Shipping .a library in Swift Package

Development Package Manager
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1

Can't find any info about it in documentation or on public forums, I've created a simple project that looks like this:

// swift-tools-version:5.3
import PackageDescription

let package = Package(
    name: "foo_swift",
    products: [
        .library(
            name: "foo",
            targets: ["FooStatic"]),
    ],
    targets: [
        .target(
            name: "FooStatic",
            dependencies: [],
            path: "Sources/",
            publicHeadersPath: "include",
            cSettings: [
                .headerSearchPath("include")
            ],
            cxxSettings: [
                .headerSearchPath("include")
            ],
            linkerSettings: [
                .unsafeFlags(["-Llib", "-lfoo.a"])
            ]
        )
    ],
    cxxLanguageStandard: .cxx11
)

I've created a lib folder in the root and put libfoo.a there, when I do swift build it passes but when I connect this library as a dependency in Xcode, I get an error that neither Library Search Path nor the library could be found. What am I missing?

2

Create an xcframework from your library: Creating a multiplatform binary framework bundle | Apple Developer Documentation