ndk 64bit

Androidでの話です。
ARMの64ビット用にビルドする方法を調べました。

arm64-v8aをApplication.mkへ追加すればいいようです。

android-ndk-r10dのdocsのABI Management

file:///D:/android-ndk-r10d/docs/Programmers_Guide/html/md_3__key__topics__c_p_u__support__chapter_1-section_8__a_b_is.html

Supported ABIs

Overview

Table 1 provides an at-a-glance overview of each ABI's supported instruction sets and capabilities.

	Instruction Set(s)	Notes
armeabi	ARMV5TE and later Thumb-1	No hard float.
armeabi-v7a	armeabi Thumb-2 VFPv3-D16 other optional	Hard float when specified as armeabi-v7a-hard. Incompatible with ARMv5, v6 devices.
arm64-v8a	AArch-64
x86	x86 (IA-32) MMX SSE/2/3 SSSE3	No support for MOVBE or SSE4.
x86-64	x86-64 MMX SSE/2/3 SSSE3 SSE4.1, 4.2 POPCNT
mips	MIPS32r1 and later	Hard float.
mips64	MIPS64r6

arm64-v8a
This ABI is for ARMv8-based CPUs that support AArch64.

For more information, see the ARMv8 Technology Preview, and contact ARM for further details.
http://www.arm.com/files/downloads/ARMv8_Architecture.pdf

 APP_ABI := armeabi armeabi-v7a arm64-v8a

 lib/<abi>/lib<name>.so

    lib/armeabi/libfoo.so
    lib/armeabi-v7a/libfoo.so
    lib/arm64-v8a/libfoo.so
    lib/x86/libfoo.so
    lib/x86-64/libfoo.so
    lib/mips/libfoo.so
    lib/mips64/libfoo.so