GCC Static Dynamic Library compilation

centos5.8,g++4.1.2

More recent operations, small pen down

Static libraries, dynamic library compilation and linking

1.dynamicmath.h

Class Dynamicmath
{
Public

Static double Add (double A, double b);
Static double sub (double A, double b);

void print ();
};

2.dynamicmath.cpp

#include "DynamicMath.h"
#include <iostream>
Using Std::cout;
Using Std::endl;

Double Dynamicmath::add (double A, double b)
{
return a+b;
}

Double Dynamicmath::sub (double A, double b)
{
return a-B;
}
void Dynamicmath::p rint ()
{
cout<< "Dynamicmath" <<endl;
}

3.main.cpp

#include <iostream>
using namespace Std;

#include "DynamicMath.h"

int main ()
{
Double A = 10;
Double b = 2;

cout<< "A + b=" <<dynamicmath::add (A, b) <<endl;
cout<< "a-b=" <<dynamicmath::sub (A, b) <<endl;

Dynamicmath dy;
Dy.print ();

return 0;
}

4.makefile

All:main Smath Smain Dmath dmain

Main
g++-o main main.cpp DynamicMath.cpp

Smath:
g++-C DynamicMath.cpp
AR-RSV libsmath.a DYNAMICMATH.O

Smain:
g++-o smain main.cpp-l./-lsmath

Dmath:
g++-fpic-shared-o libdmath.so DynamicMath.cpp

Dmain:
g++-o dmain-l./-ldmath main.cpp-wl,-rpath.

Clean
Rm-f *.O
Rm-f *.a
Rm-f *.so
Rm-f Main
Rm-f Smain
Rm-f Dmain

GCC Static Dynamic Library compilation