iOS，mac基于源码编译以及使用BOOST库

 下载并解压源码，下载路径（来自https://www.boost.org/users/download/），现在以1.77为例：https://boostorg.jfrog.io/artifactory/main/release/1.77.0/source/boost_1_77_0.tar.bz2

解压进入booost库目录，命令行运行:

./bootstrap.sh

假如你只想编译某个库：

./bootstrap.sh --with-libraries=context

# IOS ARM64
using clang : iphoneos
: xcrun clang -arch arm64 -stdlib=libc++ -std=c++11 -miphoneos-version-min=12.0 -fvisibility-inlines-hidden -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk
;

# IOS x86_64
using clang : iphonesimulator
: xcrun clang -arch x86_64 -stdlib=libc++ -std=c++11 -miphoneos-version-min=12.0 -fvisibility-inlines-hidden -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk
;

lib=libboost_context.a
dir='stage/lib'

# Build arm64
./b2 -a -j4 toolset=clang-iphoneos binary-format=mach-o abi=aapcs link=static stage
mv $dir/$lib $dir/arm64_$lib

# Build x86_64
./b2 -a -j4 toolset=clang-iphonesimulator binary-format=mach-o abi=sysv link=static stage
mv $dir/$lib $dir/x86_64_$lib

# Make fat
lipo -create $dir/arm64_$lib $dir/x86_64_$lib -output $dir/$lib

dir='stage/lib'


# Build arm64
./b2 -a -j4 toolset=clang-iphoneos binary-format=mach-o abi=aapcs link=static stage
mkdir $dir/arm64
mv $dir/ $dir/arm64

# Build x86_64
./b2 -a -j4 toolset=clang-iphonesimulator binary-format=mach-o abi=sysv link=static stage
mkdir $dir/x86_64
mv $dir/ $dir/x86_64

# Make fat
for i in `find $dir/arm64 -name "*.a" -exec basename {} ;`
do
	echo $i 
	lipo -create $dir/arm64/$i $dir/x86_64/$i -output stage/lib/$i
done

#include
using  namespace  boost; //名字空间

#include
using namespace std;

int main()
{ 
   //mt19937  马特赛特旋转演算法,适用于很多场景
   mt19937 mt(time(0));
   cout << "随机数范围" << mt.min() << "~" << mt.max() << endl;
}