Example of circular linking issues with g++. See http://stackoverflow.com/questions/16926608/including-static-libraries-with-all-load-flag

a.cpp

void A() {}

a.h

void A();
void Aprime();

aprime.cpp

void Aprime() {}

b.cpp

#include "a.h"

void B() {
	Aprime();
}

b.h

void B();

Makefile

all: test
	
testa: source.o libA.a libB.a
	g++ source.cpp -o test libA.a libB.a

testb:
	g++ source.cpp -o test libB.a libA.a
	
libA.a: a.o aprime.o
	ar -r libA.a a.o aprime.o

libB.a: b.o
	ar -r libB.a b.o
	
clean:
	rm -f *.o test *.a

source.cpp

#include "a.h"
#include "b.h"

int main (int argc, char const *argv[])
{
	A();
	B();
	return 0;
}