Source
pub fn detectFromBuilding(
arena: Allocator,
zig_lib_dir: []const u8,
target: std.Target,
) !LibCDirs {
const s = std.fs.path.sep_str;
if (target.os.tag.isDarwin()) {
const list = try arena.alloc([]const u8, 1);
list[0] = try std.fmt.allocPrint(
arena,
"{s}" ++ s ++ "libc" ++ s ++ "include" ++ s ++ "any-macos-any",
.{zig_lib_dir},
);
return .{
.libc_include_dir_list = list,
.libc_installation = null,
.libc_framework_dir_list = &.{},
.sysroot = null,
.darwin_sdk_layout = .vendored,
};
}
const generic_name = libCGenericName(target);
// Some architecture families are handled by the same set of headers.
const arch_name = if (target.abi.isMusl())
std.zig.target.muslArchNameHeaders(target.cpu.arch)
else
@tagName(target.cpu.arch);
const os_name = @tagName(target.os.tag);
const abi_name = if (target.abi.isMusl())
std.zig.target.muslAbiNameHeaders(target.abi)
else
@tagName(target.abi);
const arch_include_dir = try std.fmt.allocPrint(
arena,
"{s}" ++ s ++ "libc" ++ s ++ "include" ++ s ++ "{s}-{s}-{s}",
.{ zig_lib_dir, arch_name, os_name, abi_name },
);
const generic_include_dir = try std.fmt.allocPrint(
arena,
"{s}" ++ s ++ "libc" ++ s ++ "include" ++ s ++ "generic-{s}",
.{ zig_lib_dir, generic_name },
);
const generic_arch_name = std.zig.target.osArchName(target);
const arch_os_include_dir = try std.fmt.allocPrint(
arena,
"{s}" ++ s ++ "libc" ++ s ++ "include" ++ s ++ "{s}-{s}-any",
.{ zig_lib_dir, generic_arch_name, os_name },
);
const generic_os_include_dir = try std.fmt.allocPrint(
arena,
"{s}" ++ s ++ "libc" ++ s ++ "include" ++ s ++ "any-{s}-any",
.{ zig_lib_dir, os_name },
);
const list = try arena.alloc([]const u8, 4);
list[0] = arch_include_dir;
list[1] = generic_include_dir;
list[2] = arch_os_include_dir;
list[3] = generic_os_include_dir;
return .{
.libc_include_dir_list = list,
.libc_installation = null,
.libc_framework_dir_list = &.{},
.sysroot = null,
.darwin_sdk_layout = .vendored,
};
}