[tensorflow-cc] More or less completely rewritten port, update to 2.3.1 (#13028)

* fix build issues occurring from default bazel config being used because customized bazel config is stored in wrong directory

* [tensorflow-cc] Update CONTROL and ci.baseline.txt

* fix also applies to windows static build

* fix debug and static builds as well as library naming for non-linux
- add patch to fix debug builds
- add patch to fix exports for static linking
- really build debug (instead of cloning release)
- override bazel build options for debug (work around bazel bug)
- bazel doesn't support static libraries: work around by building dynamic library and constructing static linkage commands from build log
- Windows .pdb file can't be >4GB even on x64: work around using reduced debug information
- Windows doesn't support .lib files >4GB even on x64, so split into multiple libs
- vcpkg requires equal amount of libs for debug and release: work around using handcrafted empty dummy libs
- fix naming of libs (.dll on Windows and .dylib on macOS)

* upgrade tensorflow from v1.14 to v2.3
- adapt patch files to tensorflow code changes
- update bazel from v0.25.2 to v3.1
- on Windows use python installed on the host instead of embedded python obtained via vcpkg because embedded python lacks pip, which we need to obtain numpy
- on Windows add MSYS2 to the PATH so that bazel tools can access MSYS2 GIT
- add support for custom CA certificates when using HTTPS_PROXY

* fix execute process macro
The existing implementation totally screwed up commands if the command's arguments contained semicolons (this is the case, e.g., in the FindPython modules of the cmake distribution).

* extend overriden execute_process to more than one COMMAND as there actually are use cases for this

* added another patch required for tensorflow v2.3, fixed path and working directory

* Revert "incorporate changes from microsoft:master"

* Revert "Revert "incorporate changes from microsoft:master""

* final fixes for static build + improving out messages

* enabling linux and osx in CI to see if it works now

* simplified code, fixed version numbers, fixed generated include cmake file

* fix failing postbuild check on handcrafted empty dummy library by spreading the last real libraries contents over the required number of libraries

* remove dead code commit by mistake again

* improvements from code review

* cleaner fix for debug code

* find pip3 in PATH (PYTHON3_DIR apparently not valid for pip3)

* fix error in python helper script

* fix wrong libname in postbuild script

* fix python detection + switch to python on msys2 (instead of embedded python) for Windows as we need numpy

* fix order of arguments

* fix command (it may contain spaces such as C:\Program Files\...)

* revert last commit (root cause for CI failures is something different: there are line breaks in path)

* fix regex comparision
(value needs to be escaped as it may contains regex special characters such as brackets, eg C:/Program Files (x86)/...)

* fix linebreaks in generated file

* fix CRT linkage
(macOS doesn't support static CRT linkage; it's set to dynamic even static target triplets for macOS and linux)

* refactor implemenation to avoid as much code duplication as possible -- algorithmically identical

* fix version numbers in helper scripts

* enable work-around for Windows until bazel fix is available

* install missing python3-pip on linux

* fix linux build by patching

* apply timeout feature now available via merged master branch

* correct linux build patch

* improve debug build patches
(no functional difference because LOG(FATAL, ...) macro internally anyway calls abort(), which the compiler doesn't detect in debug mode...

* improve linux patch

* temporarily add debug to inspect what's going on on macOS CI

* remove temporary debug code and fix static linking scripts for linux and macOS

* fix regex escaping

* fix ambiguous match while grepping for the framework link command

* extend fix of ambiguous match while grepping for the framework link command

* fix what merge of master broke

* fix more what got broken by merging master
(all packages and their dependencies are now maintained manually instead of using pacman...)

* remove "unofficial" from filename

* added switch do distinct classic and manifest mode when generating config.cmake file

* create symlinks for libraries without version number

* fix linux postbuild script

* temporarily disable code making problems

* add note for linking on Linux and macOS

* forget to add README file in previous commit

* add file forgotton in macro fixing patch

* fix python library path

* fix macOS static link command

* update linkage instructions in README

* Update ports/tensorflow-cc/CONTROL

* Update ports/tensorflow-cc/portfile.cmake

* Update scripts/ci.baseline.txt

* use vcpkg_execute_required_process

* pass C_FLAGS and CXX_FLAGS to bazel

* fix INTERFACE_INCLUDE_DIRECTORIES

* fix optional c/cxx arguments

* also add linker opts

* update README

* merge static libs into one
to support force_load (cannot force_load both due to duplicate symbols)

* update README

* quote python path (it might contain spaces that don't get escaped inside outer quotes of bash command)

* fix python path also for static build

* add arm(64) as currently unsupported arch

* bazel 3.7 is available -> remove workaround

* update README, remove necessary c-ares from deps

* update msys package

* add uwp specific options, and minor general improvements

* fix string replace

* fix control file and windows path separator

* revert backslashes-fix -- the root cause was missing .exe extension

* upgrade to tf 2.3.1

* fix hard-coded version

* remove uwp work-in-progress code so that PR can be merged

* update README and print out usage info in portfile

* Update ports/tensorflow-cc/README-linux

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/README-linux

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/README-linux

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/README-linux

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/README-linux

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/README-windows

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/portfile.cmake

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/portfile.cmake

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/portfile.cmake

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/portfile.cmake

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/portfile.cmake

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* improve usage hints as discussed in review

* add comment

* apply changes from review

* make additional compiler / linker args space-proof

* Update ports/tensorflow-cc/README-macos

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/tensorflow-cc-config-shared.cmake.in

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/tensorflow-cc-config-shared.cmake.in

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/README-linux

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* Update ports/tensorflow-cc/README-macos

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* apply changes from code review

* maybe fix the config files

* rob.maynard CRs

* fix windows static lib naming for first part

* Update ports/tensorflow-cc/generate_static_link_cmd_windows.py

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* apply rob maynards 1st suggestion

* nicole CRs

* format/fix-compile

* fix missing string termination

* prefer IMPORTED_LOCATION over IMPORTED_LOCATION_RELEASE to have default fall-back

* hopefully fix the issue where no libraries are generated

* final stuff

Co-authored-by: Gehweiler <Joachim_Gehweiler@McAfee.com>
Co-authored-by: wangli28 <wangli28@beyondsoft.com>
Co-authored-by: Jack·Boos·Yu <47264268+JackBoosY@users.noreply.github.com>
Co-authored-by: Joachim Gehweiler <joachim@Joachims-iMac.local>
Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

20 files changed, 1263 insertions, 120 deletions

diff --git a/ports/tensorflow-cc/CONTROL b/ports/tensorflow-cc/CONTROL
index 2d0ff5007..d422260e3 100644
--- a/ports/tensorflow-cc/CONTROL
+++ b/ports/tensorflow-cc/CONTROL
@@ -1,6 +1,4 @@
 Source: tensorflow-cc
-Version: 1.14
-Port-Version: 5
+Version: 2.3.1
 Description: Library for computation using data flow graphs for scalable machine learning
-Build-Depends: c-ares
-Supports: !x86
+Supports: !(x86|arm|uwp)
diff --git a/ports/tensorflow-cc/README-linux b/ports/tensorflow-cc/README-linux
new file mode 100644
index 000000000..4e0cb514a
--- /dev/null
+++ b/ports/tensorflow-cc/README-linux
@@ -0,0 +1,13 @@
+Warning: Static TensorFlow build contains several external dependencies that may cause linking conflicts

+    (for example, one cannot use both openssl and TensorFlow in the same project, since TensorFlow contains boringssl).

+

+Note: Besides TensorFlow itself, you'll also need to pass its dependencies to the linker:

+    * libm

+    * libdl

+    * libpthread

+for example, '-ltensorflow_cc -lm -ldl -lpthread'.

+

+Note: There is no separate libtensorflow_framework.a as it got merged into libtensorflow_cc.a to avoid linking conflicts.

+

+Note: For some TensorFlow features (e.g. OpRegistry), it might be necessary to tell the linker to include the whole library:

+    '-Wl,--whole-archive -ltensorflow_cc -Wl,--no-whole-archive [rest of linker arguments]'

diff --git a/ports/tensorflow-cc/README-macos b/ports/tensorflow-cc/README-macos
new file mode 100644
index 000000000..6bbfd0781
--- /dev/null
+++ b/ports/tensorflow-cc/README-macos
@@ -0,0 +1,12 @@
+Warning: Static TensorFlow build contains several external dependencies that may cause linking conflicts

+    (for example, one cannot use both openssl and TensorFlow in the same project, since TensorFlow contains boringssl).

+

+Note: Besides TensorFlow itself, you'll also need to pass its dependencies to the linker:

+    * CoreFoundation

+    * Security (only when linking against the whole library, see below)

+for example, '-ltensorflow_cc -framework CoreFoundation -framework Security'.

+

+Note: There is no separate libtensorflow_framework.a as it got merged into libtensorflow_cc.a to avoid linking conflicts.

+

+Note: For some TensorFlow features (e.g. OpRegistry), it might be necessary to tell the linker to include the whole library:

+    '-Wl,-force_load,path/to/libtensorflow_cc.a [rest of linker arguments]'

diff --git a/ports/tensorflow-cc/README-windows b/ports/tensorflow-cc/README-windows
new file mode 100644
index 000000000..5a1952976
--- /dev/null
+++ b/ports/tensorflow-cc/README-windows
@@ -0,0 +1,5 @@
+Warning: Static TensorFlow build contains several external dependencies that may cause linking conflicts

+    (for example, one cannot use both openssl and TensorFlow in the same project, since TensorFlow contains boringssl).

+

+Note: For some TensorFlow features (e.g. OpRegistry), it might be necessary to convince the linker to include the whole library, i.e., link using options

+    '/WHOLEARCHIVE:tensorflow_cc.lib /WHOLEARCHIVE:tensorflow_cc-part2.lib /WHOLEARCHIVE:tensorflow_cc-part3.lib ...'

diff --git a/ports/tensorflow-cc/TensorflowCCConfig.cmake b/ports/tensorflow-cc/TensorflowCCConfig.cmake
deleted file mode 100644
index db12811d5..000000000
--- a/ports/tensorflow-cc/TensorflowCCConfig.cmake
+++ /dev/null
@@ -1,28 +0,0 @@
-set(tensorflow_cc_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/../../include")
-
-message(WARNING "Tensorflow has vendored dependencies. You may need to manually include files from tensorflow-external")
-set(tensorflow_cc_INCLUDE_DIRS
-	${tensorflow_cc_INCLUDE_DIR}
-	${tensorflow_cc_INCLUDE_DIR}/tensorflow-external/
-	${tensorflow_cc_INCLUDE_DIR}/tensorflow-external/tensorflow/
-	${tensorflow_cc_INCLUDE_DIR}/tensorflow-external/external/com_google_absl
-	${tensorflow_cc_INCLUDE_DIR}/tensorflow-external/bazel-out/k8-opt/bin/
-	${tensorflow_cc_INCLUDE_DIR}/tensorflow-external/external/protobuf_archive/src/
-)
-
-add_library(tensorflow_cc::tensorflow_framework SHARED IMPORTED)
-set_target_properties(tensorflow_cc::tensorflow_framework 
-	PROPERTIES
-	IMPORTED_LOCATION ${CMAKE_CURRENT_LIST_DIR}/../../lib/libtensorflow_framework.so.1.14.0
-	INTERFACE_INCLUDE_DIRECTORIES "${tensorflow_cc_INCLUDE_DIRS}"
-)
-
-add_library(tensorflow_cc::tensorflow_cc SHARED IMPORTED)
-set_target_properties(tensorflow_cc::tensorflow_cc
-	PROPERTIES 
-	IMPORTED_LOCATION ${CMAKE_CURRENT_LIST_DIR}/../../lib/libtensorflow_cc.so.1.14.0
-	INTERFACE_INCLUDE_DIRECTORIES "${tensorflow_cc_INCLUDE_DIRS}"
-)
-
-set(tensorflow_cc_FOUND TRUE)
-set(tensorflow_framework_FOUND TRUE)
\ No newline at end of file
diff --git a/ports/tensorflow-cc/change-macros-for-static-lib.patch b/ports/tensorflow-cc/change-macros-for-static-lib.patch
new file mode 100644
index 000000000..b000d5f0e
--- /dev/null
+++ b/ports/tensorflow-cc/change-macros-for-static-lib.patch
@@ -0,0 +1,266 @@
+diff --git a/tensorflow/core/platform/macros.h b/tensorflow/core/platform/macros.h
+--- a/tensorflow/core/platform/macros.h
++++ b/tensorflow/core/platform/macros.h
+@@ -57,16 +57,7 @@
+ #define TF_SCANF_ATTRIBUTE(string_index, first_to_check)
+ #endif
+ 
+-// Control visibility outside .so
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_EXPORT __declspec(dllexport)
+-#else
+-#define TF_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
++#define TF_EXPORT
+ 
+ #ifdef __has_builtin
+ #define TF_HAS_BUILTIN(x) __has_builtin(x)
+
+diff --git a/tensorflow/c/c_api.h b/tensorflow/c/c_api.h
+--- a/tensorflow/c/c_api.h
++++ b/tensorflow/c/c_api.h
+@@ -70,24 +70,7 @@
+ //   and the API just provides high level controls over the number of
+ //   devices of each type.
+ 
+-// Macro to control visibility of exported symbols in the shared library (.so,
+-// .dylib, .dll).
+-// This duplicates the TF_EXPORT macro definition in
+-// tensorflow/core/platform/macros.h in order to keep this .h file independent
+-// of any other includes.
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #ifdef __cplusplus
+ extern "C" {
+
+diff --git a/tensorflow/c/c_api_experimental.h b/tensorflow/c/c_api_experimental.h
+--- a/tensorflow/c/c_api_experimental.h
++++ b/tensorflow/c/c_api_experimental.h
+@@ -28,24 +28,7 @@
+ // The API here is subject to changes in the future.
+ // --------------------------------------------------------------------------
+ 
+-// Macro to control visibility of exported symbols in the shared library (.so,
+-// .dylib, .dll).
+-// This duplicates the TF_EXPORT macro definition in
+-// tensorflow/core/platform/macros.h in order to keep this .h file independent
+-// of any other includes.$a
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #ifdef __cplusplus
+ extern "C" {
+
+diff --git a/tensorflow/c/c_api_macros.h b/tensorflow/c/c_api_macros.h
+--- a/tensorflow/c/c_api_macros.h
++++ b/tensorflow/c/c_api_macros.h
+@@ -16,18 +16,6 @@
+ #ifndef TENSORFLOW_C_C_API_MACROS_H_
+ #define TENSORFLOW_C_C_API_MACROS_H_
+ 
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #endif  // TENSORFLOW_C_C_API_MACROS_H_
+
+diff --git a/tensorflow/c/kernels.h b/tensorflow/c/kernels.h
+--- a/tensorflow/c/kernels.h
++++ b/tensorflow/c/kernels.h
+@@ -21,24 +21,7 @@
+ #include "tensorflow/c/tf_datatype.h"
+ #include "tensorflow/c/tf_status.h"
+ 
+-// Macro to control visibility of exported symbols in the shared library (.so,
+-// .dylib, .dll).
+-// This duplicates the TF_EXPORT macro definition in
+-// tensorflow/core/platform/macros.h in order to keep this .h file independent
+-// of any other includes.
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #ifdef __cplusplus
+ extern "C" {
+
+diff --git a/tensorflow/c/ops.h b/tensorflow/c/ops.h
+--- a/tensorflow/c/ops.h
++++ b/tensorflow/c/ops.h
+@@ -76,19 +76,7 @@
+ #include "tensorflow/c/tf_datatype.h"
+ #include "tensorflow/c/tf_status.h"
+ 
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #ifdef __cplusplus
+ extern "C" {
+
+diff --git a/tensorflow/c/tf_datatype.h b/tensorflow/c/tf_datatype.h
+--- a/tensorflow/c/tf_datatype.h
++++ b/tensorflow/c/tf_datatype.h
+@@ -18,24 +18,7 @@
+ 
+ #include <stddef.h>
+ 
+-// Macro to control visibility of exported symbols in the shared library (.so,
+-// .dylib, .dll).
+-// This duplicates the TF_EXPORT macro definition in
+-// tensorflow/core/platform/macros.h in order to keep this .h file independent
+-// of any other includes.
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #ifdef __cplusplus
+ extern "C" {
+
+diff --git a/tensorflow/c/tf_status.h b/tensorflow/c/tf_status.h
+--- a/tensorflow/c/tf_status.h
++++ b/tensorflow/c/tf_status.h
+@@ -16,19 +16,7 @@
+ #ifndef TENSORFLOW_C_TF_STATUS_H_
+ #define TENSORFLOW_C_TF_STATUS_H_
+ 
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #ifdef __cplusplus
+ extern "C" {
+
+diff --git a/tensorflow/c/tf_tensor.h b/tensorflow/c/tf_tensor.h
+--- a/tensorflow/c/tf_tensor.h
++++ b/tensorflow/c/tf_tensor.h
+@@ -22,24 +22,7 @@
+ #include "tensorflow/c/tf_datatype.h"
+ #include "tensorflow/c/tf_status.h"
+
+-// Macro to control visibility of exported symbols in the shared library (.so,
+-// .dylib, .dll).
+-// This duplicates the TF_EXPORT macro definition in
+-// tensorflow/core/platform/macros.h in order to keep this .h file independent
+-// of any other includes.
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+
+ #ifdef __cplusplus
+ extern "C" {
+
+diff --git a/tensorflow/c/eager/c_api.h b/tensorflow/c/eager/c_api.h
+--- a/tensorflow/c/eager/c_api.h
++++ b/tensorflow/c/eager/c_api.h
+@@ -22,24 +22,7 @@
+ 
+ #include "tensorflow/c/c_api.h"
+ 
+-// Macro to control visibility of exported symbols in the shared library (.so,
+-// .dylib, .dll).
+-// This duplicates the TF_EXPORT macro definition in
+-// tensorflow/core/platform/macros.h in order to keep this .h file independent
+-// of any other includes.$a
+-#ifdef SWIG
+ #define TF_CAPI_EXPORT
+-#else
+-#if defined(_WIN32)
+-#ifdef TF_COMPILE_LIBRARY
+-#define TF_CAPI_EXPORT __declspec(dllexport)
+-#else
+-#define TF_CAPI_EXPORT __declspec(dllimport)
+-#endif  // TF_COMPILE_LIBRARY
+-#else
+-#define TF_CAPI_EXPORT __attribute__((visibility("default")))
+-#endif  // _WIN32
+-#endif  // SWIG
+ 
+ #ifdef __cplusplus
+ extern "C" {
diff --git a/ports/tensorflow-cc/convert_lib_params_linux.py b/ports/tensorflow-cc/convert_lib_params_linux.py
new file mode 100644
index 000000000..ba2c35270
--- /dev/null
+++ b/ports/tensorflow-cc/convert_lib_params_linux.py
@@ -0,0 +1,29 @@
+import sys

+

+version = sys.argv[1]

+

+with open(f"libtensorflow_cc.a.{version}-2.params", "w") as f_out:

+    parts = []

+    with open(f"libtensorflow_framework.so.{version}-2.params", "r") as f_in:

+        skip_next = False

+        for line in f_in:

+            if skip_next:

+                skip_next = False

+                continue

+            if line.startswith("-o"):

+                skip_next = True

+            elif line.startswith("bazel-out"):

+                f_out.write(line)

+                parts.append(line)

+    parts = set(parts)

+    with open(f"libtensorflow_cc.so.{version}-2.params", "r") as f_in:

+        skip_next = False

+        for line in f_in:

+            if skip_next:

+                skip_next = False

+                continue

+            if line.startswith("-o"):

+                skip_next = True

+            elif line.startswith("bazel-out"):

+                if line not in parts:

+                    f_out.write(line)

diff --git a/ports/tensorflow-cc/convert_lib_params_windows.py b/ports/tensorflow-cc/convert_lib_params_windows.py
new file mode 100644
index 000000000..5fc2fdd68
--- /dev/null
+++ b/ports/tensorflow-cc/convert_lib_params_windows.py
@@ -0,0 +1,27 @@
+import os

+import sys

+

+file_no = 1

+with open("tensorflow_cc.dll-2.params", "r") as f_in:

+    lib_name = None

+    acc_size = 0

+    f_out = open("tensorflow_cc.lib-2.params-part1", "w")

+    for line in f_in:

+        if line.startswith("/OUT:"):

+            lib_name = line

+            line = line.replace(".dll", "-part1.lib")

+            f_out.write(line)

+        elif line.startswith("/WHOLEARCHIVE:"):

+            line = line[len("/WHOLEARCHIVE:"):]

+            size = os.stat(f"../../{line.strip()}").st_size

+            if acc_size + size > 0xFFFFFFFF:

+                # we need to split the library if it is >4GB, because it's not supported even on x64 Windows

+                f_out.close()

+                file_no += 1

+                f_out = open(f"tensorflow_cc.lib-2.params-part{file_no}", "w")

+                acc_size = 0

+                f_out.write(lib_name.replace(".dll", f"-part{file_no}.lib"))

+            acc_size += size

+            f_out.write(line)

+    f_out.close()

+

diff --git a/ports/tensorflow-cc/file-exists.patch b/ports/tensorflow-cc/file-exists.patch
deleted file mode 100644
index 8cefb4828..000000000
--- a/ports/tensorflow-cc/file-exists.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/configure.py b/configure.py

-index 43af22d..7989b1f 100644

---- a/configure.py

-+++ b/configure.py

-@@ -183,7 +183,7 @@ def get_python_path(environ_cp, python_bin_path):

- 

-   paths = []

-   for path in all_paths:

--    if os.path.isdir(path):

-+    if os.path.isdir(path) or True:

-       paths.append(path)

-   return paths

- 

diff --git a/ports/tensorflow-cc/fix-dbg-build-errors.patch b/ports/tensorflow-cc/fix-dbg-build-errors.patch
new file mode 100644
index 000000000..63e95dbb8
--- /dev/null
+++ b/ports/tensorflow-cc/fix-dbg-build-errors.patch
@@ -0,0 +1,111 @@
+diff --git a/tensorflow/core/platform/path.cc b/tensorflow/core/platform/path.cc
+--- a/tensorflow/core/platform/path.cc
++++ b/tensorflow/core/platform/path.cc
+@@ -329,6 +329,7 @@
+   }
+   LOG(FATAL) << "No temp directory found.";
+ #endif
++  std::abort();
+ }
+ 
+ bool GetTestUndeclaredOutputsDir(string* dir) {
+
+diff --git a/tensorflow/core/framework/device_base.cc b/tensorflow/core/framework/device_base.cc
+--- a/tensorflow/core/framework/device_base.cc
++++ b/tensorflow/core/framework/device_base.cc
+@@ -65,10 +65,12 @@
+ 
+ const DeviceAttributes& DeviceBase::attributes() const {
+   LOG(FATAL) << "Device does not implement attributes()";
++  std::abort();
+ }
+ 
+ const string& DeviceBase::name() const {
+   LOG(FATAL) << "Device does not implement name()";
++  std::abort();
+ }
+ 
+ void DeviceBase::set_eigen_cpu_device(Eigen::ThreadPoolDevice* d) {
+
+diff --git a/tensorflow/core/kernels/depthtospace_op.cc b/tensorflow/core/kernels/depthtospace_op.cc
+--- a/tensorflow/core/kernels/depthtospace_op.cc
++++ b/tensorflow/core/kernels/depthtospace_op.cc
+@@ -117,13 +117,13 @@
+         // NCHW_VECT_C with 4 x qint8 can be treated as NCHW int32.
+         auto Tinput_v = input.template reinterpret_last_dimension<int32, 4>();
+         auto Toutput_v = outputs_tensor->reinterpret_last_dimension<int32, 4>();
+-        functor::DepthToSpaceOpFunctor<GPUDevice, int32, FORMAT_NCHW> functor;
+-        functor(context->eigen_device<GPUDevice>(), Tinput_v, block_size_,
++        functor::DepthToSpaceOpFunctor<Device, int32, FORMAT_NCHW> functor;
++        functor(context->eigen_device<Device>(), Tinput_v, block_size_,
+                 Toutput_v);
+         return;
+       } else if (data_format_ == FORMAT_NCHW) {
+-        functor::DepthToSpaceOpFunctor<GPUDevice, T, FORMAT_NCHW> functor;
+-        functor(context->eigen_device<GPUDevice>(), Tinput, block_size_,
++        functor::DepthToSpaceOpFunctor<Device, T, FORMAT_NCHW> functor;
++        functor(context->eigen_device<Device>(), Tinput, block_size_,
+                 Toutput);
+         return;
+       }
+@@ -173,6 +173,15 @@
+     }
+   }
+ };
++#ifdef WIN32
++template <typename T>
++struct DepthToSpaceOpFunctor<CPUDevice, T, FORMAT_NCHW> {
++  void operator()(const CPUDevice& d, typename TTypes<T, 4>::ConstTensor input,
++                  int block_size, typename TTypes<T, 4>::Tensor output) {
++    LOG(FATAL) << "dummy implementation to make debug build compile";
++  }
++};
++#endif
+ }  // namespace functor
+ 
+ #define REGISTER(type)                                                   \
+
+diff --git a/tensorflow/core/kernels/spacetodepth_op.cc b/tensorflow/core/kernels/spacetodepth_op.cc
+--- a/tensorflow/core/kernels/spacetodepth_op.cc
++++ b/tensorflow/core/kernels/spacetodepth_op.cc
+@@ -132,18 +132,18 @@
+         // NCHW_VECT_C with 4 x qint8 can be treated as NCHW int32.
+         auto Tinput_v = input.template reinterpret_last_dimension<int32, 4>();
+         auto Toutput_v = outputs_tensor->reinterpret_last_dimension<int32, 4>();
+-        functor::SpaceToDepthOpFunctor<GPUDevice, int32, FORMAT_NCHW> functor;
+-        functor(context->eigen_device<GPUDevice>(), Tinput_v, block_size_,
++        functor::SpaceToDepthOpFunctor<Device, int32, FORMAT_NCHW> functor;
++        functor(context->eigen_device<Device>(), Tinput_v, block_size_,
+                 Toutput_v);
+       } else if (data_format_ == FORMAT_NCHW) {
+         CHECK((std::is_same<T, RT>::value));
+-        functor::SpaceToDepthOpFunctor<GPUDevice, RT, FORMAT_NCHW> functor;
+-        functor(context->eigen_device<GPUDevice>(), input.tensor<RT, 4>(),
++        functor::SpaceToDepthOpFunctor<Device, RT, FORMAT_NCHW> functor;
++        functor(context->eigen_device<Device>(), input.tensor<RT, 4>(),
+                 block_size_, outputs_tensor->tensor<RT, 4>());
+       } else {
+         CHECK((std::is_same<T, RT>::value));
+-        functor::SpaceToDepthOpFunctor<GPUDevice, RT, FORMAT_NHWC> functor;
+-        functor(context->eigen_device<GPUDevice>(), input.tensor<RT, 4>(),
++        functor::SpaceToDepthOpFunctor<Device, RT, FORMAT_NHWC> functor;
++        functor(context->eigen_device<Device>(), input.tensor<RT, 4>(),
+                 block_size_, outputs_tensor->tensor<RT, 4>());
+       }
+     } else {
+@@ -188,6 +188,15 @@
+     }
+   }
+ };
++#ifdef WIN32
++template <typename T>
++struct SpaceToDepthOpFunctor<CPUDevice, T, FORMAT_NCHW> {
++  void operator()(const CPUDevice& d, typename TTypes<T, 4>::ConstTensor input,
++                  int block_size, typename TTypes<T, 4>::Tensor output) {
++    LOG(FATAL) << "dummy implementation to make debug build compile";
++  }
++};
++#endif
+ }  // namespace functor
+ 
+ #define REGISTER(type)                                                   \
diff --git a/ports/tensorflow-cc/fix-linux-build.patch b/ports/tensorflow-cc/fix-linux-build.patch
new file mode 100644
index 000000000..81a6a3be8
--- /dev/null
+++ b/ports/tensorflow-cc/fix-linux-build.patch
@@ -0,0 +1,64 @@
+diff --git a/third_party/aws/aws-checksums.bazel b/third_party/aws/aws-checksums.bazel
+--- a/third_party/aws/aws-checksums.bazel
++++ b/third_party/aws/aws-checksums.bazel
+@@ -7,6 +7,13 @@
+ 
+ exports_files(["LICENSE"])
+ 
++load("@bazel_skylib//lib:selects.bzl", "selects")
++
++selects.config_setting_group(
++    name = "is_linux_debug",
++    match_all = ["@org_tensorflow//tensorflow:linux_x86_64", "@org_tensorflow//tensorflow:debug"],
++)
++
+ cc_library(
+     name = "aws-checksums",
+     srcs = select({
+@@ -27,4 +34,10 @@
+     deps = [
+         "@aws-c-common",
+     ],
++    defines = select({
++        ":is_linux_debug": [
++            "DEBUG_BUILD"
++        ],
++        "//conditions:default": [],
++    }),
+ )
+
+diff --git a/tensorflow/core/kernels/data/experimental/io_ops.cc b/tensorflow/core/kernels/data/experimental/io_ops.cc
+--- a/tensorflow/core/kernels/data/experimental/io_ops.cc
++++ b/tensorflow/core/kernels/data/experimental/io_ops.cc
+@@ -28,6 +28,12 @@
+ namespace data {
+ namespace experimental {
+
++/*static*/ constexpr const char* const LoadDatasetOp::kCompression;
++/*static*/ constexpr const char* const LoadDatasetOp::kReaderFunc;
++/*static*/ constexpr const char* const LoadDatasetOp::kReaderFuncTarguments;
++
++/*static*/ constexpr const int SaveDatasetOp::kFileFormatVersion;
++
+ SaveDatasetOp::SaveDatasetOp(OpKernelConstruction* ctx)
+     : HybridAsyncOpKernel(ctx, "tf_data_save_dataset") {
+   OP_REQUIRES_OK(ctx, ctx->GetAttr(kCompression, &compression_));
+
+diff --git a/tensorflow/core/kernels/data/experimental/snapshot_dataset_op.cc b/tensorflow/core/kernels/data/experimental/snapshot_dataset_op.cc
+--- a/tensorflow/core/kernels/data/experimental/snapshot_dataset_op.cc
++++ b/tensorflow/core/kernels/data/experimental/snapshot_dataset_op.cc
+@@ -63,6 +63,14 @@
+ namespace data {
+ namespace experimental {
+
++/*static*/ constexpr const char* const SnapshotDatasetV2Op::kCompression;
++/*static*/ constexpr const char* const SnapshotDatasetV2Op::kReaderFunc;
++/*static*/ constexpr const char* const SnapshotDatasetV2Op::kShardFunc;
++/*static*/ constexpr const char* const SnapshotDatasetV2Op::kReaderFuncTarguments;
++/*static*/ constexpr const char* const SnapshotDatasetV2Op::kShardFuncTarguments;
++
++/*static*/ constexpr const int SnapshotDatasetV2Op::kFileFormatVersion;
++
+ // ==== Snapshot Implementation ====
+
+ /* The current snapshot on-disk layout is as follows:
diff --git a/ports/tensorflow-cc/fix-more-build-errors.patch b/ports/tensorflow-cc/fix-more-build-errors.patch
new file mode 100644
index 000000000..c7d6a9b7f
--- /dev/null
+++ b/ports/tensorflow-cc/fix-more-build-errors.patch
@@ -0,0 +1,11 @@
+diff --git a/tensorflow/core/distributed_runtime/remote_device.cc b/tensorflow/core/distributed_runtime/remote_device.cc
+--- a/tensorflow/core/distributed_runtime/remote_device.cc
++++ b/tensorflow/core/distributed_runtime/remote_device.cc
+@@ -45,6 +45,7 @@
+   ResourceMgr* resource_manager() override {
+     LOG(FATAL) << "Accessing the resource manager of a remote device is not "
+                << "supported.";
++    std::abort();
+   }
+ 
+   bool IsLocal() const override { return false; }
diff --git a/ports/tensorflow-cc/generate_static_link_cmd_linux.py b/ports/tensorflow-cc/generate_static_link_cmd_linux.py
new file mode 100644
index 000000000..3b7c04f49
--- /dev/null
+++ b/ports/tensorflow-cc/generate_static_link_cmd_linux.py
@@ -0,0 +1,22 @@
+import re

+import sys

+

+with open(sys.argv[1], "r") as f_in:

+    with open("static_link.sh", "w") as f_out:

+        p_cd = re.compile("^\\((cd .*) && \\\\$")

+        p_linker = re.compile("^\\s*(.+)gcc.+(@bazel-out\\S+libtensorflow_cc\\.so\\.\\d\\.\\d\\.\\d-2\\.params).*")

+        f_out.write("#!/bin/bash\n# note: ar/binutils version 2.27 required to support output files > 4GB\n")

+        env = []

+        for line in f_in:

+            if line.startswith("(cd"):

+                # new command, reset

+                env = [line]

+            else:

+                m1 = p_linker.match(line)

+                if m1:

+                    m2 = p_cd.match(env[0])

+                    f_out.write(m2.group(1) + "\n")

+                    line = f'"{m1.group(1)}ar" rcs {m1.group(2)[1:-9].replace(".so", ".a")} {m1.group(2).replace(".so", ".a")}\n'

+                    f_out.write(line)

+                else:

+                    env.append(line)

diff --git a/ports/tensorflow-cc/generate_static_link_cmd_macos.py b/ports/tensorflow-cc/generate_static_link_cmd_macos.py
new file mode 100644
index 000000000..f1dfbbc46
--- /dev/null
+++ b/ports/tensorflow-cc/generate_static_link_cmd_macos.py
@@ -0,0 +1,46 @@
+import re

+import sys

+

+with open(sys.argv[1], "r") as f_in:

+    with open("static_link.sh", "w") as f_out:

+        p_cd = re.compile("^\\((cd .*) && \\\\$")

+        p_linker1 = re.compile("^.*cc_wrapper.sh.+-shared.+-o (bazel-out\\S+libtensorflow_cc\\.\\d\\.\\d\\.\\d\\.dylib)")

+        p_linker2 = re.compile("^.*cc_wrapper.sh.+-shared.+-o (bazel-out\\S+libtensorflow_framework\\.\\d\\.\\d\\.\\d\\.dylib)")

+        f_out.write("#!/bin/bash\n# note: ar/binutils version 2.27 required to support output files > 4GB\n")

+        env = []

+        parts = None

+        for line in f_in:

+            if line.startswith("(cd"):

+                # new command, reset

+                env = [line]

+            else:

+                m1 = p_linker1.match(line)

+                m2 = p_linker2.match(line)

+                if m1:

+                    tokens = line.split()

+                    if parts is None:

+                        parts = [t[16:] for t in tokens if t.startswith("-Wl,-force_load,")]

+                    else:

+                        m = p_cd.match(env[0])

+                        f_out.write(m.group(1) + "\n")

+                        tmp = [t[16:] for t in tokens if t.startswith("-Wl,-force_load,")]

+                        old = set(parts)

+                        parts += [t for t in tmp if t not in old]

+                        line = f"libtool -static -o {m1.group(1).replace('.dylib', '.a')} {' '.join(parts)}\n"

+                        f_out.write(line)

+                        break

+                elif m2 and len(env) > 6:

+                    tokens = line.split()

+                    if parts is None:

+                        parts = [t[16:] for t in tokens if t.startswith("-Wl,-force_load,")]

+                    else:

+                        m = p_cd.match(env[0])

+                        f_out.write(m.group(1) + "\n")

+                        tmp = [t[16:] for t in tokens if t.startswith("-Wl,-force_load,")]

+                        old = set(parts)

+                        parts += [t for t in tmp if t not in old]

+                        line = f"libtool -static -o {m2.group(1).replace('_framework', '_cc').replace('.dylib', '.a')} {' '.join(parts)}\n"

+                        f_out.write(line)

+                        break

+                else:

+                    env.append(line)

diff --git a/ports/tensorflow-cc/generate_static_link_cmd_windows.py b/ports/tensorflow-cc/generate_static_link_cmd_windows.py
new file mode 100644
index 000000000..363b3ad88
--- /dev/null
+++ b/ports/tensorflow-cc/generate_static_link_cmd_windows.py
@@ -0,0 +1,41 @@
+import os.path

+import re

+import sys

+

+with open(sys.argv[1], "r") as f_in:

+    with open("static_link.bat", "w") as f_out:

+        p_setenv = re.compile("^\s*(SET .+=.*)$")

+        p_linker = re.compile(".+link\\.exe.+tensorflow_cc\\.dll-2\\.params.*")

+        env = []

+        for line in f_in:

+            if line.startswith("cd"):

+                # new command, reset

+                env = []

+            else:

+                m = p_setenv.match(line)

+                if m:

+                    env.append(m.group(1))

+                else:

+                    m = p_linker.match(line)

+                    if m:

+                        for e in env:

+                            f_out.write(e + "\n")

+                        tokens = line.split()

+                        line = "\""

+                        params_file = None

+                        for t in tokens:

+                            if t.endswith("link.exe"):

+                                t = t[:-len("link.exe")] + "lib.exe\""

+                            elif t == "/DLL" or t.lower()[1:].startswith("defaultlib:") or t.lower()[1:].startswith("ignore") or t.startswith("/OPT:") or t.startswith("/DEF:") or t.startswith("/DEBUG:") or t.startswith("/INCREMENTAL:"):

+                                continue

+                            elif t[0] == '@' and t.endswith("tensorflow_cc.dll-2.params"):

+                                t = t[:-len("dll-2.params")] + "lib-2.params-part1"

+                                params_file = t[1:-len("-part1")]

+                            line += t + " "

+                        f_out.write(line + "\n")

+                        # check for more parts if library needs to be split

+                        file_no = 2

+                        while os.path.isfile(f"{params_file}-part{file_no}"):

+                            f_out.write(line.replace("lib-2.params-part1", f"lib-2.params-part{file_no}") + "\n")

+                            file_no += 1

+                        break

diff --git a/ports/tensorflow-cc/portfile.cmake b/ports/tensorflow-cc/portfile.cmake
index 0aa53e7ae..35dbb5d1b 100644
--- a/ports/tensorflow-cc/portfile.cmake
+++ b/ports/tensorflow-cc/portfile.cmake
@@ -1,61 +1,53 @@
-message(WARNING "This tensorflow port currently is experimental on Windows and Linux platforms.")
+vcpkg_fail_port_install(ON_ARCH "x86" "arm" ON_TARGET "UWP")
 
-if (VCPKG_TARGET_ARCHITECTURE STREQUAL x86)
-    message(FATAL_ERROR "TensorFlow does not support 32bit systems.")
-endif()
-
-vcpkg_from_github(
-    OUT_SOURCE_PATH SOURCE_PATH
-    REPO tensorflow/tensorflow
-    REF v1.14.0
-    SHA512 ac9ea5a2d1c761aaafbdc335259e29c128127b8d069ec5b206067935180490aa95e93c7e13de57f7f54ce4ba4f34a822face22b4a028f60185edb380e5cd4787
-    HEAD_REF master
-    PATCHES
-        file-exists.patch # required or otherwise it cant find python lib path on windows
-        fix-build-error.patch # Fix namespace error
-)
+set(TF_VERSION 2.3.1)
+set(TF_VERSION_SHORT 2.3)
 
-# due to https://github.com/bazelbuild/bazel/issues/8028, bazel must be version 25.0 or higher
 vcpkg_find_acquire_program(BAZEL)
 get_filename_component(BAZEL_DIR "${BAZEL}" DIRECTORY)
 vcpkg_add_to_path(PREPEND ${BAZEL_DIR})
 set(ENV{BAZEL_BIN_PATH} "${BAZEL}")
 
-vcpkg_find_acquire_program(PYTHON3)
-get_filename_component(PYTHON3_DIR "${PYTHON3}" DIRECTORY)
-vcpkg_add_to_path(PREPEND ${PYTHON3_DIR})
-set(ENV{PYTHON_BIN_PATH} "${PYTHON3}")
+function(tensorflow_try_remove_recurse_wait PATH_TO_REMOVE)
+	file(REMOVE_RECURSE ${PATH_TO_REMOVE})
+	if(EXISTS "${PATH_TO_REMOVE}")
+		vcpkg_execute_required_process(COMMAND ${CMAKE_COMMAND} -E sleep 5 WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR} LOGNAME prerequesits-sleep-${TARGET_TRIPLET})
+		file(REMOVE_RECURSE ${PATH_TO_REMOVE})
+	endif()
+endfunction()
 
 vcpkg_find_acquire_program(GIT)
 get_filename_component(GIT_DIR "${GIT}" DIRECTORY)
 vcpkg_add_to_path(PREPEND ${GIT_DIR})
 
-function(tensorflow_try_remove_recurse_wait PATH_TO_REMOVE)
-    file(REMOVE_RECURSE ${PATH_TO_REMOVE})
-    if (EXISTS "${PATH_TO_REMOVE}")
-        _execute_process(COMMAND ${CMAKE_COMMAND} -E sleep 5)
-        file(REMOVE_RECURSE ${PATH_TO_REMOVE})
-    endif()
-endfunction()
-
 if(CMAKE_HOST_WIN32)
-    vcpkg_acquire_msys(MSYS_ROOT PACKAGES bash unzip patch diffutils libintl gzip coreutils)
-    vcpkg_add_to_path(${MSYS_ROOT}/usr/bin)
-    set(BASH ${MSYS_ROOT}/usr/bin/bash.exe)
-    set(ENV{BAZEL_SH} ${MSYS_ROOT}/usr/bin/bash.exe)
-
-    set(ENV{BAZEL_VS} $ENV{VSInstallDir})
-    set(ENV{BAZEL_VC} $ENV{VCInstallDir})
-    set(ENV{BAZEL_VC_FULL_VERSION} $ENV{VCToolsVersion})
+	vcpkg_acquire_msys(MSYS_ROOT PACKAGES bash unzip patch diffutils libintl gzip coreutils mingw-w64-x86_64-python-numpy)
+	vcpkg_add_to_path(${MSYS_ROOT}/usr/bin)
+	vcpkg_add_to_path(${MSYS_ROOT}/mingw64/bin)
+	set(BASH ${MSYS_ROOT}/usr/bin/bash.exe)
+
+	set(ENV{BAZEL_SH} ${MSYS_ROOT}/usr/bin/bash.exe)
+	set(ENV{BAZEL_VC} $ENV{VCInstallDir})
+	set(ENV{BAZEL_VC_FULL_VERSION} $ENV{VCToolsVersion})
+
+	set(PYTHON3 "${MSYS_ROOT}/mingw64/bin/python3.exe")
+	vcpkg_execute_required_process(COMMAND ${PYTHON3} -c "import site; print(site.getsitepackages()[0])" WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR} LOGNAME prerequesits-pypath-${TARGET_TRIPLET} OUTPUT_VARIABLE PYTHON_LIB_PATH)
+else()
+	vcpkg_find_acquire_program(PYTHON3)
+	get_filename_component(PYTHON3_DIR "${PYTHON3}" DIRECTORY)
+	vcpkg_add_to_path(PREPEND ${PYTHON3_DIR})
+
+	vcpkg_execute_required_process(COMMAND ${PYTHON3} -m pip install --user -U numpy WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR} LOGNAME prerequesits-pip-${TARGET_TRIPLET})
+	vcpkg_execute_required_process(COMMAND ${PYTHON3} -c "import site; print(site.getusersitepackages())" WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR} LOGNAME prerequesits-pypath-${TARGET_TRIPLET} OUTPUT_VARIABLE PYTHON_LIB_PATH)
 endif()
+set(ENV{PYTHON_BIN_PATH} "${PYTHON3}")
+set(ENV{PYTHON_LIB_PATH} "${PYTHON_LIB_PATH}")
 
-# we currently only support the release version
-tensorflow_try_remove_recurse_wait(${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel)
-file(RENAME ${SOURCE_PATH} ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel)
-set(SOURCE_PATH "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel")
+# check if numpy can be loaded
+vcpkg_execute_required_process(COMMAND ${PYTHON3} -c "import numpy" WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR} LOGNAME prerequesits-numpy-${TARGET_TRIPLET})
 
 # tensorflow has long file names, which will not work on windows
-set(ENV{TEST_TMPDIR} ${CURRENT_BUILDTREES_DIR}/../.bzl)
+set(ENV{TEST_TMPDIR} ${BUILDTREES_DIR}/.bzl)
 
 set(ENV{USE_DEFAULT_PYTHON_LIB_PATH} 1)
 set(ENV{TF_NEED_KAFKA} 0)
@@ -75,51 +67,379 @@ set(ENV{TF_NEED_IGNITE} 0)
 set(ENV{TF_NEED_ROCM} 0)
 set(ENV{TF_SET_ANDROID_WORKSPACE} 0)
 set(ENV{TF_DOWNLOAD_CLANG} 0)
-set(ENV{TF_NCCL_VERSION} 2.3)
+set(ENV{TF_NCCL_VERSION} ${TF_VERSION_SHORT})
 set(ENV{NCCL_INSTALL_PATH} "")
 set(ENV{CC_OPT_FLAGS} "/arch:AVX")
 set(ENV{TF_NEED_CUDA} 0)
 set(ENV{TF_CONFIGURE_IOS} 0)
 
-message(STATUS "Configuring TensorFlow")
-
-vcpkg_execute_required_process(
-    COMMAND ${PYTHON3} ${SOURCE_PATH}/configure.py --workspace "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel"
-    WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel
-    LOGNAME config-${TARGET_TRIPLET}-rel
-)
-message(STATUS "Warning: Building TensorFlow can take an hour or more.")
-
-if(CMAKE_HOST_WIN32)
-    vcpkg_execute_build_process(
-        COMMAND ${BASH} --noprofile --norc -c "${BAZEL} build --verbose_failures -c opt --python_path=${PYTHON3} --incompatible_disable_deprecated_attr_params=false --define=no_tensorflow_py_deps=true ///tensorflow:libtensorflow_cc.so ///tensorflow:install_headers"
-        WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel
-        LOGNAME build-${TARGET_TRIPLET}-rel
-    )
+if(VCPKG_TARGET_IS_WINDOWS)
+	set(BAZEL_LIB_NAME tensorflow_cc.dll)
+	set(PLATFORM_SUFFIX windows)
+	set(STATIC_LINK_CMD static_link.bat)
+elseif(VCPKG_TARGET_IS_OSX)
+	set(BAZEL_LIB_NAME libtensorflow_cc.dylib)
+	set(PLATFORM_SUFFIX macos)
+	set(STATIC_LINK_CMD sh static_link.sh)
+	if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+		set(TF_LIB_NAME "libtensorflow_cc.dylib")
+		set(TF_LIB_NAME_SHORT "libtensorflow_cc.2.dylib")
+		set(TF_LIB_NAME_FULL "libtensorflow_cc.${TF_VERSION}.dylib")
+		set(TF_FRAMEWORK_NAME "libtensorflow_framework.dylib")
+		set(TF_FRAMEWORK_NAME_SHORT "libtensorflow_framework.2.dylib")
+		set(TF_FRAMEWORK_NAME_FULL "libtensorflow_framework.${TF_VERSION}.dylib")
+	else()
+		set(TF_LIB_NAME "libtensorflow_cc.a")
+		set(TF_LIB_NAME_SHORT "libtensorflow_cc.2.a")
+		set(TF_LIB_NAME_FULL "libtensorflow_cc.${TF_VERSION}.a")
+	endif()
 else()
-    vcpkg_execute_build_process(
-        COMMAND ${BAZEL} build --verbose_failures -c opt --python_path=${PYTHON3} --incompatible_disable_deprecated_attr_params=false --define=no_tensorflow_py_deps=true //tensorflow:libtensorflow_cc.so //tensorflow:install_headers
-        WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel
-        LOGNAME build-${TARGET_TRIPLET}-rel
-    )
+	set(BAZEL_LIB_NAME libtensorflow_cc.so)
+	set(PLATFORM_SUFFIX linux)
+	set(STATIC_LINK_CMD sh static_link.sh)
+	if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+		set(TF_LIB_NAME "libtensorflow_cc.so")
+		set(TF_LIB_NAME_SHORT "libtensorflow_cc.so.2")
+		set(TF_LIB_NAME_FULL "libtensorflow_cc.so.${TF_VERSION}")
+		set(TF_FRAMEWORK_NAME "libtensorflow_framework.so")
+		set(TF_FRAMEWORK_NAME_SHORT "libtensorflow_framework.so.2")
+		set(TF_FRAMEWORK_NAME_FULL "libtensorflow_framework.so.${TF_VERSION}")
+	else()
+		set(TF_LIB_NAME "libtensorflow_cc.a")
+		set(TF_LIB_NAME_SHORT "libtensorflow_cc.a.2")
+		set(TF_LIB_NAME_FULL "libtensorflow_cc.a.${TF_VERSION}")
+	endif()
 endif()
 
-file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-genfiles/tensorflow/include/ DESTINATION ${CURRENT_PACKAGES_DIR}/include/tensorflow-external)
+foreach(BUILD_TYPE dbg rel)
+	# prefer repeated source extraction here for each build type over extracting once above the loop and copying because users reported issues with copying symlinks 
+	set(STATIC_ONLY_PATCHES)
+	set(LINUX_ONLY_PATCHES)
+	if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
+		set(STATIC_ONLY_PATCHES change-macros-for-static-lib.patch)  # there is no static build option - change macros via patch and link library manually at the end
+	endif()
+	if(VCPKG_TARGET_IS_LINUX)
+		set(LINUX_ONLY_PATCHES fix-linux-build.patch)
+	endif()
+	vcpkg_from_github(
+		OUT_SOURCE_PATH SOURCE_PATH
+		REPO tensorflow/tensorflow
+		REF "v${TF_VERSION}"
+		SHA512 e497ef4564f50abf9f918be4522cf702f4cf945cb1ebf83af1386ac4ddc7373b3ba70c7f803f8ca06faf2c6b5396e60b1e0e9b97bfbd667e733b08b6e6d70ef0
+		HEAD_REF master
+		PATCHES
+			fix-build-error.patch # Fix namespace error
+			fix-dbg-build-errors.patch # Fix no return statement
+			fix-more-build-errors.patch # Fix no return statement
+			${STATIC_ONLY_PATCHES}
+			${LINUX_ONLY_PATCHES}
+	)
 
-if(CMAKE_HOST_WIN32)
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_cc.so.1.14.0 DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_cc.so.1.14.0.if.lib DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_cc.so.1.14.0 DESTINATION ${CURRENT_PACKAGES_DIR}/debug/lib)
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_cc.so.1.14.0.if.lib DESTINATION ${CURRENT_PACKAGES_DIR}/debug/lib)
-else()
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_cc.so.1.14.0 DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_framework.so.1.14.0 DESTINATION ${CURRENT_PACKAGES_DIR}/lib)
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_cc.so.1.14.0 DESTINATION ${CURRENT_PACKAGES_DIR}/debug/lib)
-    file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/libtensorflow_framework.so.1.14.0 DESTINATION ${CURRENT_PACKAGES_DIR}/debug/lib)
+	message(STATUS "Configuring TensorFlow (${BUILD_TYPE})")
+	tensorflow_try_remove_recurse_wait(${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE})
+	file(RENAME ${SOURCE_PATH} ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE})
+	set(SOURCE_PATH "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}")
+
+	vcpkg_execute_required_process(
+		COMMAND ${PYTHON3} ${SOURCE_PATH}/configure.py --workspace "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}"
+		WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}
+		LOGNAME config-${TARGET_TRIPLET}-${BUILD_TYPE}
+	)
+
+	if(DEFINED ENV{BAZEL_CUSTOM_CACERTS})
+		file(APPEND ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/.bazelrc "startup --host_jvm_args=-Djavax.net.ssl.trustStore='$ENV{BAZEL_CUSTOM_CACERTS}'\n")
+		message(STATUS "Using custom CA certificate store at: $ENV{BAZEL_CUSTOM_CACERTS}")
+		if(DEFINED ENV{BAZEL_CUSTOM_CACERTS_PASSWORD})
+			file(APPEND ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/.bazelrc "startup --host_jvm_args=-Djavax.net.ssl.trustStorePassword='$ENV{BAZEL_CUSTOM_CACERTS_PASSWORD}'\n")
+			message(STATUS "Using supplied custom CA certificate store password.")
+		endif()
+	else()
+		if(DEFINED ENV{HTTPS_PROXY})
+			message(STATUS "You are using HTTPS_PROXY. In case you encounter bazel certificate errors, you might want to set: BAZEL_CUSTOM_CACERTS=/path/to/trust.store (and optionally BAZEL_CUSTOM_CACERTS_PASSWORD), and to enable vcpkg to actually use it: VCPKG_KEEP_ENV_VARS=BAZEL_CUSTOM_CACERTS;BAZEL_CUSTOM_CACERTS_PASSWORD")
+			if(CMAKE_HOST_WIN32)
+				message(STATUS "(For BAZEL_CUSTOM_CACERTS please use forward slashes instead of backslashes on Windows systems.")
+			endif()
+		endif()
+	endif()
+
+	message(STATUS "Warning: Building TensorFlow can take an hour or more.")
+	set(COPTS)
+	set(CXXOPTS)
+	set(LINKOPTS)
+	if(VCPKG_TARGET_IS_WINDOWS)
+		set(PLATFORM_COMMAND WINDOWS_COMMAND)
+	else()
+		set(PLATFORM_COMMAND UNIX_COMMAND)
+	endif()
+	if(BUILD_TYPE STREQUAL dbg)
+		if(VCPKG_TARGET_IS_WINDOWS)
+			set(BUILD_OPTS "--compilation_mode=dbg --features=fastbuild") # link with /DEBUG:FASTLINK instead of /DEBUG:FULL to avoid .pdb >4GB error
+		else()
+			set(BUILD_OPTS "--compilation_mode=dbg")
+		endif()
+
+		separate_arguments(VCPKG_C_FLAGS ${PLATFORM_COMMAND} ${VCPKG_C_FLAGS})
+		separate_arguments(VCPKG_C_FLAGS_DEBUG ${PLATFORM_COMMAND} ${VCPKG_C_FLAGS_DEBUG})
+		foreach(OPT IN LISTS VCPKG_C_FLAGS VCPKG_C_FLAGS_DEBUG)
+			list(APPEND COPTS "--copt='${OPT}'")
+		endforeach()
+		separate_arguments(VCPKG_CXX_FLAGS ${PLATFORM_COMMAND} ${VCPKG_CXX_FLAGS})
+		separate_arguments(VCPKG_CXX_FLAGS_DEBUG ${PLATFORM_COMMAND} ${VCPKG_CXX_FLAGS_DEBUG})
+		foreach(OPT IN LISTS VCPKG_CXX_FLAGS VCPKG_CXX_FLAGS_DEBUG)
+			list(APPEND CXXOPTS "--cxxopt='${OPT}'")
+		endforeach()
+		separate_arguments(VCPKG_LINKER_FLAGS ${PLATFORM_COMMAND} ${VCPKG_LINKER_FLAGS})
+		separate_arguments(VCPKG_LINKER_FLAGS_DEBUG ${PLATFORM_COMMAND} ${VCPKG_LINKER_FLAGS_DEBUG})
+		foreach(OPT IN LISTS VCPKG_LINKER_FLAGS VCPKG_LINKER_FLAGS_DEBUG)
+			list(APPEND LINKOPTS "--linkopt='${OPT}'")
+		endforeach()
+	else()
+		set(BUILD_OPTS "--compilation_mode=opt")
+
+		separate_arguments(VCPKG_C_FLAGS ${PLATFORM_COMMAND} ${VCPKG_C_FLAGS})
+		separate_arguments(VCPKG_C_FLAGS_RELEASE ${PLATFORM_COMMAND} ${VCPKG_C_FLAGS_RELEASE})
+		foreach(OPT IN LISTS VCPKG_C_FLAGS VCPKG_C_FLAGS_RELEASE)
+			list(APPEND COPTS "--copt='${OPT}'")
+		endforeach()
+		separate_arguments(VCPKG_CXX_FLAGS ${PLATFORM_COMMAND} ${VCPKG_CXX_FLAGS})
+		separate_arguments(VCPKG_CXX_FLAGS_RELEASE ${PLATFORM_COMMAND} ${VCPKG_CXX_FLAGS_RELEASE})
+		foreach(OPT IN LISTS VCPKG_CXX_FLAGS VCPKG_CXX_FLAGS_RELEASE)
+			list(APPEND CXXOPTS "--cxxopt='${OPT}'")
+		endforeach()
+		separate_arguments(VCPKG_LINKER_FLAGS ${PLATFORM_COMMAND} ${VCPKG_LINKER_FLAGS})
+		separate_arguments(VCPKG_LINKER_FLAGS_RELEASE ${PLATFORM_COMMAND} ${VCPKG_LINKER_FLAGS_RELEASE})
+		foreach(OPT IN LISTS VCPKG_LINKER_FLAGS VCPKG_LINKER_FLAGS_RELEASE)
+			list(APPEND LINKOPTS "--linkopt='${OPT}'")
+		endforeach()
+	endif()
+
+	if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+		if(VCPKG_TARGET_IS_WINDOWS)
+			list(JOIN COPTS " " COPTS)
+			list(JOIN CXXOPTS " " CXXOPTS)
+			list(JOIN LINKOPTS " " LINKOPTS)
+			vcpkg_execute_build_process(
+				COMMAND ${BASH} --noprofile --norc -c "'${BAZEL}' build --verbose_failures ${BUILD_OPTS} ${COPTS} ${CXXOPTS} ${LINKOPTS} --python_path='${PYTHON3}' --define=no_tensorflow_py_deps=true ///tensorflow:tensorflow_cc.dll ///tensorflow:install_headers"
+				WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}
+				LOGNAME build-${TARGET_TRIPLET}-${BUILD_TYPE}
+			)
+		else()
+			vcpkg_execute_build_process(
+				COMMAND ${BAZEL} build --verbose_failures ${BUILD_OPTS} --python_path=${PYTHON3} ${COPTS} ${CXXOPTS} ${LINKOPTS} --define=no_tensorflow_py_deps=true //tensorflow:${BAZEL_LIB_NAME} //tensorflow:install_headers
+				WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}
+				LOGNAME build-${TARGET_TRIPLET}-${BUILD_TYPE}
+			)
+		endif()
+	else()
+		if(VCPKG_TARGET_IS_WINDOWS)
+			if(VCPKG_CRT_LINKAGE STREQUAL static)
+				if(BUILD_TYPE STREQUAL dbg)
+					list(APPEND COPTS "--copt=-MTd")
+				else()
+					list(APPEND COPTS "--copt=-MT")
+				endif()
+			endif()
+			list(JOIN COPTS " " COPTS)
+			list(JOIN CXXOPTS " " CXXOPTS)
+			list(JOIN LINKOPTS " " LINKOPTS)
+			vcpkg_execute_build_process(
+				COMMAND ${BASH} --noprofile --norc -c "${BAZEL} build -s --verbose_failures ${BUILD_OPTS} --features=fully_static_link ${COPTS} ${CXXOPTS} ${LINKOPTS} --python_path='${PYTHON3}' --define=no_tensorflow_py_deps=true ///tensorflow:tensorflow_cc.dll ///tensorflow:install_headers"
+				WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}
+				LOGNAME build-${TARGET_TRIPLET}-${BUILD_TYPE}
+			)
+		else()
+			vcpkg_execute_build_process(
+				COMMAND ${BAZEL} build -s --verbose_failures ${BUILD_OPTS} ${COPTS} ${CXXOPTS} ${LINKOPTS} --python_path=${PYTHON3} --define=no_tensorflow_py_deps=true //tensorflow:${BAZEL_LIB_NAME} //tensorflow:install_headers
+				WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}
+				LOGNAME build-${TARGET_TRIPLET}-${BUILD_TYPE}
+			)
+		endif()
+		if(NOT VCPKG_TARGET_IS_OSX)
+			if(VCPKG_TARGET_IS_WINDOWS)
+				vcpkg_execute_build_process(
+					COMMAND ${PYTHON3} "${CMAKE_CURRENT_LIST_DIR}/convert_lib_params_${PLATFORM_SUFFIX}.py"
+					WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow
+					LOGNAME postbuild1-${TARGET_TRIPLET}-${BUILD_TYPE}
+				)
+			else()
+				vcpkg_execute_build_process(
+					COMMAND ${PYTHON3} "${CMAKE_CURRENT_LIST_DIR}/convert_lib_params_${PLATFORM_SUFFIX}.py" "${TF_VERSION}"
+					WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow
+					LOGNAME postbuild1-${TARGET_TRIPLET}-${BUILD_TYPE}
+				)
+			endif()
+		endif()
+		vcpkg_execute_build_process(
+			COMMAND ${PYTHON3} "${CMAKE_CURRENT_LIST_DIR}/generate_static_link_cmd_${PLATFORM_SUFFIX}.py" "${CURRENT_BUILDTREES_DIR}/build-${TARGET_TRIPLET}-${BUILD_TYPE}-err.log" # for some reason stdout of bazel ends up in stderr
+			WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-${TARGET_TRIPLET}-${BUILD_TYPE}
+			LOGNAME postbuild2-${TARGET_TRIPLET}-${BUILD_TYPE}
+		)
+		vcpkg_execute_build_process(
+			COMMAND ${STATIC_LINK_CMD}
+			WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-${TARGET_TRIPLET}-${BUILD_TYPE}
+			LOGNAME postbuild3-${TARGET_TRIPLET}-${BUILD_TYPE}
+		)
+	endif()
+
+	if(BUILD_TYPE STREQUAL "dbg")
+		set(DIR_PREFIX "/debug")
+	else()
+		set(DIR_PREFIX "")
+	endif()
+
+	if(VCPKG_TARGET_IS_WINDOWS)
+		if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+			file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/tensorflow_cc.dll DESTINATION ${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/bin)
+			# rename before copy because after copy the file might be locked by anti-malware scanners for some time so that renaming fails
+			file(RENAME ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/tensorflow_cc.dll.if.lib ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/tensorflow_cc.lib)
+			file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/tensorflow_cc.lib DESTINATION ${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib)
+			if(BUILD_TYPE STREQUAL dbg)
+				file(COPY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/tensorflow_cc.pdb DESTINATION ${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/bin)
+				message(STATUS "Warning: debug information tensorflow_cc.pdb will be of limited use because only a reduced set could be produced due to the 4GB internal PDB file limit even on x64.")
+			endif()
+		else()
+			if(BUILD_TYPE STREQUAL dbg)
+				set(library_parts_variable TF_LIB_PARTS_DEBUG)
+			else()
+				set(library_parts_variable TF_LIB_PARTS_RELEASE)
+			endif()
+			set(${library_parts_variable})
+
+			# library might have been split because no more than 4GB are supported even on x64 Windows
+			foreach(PART_NO RANGE 1 100)
+				set(source "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/tensorflow_cc-part${PART_NO}.lib")
+				if(EXISTS "${source}")
+					file(COPY "${source}" DESTINATION "${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib")
+					list(APPEND ${library_parts_variable} "tensorflow_cc-part${PART_NO}.lib")
+				else()
+					break()
+				endif()
+			endforeach()
+		endif()
+	else()
+		file(COPY
+			${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/${TF_LIB_NAME_FULL}
+			DESTINATION ${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib
+		)
+
+		# Note: these use relative links
+		file(CREATE_LINK ${TF_LIB_NAME_FULL}
+			${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib/${TF_LIB_NAME_SHORT}
+			SYMBOLIC
+		)
+		file(CREATE_LINK ${TF_LIB_NAME_FULL}
+			${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib/${TF_LIB_NAME}
+			SYMBOLIC
+		)
+		if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+			file(COPY
+				${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-${BUILD_TYPE}/bazel-bin/tensorflow/${TF_FRAMEWORK_NAME_FULL}
+				DESTINATION ${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib
+			)
+			file(CREATE_LINK
+				${TF_FRAMEWORK_NAME_FULL}
+				${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib/${TF_FRAMEWORK_NAME_SHORT}
+				SYMBOLIC
+			)
+			file(CREATE_LINK
+				${TF_FRAMEWORK_NAME_FULL}
+				${CURRENT_PACKAGES_DIR}${DIR_PREFIX}/lib/${TF_FRAMEWORK_NAME}
+				SYMBOLIC
+			)
+		endif()
+	endif()
+endforeach()
+
+file(COPY
+	${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/bazel-bin/tensorflow/include/
+	DESTINATION ${CURRENT_PACKAGES_DIR}/include/tensorflow-external
+)
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
+	message(STATUS "Warning: Static TensorFlow build contains several external dependencies that may cause linking conflicts (for example, one cannot use both openssl and TensorFlow in the same project, since TensorFlow contains boringssl).")
+	if(VCPKG_TARGET_IS_WINDOWS)
+		message(STATUS "Note: For some TensorFlow features (e.g. OpRegistry), it might be necessary to tell the linker to include the whole library, i.e., link using options '/WHOLEARCHIVE:tensorflow_cc-part1.lib /WHOLEARCHIVE:tensorflow_cc-part2.lib ...'")
+	else()
+		message(STATUS "Note: There is no separate libtensorflow_framework.a as it got merged into libtensorflow_cc.a to avoid linking conflicts.")
+		if(VCPKG_TARGET_IS_OSX)
+			message(STATUS "Note: Beside TensorFlow itself, you'll need to also pass its dependancies to the linker, for example '-ltensorflow_cc -framework CoreFoundation'")
+			message(STATUS "Note: For some TensorFlow features (e.g. OpRegistry), it might be necessary to tell the linker to include the whole library: '-Wl,-force_load,path/to/libtensorflow_cc.a -framework CoreFoundation -framework Security [rest of linker arguments]'")
+		else()
+			message(STATUS "Note: Beside TensorFlow itself, you'll need to also pass its dependancies to the linker, for example '-ltensorflow_cc -lm -ldl -lpthread'")
+			message(STATUS "Note: For some TensorFlow features (e.g. OpRegistry), it might be necessary to tell the linker to include the whole library: '-Wl,--whole-archive -ltensorflow_cc -Wl,--no-whole-archive [rest of linker arguments]'")
+		endif()
+	endif()
+
+	configure_file(
+		${CMAKE_CURRENT_LIST_DIR}/README-${PLATFORM_SUFFIX}
+		${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/README
+		COPYONLY)
 endif()
 
 file(COPY ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/tensorflow-cc)
 file(RENAME ${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/LICENSE ${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/copyright)
 
-file(COPY ${CMAKE_CURRENT_LIST_DIR}/TensorflowCCConfig.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/unofficial-tensorflow-cc)
-file(RENAME ${CURRENT_PACKAGES_DIR}/share/unofficial-tensorflow-cc/TensorflowCCConfig.cmake ${CURRENT_PACKAGES_DIR}/share/unofficial-tensorflow-cc/unofficial-tensorflow-cc-config.cmake)
+
+# NOTE: if this port ever supports VCPKG_BUILD_TYPE, use that to set these.
+set(TENSORFLOW_HAS_RELEASE ON)
+set(TENSORFLOW_HAS_DEBUG ON)
+
+if(VCPKG_TARGET_IS_WINDOWS)
+	if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+		configure_file(
+			${CMAKE_CURRENT_LIST_DIR}/tensorflow-cc-config-windows-dll.cmake.in
+			${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/tensorflow-cc-config.cmake
+			@ONLY)
+	else()
+		configure_file(
+			${CMAKE_CURRENT_LIST_DIR}/tensorflow-cc-config-windows-lib.cmake.in
+			${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/tensorflow-cc-config.cmake
+			@ONLY)
+
+		set(VCPKG_POLICY_MISMATCHED_NUMBER_OF_BINARIES enabled)
+
+		set(prefix [[${TENSORFLOW_INSTALL_PREFIX}]])
+
+		set(libs_to_link)
+		foreach(lib IN LISTS TF_LIB_PARTS_RELEASE)
+			list(APPEND libs_to_link "$<$<CONFIG:Release>:${prefix}/lib/${lib}>")
+		endforeach()
+		foreach(lib IN LISTS TF_LIB_PARTS_DEBUG)
+			list(APPEND libs_to_link "$<$<CONFIG:Debug>:${prefix}/debug/lib/${lib}>")
+		endforeach()
+		if(TENSORFLOW_HAS_RELEASE)
+			set(TF_LIB_PARTS_DEFAULT ${TF_LIB_PARTS_RELEASE})
+			set(prefix_DEFAULT "${prefix}")
+		elseif(TENSORFLOW_HAS_DEBUG)
+			set(TF_LIB_PARTS_DEFAULT ${TF_LIB_PARTS_DEBUG})
+			set(prefix_DEFAULT "${prefix}/debug")
+		endif()
+
+		foreach(lib IN LISTS TF_LIB_PARTS_DEFAULT)
+			list(APPEND libs_to_link
+				"$<$<NOT:$<OR:$<CONFIG:Release>,$<CONFIG:Debug>>>:${prefix}/lib/${lib}>")
+		endforeach()
+
+		string(REPLACE ";" "\n\t\t" libs_to_link "${libs_to_link}")
+		file(APPEND ${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/tensorflow-cc-config.cmake "
+target_link_libraries(tensorflow_cc::tensorflow_cc
+	INTERFACE
+		${libs_to_link}
+)"
+		)
+	endif()
+else()
+	if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+		configure_file(
+			${CMAKE_CURRENT_LIST_DIR}/tensorflow-cc-config-shared.cmake.in
+			${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/tensorflow-cc-config.cmake
+			@ONLY)
+	else()
+		configure_file(
+			${CMAKE_CURRENT_LIST_DIR}/tensorflow-cc-config-static.cmake.in
+			${CURRENT_PACKAGES_DIR}/share/tensorflow-cc/tensorflow-cc-config.cmake
+			@ONLY)
+	endif()
+endif()
+
+message(STATUS "You may want to delete ${CURRENT_BUILDTREES_DIR} and ${BUILDTREES_DIR}/.bzl to free diskspace.")
diff --git a/ports/tensorflow-cc/tensorflow-cc-config-shared.cmake.in b/ports/tensorflow-cc/tensorflow-cc-config-shared.cmake.in
new file mode 100644
index 000000000..98149e000
--- /dev/null
+++ b/ports/tensorflow-cc/tensorflow-cc-config-shared.cmake.in
@@ -0,0 +1,88 @@
+if(TARGET tensorflow_cc::tensorflow_cc OR TARGET tensorflow_cc::tensorflow_framework)
+	if(NOT (TARGET tensorflow_cc::tensorflow_cc AND TARGET tensorflow_cc::tensorflow_framework))
+		message(FATAL_ERROR "Some (but not all) targets in this config.cmake were already defined.")
+	endif()
+
+	return()
+endif()
+
+add_library(tensorflow_cc::tensorflow_cc SHARED IMPORTED GLOBAL)
+add_library(tensorflow_cc::tensorflow_framework SHARED IMPORTED GLOBAL)
+
+# Compute the installation prefix from this tensorflow-cc-config.cmake file location.
+# CMAKE_CURRENT_LIST_DIR = [vcpkg_installed_dir]/[target_triplet]/share/tensorflow-cc
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]/share
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${TENSORFLOW_INSTALL_PREFIX}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]
+
+target_include_directories(tensorflow_cc::tensorflow_cc
+	INTERFACE
+		"${TENSORFLOW_INSTALL_PREFIX}/include"
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external"
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external/src"
+)
+target_include_directories(tensorflow_cc::tensorflow_framework
+	INTERFACE
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external"
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external/src"
+)
+
+if(@TENSORFLOW_HAS_RELEASE@)
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		PROPERTY IMPORTED_LOCATION
+			"${TENSORFLOW_INSTALL_PREFIX}/lib/@TF_LIB_NAME@"
+	)
+	set_property(TARGET tensorflow_cc::tensorflow_framework
+		PROPERTY IMPORTED_LOCATION
+			"${TENSORFLOW_INSTALL_PREFIX}/lib/@TF_FRAMEWORK_NAME@"
+	)
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE
+	)
+	set_property(TARGET tensorflow_cc::tensorflow_framework
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE
+	)
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		PROPERTY IMPORTED_LOCATION_RELEASE
+			"${TENSORFLOW_INSTALL_PREFIX}/lib/@TF_LIB_NAME@"
+	)
+	set_property(TARGET tensorflow_cc::tensorflow_framework
+		PROPERTY IMPORTED_LOCATION_RELEASE
+			"${TENSORFLOW_INSTALL_PREFIX}/lib/@TF_FRAMEWORK_NAME@"
+	)
+endif()
+
+if(@TENSORFLOW_HAS_DEBUG)
+	if(NOT @TENSORFLOW_HAS_RELEASE)
+		set_property(TARGET tensorflow_cc::tensorflow_cc
+			PROPERTY IMPORTED_LOCATION
+				"${TENSORFLOW_INSTALL_PREFIX}/debug/lib/@TF_LIB_NAME@"
+		)
+		set_property(TARGET tensorflow_cc::tensorflow_framework
+			PROPERTY IMPORTED_LOCATION
+				"${TENSORFLOW_INSTALL_PREFIX}/debug/lib/@TF_FRAMEWORK_NAME@"
+		)
+	endif()
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG
+	)
+	set_property(TARGET tensorflow_cc::tensorflow_framework
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG
+	)
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		PROPERTY IMPORTED_LOCATION_DEBUG
+			"${TENSORFLOW_INSTALL_PREFIX}/debug/lib/@TF_LIB_NAME@"
+	)
+	set_property(TARGET tensorflow_cc::tensorflow_framework
+		PROPERTY IMPORTED_LOCATION_DEBUG
+			"${TENSORFLOW_INSTALL_PREFIX}/debug/lib/@TF_FRAMEWORK_NAME@"
+	)
+endif()
+
+set(tensorflow_cc_FOUND TRUE)
+set(tensorflow_framework_FOUND TRUE)
diff --git a/ports/tensorflow-cc/tensorflow-cc-config-static.cmake.in b/ports/tensorflow-cc/tensorflow-cc-config-static.cmake.in
new file mode 100644
index 000000000..7f0171470
--- /dev/null
+++ b/ports/tensorflow-cc/tensorflow-cc-config-static.cmake.in
@@ -0,0 +1,56 @@
+if(TARGET tensorflow_cc::tensorflow_cc)
+	return()
+endif()
+
+add_library(tensorflow_cc::tensorflow_cc STATIC IMPORTED GLOBAL)
+
+# Compute the installation prefix from this tensorflow-cc-config.cmake file location.
+# CMAKE_CURRENT_LIST_DIR = [vcpkg_installed_dir]/[target_triplet]/share/tensorflow-cc
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]/share
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${TENSORFLOW_INSTALL_PREFIX}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]
+
+target_include_directories(tensorflow_cc::tensorflow_cc
+	INTERFACE
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external"
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external/src"
+)
+
+if(@TENSORFLOW_HAS_RELEASE@)
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		PROPERTY IMPORTED_LOCATION
+			"${TENSORFLOW_INSTALL_PREFIX}/lib/@TF_LIB_NAME@"
+	)
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS
+			RELEASE
+	)
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		PROPERTY IMPORTED_LOCATION_RELEASE
+			"${TENSORFLOW_INSTALL_PREFIX}/lib/@TF_LIB_NAME@"
+	)
+endif()
+
+if(@TENSORFLOW_HAS_DEBUG@)
+	if(NOT @TENSORFLOW_HAS_RELEASE@)
+		set_property(TARGET tensorflow_cc::tensorflow_cc
+			PROPERTY IMPORTED_LOCATION
+				"${TENSORFLOW_INSTALL_PREFIX}/debug/lib/@TF_LIB_NAME@"
+		)
+	endif()
+	
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS
+			DEBUG
+	)
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		PROPERTY IMPORTED_LOCATION_DEBUG
+			"${TENSORFLOW_INSTALL_PREFIX}/debug/lib/@TF_LIB_NAME@"
+	)
+endif()
+
+set(tensorflow_cc_FOUND TRUE)
diff --git a/ports/tensorflow-cc/tensorflow-cc-config-windows-dll.cmake.in b/ports/tensorflow-cc/tensorflow-cc-config-windows-dll.cmake.in
new file mode 100644
index 000000000..ed67e5ad4
--- /dev/null
+++ b/ports/tensorflow-cc/tensorflow-cc-config-windows-dll.cmake.in
@@ -0,0 +1,56 @@
+if(TARGET tensorflow_cc::tensorflow_cc)
+	return()
+endif()
+
+add_library(tensorflow_cc::tensorflow_cc SHARED IMPORTED GLOBAL)
+
+# Compute the installation prefix from this tensorflow-cc-config.cmake file location.
+# CMAKE_CURRENT_LIST_DIR = [vcpkg_installed_dir]/[target_triplet]/share/tensorflow-cc
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]/share
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${TENSORFLOW_INSTALL_PREFIX}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]
+
+target_include_directories(tensorflow_cc::tensorflow_cc
+	INTERFACE
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external"
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external/src"
+)
+
+if(@TENSORFLOW_HAS_RELEASE@)
+	set_target_properties(tensorflow_cc::tensorflow_cc
+		PROPERTIES
+			IMPORTED_LOCATION "${TENSORFLOW_INSTALL_PREFIX}/bin/tensorflow_cc.dll"
+			IMPORTED_IMPLIB "${TENSORFLOW_INSTALL_PREFIX}/lib/tensorflow_cc.lib"
+	)
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE
+	)
+	set_target_properties(tensorflow_cc::tensorflow_cc
+		PROPERTIES
+			IMPORTED_LOCATION_RELEASE "${TENSORFLOW_INSTALL_PREFIX}/bin/tensorflow_cc.dll"
+			IMPORTED_IMPLIB_RELEASE "${TENSORFLOW_INSTALL_PREFIX}/lib/tensorflow_cc.lib"
+	)
+endif()
+
+if(@TENSORFLOW_HAS_DEBUG@)
+	if(NOT @TENSORFLOW_HAS_RELEASE@)
+		set_target_properties(tensorflow_cc::tensorflow_cc
+			PROPERTIES
+				IMPORTED_LOCATION "${TENSORFLOW_INSTALL_PREFIX}/debug/bin/tensorflow_cc.dll"
+				IMPORTED_IMPLIB "${TENSORFLOW_INSTALL_PREFIX}/debug/lib/tensorflow_cc.lib"
+		)
+	endif()
+
+	set_property(TARGET tensorflow_cc::tensorflow_cc
+		APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG
+	)
+	set_target_properties(tensorflow_cc::tensorflow_cc
+		PROPERTIES
+			IMPORTED_LOCATION_DEBUG "${TENSORFLOW_INSTALL_PREFIX}/debug/bin/tensorflow_cc.dll"
+			IMPORTED_IMPLIB_DEBUG "${TENSORFLOW_INSTALL_PREFIX}/debug/lib/tensorflow_cc.lib"	
+	)
+endif()
+
+set(tensorflow_cc_FOUND TRUE)
diff --git a/ports/tensorflow-cc/tensorflow-cc-config-windows-lib.cmake.in b/ports/tensorflow-cc/tensorflow-cc-config-windows-lib.cmake.in
new file mode 100644
index 000000000..0eab84c7f
--- /dev/null
+++ b/ports/tensorflow-cc/tensorflow-cc-config-windows-lib.cmake.in
@@ -0,0 +1,19 @@
+if(TARGET tensorflow_cc::tensorflow_cc)
+	return()
+endif()
+
+set(tensorflow_cc_FOUND TRUE)
+
+# Compute the installation prefix from this tensorflow-cc-config.cmake file location.
+# CMAKE_CURRENT_LIST_DIR = [vcpkg_installed_dir]/[target_triplet]/share/tensorflow-cc
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]/share
+get_filename_component(TENSORFLOW_INSTALL_PREFIX "${TENSORFLOW_INSTALL_PREFIX}" DIRECTORY)
+# TENSORFLOW_INSTALL_PREFIX = [vcpkg_installed_dir]/[target_triplet]
+
+add_library(tensorflow_cc::tensorflow_cc INTERFACE IMPORTED GLOBAL)
+target_include_directories(tensorflow_cc::tensorflow_cc
+	INTERFACE
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external"
+		"${TENSORFLOW_INSTALL_PREFIX}/include/tensorflow-external/src"
+)