exa2pro/starpu-max: porting work to Maxeler DFE @ 6e90d6e0783482116f2461c0ff65e5546924d762

Ludovic Courtès 7d3695ded6 gcc: Add `#pragma starpu release'.		14 lat temu
..
Makefile.am	ad788a684d gcc: Attempt to determine whether to build plug-ins with gcc or g++.	14 lat temu
c-expr.y	65cdc2499f gcc: Avoid designated initializers when __cplusplus in the C expression parser.	14 lat temu
starpu-gcc-config.h.in	4f838dae68 gcc: Check for `affects_type_identity' in `struct attribute_spec'.	14 lat temu
starpu.c	7d3695ded6 gcc: Add `#pragma starpu release'.	14 lat temu