create bsd12 branch

lang/python34/files/00250-getentropy.patch

@@ -0,0 +1,22 @@
+diff --git a/Python/random.c b/Python/random.c
+index af3d0bd..5451815 100644
+--- a/Python/random.c
++++ b/Python/random.c
+@@ -68,8 +68,15 @@ win32_urandom(unsigned char *buffer, Py_ssize_t size, int raise)
+ }
+ 
+ /* Issue #25003: Don' use getentropy() on Solaris (available since
+- * Solaris 11.3), it is blocking whereas os.urandom() should not block. */
+-#elif defined(HAVE_GETENTROPY) && !defined(sun)
++   Solaris 11.3), it is blocking whereas os.urandom() should not block.
++
++   Issue #29188: Don't use getentropy() on Linux since the glibc 2.24
++   implements it with the getrandom() syscall which can fail with ENOSYS,
++   and this error is not supported in py_getentropy() and getrandom() is called
++   with flags=0 which blocks until system urandom is initialized, which is not
++   the desired behaviour to seed the Python hash secret nor for os.urandom():
++   see the PEP 524 which was only implemented in Python 3.6. */
++#elif defined(HAVE_GETENTROPY) && !defined(sun) && !defined(linux)
+ #define PY_GETENTROPY 1
+ 
+ /* Fill buffer with size pseudo-random bytes generated by getentropy().