Dynamically load a library at runtime WOOOOOOooOOO

base.h

#include <Foundation/Foundation.h>

@interface Base : NSObject

@property (nonatomic, readonly) NSString *name;

@end

base.m

#include "base.h"

@implementation Base

-(NSString *)name
{
    return @"this is the baseclasses name";
}

@end

main.m

#include <dlfcn.h>
#include <stdio.h>

#include "base.h"

int main(int argc, char **argv)
{

    void *lib = dlopen("dylib.dylib", RTLD_NOW);

    if(lib == NULL)
    {
        printf("ERROR!!!\n");
        return 1;
    }
    
    Base *sub = [[NSClassFromString(@"Sub") alloc] init];


    printf("%s\n", sub.name.UTF8String);



    dlclose(lib);
    return 0;
}

Makefile

CC=clang
FLAGS=-framework Foundation -ObjC

all: output.txt

clean:
	rm exec dylib.dylib output.txt

output.txt: exec dylib.dylib
	./exec > output.txt
	cat output.txt

exec: main.m base.m
	$(CC) $^ $(FLAGS) -o $@
dylib.dylib: sub.m
	$(CC) $^ $(FLAGS) -dynamiclib -undefined suppress -flat_namespace -o $@

output.txt

this is the subclass that was dynamically loaded at runtime :D

sub.h

#include "base.h"

@interface Sub : Base
@end

sub.m

#include "sub.h"

@implementation Sub

-(NSString *)name
{
    return @"this is the subclass that was dynamically loaded at runtime :D";
}


@end