"strcpy-ssse3.S: No such file or directory", why does it happen? (C, Ubuntu)

Question

I'm new to C and to the Ubuntu os, I have three files: main.c, dosomething.c, dosomething.h

main.c

#include <stdio.h>
#include <stdlib.h>
#include "dosomething.h"

int main(int argc, char *argv[])
{
    int i;
    char *source;
    if(argc < 2)
    {
        printf("Error: too few arguments, at least one file required");
        exit(EXIT_FAILURE);
    }
    for(i = 1; i < argc; i++)
    {
        source = argv[i];
        buildam(source);
    }
    exit(0);;
}

dosomething.h

void buildam(char *filename);

dosomething.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "dosomething.h"

void buildam(char *filename)
{
    char *filename2 = "";
    strcpy(filename2, filename);
    printf("%s", filename2);
}

Now when I run this program (it has no problem compiling with gcc) on an input file, it throws this eror: Segmentation fault (core dumped)

I've tried to debug using gdb, main.c was working fine until i got into "buildam" function, when the debugger threw the following error:

Program received signal SIGSEGV, Segmentation fault.
__strcpy_ssse3 () at ../sysdeps/i386/i686/multiarch/strcpy-ssse3.S:2876
2876    ../sysdeps/i386/i686/multiarch/strcpy-ssse3.S: No such file or directory

I don't have a clue what does it mean or how can i fix it, I'll be glad to understand it.