a.out

main.cc

#include <stdio.h>

int main(int argc, char** argv)
{
  if (argc < 2) {
    fprintf(stderr, "Usage: %s arg1 \n", argv[0]);
    return -1;
  }

  printf("argc: %d \n", argc);
  for (int i=0; i<argc; i++) {
    printf("argv[%d]: %s \n", i, argv[i]);
  }
}

Makefile

LIBSLANKDEV := $(HOME)/git/libslankdev
CXXFLAGS += -I$(LIBSLANKDEV) -std=c++11

all:
	$(CXX) $(CXXFLAGS) main.cc $(LDFLAGS)