Android 多平台编译脚本

#!/bin/bash
#android_build.sh
#ndk的路径，替换为自己的路径
export NDK_PATH=android-ndk-r16b
#将要构建的架构
TARGETS=(arm64-v8a armeabi armeabi-v7a mips mips64 x86 x86_64)
#清除build文件夹下的内容
function clean_build() {
	if ([ -d build ]); then
		echo "prepare to clean cache"
		(rm -rf ./build/*)
		echo "complete"
	else
		echo "build is not a directory"
		exit 0
	fi
}

function prepare_build() {
	# 检测是否有Build文件夹，有的话删除文件夹，没有的话创建文件夹
	if ([ -e build ]); then
		echo "you already have build dir"
		clean_build
	else
		echo "prepare to create dir build"
		mkdir build
	fi
}

function prepare_target() {
	#检测是否有所有的target文件夹，有则删除，没有则创建
	#文件存在且为目录
	if ([ -e target ] && [ -d target ]); then
		echo "prepare to clean target"
		rm -rf ./target/*
		echo "clean target complete"
	else
		echo "you not have target_dir,we will create it"
		mkdir target
	fi
}

function create_child_dir() {
	if ([ -e target ]); then
		(
			cd target
			mkdir $1
		)
	else
		echo "target is not a dir"
	fi
}

function create_all_child_dir() {
	for dir in ${TARGETS[@]}; do
		create_child_dir $dir
		echo "$dir created"
	done
}

function move_to_target() {
	if ([ -e ./build/libbcimgproc.so ]); then
		echo "prepare move target to ./target/$1"
		mv ./build/libbcimgproc.so ./target/$1
		mv ./build/libbcimgproc.so ./target/$1
		echo "move to ./target/$1 finished"
	else
		echo "move error"$()
	fi
}

function build_lib() {
	clean_build
	cd build
	#cmake ..
	/usr/local/cmake-3.10.3-Linux-x86_64/bin/cmake ..\
		-DCMAKE_SYSTEM_NAME=Android\
		-DCMAKE_SYSTEM_VERSION=21\
		-DCMAKE_ANDROID_ARCH_ABI=$1\
		-DCMAKE_ANDROID_NDK=$NDK_PATH\
		-DCMAKE_ANDROID_STL_TYPE=gnustl_static
}

function build_armeabi() {
	prepare_build
	prepare_target
	create_child_dir armeabi
	(
		build_lib armeabi
		make
	)
	move_to_target armeabi
}

function build_armeabi-v7a() {
	prepare_build
	prepare_target
	create_child_dir armeabi-v7a
	(
		build_lib armeabi_v7a
		make
	)
	move_to_target armeabi-v7a
}

function build_arm64-v8a() {
	prepare_build
	prepare_target
	create_child_dir arm64-8a
	(
		build_lib arm64-v8a
		make
	)
	move_to_target arm64-8a
}

function build_mips() {
	prepare_build
	prepare_target
	create_child_dir mips
	(
		build_lib mips
		make
	)
	move_to_target mips
}

function build_mips64() {
	prepare_build
	prepare_target
	create_child_dir mips64
	(
		build_lib mips64
		make
	)
	move_to_target mips64
}

function build_x86() {
	prepare_build
	prepare_target
	create_child_dir x86
	(
		build_lib x86
		make
	)
	move_to_target x86
}

function build_x86_64() {
	prepare_build
	prepare_target
	create_child_dir x86_64
	(
		build_lib x86_64
		make
	)
	move_to_target x86_64
}

function create_all_target() {
	prepare_build
	prepare_target
	create_all_child_dir
	for target in ${TARGETS[@]}; do
		(
			build_lib $target
			make
		)
		move_to_target $target
	done
}

#call build function
create_all_target