Linux编译OpenSSL.0.9.8g

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环境：

　　Linux平台：Centos Linux release 7.6.1810 (Core)、gcc 4.8.5

开始：

一、下载源码

　　1. openssl-OpenSSL_0_9_8g.tar.gz　　　　　　　　　 解压得到openssl-OpenSSL_0_9_8g目录

　　查看openssl版本：opensslv.h                                           #define OPENSSL_VERSION_TEXT "OpenSSL 0.9.8g 19 Oct 2007"

二、编译脚本

　　build_openssl.sh

#!/usr/bin/sh

#resolve error: 'out range of signed 32bit displacement'
#use option no-asm

if [ $# -lt 2 ]; then
    echo "usage:"
    echo "    ./build_openssl.sh make    [source_dir]"
    echo "    ./build_openssl.sh install [source_dir] [output_dir]"
    echo "    ./build_openssl.sh clean   [source_dir]"
    echo "example:"
    echo "    build_openssl.sh make openssl-OpenSSL_0_9_8g"
    echo "    build_openssl.sh install openssl-OpenSSL_0_9_8g openssl-0.9.8"
    echo "    build_openssl.sh clean openssl-OpenSSL_0_9_8g"
    exit 0
fi

if [[ "$1" == "make" ]]; then
    if [ $# -ne 2 ]; then
        echo "usage:"
        echo "    ./build.sh make [source_dir]"
        exit 0
    fi
    cd $2
    ./config no-asm no-shared -fPIC
    make
    make test
elif [[ "$1" == "install" ]]; then
    if [ $# -ne 3 ]; then
        echo "usage:"
        echo "    ./build.sh install [source_dir] [output_dir]"
        exit 0
    fi
    source_dir=$2
    output_dir=$3
    #output_dir
    if [ ! -d $output_dir ];then
        mkdir $output_dir
    fi
    #output_dir/include
    if [ ! -d $output_dir/include ];then
        mkdir $output_dir/include
    fi
    #output_dir/include/openssl
    if [ ! -d $output_dir/include/openssl ];then
        mkdir $output_dir/include/openssl
    fi
    #output_dir/lib
    if [ ! -d $output_dir/lib ];then
        mkdir $output_dir/lib
    fi
    #copy include file to output_dir
    cp -f $source_dir/include/openssl/*.h $output_dir/include/openssl
    #copy library file to output_dir
    cp -f $source_dir/*.a $output_dir/lib
    mv -f $output_dir/include/openssl/opensslconf.h $output_dir/include/openssl/opensslconf_unix.h
    echo '#if WIN32' > $output_dir/include/openssl/opensslconf.h
    echo '    #include "openssl/opensslconf_windows.h"' >> $output_dir/include/openssl/opensslconf.h
    echo '#else' >> $output_dir/include/openssl/opensslconf.h
    echo '    #include "openssl/opensslconf_unix.h"' >> $output_dir/include/openssl/opensslconf.h
    echo '#endif' >> $output_dir/include/openssl/opensslconf.h
elif [[ "$1" == "clean" ]]; then
    if [ $# -ne 2 ]; then
        echo "usage:"
        echo "    ./build.sh build [source_dir]"
        exit 0
    fi
    cd $2
    make clean
fi

三、编译

usage:
    ./build_openssl.sh make    [source_dir]
    ./build_openssl.sh install [source_dir] [output_dir]
    ./build_openssl.sh clean   [source_dir]
example:
    build_openssl.sh make openssl-OpenSSL_0_9_8g
    build_openssl.sh install openssl-OpenSSL_0_9_8g openssl-0.9.8
    build_openssl.sh clean openssl-OpenSSL_0_9_8g

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