Xcode 15 向けに Podfile 修正

ios/Podfile

@@ -37,6 +37,15 @@ end
 post_install do |installer|
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
+
+    target.build_configurations.each do |config|
+      # --- Fix for Xcode 15.0 ---
+      xcconfig_path = config.base_configuration_reference.real_path
+      xcconfig = File.read(xcconfig_path)
+      xcconfig_mod = xcconfig.gsub(/DT_TOOLCHAIN_DIR/, "TOOLCHAIN_DIR")
+      File.open(xcconfig_path, "w") { |file| file << xcconfig_mod }
+      # ---------------------------------
+    end
   end
   installer.generated_projects.each do |project|
     project.targets.each do |target|