Multicore Epiphany simulator fails to build Fedora 22 / gcc (3.4 or 5.1.1) about epiphany-sdk HOT 3 CLOSED

There are 3 bugs here, two of which are similar. C doesn't actually allow 'typedef struct _foo foo;' in one header and 'typedef struct _foo { ... } foo;' in a different one, if the two headers are both included by the same C file. The solution, for es_state and sim_cpu, is to replace the first header with a simple 'struct _foo' in the first header and fix all the places where foo is used to struct _foo.

The third problem shows up when the first two are fixed:
__sync_fetch_and_add' __sync_fetch_and_and'
__sync_fetch_and_or' __sync_val_compare_and_swap'

are all referenced but none of them are defined. I don't have a solution for this problem.

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Ooops. The 3rd issue is because I'm using GCC 3.4 which doesn't support the sync functions. I guess it's time to fix the problem with 'extern inline'

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closing, works for me. You probably need at least GCC 4.8.

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