const u8 = &.{
"src/client/minidump_file_writer.cc",
"src/client/linux/crash_generation/crash_generation_client.cc",
"src/client/linux/crash_generation/crash_generation_server.cc",
"src/client/linux/dump_writer_common/thread_info.cc",
"src/client/linux/dump_writer_common/ucontext_reader.cc",
"src/client/linux/handler/exception_handler.cc",
"src/client/linux/handler/minidump_descriptor.cc",
"src/client/linux/log/log.cc",
"src/client/linux/microdump_writer/microdump_writer.cc",
"src/client/linux/minidump_writer/linux_core_dumper.cc",
"src/client/linux/minidump_writer/linux_dumper.cc",
"src/client/linux/minidump_writer/linux_ptrace_dumper.cc",
"src/client/linux/minidump_writer/minidump_writer.cc",
"src/client/linux/minidump_writer/pe_file.cc",
};
const client_apple: []const []const u8 = &.{
"src/client/minidump_file_writer.cc",
"src/client/mac/handler/breakpad_nlist_64.cc",
"src/client/mac/handler/dynamic_images.cc",
"src/client/mac/handler/minidump_generator.cc",
};
const client_mac: []const []const u8 = &.{
"src/client/mac/handler/exception_handler.cc",
"src/client/mac/crash_generation/crash_generation_client.cc",
};
const client_ios: []const []const u8 = &.{
"src/client/ios/exception_handler_no_mach.cc",
"src/client/ios/handler/ios_exception_minidump_generator.mm",
"src/client/mac/crash_generation/ConfigFile.mm",
"src/client/mac/handler/protected_memory_allocator.cc",
};