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make failed on Mac OS X including sys/random.h
It looks to be caused by this commit: https://github.com/python/cpython/commit/1958527a2c5dda766b1917ab563622434b3dad0d
Restoring the removed ifdefs solves the problem (see github PR)
Official patch to follow
Failure message.
```
In file included from Python/random.c:16:
/usr/include/sys/random.h:37:32: error: unknown type name 'u_int'
void read_random(void* buffer, u_int numBytes);
 ^
/usr/include/sys/random.h:38:33: error: unknown type name 'u_int'
void read_frandom(void* buffer, u_int numBytes);
 ^
/usr/include/sys/random.h:39:33: error: unknown type name 'u_int'
int write_random(void* buffer, u_int numBytes);
 ^
3 errors generated.
make: *** [Python/random.o] Error 1
```