[Xcode] C++11 Standard Library: libc++ (LLVM C++ standard library with C++11 support)
When developing iOS apps, the QR code library “ZXing” wouldn’t build as-is.
It seems you need to use LLVM C++ during build, so here’s a memo of that setting.
In the Pods project, with Pods-ZXing selected:
Change this item from Compiler Default to libc++ (LLVM C++ standard library with C++ 11 support).
・XCodeでC++11を使う方法 - 亀岡的プログラマ日記
That’s all from the Gemba.