Ask HN: Have licenses ever stopped you from combining two FOSS programs?

    freebsd% ls
    readlineshim.c readlineshim.h test.c
    freebsd% cat test.c
    #include <stdio.h>
    #include "readlineshim.h"
    
    int main(void) {
        char *name;
        name = readline("What's your name? ");
        if (name) printf("Hello, %s!\n", name);
        return 0;
    }
    freebsd% cat readlineshim.h
    char *readline(const char *p);
    freebsd% cat readlineshim.c
    char *readline(const char *p) {
        return ((void *)0);
    }
    freebsd% cc -c -fPIC readlineshim.c -o readlineshim.o
    freebsd% cc -shared readlineshim.o -o libreadline.so
    freebsd% cc test.c -o test -Wl,-rpath-link=. -L. -lreadline
    freebsd% ./test
    ld-elf.so.1: Shared object "libreadline.so" not found, required by "test"

    freebsd% sudo pkg install -qy readline
    freebsd% ./test                       
    What's your name? Lee
    Hello, Lee!
    freebsd%