1 概述

openssl可以编译成ARM下面的二进制代码（动态库或者静态库），方便APP使用，APP在使用的时候，需要使用JNI来进行调用。

本文章参考官方文档https://wiki.openssl.org/index.php/Android进行总结。

编译步骤：

1.下载NDK

2.下载openssl和setenv-android.sh

3.设置环境变量，配置openssl

4.编译

2 下载NDK

我使用的是SUSE Linux环境，首先需要下载NDK。地址：https://developer.android.com/ndk/downloads/，根据自己需要下载相应的版本，我这里使用的是android-ndk-r16b-linux-x86_64.zip，下载后进行解压。

wangning@SZX1000291132:/home/clouddragon/packages/tmp> unzip android-ndk-r16b-linux-x86_64.zip

3 下载openssl

下载openssl地址：https://github.com/openssl/openssl/releases。根据自己需要下载相应的版本，我使用的是openssl-OpenSSL_1_1_0g.tar.gz，下载后进行解压。

wangning@SZX1000291132:/home/clouddragon/packages/tmp> tar -xzf openssl-OpenSSL_1_1_0g.tar.gz

下载setenv-android.sh并根据自己需要进行相应变量的修改。

64位版本：setenv-android_64.sh

#! /bin/bash
# Cross-compile environment for Android on ARMv7 and x86
#
# Contents licensed under the terms of the OpenSSL license
# http://www.openssl.org/source/license.html
#
# See http://wiki.openssl.org/index.php/FIPS_Library_and_Android
#   and http://wiki.openssl.org/index.php/Android#####################################################################
export ANDROID_NDK_HOME=/home/clouddragon/packages/tmp/android-ndk-r16b
export ANDROID_NDK_ROOT=/home/clouddragon/packages/tmp/android-ndk-r16b
# Set ANDROID_NDK_ROOT to you NDK location. For example,
# /opt/android-ndk-r8e or /opt/android-ndk-r9. This can be done in a
# login script. If ANDROID_NDK_ROOT is not specified, the script will
# try to pick it up with the value of _ANDROID_NDK_ROOT below. If
# ANDROID_NDK_ROOT is set, then the value is ignored.
# _ANDROID_NDK="android-ndk-r8e"
_ANDROID_NDK="android-ndk-r16b"
# _ANDROID_NDK="android-ndk-r10"# Set _ANDROID_EABI to the EABI you want to use. You can find the
# list in $ANDROID_NDK_ROOT/toolchains. This value is always used.
# _ANDROID_EABI="x86-4.6"
# _ANDROID_EABI="arm-linux-androideabi-4.6"
_ANDROID_EABI="arm-linux-androideabi-4.9"# Set _ANDROID_ARCH to the architecture you are building for.
# This value is always used.
# _ANDROID_ARCH=arch-x86
_ANDROID_ARCH=arch-arm# Set _ANDROID_API to the API you want to use. You should set it
# to one of: android-14, android-9, android-8, android-14, android-5
# android-4, or android-3. You can't set it to the latest (for
# example, API-17) because the NDK does not supply the platform. At
# Android 5.0, there will likely be another platform added (android-22?).
# This value is always used.
# _ANDROID_API="android-14"
_ANDROID_API="android-24"
# _ANDROID_API="android-19"###################################################################### If the user did not specify the NDK location, try and pick it up.
# We expect something like ANDROID_NDK_ROOT=/opt/android-ndk-r8e
# or ANDROID_NDK_ROOT=/usr/local/android-ndk-r8e.if [ -z "$ANDROID_NDK_ROOT" ]; then_ANDROID_NDK_ROOT=""if [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "/usr/local/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="/usr/local/$_ANDROID_NDK"fiif [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "/opt/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="/opt/$_ANDROID_NDK"fiif [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "$HOME/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="$HOME/$_ANDROID_NDK"fiif [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "$PWD/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="$PWD/$_ANDROID_NDK"fi# If a path was set, then export itif [ ! -z "$_ANDROID_NDK_ROOT" ] && [ -d "$_ANDROID_NDK_ROOT" ]; thenexport ANDROID_NDK_ROOT="$_ANDROID_NDK_ROOT"fi
fi# Error checking
# ANDROID_NDK_ROOT should always be set by the user (even when not running this script)
# http://groups.google.com/group/android-ndk/browse_thread/thread/a998e139aca71d77
if [ -z "$ANDROID_NDK_ROOT" ] || [ ! -d "$ANDROID_NDK_ROOT" ]; thenecho "Error: ANDROID_NDK_ROOT is not a valid path. Please edit this script."# echo "$ANDROID_NDK_ROOT"# exit 1
fi# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/toolchains" ]; thenecho "Error: ANDROID_NDK_ROOT/toolchains is not a valid path. Please edit this script."# echo "$ANDROID_NDK_ROOT/toolchains"# exit 1
fi# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI" ]; thenecho "Error: ANDROID_EABI is not a valid path. Please edit this script."# echo "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI"# exit 1
fi###################################################################### Based on ANDROID_NDK_ROOT, try and pick up the required toolchain. We expect something like:
# /opt/android-ndk-r83/toolchains/arm-linux-androideabi-4.7/prebuilt/linux-x86_64/bin
# Once we locate the toolchain, we add it to the PATH. Note: this is the 'hard way' of
# doing things according to the NDK documentation for Ice Cream Sandwich.
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.htmlANDROID_TOOLCHAIN=""
for host in "linux-x86_64" "linux-x86" "darwin-x86_64" "darwin-x86"
doif [ -d "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI/prebuilt/$host/bin" ]; thenANDROID_TOOLCHAIN="$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI/prebuilt/$host/bin"breakfi
done# Error checking
if [ -z "$ANDROID_TOOLCHAIN" ] || [ ! -d "$ANDROID_TOOLCHAIN" ]; thenecho "Error: ANDROID_TOOLCHAIN is not valid. Please edit this script."# echo "$ANDROID_TOOLCHAIN"# exit 1
ficase $_ANDROID_ARCH inarch-arm)     ANDROID_TOOLS="arm-linux-androideabi-gcc arm-linux-androideabi-ranlib arm-linux-androideabi-ld";;arch-x86)   ANDROID_TOOLS="i686-linux-android-gcc i686-linux-android-ranlib i686-linux-android-ld";;     *)echo "ERROR ERROR ERROR";;
esacfor tool in $ANDROID_TOOLS
do# Error checkingif [ ! -e "$ANDROID_TOOLCHAIN/$tool" ]; thenecho "Error: Failed to find $tool. Please edit this script."# echo "$ANDROID_TOOLCHAIN/$tool"# exit 1fi
done# Only modify/export PATH if ANDROID_TOOLCHAIN good
if [ ! -z "$ANDROID_TOOLCHAIN" ]; thenexport ANDROID_TOOLCHAIN="$ANDROID_TOOLCHAIN"export PATH="$ANDROID_TOOLCHAIN":"$PATH"
fi###################################################################### For the Android SYSROOT. Can be used on the command line with --sysroot
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
export ANDROID_SYSROOT="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/$_ANDROID_ARCH"
export CROSS_SYSROOT="$ANDROID_SYSROOT"
export NDK_SYSROOT="$ANDROID_SYSROOT"# Error checking
if [ -z "$ANDROID_SYSROOT" ] || [ ! -d "$ANDROID_SYSROOT" ]; thenecho "Error: ANDROID_SYSROOT is not valid. Please edit this script."# echo "$ANDROID_SYSROOT"# exit 1
fi###################################################################### If the user did not specify the FIPS_SIG location, try and pick it up
# If the user specified a bad location, then try and pick it up too.
if [ -z "$FIPS_SIG" ] || [ ! -e "$FIPS_SIG" ]; then# Try and locate it_FIPS_SIG=""if [ -d "/usr/local/ssl/$_ANDROID_API" ]; then_FIPS_SIG=`find "/usr/local/ssl/$_ANDROID_API" -name incore`fiif [ ! -e "$_FIPS_SIG" ]; then_FIPS_SIG=`find $PWD -name incore`fi# If a path was set, then export itif [ ! -z "$_FIPS_SIG" ] && [ -e "$_FIPS_SIG" ]; thenexport FIPS_SIG="$_FIPS_SIG"fi
fi# Error checking. Its OK to ignore this if you are *not* building for FIPS
if [ -z "$FIPS_SIG" ] || [ ! -e "$FIPS_SIG" ]; thenecho "Error: FIPS_SIG does not specify incore module. Please edit this script."# echo "$FIPS_SIG"# exit 1
fi###################################################################### Most of these should be OK (MACHINE, SYSTEM, ARCH). RELEASE is ignored.
export MACHINE=armv7
export RELEASE=2.6.37
export SYSTEM=android
export ARCH=aarch64
export CROSS_COMPILE="arm-linux-androideabi-"#export AR=aarch64-linux-android-ar
export AS=aarch64-linux-android-as
#export CC=aarch64-linux-android-gcc
export CXX=aarch64-linux-android-g++
export LD=aarch64-linux-android-ld
export NM=aarch64-linux-android-nm
export RANLIB=aarch64-linux-android-ranlib
export STRIP=aarch64-linux-android-stripif [ "$_ANDROID_ARCH" == "arch-x86" ]; thenexport MACHINE=i686export RELEASE=2.6.37export SYSTEM=androidexport ARCH=x86export CROSS_COMPILE="i686-linux-android-"
fi# For the Android toolchain
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
export ANDROID_SYSROOT="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/$_ANDROID_ARCH"
export SYSROOT="$ANDROID_SYSROOT"
export NDK_SYSROOT="$ANDROID_SYSROOT"
export ANDROID_NDK_SYSROOT="$ANDROID_SYSROOT"
export ANDROID_API="$_ANDROID_API"# CROSS_COMPILE and ANDROID_DEV are DFW (Don't Fiddle With). Its used by OpenSSL build system.
# export CROSS_COMPILE="arm-linux-androideabi-"
export ANDROID_DEV="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/$_ANDROID_ARCH/usr"
export HOSTCC=gccVERBOSE=1
if [ ! -z "$VERBOSE" ] && [ "$VERBOSE" != "0" ]; thenecho "ANDROID_NDK_ROOT: $ANDROID_NDK_ROOT"echo "ANDROID_ARCH: $_ANDROID_ARCH"echo "ANDROID_EABI: $_ANDROID_EABI"echo "ANDROID_API: $ANDROID_API"echo "ANDROID_SYSROOT: $ANDROID_SYSROOT"echo "ANDROID_TOOLCHAIN: $ANDROID_TOOLCHAIN"echo "FIPS_SIG: $FIPS_SIG"echo "CROSS_COMPILE: $CROSS_COMPILE"echo "ANDROID_DEV: $ANDROID_DEV"echo "ARCH: $ARCH"echo "AR: $AR"echo "AS: $AS"echo "CC: $CC"echo "CXX: CXX"echo "LD: $LD"echo "NM: $NM"echo "RANLIB: $RANLIB"echo "STRIP: $STRIP"
fi

32位版本setenv-android_32.sh：

#! /bin/bash
# Cross-compile environment for Android on ARMv7 and x86
#
# Contents licensed under the terms of the OpenSSL license
# http://www.openssl.org/source/license.html
#
# See http://wiki.openssl.org/index.php/FIPS_Library_and_Android
#   and http://wiki.openssl.org/index.php/Android#####################################################################
export ANDROID_NDK_HOME=/home/clouddragon/packages/tmp/android-ndk-r16b
export ANDROID_NDK_ROOT=/home/clouddragon/packages/tmp/android-ndk-r16b
# Set ANDROID_NDK_ROOT to you NDK location. For example,
# /opt/android-ndk-r8e or /opt/android-ndk-r9. This can be done in a
# login script. If ANDROID_NDK_ROOT is not specified, the script will
# try to pick it up with the value of _ANDROID_NDK_ROOT below. If
# ANDROID_NDK_ROOT is set, then the value is ignored.
# _ANDROID_NDK="android-ndk-r8e"
_ANDROID_NDK="android-ndk-r16b"
# _ANDROID_NDK="android-ndk-r10"# Set _ANDROID_EABI to the EABI you want to use. You can find the
# list in $ANDROID_NDK_ROOT/toolchains. This value is always used.
# _ANDROID_EABI="x86-4.6"
# _ANDROID_EABI="arm-linux-androideabi-4.6"
_ANDROID_EABI="arm-linux-androideabi-4.9"# Set _ANDROID_ARCH to the architecture you are building for.
# This value is always used.
# _ANDROID_ARCH=arch-x86
_ANDROID_ARCH=arch-arm# Set _ANDROID_API to the API you want to use. You should set it
# to one of: android-14, android-9, android-8, android-14, android-5
# android-4, or android-3. You can't set it to the latest (for
# example, API-17) because the NDK does not supply the platform. At
# Android 5.0, there will likely be another platform added (android-22?).
# This value is always used.
# _ANDROID_API="android-14"
_ANDROID_API="android-24"
# _ANDROID_API="android-19"###################################################################### If the user did not specify the NDK location, try and pick it up.
# We expect something like ANDROID_NDK_ROOT=/opt/android-ndk-r8e
# or ANDROID_NDK_ROOT=/usr/local/android-ndk-r8e.if [ -z "$ANDROID_NDK_ROOT" ]; then_ANDROID_NDK_ROOT=""if [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "/usr/local/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="/usr/local/$_ANDROID_NDK"fiif [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "/opt/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="/opt/$_ANDROID_NDK"fiif [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "$HOME/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="$HOME/$_ANDROID_NDK"fiif [ -z "$_ANDROID_NDK_ROOT" ] && [ -d "$PWD/$_ANDROID_NDK" ]; then_ANDROID_NDK_ROOT="$PWD/$_ANDROID_NDK"fi# If a path was set, then export itif [ ! -z "$_ANDROID_NDK_ROOT" ] && [ -d "$_ANDROID_NDK_ROOT" ]; thenexport ANDROID_NDK_ROOT="$_ANDROID_NDK_ROOT"fi
fi# Error checking
# ANDROID_NDK_ROOT should always be set by the user (even when not running this script)
# http://groups.google.com/group/android-ndk/browse_thread/thread/a998e139aca71d77
if [ -z "$ANDROID_NDK_ROOT" ] || [ ! -d "$ANDROID_NDK_ROOT" ]; thenecho "Error: ANDROID_NDK_ROOT is not a valid path. Please edit this script."# echo "$ANDROID_NDK_ROOT"# exit 1
fi# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/toolchains" ]; thenecho "Error: ANDROID_NDK_ROOT/toolchains is not a valid path. Please edit this script."# echo "$ANDROID_NDK_ROOT/toolchains"# exit 1
fi# Error checking
if [ ! -d "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI" ]; thenecho "Error: ANDROID_EABI is not a valid path. Please edit this script."# echo "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI"# exit 1
fi###################################################################### Based on ANDROID_NDK_ROOT, try and pick up the required toolchain. We expect something like:
# /opt/android-ndk-r83/toolchains/arm-linux-androideabi-4.7/prebuilt/linux-x86_64/bin
# Once we locate the toolchain, we add it to the PATH. Note: this is the 'hard way' of
# doing things according to the NDK documentation for Ice Cream Sandwich.
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.htmlANDROID_TOOLCHAIN=""
for host in "linux-x86_64" "linux-x86" "darwin-x86_64" "darwin-x86"
doif [ -d "$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI/prebuilt/$host/bin" ]; thenANDROID_TOOLCHAIN="$ANDROID_NDK_ROOT/toolchains/$_ANDROID_EABI/prebuilt/$host/bin"breakfi
done# Error checking
if [ -z "$ANDROID_TOOLCHAIN" ] || [ ! -d "$ANDROID_TOOLCHAIN" ]; thenecho "Error: ANDROID_TOOLCHAIN is not valid. Please edit this script."# echo "$ANDROID_TOOLCHAIN"# exit 1
ficase $_ANDROID_ARCH inarch-arm)     ANDROID_TOOLS="arm-linux-androideabi-gcc arm-linux-androideabi-ranlib arm-linux-androideabi-ld";;arch-x86)   ANDROID_TOOLS="i686-linux-android-gcc i686-linux-android-ranlib i686-linux-android-ld";;     *)echo "ERROR ERROR ERROR";;
esacfor tool in $ANDROID_TOOLS
do# Error checkingif [ ! -e "$ANDROID_TOOLCHAIN/$tool" ]; thenecho "Error: Failed to find $tool. Please edit this script."# echo "$ANDROID_TOOLCHAIN/$tool"# exit 1fi
done# Only modify/export PATH if ANDROID_TOOLCHAIN good
if [ ! -z "$ANDROID_TOOLCHAIN" ]; thenexport ANDROID_TOOLCHAIN="$ANDROID_TOOLCHAIN"export PATH="$ANDROID_TOOLCHAIN":"$PATH"
fi###################################################################### For the Android SYSROOT. Can be used on the command line with --sysroot
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
export ANDROID_SYSROOT="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/$_ANDROID_ARCH"
export CROSS_SYSROOT="$ANDROID_SYSROOT"
export NDK_SYSROOT="$ANDROID_SYSROOT"# Error checking
if [ -z "$ANDROID_SYSROOT" ] || [ ! -d "$ANDROID_SYSROOT" ]; thenecho "Error: ANDROID_SYSROOT is not valid. Please edit this script."# echo "$ANDROID_SYSROOT"# exit 1
fi###################################################################### If the user did not specify the FIPS_SIG location, try and pick it up
# If the user specified a bad location, then try and pick it up too.
if [ -z "$FIPS_SIG" ] || [ ! -e "$FIPS_SIG" ]; then# Try and locate it_FIPS_SIG=""if [ -d "/usr/local/ssl/$_ANDROID_API" ]; then_FIPS_SIG=`find "/usr/local/ssl/$_ANDROID_API" -name incore`fiif [ ! -e "$_FIPS_SIG" ]; then_FIPS_SIG=`find $PWD -name incore`fi# If a path was set, then export itif [ ! -z "$_FIPS_SIG" ] && [ -e "$_FIPS_SIG" ]; thenexport FIPS_SIG="$_FIPS_SIG"fi
fi# Error checking. Its OK to ignore this if you are *not* building for FIPS
if [ -z "$FIPS_SIG" ] || [ ! -e "$FIPS_SIG" ]; thenecho "Error: FIPS_SIG does not specify incore module. Please edit this script."# echo "$FIPS_SIG"# exit 1
fi###################################################################### Most of these should be OK (MACHINE, SYSTEM, ARCH). RELEASE is ignored.
export MACHINE=armv7
export RELEASE=2.6.37
export SYSTEM=android
export ARCH=armv7-a
export CROSS_COMPILE="arm-linux-androideabi-"#export AR=arm-linux-androideabi-ar
export AS=arm-linux-androideabi-as
#export CC=arm-linux-androideabi-gcc
export CXX=arm-linux-androideabi-g++
export LD=arm-linux-androideabi-ld
export NM=arm-linux-androideabi-nm
export RANLIB=arm-linux-androideabi-ranlib
export STRIP=arm-linux-androideabi-stripif [ "$_ANDROID_ARCH" == "arch-x86" ]; thenexport MACHINE=i686export RELEASE=2.6.37export SYSTEM=androidexport ARCH=x86export CROSS_COMPILE="i686-linux-android-"
fi# For the Android toolchain
# https://android.googlesource.com/platform/ndk/+/ics-mr0/docs/STANDALONE-TOOLCHAIN.html
export ANDROID_SYSROOT="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/$_ANDROID_ARCH"
export SYSROOT="$ANDROID_SYSROOT"
export NDK_SYSROOT="$ANDROID_SYSROOT"
export ANDROID_NDK_SYSROOT="$ANDROID_SYSROOT"
export ANDROID_API="$_ANDROID_API"# CROSS_COMPILE and ANDROID_DEV are DFW (Don't Fiddle With). Its used by OpenSSL build system.
# export CROSS_COMPILE="arm-linux-androideabi-"
export ANDROID_DEV="$ANDROID_NDK_ROOT/platforms/$_ANDROID_API/$_ANDROID_ARCH/usr"
export HOSTCC=gccVERBOSE=1
if [ ! -z "$VERBOSE" ] && [ "$VERBOSE" != "0" ]; thenecho "ANDROID_NDK_ROOT: $ANDROID_NDK_ROOT"echo "ANDROID_ARCH: $_ANDROID_ARCH"echo "ANDROID_EABI: $_ANDROID_EABI"echo "ANDROID_API: $ANDROID_API"echo "ANDROID_SYSROOT: $ANDROID_SYSROOT"echo "ANDROID_TOOLCHAIN: $ANDROID_TOOLCHAIN"echo "FIPS_SIG: $FIPS_SIG"echo "CROSS_COMPILE: $CROSS_COMPILE"echo "ANDROID_DEV: $ANDROID_DEV"echo "ARCH: $ARCH"echo "AR: $AR"echo "AS: $AS"echo "CC: $CC"echo "CXX: CXX"echo "LD: $LD"echo "NM: $NM"echo "RANLIB: $RANLIB"echo "STRIP: $STRIP"
fi

如果是在Windows环境下编辑，在Linux环境下执行时会报错不能识别的命令，这是因为Windows换行是\r\n，Linux是\r，需要转换一下：

wangning@SZX1000291132:/home/clouddragon/packages/tmp> sed -i 's/\r$//' setenv-android_64.sh
wangning@SZX1000291132:/home/clouddragon/packages/tmp> sed -i 's/\r$//' setenv-android_32.sh

4 设置环境变量并配置openssl

官方给出的命令：

$ perl -pi -e 's/install: all install_docs install_sw/install: install_docs install_sw/g' Makefile.org
$ ./config shared no-ssl2 no-ssl3 no-comp no-hw no-engine --openssldir=/usr/local/ssl/android-14/

因为我的openssl-OpenSSL_1_1_0g 目录没有Makefile.org，这里用makefile.shared代替

wangning@SZX1000291132:/home/clouddragon/packages/tmp/openssl-OpenSSL_1_1_0g> ls
ACKNOWLEDGEMENTS  demos             libssl.pc        os-dep
apps              doc               libssl.so        README
appveyor.yml      engines           libssl.so.1.1    README.ECC
AUTHORS           e_os.h            LICENSE          README.ENGINE
build.info        external          Makefile         README.FIPS
CHANGES           FAQ               Makefile.shared  ssl
config            fuzz              ms               ssl.map
config.com        include           NEWS             test
configdata.pm     INSTALL           NOTES.DJGPP      tools
Configurations    libcrypto.a       NOTES.PERL       util
Configure         libcrypto.pc      NOTES.UNIX       VMS
CONTRIBUTING      libcrypto.so      NOTES.VMS
crypto            libcrypto.so.1.1  NOTES.WIN
crypto.map        libssl.a          openssl.pc

这样可以配置成功。但是我要用自己的工具链既要编译32位又要编译64位，所以我写成了脚本。

64位setenv-android_64.sh:

#~ #!/bin/bash
# set env variables
#source setenv-android.sh
export TOOLCHAIN=/home/clouddragon/packages/tmp/toolchain-arm
export NDK_ROOT=/home/clouddragon/packages/tmp/android-ndk-r16b# configure toolchain
export SYSROOT=$TOOLCHAIN/sysroot
export PATH=$PATH:$TOOLCHAIN/bin:$SYSROOT/usr/local/bin#export AR=aarch64-linux-android-ar
export AS=aarch64-linux-android-as
#export CC=aarch64-linux-android-gcc
export CXX=aarch64-linux-android-g++
export LD=aarch64-linux-android-ld
export NM=aarch64-linux-android-nm
export RANLIB=aarch64-linux-android-ranlib
export STRIP=aarch64-linux-android-stripexport ANDROID_NDK_ROOT=$NDK_ROOT
. $NDK_ROOT/build/tools/ndk-common.shexport ARCH=aarch64
export CPPFLAGS="-MMD -MP -MF -fpic -ffunction-sections -funwind-tables -fstack-protector -no-canonical-prefixes   -Os -g -DNDEBUG -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64 -Wa,--noexecstack -Wformat -Werror=format-security -DANDROID -fvisibility=hidden"# configure toolchain
# Perl is optional, and may fail in OpenSSL 1.1.0
cd openssl-OpenSSL_1_1_0g && \
perl -pi -e 's/install: all install_docs install_sw/install: install_docs install_sw/g' Makefile.shared./config shared no-ssl2 no-ssl3 no-comp no-hw no-engine#
make depend#
make clean make all

32位setenv-android_32.sh：

#~ #!/bin/bash
# set env variables
#source setenv-android.sh
export TOOLCHAIN=/home/clouddragon/packages/tmp/toolchain-arm32
export NDK_ROOT=/home/clouddragon/packages/tmp/android-ndk-r16b# configure toolchain
export SYSROOT=$TOOLCHAIN/sysroot
export PATH=$PATH:$TOOLCHAIN/bin:$SYSROOT/usr/local/bin#export AR=arm-linux-androideabi-ar
export AS=arm-linux-androideabi-as
#export CC=arm-linux-androideabi-gcc
export CXX=arm-linux-androideabi-g++
export LD=arm-linux-androideabi-ld
export NM=arm-linux-androideabi-nm
export RANLIB=arm-linux-androideabi-ranlib
export STRIP=arm-linux-androideabi-stripexport ANDROID_NDK_ROOT=$NDK_ROOT
. $NDK_ROOT/build/tools/ndk-common.shexport ARCH=armv7-a
export CPPFLAGS="-MMD -MP -MF -fpic -ffunction-sections -funwind-tables -fstack-protector -no-canonical-prefixes   -Os -g -DNDEBUG -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64 -Wa,--noexecstack -Wformat -Werror=format-security -DANDROID -fvisibility=hidden"# configure toolchain
# Perl is optional, and may fail in OpenSSL 1.1.0
cd openssl-OpenSSL_1_1_0g && \
perl -pi -e 's/install: all install_docs install_sw/install: install_docs install_sw/g' Makefile.shared./config shared no-ssl2 no-ssl3 no-comp no-hw no-engine#
make depend#
make clean make all

5 编译

编译32位：

wangning@SZX1000291132:/home/clouddragon/packages/tmp> ./setenv-android_32.sh
wangning@SZX1000291132:/home/clouddragon/packages/tmp> ./build_openssl_1.1.0g_32.sh

编译64位：

wangning@SZX1000291132:/home/clouddragon/packages/tmp> ./setenv-android_64.sh
wangning@SZX1000291132:/home/clouddragon/packages/tmp> ./build_openssl_1.1.0g_64.sh

最终会在openssl-OpenSSL_1_1_0g目录里生成libcrypto.a和libssl.a

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