trypinvoke.md

building dll with GCC http://stackoverflow.com/questions/16332701/how-to-call-c-dll-in-c-sharp http://www.adp-gmbh.ch/cpp/gcc/create_lib.html

first we have C code

#include <stdio.h>

int
hello()
{
  printf ("Hello World!\n");
}  

we need to compile to dll for use First compile mydll.c to object code:

$ gcc -c mydll.c

Then, tell gcc that it is building a shared library:

$ gcc -shared -o mydll.dll mydll.o