交叉编译-8：跨平台交叉编译libcurl库（Android、iOS）

一、Android平台

     1. 进入网址https://curl.haxx.se/download.html，下载libcurl压缩包。

     2. 进入curl-7.58.0目录，在当前目录下创建文件夹openssl，将openssl的头文件以及库分别拷贝openssl /include到和openssl/lib目录下。

     3.新建脚本build_curl.sh。

#!/usr/bin/env bash

# ====================================================================
# Sets the cross compile environment for Android
# Based upon OpenSSL's setenv-android.sh (by TH, JW, and SM).
#
# Crypto++ Library is copyrighted as a compilation and (as of version 5.6.2)
# licensed under the Boost Software License 1.0, while the individual files
# in the compilation are all public domain.
#
# See http://www.cryptopp.com/wiki/Android_(Command_Line) for more details
# ====================================================================

unset IS_CROSS_COMPILE

unset IS_IOS
unset IS_ANDROID
unset IS_ARM_EMBEDDED

unset AOSP_FLAGS
unset AOSP_SYSROOT
unset AOSP_STL_INC
unset AOSP_STL_LIB
unset AOSP_BITS_INC

# Set AOSP_TOOLCHAIN_SUFFIX to your preference of tools and STL library.
#   Note: 4.9 is required for the latest architectures, like ARM64/AARCH64.
# AOSP_TOOLCHAIN_SUFFIX=4.8
# AOSP_TOOLCHAIN_SUFFIX=4.9
if [ -z "$AOSP_TOOLCHAIN_SUFFIX" ]; then
    AOSP_TOOLCHAIN_SUFFIX=4.9
fi

# Set AOSP_API to the API you want to use. 'armeabi' and 'armeabi-v7a' need
#   API 3 (or above), 'mips' and 'x86' need API 9 (or above), etc.
# AOSP_API="android-3"     # Android 1.5 and above
# AOSP_API="android-4"     # Android 1.6 and above
# AOSP_API="android-5"     # Android 2.0 and above
# AOSP_API="android-8"     # Android 2.2 and above
# AOSP_API="android-9"     # Android 2.3 and above
# AOSP_API="android-14"    # Android 4.0 and above
# AOSP_API="android-18"    # Android 4.3 and above
# AOSP_API="android-19"    # Android 4.4 and above
# AOSP_API="android-21"    # Android 5.0 and above
# AOSP_API="android-23"    # Android 6.0 and above
if [ -z "$AOSP_API" ]; then
    AOSP_API="android-21"
fi

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