tensorflow: fix GCC 10.1 compile error

Since python3-numpy: update 1.18.5 -> 1.19.0, there is
a  GCC 10.1 compile error. Backport a patch from upstream
to fix it [1]

[1] https://github.com/tensorflow/tensorflow/pull/40654

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>

recipes-framework/tensorflow/files/0001-Provide-overload-to-cope-with-const-ness-change-of-N.patch

+From 75ea0b31477d6ba9e990e296bbbd8ca4e7eebadf Mon Sep 17 00:00:00 2001
+From: Christian Sigg <csigg@google.com>
+Date: Fri, 26 Jun 2020 05:08:10 -0700
+Subject: [PATCH] Provide overload to cope with const-ness change of NumPy's
+ PyUFuncGenericFunction.
+
+See https://github.com/tensorflow/tensorflow/issues/40688, https://github.com/tensorflow/tensorflow/pull/40654.
+
+PiperOrigin-RevId: 318452381
+Change-Id: Icc5152f2b020ef19882a49e3c86ac80bbe048d64
+
+Upstream-Status: Backport
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+
+---
+ tensorflow/python/lib/core/bfloat16.cc | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/tensorflow/python/lib/core/bfloat16.cc b/tensorflow/python/lib/core/bfloat16.cc
+index feb01f11a1..bb6b720feb 100644
+--- a/tensorflow/python/lib/core/bfloat16.cc
++++ b/tensorflow/python/lib/core/bfloat16.cc
+@@ -517,7 +517,7 @@ bool RegisterBfloat16Cast(int numpy_type, bool cast_is_safe) {
+ }
+ 
+ template <typename InType, typename OutType, typename Functor>
+-void BinaryUFunc(char** args, npy_intp* dimensions, npy_intp* steps,
++void BinaryUFunc(char** args, const npy_intp* dimensions, const npy_intp* steps,
+                  void* data) {
+   const char* i0 = args[0];
+   const char* i1 = args[1];
+@@ -532,11 +532,17 @@ void BinaryUFunc(char** args, npy_intp* dimensions, npy_intp* steps,
+   }
+ }
+ 
++// Numpy changed const-ness of PyUFuncGenericFunction, provide overload.
+ template <typename Functor>
+ void CompareUFunc(char** args, npy_intp* dimensions, npy_intp* steps,
+                   void* data) {
+   BinaryUFunc<bfloat16, npy_bool, Functor>(args, dimensions, steps, data);
+ }
++template <typename Functor>
++void CompareUFunc(char** args, const npy_intp* dimensions,
++                  const npy_intp* steps, void* data) {
++  BinaryUFunc<bfloat16, npy_bool, Functor>(args, dimensions, steps, data);
++}
+ 
+ struct Bfloat16EqFunctor {
+   npy_bool operator()(bfloat16 a, bfloat16 b) { return a == b; }
+-- 
+2.21.0
+

recipes-framework/tensorflow/tensorflow.inc

@@ -12,6 +12,7 @@ SRC_URI = "git://github.com/tensorflow/tensorflow.git;branch=r1.13 \
            file://0001-Fix-TensorFlow-on-Python-3.8-logger-issue.patch \
            file://0001-Rename-gettid-functions.patch \
            file://0001-third_party-eigen_archive-workaround-ice-failure-whi.patch \
+           file://0001-Provide-overload-to-cope-with-const-ness-change-of-N.patch \
           "
 
 S = "${WORKDIR}/git"