exa2pro/starpu-max: porting work to Maxeler DFE @ 9ed2b60d87243bebbdb8af6fdbbb60a2ccfcba8a

Samuel Thibault 6a73a722a8 Fix destroying the task when it failed to be submitted		лет назад: 14
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invalid_blocking_calls.c	685f84fcdb Include valgrind.h in helper.h, not directly in the tests.	лет назад: 14
invalid_tasks.c	6a73a722a8 Fix destroying the task when it failed to be submitted	лет назад: 14
starpu_init_noworker.c	be06e1d5de check in configure.ac if unsetenv is available	лет назад: 14