Dirsync yoga cmake directory

Summary:
For usage in shelling into the reference build. I separately looked at moving `cmake` to be inline inside of `yoga`, but this ends up having a worse structure than being at the top level.

Changelog: [Internal]

Differential Revision: https://internalfb.com/D45764337

fbshipit-source-id: 8711a470676e52f4b9bfb0057daab2e21f3c9883

packages/react-native/ReactCommon/yoga/cmake/project-defaults.cmake

@@ -0,0 +1,50 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+add_compile_definitions($<$<CONFIG:DEBUG>:DEBUG>)
+
+if(MSVC)
+
+add_compile_options(
+    # Don't omit frame pointers (e.g. for crash dumps)
+    /Oy-
+    # "Standard C++ exception handling" (C++ stack unwinding including extern c)
+    /EHsc
+    # Enable warnings and warnings as errors
+    /W3
+    /WX
+    # Disable RTTI
+    $<$<COMPILE_LANGUAGE:CXX>:/GR->
+    # Use /O2 (Maximize Speed)
+    $<$<CONFIG:RELEASE>:/O2>)
+
+else()
+
+add_compile_options(
+    # Don't omit frame pointers (e.g. for crash dumps)
+    -fno-omit-frame-pointer
+    # Enable exception handling
+    -fexceptions
+    # Enable warnings and warnings as errors
+    -Wall
+    -Werror
+    # Disable RTTI
+    $<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>
+    # Use -O2 (prioritize speed)
+    $<$<CONFIG:RELEASE>:-O2>
+    # Enable separate sections per function/data item
+    $<$<CONFIG:RELEASE>:-ffunction-sections>
+    $<$<CONFIG:RELEASE>:-fdata-sections>)
+
+add_link_options(
+    # Discard unused sections
+    $<$<CONFIG:RELEASE>:$<$<CXX_COMPILER_ID:Clang,GNU>:-Wl,--gc-sections>>
+    $<$<CONFIG:RELEASE>:$<$<CXX_COMPILER_ID:AppleClang>:-Wl,-dead_strip>>)
+
+endif()

packages/react-native/ReactCommon/yoga/cmake/yoga-config.cmake.in

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+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/yogaTargets.cmake")
+
+check_required_components(yoga)