在../../tools/android-sdk-mac_86/ndk-bundle/toolchains/llvm/prebuilt/darwin-x86_64/sysroot/usr/include/bits/fortify/string.h #if __ANDROID_API__ >= __ANDROID_API_J_MR1__ return __builtin___strcat_chk(dst, src, __bos(dst)); undefined reference to '__strcat_chk'