Revert "Revert "Add wasm-micro-runtime submodule and get building wit…

…h CMake." (iree-org#5312)"

This reverts commit fd64070.

.gitmodules

@@ -53,3 +53,6 @@
 [submodule "third_party/musl"]
 	path = third_party/musl
 	url = https://github.com/powderluv/musl.git
+[submodule "third_party/wasm-micro-runtime"]
+	path = third_party/wasm-micro-runtime
+	url = https://github.com/bytecodealliance/wasm-micro-runtime.git

CMakeLists.txt

@@ -408,6 +408,7 @@ add_subdirectory(build_tools/third_party/cuda EXCLUDE_FROM_ALL)
 add_subdirectory(build_tools/third_party/libyaml EXCLUDE_FROM_ALL)
 add_subdirectory(build_tools/third_party/stblib EXCLUDE_FROM_ALL)
 add_subdirectory(build_tools/third_party/vulkan_memory_allocator EXCLUDE_FROM_ALL)
+add_subdirectory(build_tools/third_party/wasm-micro-runtime EXCLUDE_FROM_ALL)
 
 iree_set_googletest_cmake_options()
 add_subdirectory(third_party/googletest EXCLUDE_FROM_ALL)

SUBMODULE_VERSIONS.txt

@@ -15,4 +15,5 @@ f435ae9dee673e83504618b77e1be8cddda73e74 third_party/tensorflow
 058e89011fceca912d43638ebb6b85992147fcfe third_party/tracy
 9e62d027636cd7210f60d934f56107ed6e1579b8 third_party/vulkan_headers
 5c8b3ba955f0dbb30d18afc420f3a38adc779231 third_party/vulkan_memory_allocator
+54e82ec439552018d0f26c60b0fd6cc9e36b42a8 third_party/wasm-micro-runtime
 c8e0b39f6f6f1edded5c4adf7d46aa4d2a95befe third_party/webgpu-headers

build_tools/third_party/wasm-micro-runtime/CMakeLists.txt

@@ -0,0 +1,59 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This file modeled after the instructions at
+# https://github.com/bytecodealliance/wasm-micro-runtime/blob/main/doc/build_wamr.md
+
+set(WAMR_SOURCE_DIR "${IREE_SOURCE_DIR}/third_party/wasm-micro-runtime")
+
+# Runtime build target -> platform in wasm-micro-runtime/core/shared/platform/
+if(ANDROID)
+  set(WAMR_BUILD_PLATFORM "android")
+elseif(APPLE)
+  set(WAMR_BUILD_PLATFORM "darwin")
+elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+  set(WAMR_BUILD_PLATFORM "linux")
+elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+  set(WAMR_BUILD_PLATFORM "windows")
+  # Enable MASM (Microsoft Macro Assembler) for compiling .asm files.
+  enable_language(ASM_MASM)
+endif()
+
+# Pick the features we want. Most default to disabled.
+set(WAMR_BUILD_INTERP 1)
+
+include(${WAMR_SOURCE_DIR}/build-scripts/runtime_lib.cmake)
+
+# WAMR unconditionally adds a global compiler flag for 64 bit targets, which
+# is not handled or needed by MSVC.
+# TODO(scotttodd): Omit the flag upstream rather than work around it here.
+if(MSVC)
+  string(REGEX REPLACE " -fPIC" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
+endif()
+
+set(_WAMR_LIBRARY_NAME "wasm_micro_runtime_vmlib")
+add_library(${_WAMR_LIBRARY_NAME} STATIC "")
+target_sources(${_WAMR_LIBRARY_NAME}
+  PRIVATE
+    ${WAMR_RUNTIME_LIB_SOURCE})
+target_include_directories(${_WAMR_LIBRARY_NAME} SYSTEM
+  PUBLIC
+    "$<BUILD_INTERFACE:${WAMR_SOURCE_DIR}/core/iwasm/include/>")
+
+# Suppress all warnings for this third party code.
+if(MSVC)
+  target_compile_options(${_WAMR_LIBRARY_NAME} PRIVATE "/W0")
+else()
+  target_compile_options(${_WAMR_LIBRARY_NAME} PRIVATE "-w")
+endif()