现在网上流传的curl编译教程可以说都是古董啊，已经不适用了。起码xcode的c++环境变量一个也对不上。我也是在国外爬到的贴子（6.1），xcode应该是6.0版本之后结构发生变化，gcc变成了

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang

我试了下脚本，编译的时间还挺长的

#!/bin/bash
 
# This script builds a static version of
# curl ${CURL_VERSION} for iOS 7.1 that contains code for
# arm64, armv7, arm7s, i386 and x86_64.
 
set -x
 
# Setup paths to stuff we need
 
CURL_VERSION="7.26.0"
 
DEVELOPER="/Applications/Xcode.app/Contents/Developer"
 
SDK_VERSION="9.2"
MIN_VERSION="8.1"
 
IPHONEOS_PLATFORM="${DEVELOPER}/Platforms/iPhoneOS.platform"
IPHONEOS_SDK="${IPHONEOS_PLATFORM}/Developer/SDKs/iPhoneOS${SDK_VERSION}.sdk"
IPHONEOS_GCC="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
 
IPHONESIMULATOR_PLATFORM="${DEVELOPER}/Platforms/iPhoneSimulator.platform"
IPHONESIMULATOR_SDK="${IPHONESIMULATOR_PLATFORM}/Developer/SDKs/iPhoneSimulator${SDK_VERSION}.sdk"
IPHONESIMULATOR_GCC="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
 
# Make sure things actually exist
 
if [ ! -d "$IPHONEOS_PLATFORM" ]; then
 echo "Cannot find $IPHONEOS_PLATFORM"
 exit 1
fi
 
if [ ! -d "$IPHONEOS_SDK" ]; then
 echo "Cannot find $IPHONEOS_SDK"
 exit 1
fi
 
if [ ! -x "$IPHONEOS_GCC" ]; then
 echo "Cannot find $IPHONEOS_GCC"
 exit 1
fi
if [ ! -d "$IPHONESIMULATOR_PLATFORM" ]; then
 echo "Cannot find $IPHONESIMULATOR_PLATFORM"
 exit 1
fi
 
if [ ! -d "$IPHONESIMULATOR_SDK" ]; then
 echo "Cannot find $IPHONESIMULATOR_SDK"
 exit 1
fi
 
if [ ! -x "$IPHONESIMULATOR_GCC" ]; then
 echo "Cannot find $IPHONESIMULATOR_GCC"
 exit 1
fi
 
# Clean up whatever was left from our previous build
 
rm -rf lib include-32 include-64
rm -rf /tmp/curl-${CURL_VERSION}-*
rm -rf /tmp/curl-${CURL_VERSION}-*.*-log
 
build()
{
  HOST=$1
  ARCH=$2
  GCC=$3
  SDK=$4
  MOREFLAGS=$5
 rm -rf "curl-${CURL_VERSION}"
 unzip "curl-${CURL_VERSION}.zip" -d "."
 pushd .
 cd "curl-${CURL_VERSION}"
 export IPHONEOS_DEPLOYMENT_TARGET=${MIN_VERSION}
 export CC=${GCC}
 export CFLAGS="-arch ${ARCH} -pipe -Os -gdwarf-2 -isysroot ${SDK}"
 export CPPFLAGS=${MOREFLAGS}
 export LDFLAGS="-arch ${ARCH} -isysroot ${SDK}"
 ./configure --disable-shared --enable-static --host=${HOST} --without-ssl --without-libssh2 --without-ca-bundle --without-ldap --disable-ldap --prefix="/tmp/curl-${CURL_VERSION}-${ARCH}" &> "/tmp/curl-${CURL_VERSION}-${ARCH}.log"
 make -j `sysctl -n hw.logicalcpu_max` &> "/tmp/curl-${CURL_VERSION}-${ARCH}.build-log"
 make install &> "/tmp/curl-${CURL_VERSION}-${ARCH}.install-log"
 popd
 rm -rf "curl-${CURL_VERSION}"
}
 
build "armv7-apple-darwin"  "armv7"  "${IPHONEOS_GCC}"        "${IPHONEOS_SDK}" ""
#build "armv7s-apple-darwin" "armv7s" "${IPHONEOS_GCC}"        "${IPHONEOS_SDK}" ""
#build "arm-apple-darwin"    "arm64"  "${IPHONEOS_GCC}"        "${IPHONEOS_SDK}" ""
#build "i386-apple-darwin"   "i386"   "${IPHONESIMULATOR_GCC}" "${IPHONESIMULATOR_SDK}" "-D__IPHONE_OS_VERSION_MIN_REQUIRED=${IPHONEOS_DEPLOYMENT_TARGET%%.*}0000"
#build "x86_64-apple-darwin" "x86_64" "${IPHONESIMULATOR_GCC}" "${IPHONESIMULATOR_SDK}" "-D__IPHONE_OS_VERSION_MIN_REQUIRED=${IPHONEOS_DEPLOYMENT_TARGET%%.*}0000"
 
#
 
mkdir -p lib include-32 include-64
cp -r /tmp/curl-${CURL_VERSION}-i386/include/curl include-32/
cp -r /tmp/curl-${CURL_VERSION}-x86_64/include/curl include-64/
lipo \
"/tmp/curl-${CURL_VERSION}-armv7/lib/libcurl.a" \
"/tmp/curl-${CURL_VERSION}-armv7s/lib/libcurl.a" \
"/tmp/curl-${CURL_VERSION}-arm64/lib/libcurl.a" \
"/tmp/curl-${CURL_VERSION}-i386/lib/libcurl.a" \
"/tmp/curl-${CURL_VERSION}-x86_64/lib/libcurl.a" \
-create -output lib/libcurl.a
 
rm -rf "/tmp/curl-${CURL_VERSION}-*"
rm -rf "/tmp/curl-${CURL_VERSION}-*.*-log"

使用方法：
首先创建一个目录，名字任意，然后创建一个build.sh脚本，然后把这个下载好的curl_xxx.zip放到这个目录下（和build.sh同级），然后把上面脚本复制到build.sh中，再修改对应的curl版本，最新好像是7.48吧。然后把这个build.sh拖放到终端回车即可生成.a静态库了。

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