Android JNI中的C ++ 11随机库

Question

I am trying to compile an Android app with a native component that uses the C++ random library.

My Application.mk file is:

APP_STL := stlport_static
APP_CPPFLAGS += -std=gnu++11
NDK_TOOLCHAIN_VERSION := 4.8

On compilation I get the error:

[armeabi] Compile++ thumb: Project <= main.cpp
/home/user/project/main.cpp:12:18: fatal error: random: No such file or directory
#include <random>

Is the random library available for Android?

Answer 1

APP_STL := stlport_static

APP_CPPFLAGS += -std=gnu++11

NDK_TOOLCHAIN_VERSION := 4.8

You're building agains STLPort - which as far as I can tell - is a C++03 standard library implementation. Hence it won't have C++11 headers.

Of the other options , you might consider:

APP_STL:= gnustl_static

or

APP_STL:= c++_static

Which give you GNU libstd++ or LLVM's libc++ respectively. If you are concerned about GPL polution to your app (as Google clearly are not using libstd++ by default), use libc++. You might as well you clang as the compiler as well at this point.