first successful ipad build

Signed-off-by: Sienna Meridian Satterwhite <sienna@r3t.io>

crates/libmarathon/build.rs

@@ -0,0 +1,85 @@
+use std::env;
+use std::path::PathBuf;
+use std::process::Command;
+
+fn main() {
+    // Only compile Swift code when building for iOS
+    let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap_or_default();
+
+    if target_os != "ios" {
+        println!("cargo:warning=Not building for iOS, skipping Swift compilation");
+        return;
+    }
+
+    println!("cargo:warning=Building Swift bridge for iOS");
+
+    let manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+
+    let swift_src = manifest_dir.join("src/platform/ios/PencilCapture.swift");
+    let header = manifest_dir.join("src/platform/ios/PencilBridge.h");
+    let object_file = out_dir.join("PencilCapture.o");
+
+    // Get the iOS SDK path
+    let sdk_output = Command::new("xcrun")
+        .args(&["--sdk", "iphoneos", "--show-sdk-path"])
+        .output()
+        .expect("Failed to get iOS SDK path");
+
+    let sdk_path = String::from_utf8_lossy(&sdk_output.stdout).trim().to_string();
+
+    println!("cargo:warning=Using iOS SDK: {}", sdk_path);
+
+    // Compile Swift to object file
+    let status = Command::new("swiftc")
+        .args(&[
+            "-sdk", &sdk_path,
+            "-target", "arm64-apple-ios14.0",  // Minimum iOS 14
+            "-import-objc-header", header.to_str().unwrap(),
+            "-parse-as-library",
+            "-c", swift_src.to_str().unwrap(),
+            "-o", object_file.to_str().unwrap(),
+        ])
+        .status()
+        .expect("Failed to compile Swift");
+
+    if !status.success() {
+        panic!("Swift compilation failed");
+    }
+
+    println!("cargo:warning=Swift compilation succeeded");
+
+    // Create static library from object file
+    let lib_file = out_dir.join("libPencilCapture.a");
+    let ar_status = Command::new("ar")
+        .args(&[
+            "rcs",
+            lib_file.to_str().unwrap(),
+            object_file.to_str().unwrap(),
+        ])
+        .status()
+        .expect("Failed to create static library");
+
+    if !ar_status.success() {
+        panic!("Failed to create static library");
+    }
+
+    println!("cargo:warning=Created static library: {}", lib_file.display());
+
+    // Tell Cargo to link the static library
+    println!("cargo:rustc-link-search=native={}", out_dir.display());
+    println!("cargo:rustc-link-lib=static=PencilCapture");
+
+    // Link Swift standard library
+    println!("cargo:rustc-link-lib=dylib=swiftCore");
+    println!("cargo:rustc-link-lib=dylib=swiftFoundation");
+    println!("cargo:rustc-link-lib=dylib=swiftUIKit");
+
+    // Link iOS frameworks
+    println!("cargo:rustc-link-lib=framework=UIKit");
+    println!("cargo:rustc-link-lib=framework=Foundation");
+
+    // Rerun if Swift files change
+    println!("cargo:rerun-if-changed={}", swift_src.display());
+    println!("cargo:rerun-if-changed={}", header.display());
+}