[flatbuffers] upgrade the flatbuffers to v2.0.0

ports/flatbuffers/CONTROL

@@ -1,6 +1,5 @@
 Source: flatbuffers
-Version: 1.12.0
-Port-Version: 2
+Version: 2.0.0
 Description: Memory Efficient Serialization Library
  FlatBuffers is an efficient cross platform serialization library for games and other memory constrained apps. It allows you to directly access serialized data without unpacking/parsing it first, while still having great forwards/backwards compatibility.
 Homepage:  https://google.github.io/flatbuffers/

ports/flatbuffers/fix-uwp-build.patch

@@ -1,8 +1,8 @@
 diff --git a/src/util.cpp b/src/util.cpp
-index c1bb197..658e116 100644
+index 3670a019..fb5d884f 100644
 --- a/src/util.cpp
 +++ b/src/util.cpp
-@@ -245,9 +245,15 @@ bool ReadEnvironmentVariable(const char *var_name, std::string *_value) {
+@@ -255,9 +255,15 @@ bool ReadEnvironmentVariable(const char *var_name, std::string *_value) {
  #ifdef _MSC_VER
    __pragma(warning(disable : 4996));  // _CRT_SECURE_NO_WARNINGS
  #endif

ports/flatbuffers/ignore_use_of_cmake_toolchain_file.patch

@@ -1,8 +1,8 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 119855a..945085a 100644
+index ec782239..f163b64d 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -155,7 +155,7 @@ set(FlatBuffers_GRPCTest_SRCS
+@@ -216,7 +216,7 @@ set(FlatBuffers_GRPCTest_SRCS
  # source_group(Compiler FILES ${FlatBuffers_Compiler_SRCS})
  # source_group(Tests FILES ${FlatBuffers_Tests_SRCS})
 

ports/flatbuffers/no-werror.patch

@@ -1,13 +1,13 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 119855a..6269362 100644
+index ec782239..57566c5a 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -172,13 +172,17 @@ elseif(CMAKE_COMPILER_IS_GNUCXX)
+@@ -233,13 +233,17 @@ elseif(CMAKE_COMPILER_IS_GNUCXX)
        "${CMAKE_CXX_FLAGS} -std=c++0x")
    endif(CYGWIN)
    set(CMAKE_CXX_FLAGS
 -    "${CMAKE_CXX_FLAGS} -Wall -pedantic -Werror -Wextra -Werror=shadow")
-+	"${CMAKE_CXX_FLAGS} -Wall -pedantic -Wextra -Werror=shadow")
++    "${CMAKE_CXX_FLAGS} -Wall -pedantic -Wextra -Werror=shadow")
    set(FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wold-style-cast")
    if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.4)
      if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)

ports/flatbuffers/portfile.cmake

@@ -3,15 +3,13 @@ vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO google/flatbuffers
-    REF v1.12.0
-    SHA512 8a0b88d739fa4694a69d3630140fe89fdd70d50bba4dadd1758d9aa2920cda16700bcafb8d89fe2a09ac907d3f378240c3cb4abc7106318136799836aba4b063
+    REF v2.0.0
+    SHA512 26a06b572c0e4c9685743bd2d2162ac7dcd74b9324624cc3f3ef5b154c0cee7c52a04b77cdc184245d2d6ae38dfdcc4fd66001c318aa8ca001d2bf1d85d66a89
     HEAD_REF master
     PATCHES
         ignore_use_of_cmake_toolchain_file.patch
         no-werror.patch
         fix-uwp-build.patch
-        fix-issue-6036.patch # this patch is already applied to the latest master branch. 
-                             # remove it in next version update
 )
 
 set(OPTIONS)

ports/mnn/portfile.cmake

@@ -39,6 +39,27 @@ if("cuda" IN_LIST FEATURES)
     unset(NINJA_OPTION)
 endif()
 
+set(FLATC_EXEC ${CURRENT_HOST_INSTALLED_DIR}/tools/flatbuffers/flatc${VCPKG_HOST_EXECUTABLE_SUFFIX})
+if (NOT EXISTS "${FLATC_EXEC}")
+    message(FATAL_ERROR "Expected ${FLATC_EXEC} to exist.")
+endif()
+
+# regenerate some code files by schemes and flatbuffers
+vcpkg_execute_build_process(
+    COMMAND ${FLATC_EXEC} "-c" "-b" "--gen-object-api" "--reflect-names"
+        "../default/BasicOptimizer.fbs"
+        "../default/CaffeOp.fbs"
+        "../default/GpuLibrary.fbs"
+        "../default/MNN.fbs"
+        "../default/Tensor.fbs"
+        "../default/TensorflowOp.fbs"
+        "../default/TFQuantizeOp.fbs"
+        "../default/Type.fbs"
+        "../default/UserDefine.fbs"
+    WORKING_DIRECTORY ${SOURCE_PATH}/schema/current/
+    LOGNAME flatc-${TARGET_TRIPLET}
+  )
+
 if(VCPKG_TARGET_IS_WINDOWS)
     string(COMPARE EQUAL "${VCPKG_CRT_LINKAGE}" "static" USE_RUNTIME_MT)
     list(APPEND PLATFORM_OPTIONS -DMNN_WIN_RUNTIME_MT=${USE_RUNTIME_MT})
@@ -65,6 +86,7 @@ vcpkg_download_distfile(COPYRIGHT_PATH
     FILENAME 98f6b79b778f7b0a1541.txt
     SHA512 98f6b79b778f7b0a15415bd750c3a8a097d650511cb4ec8115188e115c47053fe700f578895c097051c9bc3dfb6197c2b13a15de203273e1a3218884f86e90e8
 )
+
 file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share/${PORT})
 file(RENAME ${COPYRIGHT_PATH} ${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright)
 

ports/mnn/vcpkg.json

@@ -1,12 +1,16 @@
 {
   "name": "mnn",
-  "version-string": "1.1.0",
+  "version": "1.1.0",
+  "port-version": 1,
   "description": "MNN is a blazing fast, lightweight deep learning framework, battle-tested by business-critical use cases in Alibaba",
   "homepage": "https://www.mnn.zone/",
   "license": "Apache-2.0",
   "supports": "!(arm | uwp | ios | android)",
   "dependencies": [
-    "flatbuffers",
+    {
+      "name": "flatbuffers",
+      "host": true
+    },
     "rapidjson",
     "stb"
   ],

versions/baseline.json

@@ -2025,8 +2025,8 @@
       "port-version": 2
     },
     "flatbuffers": {
-      "baseline": "1.12.0",
-      "port-version": 2
+      "baseline": "2.0.0",
+      "port-version": 0
     },
     "flint": {
       "baseline": "2.5.2-4",
@@ -4086,7 +4086,7 @@
     },
     "mnn": {
       "baseline": "1.1.0",
-      "port-version": 0
+      "port-version": 1
     },
     "modp-base64": {
       "baseline": "2020-09-26",

versions/f-/flatbuffers.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "15a2fc0a15331e81cd04a3aae0a8b1d70c002ee5",
+      "version-string": "2.0.0",
+      "port-version": 0
+    },
     {
       "git-tree": "195ffbf0b3c6abace9106115fd4ed081431a3997",
       "version-string": "1.12.0",

versions/m-/mnn.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "97b7a72e27319f0fdbd5a3878b555d6d300b9822",
+      "version": "1.1.0",
+      "port-version": 1
+    },
     {
       "git-tree": "491764622aa21728db88d7dd574f430cae600af5",
       "version-string": "1.1.0",