exa2pro/starpu-max: porting work to Maxeler DFE @ 76875c3d0f6f5b866fea68a84d9d21c50b32500e

Ludovic Courtès 1e153b7a83 gcc: In task submission, pass raw pointers to `starpu_insert_task'.		%!s(int64=14) %!d(string=hai) anos
..
Makefile.am	10437b6105 Add preliminary GCC plug-in.	%!s(int64=14) %!d(string=hai) anos
starpu-gcc-config.h.in	d8e018850b gcc: Check for specific GCC functions.	%!s(int64=14) %!d(string=hai) anos
starpu.c	1e153b7a83 gcc: In task submission, pass raw pointers to `starpu_insert_task'.	%!s(int64=14) %!d(string=hai) anos