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arm平台部分工具的交叉编译移植方法

Jack serverThe Jack server’s goal is to handle a pool of Jack compiler instances in order to limit memory usage and benefit from already warm instances.Android7.0系统编译工具链使用了全新的Jack server来取代以往的编译器工具Jack is a new Android toolchain that compiles Java sourc

Neon（ARM架构处理器扩展结构）Neon是适用于ARM Cortex-A系列处理器的一种128位SIMD(Single Instruction, Multiple Data,单指令、多数据)扩展结构。FPU：(Float Point Unit，浮点运算单元)FPU是专用于浮点运算的处理器，以前的FPU是一种单独芯片，在486之后，英特尔把FPU集成在CPU之内。-mfpu -mfloat-abiarm-linux-gcc -march=armv7-a -mfpu=neon -mfloat-ab

添加编译包添加quectel-CM appOK3399-linux-source$ ls app/quectel-CMbuild.sh ethtool-copy.h main.c MPQCTL.h MPQMUX.h QMIThread.c quectel-CM quectel-qmi-proxy udhcpc.c util.hdefault.script GobiNetCM.c Makefile

Android makefileinherit函数## $(1): product to inherit## Does three things:# 1. Inherits all of the variables from $1.# 2. Records the inheritance in the .INHERITS_FROM variable# 3. Records that we've visited this node, in ALL_PRODUCTS#define in